{-# Language ImplicitParams #-}
{-# Language DataKinds #-}
{-# Language GADTs #-}
{-# Language StrictData #-}
{-# Language TemplateHaskell #-}
module EVM where
import Prelude hiding (log, exponent, GT, LT)
import EVM.ABI
import EVM.Concrete (createAddress, create2Address)
import EVM.Expr (readStorage, writeStorage, readByte, readWord, writeWord,
writeByte, bufLength, indexWord, litAddr, readBytes, word256At, copySlice)
import EVM.Expr qualified as Expr
import EVM.FeeSchedule (FeeSchedule (..))
import EVM.Op
import EVM.Precompiled qualified
import EVM.Solidity
import EVM.Types hiding (IllegalOverflow, Error)
import Control.Lens hiding (op, (:<), (|>), (.>))
import Control.Monad.State.Strict hiding (state)
import Data.Bits (FiniteBits, countLeadingZeros, finiteBitSize)
import Data.ByteArray qualified as BA
import Data.ByteString (ByteString)
import Data.ByteString qualified as BS
import Data.ByteString.Lazy (fromStrict)
import Data.ByteString.Lazy qualified as LS
import Data.ByteString.Char8 qualified as Char8
import Data.Foldable (toList)
import Data.List (find)
import Data.Map.Strict (Map)
import Data.Map.Strict qualified as Map
import Data.Maybe (fromMaybe, fromJust)
import Data.Set (Set, insert, member, fromList)
import Data.Sequence (Seq)
import Data.Sequence qualified as Seq
import Data.Text (unpack)
import Data.Text.Encoding (decodeUtf8, encodeUtf8)
import Data.Tree
import Data.Tree.Zipper qualified as Zipper
import Data.Tuple.Curry
import Data.Vector qualified as RegularVector
import Data.Vector qualified as V
import Data.Vector.Storable (Vector)
import Data.Vector.Storable qualified as Vector
import Data.Vector.Storable.Mutable qualified as Vector
import Data.Word (Word8, Word32, Word64)
import Options.Generic as Options
import Crypto.Hash (Digest, SHA256, RIPEMD160, digestFromByteString)
import Crypto.Hash qualified as Crypto
import Crypto.Number.ModArithmetic (expFast)
import Crypto.PubKey.ECC.ECDSA (signDigestWith, PrivateKey(..), Signature(..))
import Crypto.PubKey.ECC.Generate (generateQ)
import Crypto.PubKey.ECC.Types (getCurveByName, CurveName(..), Point(..))
data Error
= BalanceTooLow W256 W256
| UnrecognizedOpcode Word8
| SelfDestruction
| StackUnderrun
| BadJumpDestination
| Revert (Expr Buf)
| OutOfGas Word64 Word64
| BadCheatCode (Maybe Word32)
| StackLimitExceeded
| IllegalOverflow
| Query Query
| Choose Choose
| StateChangeWhileStatic
| InvalidMemoryAccess
| CallDepthLimitReached
| MaxCodeSizeExceeded W256 W256
| InvalidFormat
| PrecompileFailure
| forall a . UnexpectedSymbolicArg Int String [Expr a]
| DeadPath
| NotUnique (Expr EWord)
| SMTTimeout
| FFI [AbiValue]
| NonceOverflow
deriving instance Show Error
data VMResult
= VMFailure Error
| VMSuccess (Expr Buf)
deriving instance Show VMResult
data VM = VM
{ VM -> Maybe VMResult
_result :: Maybe VMResult
, VM -> FrameState
_state :: FrameState
, VM -> [Frame]
_frames :: [Frame]
, VM -> Env
_env :: Env
, VM -> Block
_block :: Block
, VM -> TxState
_tx :: TxState
, VM -> [Expr 'Log]
_logs :: [Expr Log]
, VM -> TreePos Empty Trace
_traces :: Zipper.TreePos Zipper.Empty Trace
, VM -> Cache
_cache :: Cache
, VM -> Word64
_burned :: Word64
, VM -> Map CodeLocation Int
_iterations :: Map CodeLocation Int
, VM -> [Prop]
_constraints :: [Prop]
, VM -> [Prop]
_keccakEqs :: [Prop]
, VM -> Bool
_allowFFI :: Bool
, VM -> Maybe (Expr 'EWord)
_overrideCaller :: Maybe (Expr EWord)
}
deriving (Int -> VM -> ShowS
[VM] -> ShowS
VM -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [VM] -> ShowS
$cshowList :: [VM] -> ShowS
show :: VM -> String
$cshow :: VM -> String
showsPrec :: Int -> VM -> ShowS
$cshowsPrec :: Int -> VM -> ShowS
Show)
data Trace = Trace
{ Trace -> Int
_traceOpIx :: Int
, Trace -> Contract
_traceContract :: Contract
, Trace -> TraceData
_traceData :: TraceData
}
deriving (Int -> Trace -> ShowS
[Trace] -> ShowS
Trace -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Trace] -> ShowS
$cshowList :: [Trace] -> ShowS
show :: Trace -> String
$cshow :: Trace -> String
showsPrec :: Int -> Trace -> ShowS
$cshowsPrec :: Int -> Trace -> ShowS
Show)
data TraceData
= EventTrace (Expr EWord) (Expr Buf) [Expr EWord]
| FrameTrace FrameContext
| QueryTrace Query
| ErrorTrace Error
| EntryTrace Text
| ReturnTrace (Expr Buf) FrameContext
deriving (Int -> TraceData -> ShowS
[TraceData] -> ShowS
TraceData -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [TraceData] -> ShowS
$cshowList :: [TraceData] -> ShowS
show :: TraceData -> String
$cshow :: TraceData -> String
showsPrec :: Int -> TraceData -> ShowS
$cshowsPrec :: Int -> TraceData -> ShowS
Show)
data Query where
PleaseFetchContract :: Addr -> (Contract -> EVM ()) -> Query
PleaseFetchSlot :: Addr -> W256 -> (W256 -> EVM ()) -> Query
PleaseAskSMT :: Expr EWord -> [Prop] -> (BranchCondition -> EVM ()) -> Query
PleaseDoFFI :: [String] -> (ByteString -> EVM ()) -> Query
data Choose where
PleaseChoosePath :: Expr EWord -> (Bool -> EVM ()) -> Choose
instance Show Query where
showsPrec :: Int -> Query -> ShowS
showsPrec Int
_ = \case
PleaseFetchContract Addr
addr Contract -> EVM ()
_ ->
((String
"<EVM.Query: fetch contract " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show Addr
addr forall a. [a] -> [a] -> [a]
++ String
">") ++)
PleaseFetchSlot Addr
addr W256
slot W256 -> EVM ()
_ ->
((String
"<EVM.Query: fetch slot "
forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show W256
slot forall a. [a] -> [a] -> [a]
++ String
" for "
forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show Addr
addr forall a. [a] -> [a] -> [a]
++ String
">") ++)
PleaseAskSMT Expr 'EWord
condition [Prop]
constraints BranchCondition -> EVM ()
_ ->
((String
"<EVM.Query: ask SMT about "
forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show Expr 'EWord
condition forall a. [a] -> [a] -> [a]
++ String
" in context "
forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show [Prop]
constraints forall a. [a] -> [a] -> [a]
++ String
">") ++)
PleaseDoFFI [String]
cmd ByteString -> EVM ()
_ ->
((String
"<EVM.Query: do ffi: " forall a. [a] -> [a] -> [a]
++ (forall a. Show a => a -> String
show [String]
cmd)) ++)
instance Show Choose where
showsPrec :: Int -> Choose -> ShowS
showsPrec Int
_ = \case
PleaseChoosePath Expr 'EWord
_ Bool -> EVM ()
_ ->
((String
"<EVM.Choice: waiting for user to select path (0,1)") ++)
type EVM a = State VM a
type CodeLocation = (Addr, Int)
data BranchCondition = Case Bool | Unknown | Inconsistent
deriving Int -> BranchCondition -> ShowS
[BranchCondition] -> ShowS
BranchCondition -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [BranchCondition] -> ShowS
$cshowList :: [BranchCondition] -> ShowS
show :: BranchCondition -> String
$cshow :: BranchCondition -> String
showsPrec :: Int -> BranchCondition -> ShowS
$cshowsPrec :: Int -> BranchCondition -> ShowS
Show
data IsUnique a = Unique a | Multiple | InconsistentU | TimeoutU
deriving Int -> IsUnique a -> ShowS
forall a. Show a => Int -> IsUnique a -> ShowS
forall a. Show a => [IsUnique a] -> ShowS
forall a. Show a => IsUnique a -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [IsUnique a] -> ShowS
$cshowList :: forall a. Show a => [IsUnique a] -> ShowS
show :: IsUnique a -> String
$cshow :: forall a. Show a => IsUnique a -> String
showsPrec :: Int -> IsUnique a -> ShowS
$cshowsPrec :: forall a. Show a => Int -> IsUnique a -> ShowS
Show
data Cache = Cache
{ Cache -> Map Addr Contract
_fetchedContracts :: Map Addr Contract,
Cache -> Map W256 (Map W256 W256)
_fetchedStorage :: Map W256 (Map W256 W256),
Cache -> Map (CodeLocation, Int) Bool
_path :: Map (CodeLocation, Int) Bool
} deriving Int -> Cache -> ShowS
[Cache] -> ShowS
Cache -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Cache] -> ShowS
$cshowList :: [Cache] -> ShowS
show :: Cache -> String
$cshow :: Cache -> String
showsPrec :: Int -> Cache -> ShowS
$cshowsPrec :: Int -> Cache -> ShowS
Show
data StorageBase = Concrete | Symbolic
deriving (Int -> StorageBase -> ShowS
[StorageBase] -> ShowS
StorageBase -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [StorageBase] -> ShowS
$cshowList :: [StorageBase] -> ShowS
show :: StorageBase -> String
$cshow :: StorageBase -> String
showsPrec :: Int -> StorageBase -> ShowS
$cshowsPrec :: Int -> StorageBase -> ShowS
Show, StorageBase -> StorageBase -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: StorageBase -> StorageBase -> Bool
$c/= :: StorageBase -> StorageBase -> Bool
== :: StorageBase -> StorageBase -> Bool
$c== :: StorageBase -> StorageBase -> Bool
Eq)
data VMOpts = VMOpts
{ VMOpts -> Contract
vmoptContract :: Contract
, VMOpts -> (Expr 'Buf, [Prop])
vmoptCalldata :: (Expr Buf, [Prop])
, VMOpts -> StorageBase
vmoptStorageBase :: StorageBase
, VMOpts -> Expr 'EWord
vmoptValue :: Expr EWord
, VMOpts -> W256
vmoptPriorityFee :: W256
, VMOpts -> Addr
vmoptAddress :: Addr
, VMOpts -> Expr 'EWord
vmoptCaller :: Expr EWord
, VMOpts -> Addr
vmoptOrigin :: Addr
, VMOpts -> Word64
vmoptGas :: Word64
, VMOpts -> Word64
vmoptGaslimit :: Word64
, VMOpts -> W256
vmoptNumber :: W256
, VMOpts -> Expr 'EWord
vmoptTimestamp :: Expr EWord
, VMOpts -> Addr
vmoptCoinbase :: Addr
, VMOpts -> W256
vmoptPrevRandao :: W256
, VMOpts -> W256
vmoptMaxCodeSize :: W256
, VMOpts -> Word64
vmoptBlockGaslimit :: Word64
, VMOpts -> W256
vmoptGasprice :: W256
, VMOpts -> W256
vmoptBaseFee :: W256
, VMOpts -> FeeSchedule Word64
vmoptSchedule :: FeeSchedule Word64
, VMOpts -> W256
vmoptChainId :: W256
, VMOpts -> Bool
vmoptCreate :: Bool
, VMOpts -> Map Addr [W256]
vmoptTxAccessList :: Map Addr [W256]
, VMOpts -> Bool
vmoptAllowFFI :: Bool
} deriving Int -> VMOpts -> ShowS
[VMOpts] -> ShowS
VMOpts -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [VMOpts] -> ShowS
$cshowList :: [VMOpts] -> ShowS
show :: VMOpts -> String
$cshow :: VMOpts -> String
showsPrec :: Int -> VMOpts -> ShowS
$cshowsPrec :: Int -> VMOpts -> ShowS
Show
data Frame = Frame
{ Frame -> FrameContext
_frameContext :: FrameContext
, Frame -> FrameState
_frameState :: FrameState
}
deriving (Int -> Frame -> ShowS
[Frame] -> ShowS
Frame -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Frame] -> ShowS
$cshowList :: [Frame] -> ShowS
show :: Frame -> String
$cshow :: Frame -> String
showsPrec :: Int -> Frame -> ShowS
$cshowsPrec :: Int -> Frame -> ShowS
Show)
data FrameContext
= CreationContext
{ FrameContext -> Addr
creationContextAddress :: Addr
, FrameContext -> Expr 'EWord
creationContextCodehash :: Expr EWord
, FrameContext -> Map Addr Contract
creationContextReversion :: Map Addr Contract
, FrameContext -> SubState
creationContextSubstate :: SubState
}
| CallContext
{ FrameContext -> Addr
callContextTarget :: Addr
, FrameContext -> Addr
callContextContext :: Addr
, FrameContext -> W256
callContextOffset :: W256
, FrameContext -> W256
callContextSize :: W256
, FrameContext -> Expr 'EWord
callContextCodehash :: Expr EWord
, FrameContext -> Maybe W256
callContextAbi :: Maybe W256
, FrameContext -> Expr 'Buf
callContextData :: Expr Buf
, FrameContext -> (Map Addr Contract, Expr 'Storage)
callContextReversion :: (Map Addr Contract, Expr Storage)
, FrameContext -> SubState
callContextSubState :: SubState
}
deriving (Int -> FrameContext -> ShowS
[FrameContext] -> ShowS
FrameContext -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FrameContext] -> ShowS
$cshowList :: [FrameContext] -> ShowS
show :: FrameContext -> String
$cshow :: FrameContext -> String
showsPrec :: Int -> FrameContext -> ShowS
$cshowsPrec :: Int -> FrameContext -> ShowS
Show)
data FrameState = FrameState
{ FrameState -> Addr
_contract :: Addr
, FrameState -> Addr
_codeContract :: Addr
, FrameState -> ContractCode
_code :: ContractCode
, FrameState -> Int
_pc :: Int
, FrameState -> [Expr 'EWord]
_stack :: [Expr EWord]
, FrameState -> Expr 'Buf
_memory :: Expr Buf
, FrameState -> Word64
_memorySize :: Word64
, FrameState -> Expr 'Buf
_calldata :: Expr Buf
, FrameState -> Expr 'EWord
_callvalue :: Expr EWord
, FrameState -> Expr 'EWord
_caller :: Expr EWord
, FrameState -> Word64
_gas :: Word64
, FrameState -> Expr 'Buf
_returndata :: Expr Buf
, FrameState -> Bool
_static :: Bool
}
deriving (Int -> FrameState -> ShowS
[FrameState] -> ShowS
FrameState -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FrameState] -> ShowS
$cshowList :: [FrameState] -> ShowS
show :: FrameState -> String
$cshow :: FrameState -> String
showsPrec :: Int -> FrameState -> ShowS
$cshowsPrec :: Int -> FrameState -> ShowS
Show)
data TxState = TxState
{ TxState -> W256
_gasprice :: W256
, TxState -> Word64
_txgaslimit :: Word64
, TxState -> W256
_txPriorityFee :: W256
, TxState -> Addr
_origin :: Addr
, TxState -> Addr
_toAddr :: Addr
, TxState -> Expr 'EWord
_value :: Expr EWord
, TxState -> SubState
_substate :: SubState
, TxState -> Bool
_isCreate :: Bool
, TxState -> Map Addr Contract
_txReversion :: Map Addr Contract
}
deriving (Int -> TxState -> ShowS
[TxState] -> ShowS
TxState -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [TxState] -> ShowS
$cshowList :: [TxState] -> ShowS
show :: TxState -> String
$cshow :: TxState -> String
showsPrec :: Int -> TxState -> ShowS
$cshowsPrec :: Int -> TxState -> ShowS
Show)
data SubState = SubState
{ SubState -> [Addr]
_selfdestructs :: [Addr]
, SubState -> [Addr]
_touchedAccounts :: [Addr]
, SubState -> Set Addr
_accessedAddresses :: Set Addr
, SubState -> Set (Addr, W256)
_accessedStorageKeys :: Set (Addr, W256)
, SubState -> [(Addr, Word64)]
_refunds :: [(Addr, Word64)]
}
deriving (Int -> SubState -> ShowS
[SubState] -> ShowS
SubState -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [SubState] -> ShowS
$cshowList :: [SubState] -> ShowS
show :: SubState -> String
$cshow :: SubState -> String
showsPrec :: Int -> SubState -> ShowS
$cshowsPrec :: Int -> SubState -> ShowS
Show)
data ContractCode
= InitCode ByteString (Expr Buf)
| RuntimeCode RuntimeCode
deriving (Int -> ContractCode -> ShowS
[ContractCode] -> ShowS
ContractCode -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ContractCode] -> ShowS
$cshowList :: [ContractCode] -> ShowS
show :: ContractCode -> String
$cshow :: ContractCode -> String
showsPrec :: Int -> ContractCode -> ShowS
$cshowsPrec :: Int -> ContractCode -> ShowS
Show)
data RuntimeCode
= ConcreteRuntimeCode ByteString
| SymbolicRuntimeCode (V.Vector (Expr Byte))
deriving (Int -> RuntimeCode -> ShowS
[RuntimeCode] -> ShowS
RuntimeCode -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [RuntimeCode] -> ShowS
$cshowList :: [RuntimeCode] -> ShowS
show :: RuntimeCode -> String
$cshow :: RuntimeCode -> String
showsPrec :: Int -> RuntimeCode -> ShowS
$cshowsPrec :: Int -> RuntimeCode -> ShowS
Show, RuntimeCode -> RuntimeCode -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: RuntimeCode -> RuntimeCode -> Bool
$c/= :: RuntimeCode -> RuntimeCode -> Bool
== :: RuntimeCode -> RuntimeCode -> Bool
$c== :: RuntimeCode -> RuntimeCode -> Bool
Eq, Eq RuntimeCode
RuntimeCode -> RuntimeCode -> Bool
RuntimeCode -> RuntimeCode -> Ordering
RuntimeCode -> RuntimeCode -> RuntimeCode
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: RuntimeCode -> RuntimeCode -> RuntimeCode
$cmin :: RuntimeCode -> RuntimeCode -> RuntimeCode
max :: RuntimeCode -> RuntimeCode -> RuntimeCode
$cmax :: RuntimeCode -> RuntimeCode -> RuntimeCode
>= :: RuntimeCode -> RuntimeCode -> Bool
$c>= :: RuntimeCode -> RuntimeCode -> Bool
> :: RuntimeCode -> RuntimeCode -> Bool
$c> :: RuntimeCode -> RuntimeCode -> Bool
<= :: RuntimeCode -> RuntimeCode -> Bool
$c<= :: RuntimeCode -> RuntimeCode -> Bool
< :: RuntimeCode -> RuntimeCode -> Bool
$c< :: RuntimeCode -> RuntimeCode -> Bool
compare :: RuntimeCode -> RuntimeCode -> Ordering
$ccompare :: RuntimeCode -> RuntimeCode -> Ordering
Ord)
instance Eq ContractCode where
(InitCode ByteString
a Expr 'Buf
b) == :: ContractCode -> ContractCode -> Bool
== (InitCode ByteString
c Expr 'Buf
d) = ByteString
a forall a. Eq a => a -> a -> Bool
== ByteString
c Bool -> Bool -> Bool
&& Expr 'Buf
b forall a. Eq a => a -> a -> Bool
== Expr 'Buf
d
(RuntimeCode RuntimeCode
x) == (RuntimeCode RuntimeCode
y) = RuntimeCode
x forall a. Eq a => a -> a -> Bool
== RuntimeCode
y
ContractCode
_ == ContractCode
_ = Bool
False
deriving instance Ord ContractCode
data Contract = Contract
{ Contract -> ContractCode
_contractcode :: ContractCode
, Contract -> W256
_balance :: W256
, Contract -> W256
_nonce :: W256
, Contract -> Expr 'EWord
_codehash :: Expr EWord
, Contract -> Vector Int
_opIxMap :: Vector Int
, Contract -> Vector (Int, Op)
_codeOps :: RegularVector.Vector (Int, Op)
, Contract -> Bool
_external :: Bool
}
deriving instance Show Contract
data StorageModel
= ConcreteS
| SymbolicS
| InitialS
deriving (ReadPrec [StorageModel]
ReadPrec StorageModel
Int -> ReadS StorageModel
ReadS [StorageModel]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [StorageModel]
$creadListPrec :: ReadPrec [StorageModel]
readPrec :: ReadPrec StorageModel
$creadPrec :: ReadPrec StorageModel
readList :: ReadS [StorageModel]
$creadList :: ReadS [StorageModel]
readsPrec :: Int -> ReadS StorageModel
$creadsPrec :: Int -> ReadS StorageModel
Read, Int -> StorageModel -> ShowS
[StorageModel] -> ShowS
StorageModel -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [StorageModel] -> ShowS
$cshowList :: [StorageModel] -> ShowS
show :: StorageModel -> String
$cshow :: StorageModel -> String
showsPrec :: Int -> StorageModel -> ShowS
$cshowsPrec :: Int -> StorageModel -> ShowS
Show)
instance ParseField StorageModel
data Env = Env
{ Env -> Map Addr Contract
_contracts :: Map Addr Contract
, Env -> W256
_chainId :: W256
, Env -> Expr 'Storage
_storage :: Expr Storage
, Env -> Map W256 (Map W256 W256)
_origStorage :: Map W256 (Map W256 W256)
, Env -> Map W256 ByteString
_sha3Crack :: Map W256 ByteString
}
deriving (Int -> Env -> ShowS
[Env] -> ShowS
Env -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Env] -> ShowS
$cshowList :: [Env] -> ShowS
show :: Env -> String
$cshow :: Env -> String
showsPrec :: Int -> Env -> ShowS
$cshowsPrec :: Int -> Env -> ShowS
Show)
data Block = Block
{ Block -> Addr
_coinbase :: Addr
, Block -> Expr 'EWord
_timestamp :: Expr EWord
, Block -> W256
_number :: W256
, Block -> W256
_prevRandao :: W256
, Block -> Word64
_gaslimit :: Word64
, Block -> W256
_baseFee :: W256
, Block -> W256
_maxCodeSize :: W256
, Block -> FeeSchedule Word64
_schedule :: FeeSchedule Word64
} deriving Int -> Block -> ShowS
[Block] -> ShowS
Block -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Block] -> ShowS
$cshowList :: [Block] -> ShowS
show :: Block -> String
$cshow :: Block -> String
showsPrec :: Int -> Block -> ShowS
$cshowsPrec :: Int -> Block -> ShowS
Show
blankState :: FrameState
blankState :: FrameState
blankState = FrameState
{ $sel:_contract:FrameState :: Addr
_contract = Addr
0
, $sel:_codeContract:FrameState :: Addr
_codeContract = Addr
0
, $sel:_code:FrameState :: ContractCode
_code = RuntimeCode -> ContractCode
RuntimeCode (ByteString -> RuntimeCode
ConcreteRuntimeCode ByteString
"")
, $sel:_pc:FrameState :: Int
_pc = Int
0
, $sel:_stack:FrameState :: [Expr 'EWord]
_stack = forall a. Monoid a => a
mempty
, $sel:_memory:FrameState :: Expr 'Buf
_memory = forall a. Monoid a => a
mempty
, $sel:_memorySize:FrameState :: Word64
_memorySize = Word64
0
, $sel:_calldata:FrameState :: Expr 'Buf
_calldata = forall a. Monoid a => a
mempty
, $sel:_callvalue:FrameState :: Expr 'EWord
_callvalue = (W256 -> Expr 'EWord
Lit W256
0)
, $sel:_caller:FrameState :: Expr 'EWord
_caller = (W256 -> Expr 'EWord
Lit W256
0)
, $sel:_gas:FrameState :: Word64
_gas = Word64
0
, $sel:_returndata:FrameState :: Expr 'Buf
_returndata = forall a. Monoid a => a
mempty
, $sel:_static:FrameState :: Bool
_static = Bool
False
}
makeLenses ''FrameState
makeLenses ''Frame
makeLenses ''Block
makeLenses ''TxState
makeLenses ''SubState
makeLenses ''Contract
makeLenses ''Env
makeLenses ''Cache
makeLenses ''Trace
makeLenses ''VM
bytecode :: Getter Contract (Expr Buf)
bytecode :: Getter Contract (Expr 'Buf)
bytecode = Lens' Contract ContractCode
contractcode forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (p :: * -> * -> *) (f :: * -> *) s a.
(Profunctor p, Contravariant f) =>
(s -> a) -> Optic' p f s a
to ContractCode -> Expr 'Buf
f
where f :: ContractCode -> Expr 'Buf
f (InitCode ByteString
_ Expr 'Buf
_) = forall a. Monoid a => a
mempty
f (RuntimeCode (ConcreteRuntimeCode ByteString
bs)) = ByteString -> Expr 'Buf
ConcreteBuf ByteString
bs
f (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops)) = Vector (Expr 'Byte) -> Expr 'Buf
Expr.fromList Vector (Expr 'Byte)
ops
instance Semigroup Cache where
Cache
a <> :: Cache -> Cache -> Cache
<> Cache
b = Cache
{ $sel:_fetchedContracts:Cache :: Map Addr Contract
_fetchedContracts = forall k a. Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
Map.unionWith Contract -> Contract -> Contract
unifyCachedContract Cache
a._fetchedContracts Cache
b._fetchedContracts
, $sel:_fetchedStorage:Cache :: Map W256 (Map W256 W256)
_fetchedStorage = forall k a. Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
Map.unionWith Map W256 W256 -> Map W256 W256 -> Map W256 W256
unifyCachedStorage Cache
a._fetchedStorage Cache
b._fetchedStorage
, $sel:_path:Cache :: Map (CodeLocation, Int) Bool
_path = forall a. Monoid a => a -> a -> a
mappend Cache
a._path Cache
b._path
}
unifyCachedStorage :: Map W256 W256 -> Map W256 W256 -> Map W256 W256
unifyCachedStorage :: Map W256 W256 -> Map W256 W256 -> Map W256 W256
unifyCachedStorage Map W256 W256
_ Map W256 W256
_ = forall a. HasCallStack => a
undefined
unifyCachedContract :: Contract -> Contract -> Contract
unifyCachedContract :: Contract -> Contract -> Contract
unifyCachedContract Contract
_ Contract
_ = forall a. HasCallStack => a
undefined
instance Monoid Cache where
mempty :: Cache
mempty = Cache { $sel:_fetchedContracts:Cache :: Map Addr Contract
_fetchedContracts = forall a. Monoid a => a
mempty,
$sel:_fetchedStorage:Cache :: Map W256 (Map W256 W256)
_fetchedStorage = forall a. Monoid a => a
mempty,
$sel:_path:Cache :: Map (CodeLocation, Int) Bool
_path = forall a. Monoid a => a
mempty
}
currentContract :: VM -> Maybe Contract
currentContract :: VM -> Maybe Contract
currentContract VM
vm =
forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup VM
vm._state._codeContract VM
vm._env._contracts
makeVm :: VMOpts -> VM
makeVm :: VMOpts -> VM
makeVm VMOpts
o =
let txaccessList :: Map Addr [W256]
txaccessList = VMOpts
o.vmoptTxAccessList
txorigin :: Addr
txorigin = VMOpts
o.vmoptOrigin
txtoAddr :: Addr
txtoAddr = VMOpts
o.vmoptAddress
initialAccessedAddrs :: Set Addr
initialAccessedAddrs = forall a. Ord a => [a] -> Set a
fromList forall a b. (a -> b) -> a -> b
$ [Addr
txorigin, Addr
txtoAddr] forall a. [a] -> [a] -> [a]
++ [Addr
1..Addr
9] forall a. [a] -> [a] -> [a]
++ (forall k a. Map k a -> [k]
Map.keys Map Addr [W256]
txaccessList)
initialAccessedStorageKeys :: Set (Addr, W256)
initialAccessedStorageKeys = forall a. Ord a => [a] -> Set a
fromList forall a b. (a -> b) -> a -> b
$ forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry (forall a b. (a -> b) -> [a] -> [b]
map forall b c a. (b -> c) -> (a -> b) -> a -> c
. (,))) (forall k a. Map k a -> [(k, a)]
Map.toList Map Addr [W256]
txaccessList)
touched :: [Addr]
touched = if VMOpts
o.vmoptCreate then [Addr
txorigin] else [Addr
txorigin, Addr
txtoAddr]
in
VM
{ $sel:_result:VM :: Maybe VMResult
_result = forall a. Maybe a
Nothing
, $sel:_frames:VM :: [Frame]
_frames = forall a. Monoid a => a
mempty
, $sel:_tx:VM :: TxState
_tx = TxState
{ $sel:_gasprice:TxState :: W256
_gasprice = VMOpts
o.vmoptGasprice
, $sel:_txgaslimit:TxState :: Word64
_txgaslimit = VMOpts
o.vmoptGaslimit
, $sel:_txPriorityFee:TxState :: W256
_txPriorityFee = VMOpts
o.vmoptPriorityFee
, $sel:_origin:TxState :: Addr
_origin = Addr
txorigin
, $sel:_toAddr:TxState :: Addr
_toAddr = Addr
txtoAddr
, $sel:_value:TxState :: Expr 'EWord
_value = VMOpts
o.vmoptValue
, $sel:_substate:TxState :: SubState
_substate = [Addr]
-> [Addr]
-> Set Addr
-> Set (Addr, W256)
-> [(Addr, Word64)]
-> SubState
SubState forall a. Monoid a => a
mempty [Addr]
touched Set Addr
initialAccessedAddrs Set (Addr, W256)
initialAccessedStorageKeys forall a. Monoid a => a
mempty
, $sel:_isCreate:TxState :: Bool
_isCreate = VMOpts
o.vmoptCreate
, $sel:_txReversion:TxState :: Map Addr Contract
_txReversion = forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList
[(VMOpts
o.vmoptAddress , VMOpts
o.vmoptContract )]
}
, $sel:_logs:VM :: [Expr 'Log]
_logs = []
, $sel:_traces:VM :: TreePos Empty Trace
_traces = forall a. Forest a -> TreePos Empty a
Zipper.fromForest []
, $sel:_block:VM :: Block
_block = Block
{ $sel:_coinbase:Block :: Addr
_coinbase = VMOpts
o.vmoptCoinbase
, $sel:_timestamp:Block :: Expr 'EWord
_timestamp = VMOpts
o.vmoptTimestamp
, $sel:_number:Block :: W256
_number = VMOpts
o.vmoptNumber
, $sel:_prevRandao:Block :: W256
_prevRandao = VMOpts
o.vmoptPrevRandao
, $sel:_maxCodeSize:Block :: W256
_maxCodeSize = VMOpts
o.vmoptMaxCodeSize
, $sel:_gaslimit:Block :: Word64
_gaslimit = VMOpts
o.vmoptBlockGaslimit
, $sel:_baseFee:Block :: W256
_baseFee = VMOpts
o.vmoptBaseFee
, $sel:_schedule:Block :: FeeSchedule Word64
_schedule = VMOpts
o.vmoptSchedule
}
, $sel:_state:VM :: FrameState
_state = FrameState
{ $sel:_pc:FrameState :: Int
_pc = Int
0
, $sel:_stack:FrameState :: [Expr 'EWord]
_stack = forall a. Monoid a => a
mempty
, $sel:_memory:FrameState :: Expr 'Buf
_memory = forall a. Monoid a => a
mempty
, $sel:_memorySize:FrameState :: Word64
_memorySize = Word64
0
, $sel:_code:FrameState :: ContractCode
_code = VMOpts
o.vmoptContract._contractcode
, $sel:_contract:FrameState :: Addr
_contract = VMOpts
o.vmoptAddress
, $sel:_codeContract:FrameState :: Addr
_codeContract = VMOpts
o.vmoptAddress
, $sel:_calldata:FrameState :: Expr 'Buf
_calldata = forall a b. (a, b) -> a
fst VMOpts
o.vmoptCalldata
, $sel:_callvalue:FrameState :: Expr 'EWord
_callvalue = VMOpts
o.vmoptValue
, $sel:_caller:FrameState :: Expr 'EWord
_caller = VMOpts
o.vmoptCaller
, $sel:_gas:FrameState :: Word64
_gas = VMOpts
o.vmoptGas
, $sel:_returndata:FrameState :: Expr 'Buf
_returndata = forall a. Monoid a => a
mempty
, $sel:_static:FrameState :: Bool
_static = Bool
False
}
, $sel:_env:VM :: Env
_env = Env
{ $sel:_sha3Crack:Env :: Map W256 ByteString
_sha3Crack = forall a. Monoid a => a
mempty
, $sel:_chainId:Env :: W256
_chainId = VMOpts
o.vmoptChainId
, $sel:_storage:Env :: Expr 'Storage
_storage = if VMOpts
o.vmoptStorageBase forall a. Eq a => a -> a -> Bool
== StorageBase
Concrete then Expr 'Storage
EmptyStore else Expr 'Storage
AbstractStore
, $sel:_origStorage:Env :: Map W256 (Map W256 W256)
_origStorage = forall a. Monoid a => a
mempty
, $sel:_contracts:Env :: Map Addr Contract
_contracts = forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList
[(VMOpts
o.vmoptAddress, VMOpts
o.vmoptContract )]
}
, $sel:_cache:VM :: Cache
_cache = Map Addr Contract
-> Map W256 (Map W256 W256)
-> Map (CodeLocation, Int) Bool
-> Cache
Cache forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty
, $sel:_burned:VM :: Word64
_burned = Word64
0
, $sel:_constraints:VM :: [Prop]
_constraints = forall a b. (a, b) -> b
snd VMOpts
o.vmoptCalldata
, $sel:_keccakEqs:VM :: [Prop]
_keccakEqs = forall a. Monoid a => a
mempty
, $sel:_iterations:VM :: Map CodeLocation Int
_iterations = forall a. Monoid a => a
mempty
, $sel:_allowFFI:VM :: Bool
_allowFFI = VMOpts
o.vmoptAllowFFI
, $sel:_overrideCaller:VM :: Maybe (Expr 'EWord)
_overrideCaller = forall a. Maybe a
Nothing
}
initialContract :: ContractCode -> Contract
initialContract :: ContractCode -> Contract
initialContract ContractCode
theContractCode = Contract
{ $sel:_contractcode:Contract :: ContractCode
_contractcode = ContractCode
theContractCode
, $sel:_codehash:Contract :: Expr 'EWord
_codehash = ContractCode -> Expr 'EWord
hashcode ContractCode
theContractCode
, $sel:_balance:Contract :: W256
_balance = W256
0
, $sel:_nonce:Contract :: W256
_nonce = if Bool
creation then W256
1 else W256
0
, $sel:_opIxMap:Contract :: Vector Int
_opIxMap = ContractCode -> Vector Int
mkOpIxMap ContractCode
theContractCode
, $sel:_codeOps:Contract :: Vector (Int, Op)
_codeOps = ContractCode -> Vector (Int, Op)
mkCodeOps ContractCode
theContractCode
, $sel:_external:Contract :: Bool
_external = Bool
False
} where
creation :: Bool
creation = case ContractCode
theContractCode of
InitCode ByteString
_ Expr 'Buf
_ -> Bool
True
RuntimeCode RuntimeCode
_ -> Bool
False
next :: (?op :: Word8) => EVM ()
next :: (?op::Word8) => EVM ()
next = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Int
pc) (forall a. Num a => a -> a -> a
+ (Word8 -> Int
opSize ?op::Word8
?op))
exec1 :: EVM ()
exec1 :: EVM ()
exec1 = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let
mem :: Expr 'Buf
mem = VM
vm._state._memory
stk :: [Expr 'EWord]
stk = VM
vm._state._stack
self :: Addr
self = VM
vm._state._contract
this :: Contract
this = forall a. a -> Maybe a -> a
fromMaybe (forall a. HasCallStack => String -> a
error String
"internal error: state contract") (forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Addr
self VM
vm._env._contracts)
fees :: FeeSchedule Word64
fees@FeeSchedule {Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
..} = VM
vm._block._schedule
doStop :: EVM ()
doStop = FrameResult -> EVM ()
finishFrame (Expr 'Buf -> FrameResult
FrameReturned forall a. Monoid a => a
mempty)
if Addr
self forall a. Ord a => a -> a -> Bool
> Addr
0x0 Bool -> Bool -> Bool
&& Addr
self forall a. Ord a => a -> a -> Bool
<= Addr
0x9 then do
let ?op = Word8
0x00
case Expr 'Buf -> Expr 'EWord
bufLength VM
vm._state._calldata of
(Lit W256
calldatasize) -> do
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory VM
vm._state._calldata (W256 -> Expr 'EWord
Lit W256
calldatasize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
0)
(?op::Word8) =>
Addr
-> Word64
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> EVM ()
executePrecompile Addr
self VM
vm._state._gas W256
0 W256
calldatasize W256
0 W256
0 []
VM
vmx <- forall s (m :: * -> *). MonadState s m => m s
get
case VM
vmx._state._stack of
(Expr 'EWord
x:[Expr 'EWord]
_) -> case Expr 'EWord
x of
Lit (forall a b. (Integral a, Num b) => a -> b
num -> Integer
x' :: Integer) -> case Integer
x' of
Integer
0 -> do
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
self forall a b. (a -> b) -> a -> b
$ \Contract
_ -> do
Addr -> EVM ()
touchAccount Addr
self
Error -> EVM ()
vmError Error
PrecompileFailure
Integer
_ -> Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
self forall a b. (a -> b) -> a -> b
$ \Contract
_ -> do
Addr -> EVM ()
touchAccount Addr
self
Expr 'Buf
out <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata)
FrameResult -> EVM ()
finishFrame (Expr 'Buf -> FrameResult
FrameReturned Expr 'Buf
out)
Expr 'EWord
e -> Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$
forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vmx._state._pc String
"precompile returned a symbolic value" [Expr 'EWord
e]
[Expr 'EWord]
_ ->
EVM ()
underrun
Expr 'EWord
e -> Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
"cannot call precompiles with symbolic data" [Expr 'EWord
e]
else if VM
vm._state._pc forall a. Ord a => a -> a -> Bool
>= ContractCode -> Int
opslen VM
vm._state._code
then EVM ()
doStop
else do
let ?op = case VM
vm._state._code of
InitCode ByteString
conc Expr 'Buf
_ -> HasCallStack => ByteString -> Int -> Word8
BS.index ByteString
conc VM
vm._state._pc
RuntimeCode (ConcreteRuntimeCode ByteString
bs) -> HasCallStack => ByteString -> Int -> Word8
BS.index ByteString
bs VM
vm._state._pc
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops) ->
forall a. a -> Maybe a -> a
fromMaybe (forall a. HasCallStack => String -> a
error String
"could not analyze symbolic code") forall a b. (a -> b) -> a -> b
$
Expr 'Byte -> Maybe Word8
unlitByte forall a b. (a -> b) -> a -> b
$ Vector (Expr 'Byte)
ops forall a. Vector a -> Int -> a
V.! VM
vm._state._pc
case ?op::Word8
?op of
Word8
x | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x60 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x7f -> do
let !n :: Int
n = forall a b. (Integral a, Num b) => a -> b
num Word8
x forall a. Num a => a -> a -> a
- Int
0x60 forall a. Num a => a -> a -> a
+ Int
1
!xs :: Expr 'EWord
xs = case VM
vm._state._code of
InitCode ByteString
conc Expr 'Buf
_ -> W256 -> Expr 'EWord
Lit forall a b. (a -> b) -> a -> b
$ ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
padRight Int
n forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
BS.take Int
n (Int -> ByteString -> ByteString
BS.drop (Int
1 forall a. Num a => a -> a -> a
+ VM
vm._state._pc) ByteString
conc)
RuntimeCode (ConcreteRuntimeCode ByteString
bs) -> W256 -> Expr 'EWord
Lit forall a b. (a -> b) -> a -> b
$ ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
BS.take Int
n forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
BS.drop (Int
1 forall a. Num a => a -> a -> a
+ VM
vm._state._pc) ByteString
bs
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops) ->
let bytes :: Vector (Expr 'Byte)
bytes = forall a. Int -> Vector a -> Vector a
V.take Int
n forall a b. (a -> b) -> a -> b
$ forall a. Int -> Vector a -> Vector a
V.drop (Int
1 forall a. Num a => a -> a -> a
+ VM
vm._state._pc) Vector (Expr 'Byte)
ops
in Expr 'EWord -> Expr 'Buf -> Expr 'EWord
readWord (W256 -> Expr 'EWord
Lit W256
0) forall a b. (a -> b) -> a -> b
$ Vector (Expr 'Byte) -> Expr 'Buf
Expr.fromList forall a b. (a -> b) -> a -> b
$ Int -> Vector (Expr 'Byte) -> Vector (Expr 'Byte)
padLeft' Int
32 Vector (Expr 'Byte)
bytes
Int -> EVM () -> EVM ()
limitStack Int
1 forall a b. (a -> b) -> a -> b
$
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
Expr 'EWord -> EVM ()
pushSym Expr 'EWord
xs
Word8
x | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x80 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x8f -> do
let !i :: Word8
i = Word8
x forall a. Num a => a -> a -> a
- Word8
0x80 forall a. Num a => a -> a -> a
+ Word8
1
case forall s (m :: * -> *) a.
MonadReader s m =>
Getting (First a) s a -> m (Maybe a)
preview (forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix (forall a b. (Integral a, Num b) => a -> b
num Word8
i forall a. Num a => a -> a -> a
- Index [Expr 'EWord]
1)) [Expr 'EWord]
stk of
Maybe (Expr 'EWord)
Nothing -> EVM ()
underrun
Just Expr 'EWord
y ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall a b. (a -> b) -> a -> b
$
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
Expr 'EWord -> EVM ()
pushSym Expr 'EWord
y
Word8
x | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x90 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x9f -> do
let i :: Int
i = forall a b. (Integral a, Num b) => a -> b
num (Word8
x forall a. Num a => a -> a -> a
- Word8
0x90 forall a. Num a => a -> a -> a
+ Word8
1)
if forall (t :: * -> *) a. Foldable t => t a -> Int
length [Expr 'EWord]
stk forall a. Ord a => a -> a -> Bool
< Int
i forall a. Num a => a -> a -> a
+ Int
1
then EVM ()
underrun
else
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Index [Expr 'EWord]
0) ([Expr 'EWord]
stk forall s a. HasCallStack => s -> Getting (Endo a) s a -> a
^?! forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Int
i)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Int
i) ([Expr 'EWord]
stk forall s a. HasCallStack => s -> Getting (Endo a) s a -> a
^?! forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Int
0)
Word8
x | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0xa0 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0xa4 ->
EVM () -> EVM ()
notStatic forall a b. (a -> b) -> a -> b
$
let n :: Int
n = (forall a b. (Integral a, Num b) => a -> b
num Word8
x forall a. Num a => a -> a -> a
- Int
0xa0) in
case [Expr 'EWord]
stk of
(Expr 'EWord
xOffset':Expr 'EWord
xSize':[Expr 'EWord]
xs) ->
if forall (t :: * -> *) a. Foldable t => t a -> Int
length [Expr 'EWord]
xs forall a. Ord a => a -> a -> Bool
< Int
n
then EVM ()
underrun
else
(Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xOffset', Expr 'EWord
xSize') String
"LOG" forall a b. (a -> b) -> a -> b
$ \(W256
xOffset, W256
xSize) -> do
let ([Expr 'EWord]
topics, [Expr 'EWord]
xs') = forall a. Int -> [a] -> ([a], [a])
splitAt Int
n [Expr 'EWord]
xs
bytes :: Expr 'Buf
bytes = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm
logs' :: [Expr 'Log]
logs' = (Expr 'EWord -> Expr 'Buf -> [Expr 'EWord] -> Expr 'Log
LogEntry (Addr -> Expr 'EWord
litAddr Addr
self) Expr 'Buf
bytes [Expr 'EWord]
topics) forall a. a -> [a] -> [a]
: VM
vm._logs
Word64 -> EVM () -> EVM ()
burn (Word64
g_log forall a. Num a => a -> a -> a
+ Word64
g_logdata forall a. Num a => a -> a -> a
* (forall a b. (Integral a, Num b) => a -> b
num W256
xSize) forall a. Num a => a -> a -> a
+ forall a b. (Integral a, Num b) => a -> b
num Int
n forall a. Num a => a -> a -> a
* Word64
g_logtopic) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
[Expr 'Log] -> EVM ()
traceTopLog [Expr 'Log]
logs'
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs'
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM [Expr 'Log]
logs [Expr 'Log]
logs'
[Expr 'EWord]
_ ->
EVM ()
underrun
Word8
0x00 -> EVM ()
doStop
Word8
0x01 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.add)
Word8
0x02 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.mul)
Word8
0x03 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.sub)
Word8
0x04 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.div)
Word8
0x05 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.sdiv)
Word8
0x06 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.mod)
Word8
0x07 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.smod)
Word8
0x08 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Expr 'EWord)
-> EVM ()
stackOp3 (forall a b. a -> b -> a
const Word64
g_mid) (forall a b. Curry a b => b -> a
uncurryN Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.addmod)
Word8
0x09 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Expr 'EWord)
-> EVM ()
stackOp3 (forall a b. a -> b -> a
const Word64
g_mid) (forall a b. Curry a b => b -> a
uncurryN Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.mulmod)
Word8
0x10 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.lt)
Word8
0x11 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.gt)
Word8
0x12 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.slt)
Word8
0x13 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.sgt)
Word8
0x14 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.eq)
Word8
0x15 -> (?op::Word8) =>
(Expr 'EWord -> Word64) -> (Expr 'EWord -> Expr 'EWord) -> EVM ()
stackOp1 (forall a b. a -> b -> a
const Word64
g_verylow) Expr 'EWord -> Expr 'EWord
Expr.iszero
Word8
0x16 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.and)
Word8
0x17 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.or)
Word8
0x18 -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.xor)
Word8
0x19 -> (?op::Word8) =>
(Expr 'EWord -> Word64) -> (Expr 'EWord -> Expr 'EWord) -> EVM ()
stackOp1 (forall a b. a -> b -> a
const Word64
g_verylow) Expr 'EWord -> Expr 'EWord
Expr.not
Word8
0x1a -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (\(Expr 'EWord
i, Expr 'EWord
w) -> Expr 'Byte -> Expr 'EWord
Expr.padByte forall a b. (a -> b) -> a -> b
$ Expr 'EWord -> Expr 'EWord -> Expr 'Byte
Expr.indexWord Expr 'EWord
i Expr 'EWord
w)
Word8
0x1b -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.shl)
Word8
0x1c -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.shr)
Word8
0x1d -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_verylow) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.sar)
Word8
0x20 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xOffset' : Expr 'EWord
xSize' : [Expr 'EWord]
xs) ->
Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
xOffset' String
"sha3 offset must be concrete" forall a b. (a -> b) -> a -> b
$
\W256
xOffset -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
xSize' String
"sha3 size must be concrete" forall a b. (a -> b) -> a -> b
$ \W256
xSize ->
Word64 -> EVM () -> EVM ()
burn (Word64
g_sha3 forall a. Num a => a -> a -> a
+ Word64
g_sha3word forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
xSize) Word64
32) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
(Expr 'EWord
hash, Map W256 ByteString
invMap) <- case Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm of
ConcreteBuf ByteString
bs -> do
let hash' :: W256
hash' = ByteString -> W256
keccak' ByteString
bs
[Prop]
eqs <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use Lens' VM [Prop]
keccakEqs
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM [Prop]
keccakEqs forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Typeable a => Expr a -> Expr a -> Prop
PEq (W256 -> Expr 'EWord
Lit W256
hash') (Expr 'Buf -> Expr 'EWord
Keccak (ByteString -> Expr 'Buf
ConcreteBuf ByteString
bs))forall a. a -> [a] -> [a]
:[Prop]
eqs
forall (f :: * -> *) a. Applicative f => a -> f a
pure (W256 -> Expr 'EWord
Lit W256
hash', forall k a. k -> a -> Map k a
Map.singleton W256
hash' ByteString
bs)
Expr 'Buf
buf -> forall (f :: * -> *) a. Applicative f => a -> f a
pure (Expr 'Buf -> Expr 'EWord
Keccak Expr 'Buf
buf, forall a. Monoid a => a
mempty)
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (Expr 'EWord
hash forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
(Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map W256 ByteString)
sha3Crack) forall s (m :: * -> *) a.
(MonadState s m, Semigroup a) =>
ASetter' s a -> a -> m ()
<>= Map W256 ByteString
invMap
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x30 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall a b. (a -> b) -> a -> b
$
Word64 -> EVM () -> EVM ()
burn Word64
g_base ((?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num Addr
self))
Word8
0x31 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x' String
"BALANCE" forall a b. (a -> b) -> a -> b
$ \W256
x ->
Addr -> EVM () -> EVM ()
accessAndBurn (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$ \Contract
c -> do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num Contract
c._balance)
[] ->
EVM ()
underrun
Word8
0x32 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num VM
vm._tx._origin)
Word8
0x33 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym VM
vm._state._caller
Word8
0x34 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym VM
vm._state._callvalue
Word8
0x35 -> (?op::Word8) =>
(Expr 'EWord -> Word64) -> (Expr 'EWord -> Expr 'EWord) -> EVM ()
stackOp1 (forall a b. a -> b -> a
const Word64
g_verylow) forall a b. (a -> b) -> a -> b
$
\Expr 'EWord
ind -> Expr 'EWord -> Expr 'Buf -> Expr 'EWord
Expr.readWord Expr 'EWord
ind VM
vm._state._calldata
Word8
0x36 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym (Expr 'Buf -> Expr 'EWord
bufLength VM
vm._state._calldata)
Word8
0x37 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xTo' : Expr 'EWord
xFrom : Expr 'EWord
xSize' : [Expr 'EWord]
xs) ->
(Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xTo', Expr 'EWord
xSize') String
"CALLDATACOPY" forall a b. (a -> b) -> a -> b
$
\(W256
xTo, W256
xSize) ->
Word64 -> EVM () -> EVM ()
burn (Word64
g_verylow forall a. Num a => a -> a -> a
+ Word64
g_copy forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
xSize) Word64
32) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xTo W256
xSize forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory VM
vm._state._calldata Expr 'EWord
xSize' Expr 'EWord
xFrom Expr 'EWord
xTo'
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x38 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym (ContractCode -> Expr 'EWord
codelen VM
vm._state._code)
Word8
0x39 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
memOffset' : Expr 'EWord
codeOffset : Expr 'EWord
n' : [Expr 'EWord]
xs) ->
(Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
memOffset', Expr 'EWord
n') String
"CODECOPY" forall a b. (a -> b) -> a -> b
$
\(W256
memOffset,W256
n) -> do
case W256 -> Maybe Word64
toWord64 W256
n of
Maybe Word64
Nothing -> Error -> EVM ()
vmError Error
IllegalOverflow
Just Word64
n'' ->
if Word64
n'' forall a. Ord a => a -> a -> Bool
<= ( (forall a. Bounded a => a
maxBound :: Word64) forall a. Num a => a -> a -> a
- Word64
g_verylow ) forall a. Integral a => a -> a -> a
`div` Word64
g_copy forall a. Num a => a -> a -> a
* Word64
32 then
Word64 -> EVM () -> EVM ()
burn (Word64
g_verylow forall a. Num a => a -> a -> a
+ Word64
g_copy forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
n) Word64
32) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
memOffset W256
n forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory (ContractCode -> Expr 'Buf
toBuf VM
vm._state._code) Expr 'EWord
n' Expr 'EWord
codeOffset Expr 'EWord
memOffset'
else Error -> EVM ()
vmError Error
IllegalOverflow
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x3a ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push VM
vm._tx._gasprice
Word8
0x3b ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':[Expr 'EWord]
xs) -> case Expr 'EWord
x' of
(Lit W256
x) -> if W256
x forall a. Eq a => a -> a -> Bool
== forall a b. (Integral a, Num b) => a -> b
num Addr
cheatCode
then do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'EWord -> EVM ()
pushSym (W256 -> Expr 'EWord
Lit W256
1)
else
Addr -> EVM () -> EVM ()
accessAndBurn (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$ \Contract
c -> do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'EWord -> EVM ()
pushSym (Expr 'Buf -> Expr 'EWord
bufLength (forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view Getter Contract (Expr 'Buf)
bytecode Contract
c))
Expr 'EWord
_ -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'EWord -> EVM ()
pushSym (Expr 'EWord -> Expr 'EWord
CodeSize Expr 'EWord
x')
(?op::Word8) => EVM ()
next
[] ->
EVM ()
underrun
Word8
0x3c ->
case [Expr 'EWord]
stk of
( Expr 'EWord
extAccount'
: Expr 'EWord
memOffset'
: Expr 'EWord
codeOffset
: Expr 'EWord
codeSize'
: [Expr 'EWord]
xs ) ->
(Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete3 (Expr 'EWord
extAccount', Expr 'EWord
memOffset', Expr 'EWord
codeSize') String
"EXTCODECOPY" forall a b. (a -> b) -> a -> b
$
\(W256
extAccount, W256
memOffset, W256
codeSize) -> do
Bool
acc <- Addr -> EVM Bool
accessAccountForGas (forall a b. (Integral a, Num b) => a -> b
num W256
extAccount)
let cost :: Word64
cost = if Bool
acc then Word64
g_warm_storage_read else Word64
g_cold_account_access
Word64 -> EVM () -> EVM ()
burn (Word64
cost forall a. Num a => a -> a -> a
+ Word64
g_copy forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
codeSize) Word64
32) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
memOffset W256
codeSize forall a b. (a -> b) -> a -> b
$
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount (forall a b. (Integral a, Num b) => a -> b
num W256
extAccount) forall a b. (a -> b) -> a -> b
$ \Contract
c -> do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory (forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view Getter Contract (Expr 'Buf)
bytecode Contract
c) Expr 'EWord
codeSize' Expr 'EWord
codeOffset Expr 'EWord
memOffset'
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x3d ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym (Expr 'Buf -> Expr 'EWord
bufLength VM
vm._state._returndata)
Word8
0x3e ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xTo' : Expr 'EWord
xFrom : Expr 'EWord
xSize' :[Expr 'EWord]
xs) -> (Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xTo', Expr 'EWord
xSize') String
"RETURNDATACOPY" forall a b. (a -> b) -> a -> b
$
\(W256
xTo, W256
xSize) ->
Word64 -> EVM () -> EVM ()
burn (Word64
g_verylow forall a. Num a => a -> a -> a
+ Word64
g_copy forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
xSize) Word64
32) forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xTo W256
xSize forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
let jump :: Bool -> EVM ()
jump Bool
True = Error -> EVM ()
vmError Error
EVM.InvalidMemoryAccess
jump Bool
False = Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory VM
vm._state._returndata Expr 'EWord
xSize' Expr 'EWord
xFrom Expr 'EWord
xTo'
case (Expr 'EWord
xFrom, Expr 'Buf -> Expr 'EWord
bufLength VM
vm._state._returndata) of
(Lit W256
f, Lit W256
l) ->
Bool -> EVM ()
jump forall a b. (a -> b) -> a -> b
$ W256
l forall a. Ord a => a -> a -> Bool
< W256
f forall a. Num a => a -> a -> a
+ W256
xSize Bool -> Bool -> Bool
|| W256
f forall a. Num a => a -> a -> a
+ W256
xSize forall a. Ord a => a -> a -> Bool
< W256
f
(Expr 'EWord, Expr 'EWord)
_ -> do
let oob :: Expr 'EWord
oob = Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.lt (Expr 'Buf -> Expr 'EWord
bufLength VM
vm._state._returndata) (Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.add Expr 'EWord
xFrom Expr 'EWord
xSize')
overflow :: Expr 'EWord
overflow = Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.lt (Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.add Expr 'EWord
xFrom Expr 'EWord
xSize') (Expr 'EWord
xFrom)
CodeLocation
loc <- EVM CodeLocation
codeloc
CodeLocation -> Expr 'EWord -> (Bool -> EVM ()) -> EVM ()
branch CodeLocation
loc (Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.or Expr 'EWord
oob Expr 'EWord
overflow) Bool -> EVM ()
jump
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x3f ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x' String
"EXTCODEHASH" forall a b. (a -> b) -> a -> b
$ \W256
x ->
Addr -> EVM () -> EVM ()
accessAndBurn (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount (forall a b. (Integral a, Num b) => a -> b
num W256
x) forall a b. (a -> b) -> a -> b
$ \Contract
c ->
if Contract -> Bool
accountEmpty Contract
c
then W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num (Int
0 :: Int))
else Expr 'EWord -> EVM ()
pushSym forall a b. (a -> b) -> a -> b
$ Expr 'Buf -> Expr 'EWord
keccak (forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view Getter Contract (Expr 'Buf)
bytecode Contract
c)
[] ->
EVM ()
underrun
Word8
0x40 -> do
(?op::Word8) =>
(Expr 'EWord -> Word64) -> (Expr 'EWord -> Expr 'EWord) -> EVM ()
stackOp1 (forall a b. a -> b -> a
const Word64
g_blockhash) forall a b. (a -> b) -> a -> b
$ \case
(Lit W256
i) -> if W256
i forall a. Num a => a -> a -> a
+ W256
256 forall a. Ord a => a -> a -> Bool
< VM
vm._block._number Bool -> Bool -> Bool
|| W256
i forall a. Ord a => a -> a -> Bool
>= VM
vm._block._number
then W256 -> Expr 'EWord
Lit W256
0
else (forall a b. (Integral a, Num b) => a -> b
num W256
i :: Integer) forall a b. a -> (a -> b) -> b
& forall a. Show a => a -> String
show forall a b. a -> (a -> b) -> b
& String -> ByteString
Char8.pack forall a b. a -> (a -> b) -> b
& ByteString -> W256
keccak' forall a b. a -> (a -> b) -> b
& W256 -> Expr 'EWord
Lit
Expr 'EWord
i -> Expr 'EWord -> Expr 'EWord
BlockHash Expr 'EWord
i
Word8
0x41 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num VM
vm._block._coinbase)
Word8
0x42 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Expr 'EWord -> EVM ()
pushSym VM
vm._block._timestamp
Word8
0x43 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push VM
vm._block._number
Word8
0x44 -> do
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push VM
vm._block._prevRandao
Word8
0x45 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num VM
vm._block._gaslimit)
Word8
0x46 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push VM
vm._env._chainId
Word8
0x47 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_low forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push Contract
this._balance
Word8
0x48 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push VM
vm._block._baseFee
Word8
0x50 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
_:[Expr 'EWord]
xs) -> Word64 -> EVM () -> EVM ()
burn Word64
g_base ((?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x51 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x' String
"MLOAD" forall a b. (a -> b) -> a -> b
$ \W256
x ->
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> EVM () -> EVM ()
accessMemoryWord FeeSchedule Word64
fees W256
x forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (Expr 'EWord -> Expr 'Buf -> Expr 'EWord
readWord (W256 -> Expr 'EWord
Lit W256
x) Expr 'Buf
mem forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x52 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':Expr 'EWord
y:[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x' String
"MSTORE index" forall a b. (a -> b) -> a -> b
$ \W256
x ->
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> EVM () -> EVM ()
accessMemoryWord FeeSchedule Word64
fees W256
x forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory) (Expr 'EWord -> Expr 'EWord -> Expr 'Buf -> Expr 'Buf
writeWord (W256 -> Expr 'EWord
Lit W256
x) Expr 'EWord
y Expr 'Buf
mem)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x53 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x':Expr 'EWord
y:[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x' String
"MSTORE8" forall a b. (a -> b) -> a -> b
$ \W256
x ->
Word64 -> EVM () -> EVM ()
burn Word64
g_verylow forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
x W256
1 forall a b. (a -> b) -> a -> b
$ do
let yByte :: Expr 'Byte
yByte = Expr 'EWord -> Expr 'EWord -> Expr 'Byte
indexWord (W256 -> Expr 'EWord
Lit W256
31) Expr 'EWord
y
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory) (Expr 'EWord -> Expr 'Byte -> Expr 'Buf -> Expr 'Buf
writeByte (W256 -> Expr 'EWord
Lit W256
x) Expr 'Byte
yByte)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x54 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x:[Expr 'EWord]
xs) -> do
Bool
acc <- Addr -> Expr 'EWord -> EVM Bool
accessStorageForGas Addr
self Expr 'EWord
x
let cost :: Word64
cost = if Bool
acc then Word64
g_warm_storage_read else Word64
g_cold_sload
Word64 -> EVM () -> EVM ()
burn Word64
cost forall a b. (a -> b) -> a -> b
$
Addr -> Expr 'EWord -> (Expr 'EWord -> EVM ()) -> EVM ()
accessStorage Addr
self Expr 'EWord
x forall a b. (a -> b) -> a -> b
$ \Expr 'EWord
y -> do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (Expr 'EWord
yforall a. a -> [a] -> [a]
:[Expr 'EWord]
xs)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x55 ->
EVM () -> EVM ()
notStatic forall a b. (a -> b) -> a -> b
$
case [Expr 'EWord]
stk of
(Expr 'EWord
x:Expr 'EWord
new:[Expr 'EWord]
xs) ->
Addr -> Expr 'EWord -> (Expr 'EWord -> EVM ()) -> EVM ()
accessStorage Addr
self Expr 'EWord
x forall a b. (a -> b) -> a -> b
$ \Expr 'EWord
current -> do
Word64
availableGas <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
if forall a b. (Integral a, Num b) => a -> b
num Word64
availableGas forall a. Ord a => a -> a -> Bool
<= Word64
g_callstipend
then FrameResult -> EVM ()
finishFrame (Error -> FrameResult
FrameErrored (Word64 -> Word64 -> Error
OutOfGas Word64
availableGas (forall a b. (Integral a, Num b) => a -> b
num Word64
g_callstipend)))
else do
let original :: W256
original = case Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Maybe (Expr 'EWord)
readStorage (Addr -> Expr 'EWord
litAddr Addr
self) Expr 'EWord
x (Map W256 (Map W256 W256) -> Expr 'Storage
ConcreteStore VM
vm._env._origStorage) of
Just (Lit W256
v) -> W256
v
Maybe (Expr 'EWord)
_ -> W256
0
let storage_cost :: Word64
storage_cost = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
current, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
new) of
(Just W256
current', Just W256
new') ->
if (W256
current' forall a. Eq a => a -> a -> Bool
== W256
new') then Word64
g_sload
else if (W256
current' forall a. Eq a => a -> a -> Bool
== W256
original) Bool -> Bool -> Bool
&& (W256
original forall a. Eq a => a -> a -> Bool
== W256
0) then Word64
g_sset
else if (W256
current' forall a. Eq a => a -> a -> Bool
== W256
original) then Word64
g_sreset
else Word64
g_sload
(Maybe W256, Maybe W256)
_ -> Word64
g_sset
Bool
acc <- Addr -> Expr 'EWord -> EVM Bool
accessStorageForGas Addr
self Expr 'EWord
x
let cold_storage_cost :: Word64
cold_storage_cost = if Bool
acc then Word64
0 else Word64
g_cold_sload
Word64 -> EVM () -> EVM ()
burn (Word64
storage_cost forall a. Num a => a -> a -> a
+ Word64
cold_storage_cost) forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage)
(Expr 'EWord
-> Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Expr 'Storage
writeStorage (Addr -> Expr 'EWord
litAddr Addr
self) Expr 'EWord
x Expr 'EWord
new)
case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
current, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
new) of
(Just W256
current', Just W256
new') ->
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
unless (W256
current' forall a. Eq a => a -> a -> Bool
== W256
new') forall a b. (a -> b) -> a -> b
$
if W256
current' forall a. Eq a => a -> a -> Bool
== W256
original
then forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (W256
original forall a. Eq a => a -> a -> Bool
/= W256
0 Bool -> Bool -> Bool
&& W256
new' forall a. Eq a => a -> a -> Bool
== W256
0) forall a b. (a -> b) -> a -> b
$
Word64 -> EVM ()
refund (Word64
g_sreset forall a. Num a => a -> a -> a
+ Word64
g_access_list_storage_key)
else do
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (W256
original forall a. Eq a => a -> a -> Bool
/= W256
0) forall a b. (a -> b) -> a -> b
$
if W256
new' forall a. Eq a => a -> a -> Bool
== W256
0
then Word64 -> EVM ()
refund (Word64
g_sreset forall a. Num a => a -> a -> a
+ Word64
g_access_list_storage_key)
else Word64 -> EVM ()
unRefund (Word64
g_sreset forall a. Num a => a -> a -> a
+ Word64
g_access_list_storage_key)
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (W256
original forall a. Eq a => a -> a -> Bool
== W256
new') forall a b. (a -> b) -> a -> b
$
if W256
original forall a. Eq a => a -> a -> Bool
== W256
0
then Word64 -> EVM ()
refund (Word64
g_sset forall a. Num a => a -> a -> a
- Word64
g_sload)
else Word64 -> EVM ()
refund (Word64
g_sreset forall a. Num a => a -> a -> a
- Word64
g_sload)
(Maybe W256, Maybe W256)
_ -> forall (m :: * -> *). Monad m => m ()
noop
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x56 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
x:[Expr 'EWord]
xs) ->
Word64 -> EVM () -> EVM ()
burn Word64
g_mid forall a b. (a -> b) -> a -> b
$ Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x String
"JUMP: symbolic jumpdest" forall a b. (a -> b) -> a -> b
$ \W256
x' ->
case W256 -> Maybe Int
toInt W256
x' of
Maybe Int
Nothing -> Error -> EVM ()
vmError Error
EVM.BadJumpDestination
Just Int
i -> Int -> [Expr 'EWord] -> EVM ()
checkJump Int
i [Expr 'EWord]
xs
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x57 -> do
case [Expr 'EWord]
stk of
(Expr 'EWord
x:Expr 'EWord
y:[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x String
"JUMPI: symbolic jumpdest" forall a b. (a -> b) -> a -> b
$ \W256
x' ->
Word64 -> EVM () -> EVM ()
burn Word64
g_high forall a b. (a -> b) -> a -> b
$
let jump :: Bool -> EVM ()
jump :: Bool -> EVM ()
jump Bool
False = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> (?op::Word8) => EVM ()
next
jump Bool
_ = case W256 -> Maybe Int
toInt W256
x' of
Maybe Int
Nothing -> Error -> EVM ()
vmError Error
EVM.BadJumpDestination
Just Int
i -> Int -> [Expr 'EWord] -> EVM ()
checkJump Int
i [Expr 'EWord]
xs
in case Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
y of
Just W256
y' -> Bool -> EVM ()
jump (W256
0 forall a. Eq a => a -> a -> Bool
/= W256
y')
Maybe W256
Nothing -> do
CodeLocation
loc <- EVM CodeLocation
codeloc
CodeLocation -> Expr 'EWord -> (Bool -> EVM ()) -> EVM ()
branch CodeLocation
loc Expr 'EWord
y Bool -> EVM ()
jump
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x58 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num VM
vm._state._pc)
Word8
0x59 ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num VM
vm._state._memorySize)
Word8
0x5a ->
Int -> EVM () -> EVM ()
limitStack Int
1 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word64 -> EVM () -> EVM ()
burn Word64
g_base forall a b. (a -> b) -> a -> b
$
(?op::Word8) => EVM ()
next forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num (VM
vm._state._gas forall a. Num a => a -> a -> a
- Word64
g_base))
Word8
0x5b -> Word64 -> EVM () -> EVM ()
burn Word64
g_jumpdest (?op::Word8) => EVM ()
next
Word8
0x0a ->
case [Expr 'EWord]
stk of
(Expr 'EWord
base:Expr 'EWord
exponent':[Expr 'EWord]
xs) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
exponent' String
"EXP: symbolic exponent" forall a b. (a -> b) -> a -> b
$ \W256
exponent ->
let cost :: Word64
cost = if W256
exponent forall a. Eq a => a -> a -> Bool
== W256
0
then Word64
g_exp
else Word64
g_exp forall a. Num a => a -> a -> a
+ Word64
g_expbyte forall a. Num a => a -> a -> a
* forall a b. (Integral a, Num b) => a -> b
num (forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (Int
1 forall a. Num a => a -> a -> a
+ forall b. FiniteBits b => b -> Int
log2 W256
exponent) Int
8)
in Word64 -> EVM () -> EVM ()
burn Word64
cost forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.exp Expr 'EWord
base Expr 'EWord
exponent' forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0x0b -> (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (forall a b. a -> b -> a
const Word64
g_low) (forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.sex)
Word8
0xf0 ->
EVM () -> EVM ()
notStatic forall a b. (a -> b) -> a -> b
$
case [Expr 'EWord]
stk of
(Expr 'EWord
xValue' : Expr 'EWord
xOffset' : Expr 'EWord
xSize' : [Expr 'EWord]
xs) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete3 (Expr 'EWord
xValue', Expr 'EWord
xOffset', Expr 'EWord
xSize') String
"CREATE" forall a b. (a -> b) -> a -> b
$
\(W256
xValue, W256
xOffset, W256
xSize) -> do
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
Word64
availableGas <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
let
newAddr :: Addr
newAddr = Addr -> W256 -> Addr
createAddress Addr
self Contract
this._nonce
(Word64
cost, Word64
gas') = FeeSchedule Word64 -> Word64 -> W256 -> (Word64, Word64)
costOfCreate FeeSchedule Word64
fees Word64
availableGas W256
0
Bool
_ <- Addr -> EVM Bool
accessAccountForGas Addr
newAddr
Word64 -> EVM () -> EVM ()
burn (Word64
cost forall a. Num a => a -> a -> a
- Word64
gas') forall a b. (a -> b) -> a -> b
$ do
let initCode :: Expr 'Buf
initCode = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm
(?op::Word8) =>
Addr
-> Contract
-> Word64
-> W256
-> [Expr 'EWord]
-> Addr
-> Expr 'Buf
-> EVM ()
create Addr
self Contract
this (forall a b. (Integral a, Num b) => a -> b
num Word64
gas') W256
xValue [Expr 'EWord]
xs Addr
newAddr Expr 'Buf
initCode
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0xf1 ->
case [Expr 'EWord]
stk of
( Expr 'EWord
xGas'
: Expr 'EWord
xTo
: Expr 'EWord
xValue'
: Expr 'EWord
xInOffset'
: Expr 'EWord
xInSize'
: Expr 'EWord
xOutOffset'
: Expr 'EWord
xOutSize'
: [Expr 'EWord]
xs
) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord,
Expr 'EWord)
-> String
-> ((W256, W256, W256, W256, W256, W256) -> EVM ())
-> EVM ()
forceConcrete6 (Expr 'EWord
xGas', Expr 'EWord
xValue', Expr 'EWord
xInOffset', Expr 'EWord
xInSize', Expr 'EWord
xOutOffset', Expr 'EWord
xOutSize') String
"CALL" forall a b. (a -> b) -> a -> b
$
\(W256
xGas, W256
xValue, W256
xInOffset, W256
xInSize, W256
xOutOffset, W256
xOutSize) ->
(if W256
xValue forall a. Ord a => a -> a -> Bool
> W256
0 then EVM () -> EVM ()
notStatic else forall a. a -> a
id) forall a b. (a -> b) -> a -> b
$
(?op::Word8) =>
Contract
-> Word64
-> Expr 'EWord
-> Expr 'EWord
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall Contract
this (forall a b. (Integral a, Num b) => a -> b
num W256
xGas) Expr 'EWord
xTo Expr 'EWord
xTo W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$ \Addr
callee -> do
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom Lens' VM FrameState
state forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
callvalue (W256 -> Expr 'EWord
Lit W256
xValue)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
caller forall a b. (a -> b) -> a -> b
$ forall a. a -> Maybe a -> a
fromMaybe (Addr -> Expr 'EWord
litAddr Addr
self) (VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM (Maybe (Expr 'EWord))
overrideCaller)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Addr
contract Addr
callee
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe (Expr 'EWord))
overrideCaller forall a. Maybe a
Nothing
Addr -> Addr -> W256 -> EVM ()
transfer Addr
self Addr
callee W256
xValue
Addr -> EVM ()
touchAccount Addr
self
Addr -> EVM ()
touchAccount Addr
callee
[Expr 'EWord]
_ ->
EVM ()
underrun
Word8
0xf2 ->
case [Expr 'EWord]
stk of
( Expr 'EWord
xGas'
: Expr 'EWord
xTo
: Expr 'EWord
xValue'
: Expr 'EWord
xInOffset'
: Expr 'EWord
xInSize'
: Expr 'EWord
xOutOffset'
: Expr 'EWord
xOutSize'
: [Expr 'EWord]
xs
) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord,
Expr 'EWord)
-> String
-> ((W256, W256, W256, W256, W256, W256) -> EVM ())
-> EVM ()
forceConcrete6 (Expr 'EWord
xGas', Expr 'EWord
xValue', Expr 'EWord
xInOffset', Expr 'EWord
xInSize', Expr 'EWord
xOutOffset', Expr 'EWord
xOutSize') String
"CALLCODE" forall a b. (a -> b) -> a -> b
$
\(W256
xGas, W256
xValue, W256
xInOffset, W256
xInSize, W256
xOutOffset, W256
xOutSize) ->
(?op::Word8) =>
Contract
-> Word64
-> Expr 'EWord
-> Expr 'EWord
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall Contract
this (forall a b. (Integral a, Num b) => a -> b
num W256
xGas) Expr 'EWord
xTo (Addr -> Expr 'EWord
litAddr Addr
self) W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$ \Addr
_ -> do
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom Lens' VM FrameState
state forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
callvalue (W256 -> Expr 'EWord
Lit W256
xValue)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
caller forall a b. (a -> b) -> a -> b
$ forall a. a -> Maybe a -> a
fromMaybe (Addr -> Expr 'EWord
litAddr Addr
self) (VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM (Maybe (Expr 'EWord))
overrideCaller)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe (Expr 'EWord))
overrideCaller forall a. Maybe a
Nothing
Addr -> EVM ()
touchAccount Addr
self
[Expr 'EWord]
_ ->
EVM ()
underrun
Word8
0xf3 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xOffset' : Expr 'EWord
xSize' :[Expr 'EWord]
_) -> (Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xOffset', Expr 'EWord
xSize') String
"RETURN" forall a b. (a -> b) -> a -> b
$ \(W256
xOffset, W256
xSize) ->
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
let
output :: Expr 'Buf
output = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm
codesize :: W256
codesize = forall a. a -> Maybe a -> a
fromMaybe (forall a. HasCallStack => String -> a
error String
"RETURN: cannot return dynamically sized abstract data")
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Expr 'EWord -> Maybe W256
unlit forall b c a. (b -> c) -> (a -> b) -> a -> c
. Expr 'Buf -> Expr 'EWord
bufLength forall a b. (a -> b) -> a -> b
$ Expr 'Buf
output
maxsize :: W256
maxsize = VM
vm._block._maxCodeSize
creation :: Bool
creation = case VM
vm._frames of
[] -> VM
vm._tx._isCreate
Frame
frame:[Frame]
_ -> case Frame
frame._frameContext of
CreationContext {} -> Bool
True
CallContext {} -> Bool
False
if Bool
creation
then
if W256
codesize forall a. Ord a => a -> a -> Bool
> W256
maxsize
then
FrameResult -> EVM ()
finishFrame (Error -> FrameResult
FrameErrored (W256 -> W256 -> Error
MaxCodeSizeExceeded W256
maxsize W256
codesize))
else do
let frameReturned :: EVM ()
frameReturned = Word64 -> EVM () -> EVM ()
burn (Word64
g_codedeposit forall a. Num a => a -> a -> a
* forall a b. (Integral a, Num b) => a -> b
num W256
codesize) forall a b. (a -> b) -> a -> b
$
FrameResult -> EVM ()
finishFrame (Expr 'Buf -> FrameResult
FrameReturned Expr 'Buf
output)
frameErrored :: EVM ()
frameErrored = FrameResult -> EVM ()
finishFrame forall a b. (a -> b) -> a -> b
$ Error -> FrameResult
FrameErrored Error
InvalidFormat
case Expr 'EWord -> Expr 'Buf -> Expr 'Byte
readByte (W256 -> Expr 'EWord
Lit W256
0) Expr 'Buf
output of
LitByte Word8
0xef -> EVM ()
frameErrored
LitByte Word8
_ -> EVM ()
frameReturned
Expr 'Byte
y -> do
CodeLocation
loc <- EVM CodeLocation
codeloc
CodeLocation -> Expr 'EWord -> (Bool -> EVM ()) -> EVM ()
branch CodeLocation
loc (Expr 'Byte -> Expr 'Byte -> Expr 'EWord
Expr.eqByte Expr 'Byte
y (Word8 -> Expr 'Byte
LitByte Word8
0xef)) forall a b. (a -> b) -> a -> b
$ \case
Bool
True -> EVM ()
frameErrored
Bool
False -> EVM ()
frameReturned
else
FrameResult -> EVM ()
finishFrame (Expr 'Buf -> FrameResult
FrameReturned Expr 'Buf
output)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0xf4 ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xGas'
:Expr 'EWord
xTo
:Expr 'EWord
xInOffset'
:Expr 'EWord
xInSize'
:Expr 'EWord
xOutOffset'
:Expr 'EWord
xOutSize'
:[Expr 'EWord]
xs) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete5 (Expr 'EWord
xGas', Expr 'EWord
xInOffset', Expr 'EWord
xInSize', Expr 'EWord
xOutOffset', Expr 'EWord
xOutSize') String
"DELEGATECALL" forall a b. (a -> b) -> a -> b
$
\(W256
xGas, W256
xInOffset, W256
xInSize, W256
xOutOffset, W256
xOutSize) ->
(?op::Word8) =>
Contract
-> Word64
-> Expr 'EWord
-> Expr 'EWord
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall Contract
this (forall a b. (Integral a, Num b) => a -> b
num W256
xGas) Expr 'EWord
xTo (Addr -> Expr 'EWord
litAddr Addr
self) W256
0 W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$ \Addr
_ -> do
Addr -> EVM ()
touchAccount Addr
self
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0xf5 -> EVM () -> EVM ()
notStatic forall a b. (a -> b) -> a -> b
$
case [Expr 'EWord]
stk of
(Expr 'EWord
xValue'
:Expr 'EWord
xOffset'
:Expr 'EWord
xSize'
:Expr 'EWord
xSalt'
:[Expr 'EWord]
xs) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete4 (Expr 'EWord
xValue', Expr 'EWord
xOffset', Expr 'EWord
xSize', Expr 'EWord
xSalt') String
"CREATE2" forall a b. (a -> b) -> a -> b
$
\(W256
xValue, W256
xOffset, W256
xSize, W256
xSalt) ->
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
Word64
availableGas <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf (Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm) String
"CREATE2" forall a b. (a -> b) -> a -> b
$
\ByteString
initCode -> do
let
newAddr :: Addr
newAddr = Addr -> W256 -> ByteString -> Addr
create2Address Addr
self W256
xSalt ByteString
initCode
(Word64
cost, Word64
gas') = FeeSchedule Word64 -> Word64 -> W256 -> (Word64, Word64)
costOfCreate FeeSchedule Word64
fees Word64
availableGas W256
xSize
Bool
_ <- Addr -> EVM Bool
accessAccountForGas Addr
newAddr
Word64 -> EVM () -> EVM ()
burn (Word64
cost forall a. Num a => a -> a -> a
- Word64
gas') forall a b. (a -> b) -> a -> b
$ (?op::Word8) =>
Addr
-> Contract
-> Word64
-> W256
-> [Expr 'EWord]
-> Addr
-> Expr 'Buf
-> EVM ()
create Addr
self Contract
this Word64
gas' W256
xValue [Expr 'EWord]
xs Addr
newAddr (ByteString -> Expr 'Buf
ConcreteBuf ByteString
initCode)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
0xfa ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xGas'
:Expr 'EWord
xTo
:Expr 'EWord
xInOffset'
:Expr 'EWord
xInSize'
:Expr 'EWord
xOutOffset'
:Expr 'EWord
xOutSize'
:[Expr 'EWord]
xs) -> (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete5 (Expr 'EWord
xGas', Expr 'EWord
xInOffset', Expr 'EWord
xInSize', Expr 'EWord
xOutOffset', Expr 'EWord
xOutSize') String
"STATICCALL" forall a b. (a -> b) -> a -> b
$
\(W256
xGas, W256
xInOffset, W256
xInSize, W256
xOutOffset, W256
xOutSize) -> do
(?op::Word8) =>
Contract
-> Word64
-> Expr 'EWord
-> Expr 'EWord
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall Contract
this (forall a b. (Integral a, Num b) => a -> b
num W256
xGas) Expr 'EWord
xTo Expr 'EWord
xTo W256
0 W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$ \Addr
callee -> do
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom Lens' VM FrameState
state forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
callvalue (W256 -> Expr 'EWord
Lit W256
0)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'EWord)
caller forall a b. (a -> b) -> a -> b
$ forall a. a -> Maybe a -> a
fromMaybe (Addr -> Expr 'EWord
litAddr Addr
self) (VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM (Maybe (Expr 'EWord))
overrideCaller)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Addr
contract Addr
callee
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Bool
static Bool
True
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe (Expr 'EWord))
overrideCaller forall a. Maybe a
Nothing
Addr -> EVM ()
touchAccount Addr
self
Addr -> EVM ()
touchAccount Addr
callee
[Expr 'EWord]
_ ->
EVM ()
underrun
Word8
0xff ->
EVM () -> EVM ()
notStatic forall a b. (a -> b) -> a -> b
$
case [Expr 'EWord]
stk of
[] -> EVM ()
underrun
(Expr 'EWord
xTo':[Expr 'EWord]
_) -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
xTo' String
"SELFDESTRUCT" forall a b. (a -> b) -> a -> b
$ \(forall a b. (Integral a, Num b) => a -> b
num -> Addr
xTo) -> do
Bool
acc <- Addr -> EVM Bool
accessAccountForGas (forall a b. (Integral a, Num b) => a -> b
num Addr
xTo)
let cost :: Word64
cost = if Bool
acc then Word64
0 else Word64
g_cold_account_access
funds :: W256
funds = Contract
this._balance
recipientExists :: Bool
recipientExists = Addr -> VM -> Bool
accountExists Addr
xTo VM
vm
c_new :: Word64
c_new = if Bool -> Bool
not Bool
recipientExists Bool -> Bool -> Bool
&& W256
funds forall a. Eq a => a -> a -> Bool
/= W256
0
then Word64
g_selfdestruct_newaccount
else Word64
0
Word64 -> EVM () -> EVM ()
burn (Word64
g_selfdestruct forall a. Num a => a -> a -> a
+ Word64
c_new forall a. Num a => a -> a -> a
+ Word64
cost) forall a b. (a -> b) -> a -> b
$ do
Addr -> EVM ()
selfdestruct Addr
self
Addr -> EVM ()
touchAccount Addr
xTo
if W256
funds forall a. Eq a => a -> a -> Bool
/= W256
0
then Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
xTo forall a b. (a -> b) -> a -> b
$ \Contract
_ -> do
Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
xTo forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
balance forall s (m :: * -> *) a.
(MonadState s m, Num a) =>
ASetter' s a -> a -> m ()
+= W256
funds
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
self forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
balance) W256
0
EVM ()
doStop
else EVM ()
doStop
Word8
0xfd ->
case [Expr 'EWord]
stk of
(Expr 'EWord
xOffset':Expr 'EWord
xSize':[Expr 'EWord]
_) -> (Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xOffset', Expr 'EWord
xSize') String
"REVERT" forall a b. (a -> b) -> a -> b
$ \(W256
xOffset, W256
xSize) ->
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOffset W256
xSize forall a b. (a -> b) -> a -> b
$ do
let output :: Expr 'Buf
output = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
xOffset' Expr 'EWord
xSize' VM
vm
FrameResult -> EVM ()
finishFrame (Expr 'Buf -> FrameResult
FrameReverted Expr 'Buf
output)
[Expr 'EWord]
_ -> EVM ()
underrun
Word8
xxx ->
Error -> EVM ()
vmError (Word8 -> Error
UnrecognizedOpcode Word8
xxx)
transfer :: Addr -> Addr -> W256 -> EVM ()
transfer :: Addr -> Addr -> W256 -> EVM ()
transfer Addr
xFrom Addr
xTo W256
xValue =
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts) forall a b. (a -> b) -> a -> b
$ do
forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
xFrom forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
balance forall s (m :: * -> *) a.
(MonadState s m, Num a) =>
ASetter' s a -> a -> m ()
-= W256
xValue
forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
xTo forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
balance forall s (m :: * -> *) a.
(MonadState s m, Num a) =>
ASetter' s a -> a -> m ()
+= W256
xValue
callChecks
:: (?op :: Word8)
=> Contract -> Word64 -> Addr -> Addr -> W256 -> W256 -> W256 -> W256 -> W256 -> [Expr EWord]
-> (Word64 -> EVM ())
-> EVM ()
callChecks :: (?op::Word8) =>
Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Word64 -> EVM ())
-> EVM ()
callChecks Contract
this Word64
xGas Addr
xContext Addr
xTo W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs Word64 -> EVM ()
continue = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let fees :: FeeSchedule Word64
fees = VM
vm._block._schedule
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xInOffset W256
xInSize forall a b. (a -> b) -> a -> b
$
FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
xOutOffset W256
xOutSize forall a b. (a -> b) -> a -> b
$ do
Word64
availableGas <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
let recipientExists :: Bool
recipientExists = Addr -> VM -> Bool
accountExists Addr
xContext VM
vm
(Word64
cost, Word64
gas') <- FeeSchedule Word64
-> Bool -> W256 -> Word64 -> Word64 -> Addr -> EVM (Word64, Word64)
costOfCall FeeSchedule Word64
fees Bool
recipientExists W256
xValue Word64
availableGas Word64
xGas Addr
xTo
Word64 -> EVM () -> EVM ()
burn (Word64
cost forall a. Num a => a -> a -> a
- Word64
gas') forall a b. (a -> b) -> a -> b
$ do
if W256
xValue forall a. Ord a => a -> a -> Bool
> forall a b. (Integral a, Num b) => a -> b
num Contract
this._balance
then do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> Error
BalanceTooLow W256
xValue Contract
this._balance
(?op::Word8) => EVM ()
next
else if forall (t :: * -> *) a. Foldable t => t a -> Int
length VM
vm._frames forall a. Ord a => a -> a -> Bool
>= Int
1024
then do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace Error
CallDepthLimitReached
(?op::Word8) => EVM ()
next
else Word64 -> EVM ()
continue Word64
gas'
precompiledContract
:: (?op :: Word8)
=> Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256 -> W256 -> W256 -> W256
-> [Expr EWord]
-> EVM ()
precompiledContract :: (?op::Word8) =>
Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> EVM ()
precompiledContract Contract
this Word64
xGas Addr
precompileAddr Addr
recipient W256
xValue W256
inOffset W256
inSize W256
outOffset W256
outSize [Expr 'EWord]
xs =
(?op::Word8) =>
Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Word64 -> EVM ())
-> EVM ()
callChecks Contract
this Word64
xGas Addr
recipient Addr
precompileAddr W256
xValue W256
inOffset W256
inSize W256
outOffset W256
outSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$ \Word64
gas' ->
do
(?op::Word8) =>
Addr
-> Word64
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> EVM ()
executePrecompile Addr
precompileAddr Word64
gas' W256
inOffset W256
inSize W256
outOffset W256
outSize [Expr 'EWord]
xs
Addr
self <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract)
[Expr 'EWord]
stk <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack)
Int
pc' <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Int
pc)
Maybe VMResult
result' <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use Lens' VM (Maybe VMResult)
result
case Maybe VMResult
result' of
Maybe VMResult
Nothing -> case [Expr 'EWord]
stk of
(Expr 'EWord
x:[Expr 'EWord]
_) -> case Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
x of
Just W256
0 ->
forall (m :: * -> *) a. Monad m => a -> m a
return ()
Just W256
1 ->
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
recipient forall a b. (a -> b) -> a -> b
$ \Contract
_ -> do
Addr -> Addr -> W256 -> EVM ()
transfer Addr
self Addr
recipient W256
xValue
Addr -> EVM ()
touchAccount Addr
self
Addr -> EVM ()
touchAccount Addr
recipient
Maybe W256
_ -> Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg Int
pc' String
"unexpected return value from precompile" [Expr 'EWord
x]
[Expr 'EWord]
_ -> EVM ()
underrun
Maybe VMResult
_ -> forall (f :: * -> *) a. Applicative f => a -> f a
pure ()
executePrecompile
:: (?op :: Word8)
=> Addr
-> Word64 -> W256 -> W256 -> W256 -> W256 -> [Expr EWord]
-> EVM ()
executePrecompile :: (?op::Word8) =>
Addr
-> Word64
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> EVM ()
executePrecompile Addr
preCompileAddr Word64
gasCap W256
inOffset W256
inSize W256
outOffset W256
outSize [Expr 'EWord]
xs = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let input :: Expr 'Buf
input = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory (W256 -> Expr 'EWord
Lit W256
inOffset) (W256 -> Expr 'EWord
Lit W256
inSize) VM
vm
fees :: FeeSchedule Word64
fees = VM
vm._block._schedule
cost :: Word64
cost = FeeSchedule Word64 -> Addr -> Expr 'Buf -> Word64
costOfPrecompile FeeSchedule Word64
fees Addr
preCompileAddr Expr 'Buf
input
notImplemented :: EVM ()
notImplemented = forall a. HasCallStack => String -> a
error forall a b. (a -> b) -> a -> b
$ String
"precompile at address " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show Addr
preCompileAddr forall a. Semigroup a => a -> a -> a
<> String
" not yet implemented"
precompileFail :: EVM ()
precompileFail = Word64 -> EVM () -> EVM ()
burn (Word64
gasCap forall a. Num a => a -> a -> a
- Word64
cost) forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace Error
PrecompileFailure
(?op::Word8) => EVM ()
next
if Word64
cost forall a. Ord a => a -> a -> Bool
> Word64
gasCap then
Word64 -> EVM () -> EVM ()
burn Word64
gasCap forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
(?op::Word8) => EVM ()
next
else
Word64 -> EVM () -> EVM ()
burn Word64
cost forall a b. (a -> b) -> a -> b
$
case Addr
preCompileAddr of
Addr
0x1 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"ECRECOVER" forall a b. (a -> b) -> a -> b
$ \ByteString
input' -> do
case Int -> ByteString -> Int -> Maybe ByteString
EVM.Precompiled.execute Int
0x1 (Int -> ByteString -> ByteString
truncpadlit Int
128 ByteString
input') Int
32 of
Maybe ByteString
Nothing -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
(?op::Word8) => EVM ()
next
Just ByteString
output -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) (ByteString -> Expr 'Buf
ConcreteBuf ByteString
output)
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory (ByteString -> Expr 'Buf
ConcreteBuf ByteString
output) (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x2 -> Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"SHA2-256" forall a b. (a -> b) -> a -> b
$ \ByteString
input' -> do
let
hash :: Expr 'Buf
hash = forall {ba}. ByteArrayAccess ba => ba -> Expr 'Buf
sha256Buf ByteString
input'
sha256Buf :: ba -> Expr 'Buf
sha256Buf ba
x = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ forall bin bout.
(ByteArrayAccess bin, ByteArray bout) =>
bin -> bout
BA.convert (forall ba a.
(ByteArrayAccess ba, HashAlgorithm a) =>
ba -> Digest a
Crypto.hash ba
x :: Digest SHA256)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
hash
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
hash (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x3 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"RIPEMD160" forall a b. (a -> b) -> a -> b
$ \ByteString
input' ->
let
padding :: ByteString
padding = [Word8] -> ByteString
BS.pack forall a b. (a -> b) -> a -> b
$ forall a. Int -> a -> [a]
replicate Int
12 Word8
0
hash' :: ByteString
hash' = forall bin bout.
(ByteArrayAccess bin, ByteArray bout) =>
bin -> bout
BA.convert (forall ba a.
(ByteArrayAccess ba, HashAlgorithm a) =>
ba -> Digest a
Crypto.hash ByteString
input' :: Digest RIPEMD160)
hash :: Expr 'Buf
hash = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ ByteString
padding forall a. Semigroup a => a -> a -> a
<> ByteString
hash'
in do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
hash
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
hash (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x4 -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
input
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyCallBytesToMemory Expr 'Buf
input (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x5 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"MODEXP" forall a b. (a -> b) -> a -> b
$ \ByteString
input' ->
let
(W256
lenb, W256
lene, W256
lenm) = ByteString -> (W256, W256, W256)
parseModexpLength ByteString
input'
output :: Expr 'Buf
output = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$
if W256 -> W256 -> ByteString -> Bool
isZero (W256
96 forall a. Num a => a -> a -> a
+ W256
lenb forall a. Num a => a -> a -> a
+ W256
lene) W256
lenm ByteString
input'
then Int -> ByteString -> ByteString
truncpadlit (forall a b. (Integral a, Num b) => a -> b
num W256
lenm) (forall a. Integral a => a -> ByteString
asBE (Int
0 :: Int))
else
let
b :: Integer
b = ByteString -> Integer
asInteger forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice W256
96 W256
lenb ByteString
input'
e :: Integer
e = ByteString -> Integer
asInteger forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice (W256
96 forall a. Num a => a -> a -> a
+ W256
lenb) W256
lene ByteString
input'
m :: Integer
m = ByteString -> Integer
asInteger forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice (W256
96 forall a. Num a => a -> a -> a
+ W256
lenb forall a. Num a => a -> a -> a
+ W256
lene) W256
lenm ByteString
input'
in
Int -> ByteString -> ByteString
padLeft (forall a b. (Integral a, Num b) => a -> b
num W256
lenm) (forall a. Integral a => a -> ByteString
asBE (Integer -> Integer -> Integer -> Integer
expFast Integer
b Integer
e Integer
m))
in do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
output
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
output (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x6 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"ECADD" forall a b. (a -> b) -> a -> b
$ \ByteString
input' ->
case Int -> ByteString -> Int -> Maybe ByteString
EVM.Precompiled.execute Int
0x6 (Int -> ByteString -> ByteString
truncpadlit Int
128 ByteString
input') Int
64 of
Maybe ByteString
Nothing -> EVM ()
precompileFail
Just ByteString
output -> do
let truncpaddedOutput :: Expr 'Buf
truncpaddedOutput = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
truncpadlit Int
64 ByteString
output
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
truncpaddedOutput
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
truncpaddedOutput (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x7 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"ECMUL" forall a b. (a -> b) -> a -> b
$ \ByteString
input' ->
case Int -> ByteString -> Int -> Maybe ByteString
EVM.Precompiled.execute Int
0x7 (Int -> ByteString -> ByteString
truncpadlit Int
96 ByteString
input') Int
64 of
Maybe ByteString
Nothing -> EVM ()
precompileFail
Just ByteString
output -> do
let truncpaddedOutput :: Expr 'Buf
truncpaddedOutput = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
truncpadlit Int
64 ByteString
output
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
truncpaddedOutput
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
truncpaddedOutput (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x8 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"ECPAIR" forall a b. (a -> b) -> a -> b
$ \ByteString
input' ->
case Int -> ByteString -> Int -> Maybe ByteString
EVM.Precompiled.execute Int
0x8 ByteString
input' Int
32 of
Maybe ByteString
Nothing -> EVM ()
precompileFail
Just ByteString
output -> do
let truncpaddedOutput :: Expr 'Buf
truncpaddedOutput = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
truncpadlit Int
32 ByteString
output
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
truncpaddedOutput
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
truncpaddedOutput (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Addr
0x9 ->
Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf Expr 'Buf
input String
"BLAKE2" forall a b. (a -> b) -> a -> b
$ \ByteString
input' -> do
case (ByteString -> Int
BS.length ByteString
input', Word8
1 forall a. Ord a => a -> a -> Bool
>= HasCallStack => ByteString -> Word8
BS.last ByteString
input') of
(Int
213, Bool
True) -> case Int -> ByteString -> Int -> Maybe ByteString
EVM.Precompiled.execute Int
0x9 ByteString
input' Int
64 of
Just ByteString
output -> do
let truncpaddedOutput :: Expr 'Buf
truncpaddedOutput = ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
truncpadlit Int
64 ByteString
output
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
1 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
truncpaddedOutput
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
truncpaddedOutput (W256 -> Expr 'EWord
Lit W256
outSize) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
outOffset)
(?op::Word8) => EVM ()
next
Maybe ByteString
Nothing -> EVM ()
precompileFail
(Int, Bool)
_ -> EVM ()
precompileFail
Addr
_ -> EVM ()
notImplemented
truncpadlit :: Int -> ByteString -> ByteString
truncpadlit :: Int -> ByteString -> ByteString
truncpadlit Int
n ByteString
xs = if Int
m forall a. Ord a => a -> a -> Bool
> Int
n then Int -> ByteString -> ByteString
BS.take Int
n ByteString
xs
else ByteString -> ByteString -> ByteString
BS.append ByteString
xs (Int -> Word8 -> ByteString
BS.replicate (Int
n forall a. Num a => a -> a -> a
- Int
m) Word8
0)
where m :: Int
m = ByteString -> Int
BS.length ByteString
xs
lazySlice :: W256 -> W256 -> ByteString -> LS.ByteString
lazySlice :: W256 -> W256 -> ByteString -> ByteString
lazySlice W256
offset W256
size ByteString
bs =
let bs' :: ByteString
bs' = Int64 -> ByteString -> ByteString
LS.take (forall a b. (Integral a, Num b) => a -> b
num W256
size) (Int64 -> ByteString -> ByteString
LS.drop (forall a b. (Integral a, Num b) => a -> b
num W256
offset) (ByteString -> ByteString
fromStrict ByteString
bs))
in ByteString
bs' forall a. Semigroup a => a -> a -> a
<> Int64 -> Word8 -> ByteString
LS.replicate ((forall a b. (Integral a, Num b) => a -> b
num W256
size) forall a. Num a => a -> a -> a
- ByteString -> Int64
LS.length ByteString
bs') Word8
0
parseModexpLength :: ByteString -> (W256, W256, W256)
parseModexpLength :: ByteString -> (W256, W256, W256)
parseModexpLength ByteString
input =
let lenb :: W256
lenb = ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LS.toStrict forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice W256
0 W256
32 ByteString
input
lene :: W256
lene = ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LS.toStrict forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice W256
32 W256
64 ByteString
input
lenm :: W256
lenm = ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LS.toStrict forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice W256
64 W256
96 ByteString
input
in (W256
lenb, W256
lene, W256
lenm)
isZero :: W256 -> W256 -> ByteString -> Bool
isZero :: W256 -> W256 -> ByteString -> Bool
isZero W256
offset W256
size ByteString
bs =
(Word8 -> Bool) -> ByteString -> Bool
LS.all (forall a. Eq a => a -> a -> Bool
== Word8
0) forall a b. (a -> b) -> a -> b
$
Int64 -> ByteString -> ByteString
LS.take (forall a b. (Integral a, Num b) => a -> b
num W256
size) forall a b. (a -> b) -> a -> b
$
Int64 -> ByteString -> ByteString
LS.drop (forall a b. (Integral a, Num b) => a -> b
num W256
offset) forall a b. (a -> b) -> a -> b
$
ByteString -> ByteString
fromStrict ByteString
bs
asInteger :: LS.ByteString -> Integer
asInteger :: ByteString -> Integer
asInteger ByteString
xs = if ByteString
xs forall a. Eq a => a -> a -> Bool
== forall a. Monoid a => a
mempty then Integer
0
else Integer
256 forall a. Num a => a -> a -> a
* ByteString -> Integer
asInteger (HasCallStack => ByteString -> ByteString
LS.init ByteString
xs)
forall a. Num a => a -> a -> a
+ forall a b. (Integral a, Num b) => a -> b
num (HasCallStack => ByteString -> Word8
LS.last ByteString
xs)
noop :: Monad m => m ()
noop :: forall (m :: * -> *). Monad m => m ()
noop = forall (f :: * -> *) a. Applicative f => a -> f a
pure ()
pushTo :: MonadState s m => ASetter s s [a] [a] -> a -> m ()
pushTo :: forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo ASetter s s [a] [a]
f a
x = ASetter s s [a] [a]
f forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
%= (a
x :)
pushToSequence :: MonadState s m => ASetter s s (Seq a) (Seq a) -> a -> m ()
pushToSequence :: forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s (Seq a) (Seq a) -> a -> m ()
pushToSequence ASetter s s (Seq a) (Seq a)
f a
x = ASetter s s (Seq a) (Seq a)
f forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
%= (forall a. Seq a -> a -> Seq a
Seq.|> a
x)
getCodeLocation :: VM -> CodeLocation
getCodeLocation :: VM -> CodeLocation
getCodeLocation VM
vm = (VM
vm._state._contract, VM
vm._state._pc)
branch :: CodeLocation -> Expr EWord -> (Bool -> EVM ()) -> EVM ()
branch :: CodeLocation -> Expr 'EWord -> (Bool -> EVM ()) -> EVM ()
branch CodeLocation
loc Expr 'EWord
cond Bool -> EVM ()
continue = do
[Prop]
pathconds <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use Lens' VM [Prop]
constraints
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. Error -> VMResult
VMFailure forall b c a. (b -> c) -> (a -> b) -> a -> c
. Query -> Error
Query forall a b. (a -> b) -> a -> b
$ Expr 'EWord -> [Prop] -> (BranchCondition -> EVM ()) -> Query
PleaseAskSMT Expr 'EWord
cond [Prop]
pathconds BranchCondition -> EVM ()
choosePath
where
choosePath :: BranchCondition -> EVM ()
choosePath (Case Bool
v) = do forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall a. Maybe a
Nothing
forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo Lens' VM [Prop]
constraints forall a b. (a -> b) -> a -> b
$ if Bool
v then (Expr 'EWord
cond forall (a :: EType). Typeable a => Expr a -> Expr a -> Prop
./= (W256 -> Expr 'EWord
Lit W256
0)) else (Expr 'EWord
cond forall (a :: EType). Typeable a => Expr a -> Expr a -> Prop
.== (W256 -> Expr 'EWord
Lit W256
0))
Int
iteration <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM (Map CodeLocation Int)
iterations forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at CodeLocation
loc forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Eq a => a -> Iso' (Maybe a) a
non Int
0)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Cache
cache forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Cache (Map (CodeLocation, Int) Bool)
path forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at (CodeLocation
loc, Int
iteration)) (forall a. a -> Maybe a
Just Bool
v)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM (Map CodeLocation Int)
iterations forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at CodeLocation
loc) (forall a. a -> Maybe a
Just (Int
iteration forall a. Num a => a -> a -> a
+ Int
1))
Bool -> EVM ()
continue Bool
v
choosePath BranchCondition
Unknown = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. Error -> VMResult
VMFailure forall b c a. (b -> c) -> (a -> b) -> a -> c
. Choose -> Error
Choose forall b c a. (b -> c) -> (a -> b) -> a -> c
. Expr 'EWord -> (Bool -> EVM ()) -> Choose
PleaseChoosePath Expr 'EWord
cond forall a b. (a -> b) -> a -> b
$ BranchCondition -> EVM ()
choosePath forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> BranchCondition
Case
choosePath BranchCondition
Inconsistent = Error -> EVM ()
vmError Error
DeadPath
fetchAccount :: Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount :: Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
addr Contract -> EVM ()
continue =
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Just Contract
c -> Contract -> EVM ()
continue Contract
c
Maybe Contract
Nothing ->
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Cache
cache forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Cache (Map Addr Contract)
fetchedContracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Just Contract
c -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) (forall a. a -> Maybe a
Just Contract
c)
Contract -> EVM ()
continue Contract
c
Maybe Contract
Nothing -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. Error -> VMResult
VMFailure forall a b. (a -> b) -> a -> b
$ Query -> Error
Query forall a b. (a -> b) -> a -> b
$
Addr -> (Contract -> EVM ()) -> Query
PleaseFetchContract Addr
addr
(\Contract
c -> do forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Cache
cache forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Cache (Map Addr Contract)
fetchedContracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) (forall a. a -> Maybe a
Just Contract
c)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) (forall a. a -> Maybe a
Just Contract
c)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall a. Maybe a
Nothing
Contract -> EVM ()
continue Contract
c)
accessStorage
:: Addr
-> Expr EWord
-> (Expr EWord -> EVM ())
-> EVM ()
accessStorage :: Addr -> Expr 'EWord -> (Expr 'EWord -> EVM ()) -> EVM ()
accessStorage Addr
addr Expr 'EWord
slot Expr 'EWord -> EVM ()
continue = do
Expr 'Storage
store <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage)
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
addr) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Just Contract
c ->
case Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Maybe (Expr 'EWord)
readStorage (Addr -> Expr 'EWord
litAddr Addr
addr) Expr 'EWord
slot Expr 'Storage
store of
Just Expr 'EWord
x ->
Expr 'EWord -> EVM ()
continue Expr 'EWord
x
Maybe (Expr 'EWord)
Nothing ->
if Contract
c._external then
Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
slot String
"cannot read symbolic slots via RPC" forall a b. (a -> b) -> a -> b
$ \W256
litSlot -> do
Map W256 (Map W256 W256)
cachedStore <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Cache
cache forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Cache (Map W256 (Map W256 W256))
fetchedStorage)
case forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup (forall a b. (Integral a, Num b) => a -> b
num Addr
addr) Map W256 (Map W256 W256)
cachedStore forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup W256
litSlot of
Maybe W256
Nothing -> W256 -> EVM ()
mkQuery W256
litSlot
Just W256
val -> Expr 'EWord -> EVM ()
continue (W256 -> Expr 'EWord
Lit W256
val)
else do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage) (Expr 'EWord
-> Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Expr 'Storage
writeStorage (Addr -> Expr 'EWord
litAddr Addr
addr) Expr 'EWord
slot (W256 -> Expr 'EWord
Lit W256
0))
Expr 'EWord -> EVM ()
continue forall a b. (a -> b) -> a -> b
$ W256 -> Expr 'EWord
Lit W256
0
Maybe Contract
Nothing ->
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
addr forall a b. (a -> b) -> a -> b
$ \Contract
_ ->
Addr -> Expr 'EWord -> (Expr 'EWord -> EVM ()) -> EVM ()
accessStorage Addr
addr Expr 'EWord
slot Expr 'EWord -> EVM ()
continue
where
mkQuery :: W256 -> EVM ()
mkQuery W256
s = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. Error -> VMResult
VMFailure forall b c a. (b -> c) -> (a -> b) -> a -> c
. Query -> Error
Query forall a b. (a -> b) -> a -> b
$
Addr -> W256 -> (W256 -> EVM ()) -> Query
PleaseFetchSlot Addr
addr W256
s
(\W256
x -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Cache
cache forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Cache (Map W256 (Map W256 W256))
fetchedStorage forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix (forall a b. (Integral a, Num b) => a -> b
num Addr
addr)) (forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert W256
s W256
x)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage) (Expr 'EWord
-> Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Expr 'Storage
writeStorage (Addr -> Expr 'EWord
litAddr Addr
addr) Expr 'EWord
slot (W256 -> Expr 'EWord
Lit W256
x))
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall a. Maybe a
Nothing
Expr 'EWord -> EVM ()
continue (W256 -> Expr 'EWord
Lit W256
x))
accountExists :: Addr -> VM -> Bool
accountExists :: Addr -> VM -> Bool
accountExists Addr
addr VM
vm =
case forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Addr
addr VM
vm._env._contracts of
Just Contract
c -> Bool -> Bool
not (Contract -> Bool
accountEmpty Contract
c)
Maybe Contract
Nothing -> Bool
False
accountEmpty :: Contract -> Bool
accountEmpty :: Contract -> Bool
accountEmpty Contract
c =
case Contract
c._contractcode of
RuntimeCode (ConcreteRuntimeCode ByteString
"") -> Bool
True
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
b) -> forall (t :: * -> *) a. Foldable t => t a -> Bool
null Vector (Expr 'Byte)
b
ContractCode
_ -> Bool
False
Bool -> Bool -> Bool
&& Contract
c._nonce forall a. Eq a => a -> a -> Bool
== W256
0
Bool -> Bool -> Bool
&& Contract
c._balance forall a. Eq a => a -> a -> Bool
== W256
0
finalize :: EVM ()
finalize :: EVM ()
finalize = do
let
revertContracts :: EVM ()
revertContracts = forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState (Map Addr Contract)
txReversion) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
revertSubstate :: EVM ()
revertSubstate = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate) ([Addr]
-> [Addr]
-> Set Addr
-> Set (Addr, W256)
-> [(Addr, Word64)]
-> SubState
SubState forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty)
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use Lens' VM (Maybe VMResult)
result forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Maybe VMResult
Nothing ->
forall a. HasCallStack => String -> a
error String
"Finalising an unfinished tx."
Just (VMFailure (EVM.Revert Expr 'Buf
_)) -> do
EVM ()
revertContracts
EVM ()
revertSubstate
Just (VMFailure Error
_) -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas) Word64
0
EVM ()
revertContracts
EVM ()
revertSubstate
Just (VMSuccess Expr 'Buf
output) -> do
Int
pc' <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Int
pc)
Bool
creation <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState Bool
isCreate)
Addr
createe <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract)
Bool
createeExists <- (forall k a. Ord k => k -> Map k a -> Bool
Map.member Addr
createe) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
let onContractCode :: ContractCode -> EVM ()
onContractCode ContractCode
contractCode =
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
creation Bool -> Bool -> Bool
&& Bool
createeExists) forall a b. (a -> b) -> a -> b
$ Addr -> ContractCode -> EVM ()
replaceCode Addr
createe ContractCode
contractCode
case Expr 'Buf
output of
ConcreteBuf ByteString
bs ->
ContractCode -> EVM ()
onContractCode forall a b. (a -> b) -> a -> b
$ RuntimeCode -> ContractCode
RuntimeCode (ByteString -> RuntimeCode
ConcreteRuntimeCode ByteString
bs)
Expr 'Buf
_ ->
case Expr 'Buf -> Maybe (Vector (Expr 'Byte))
Expr.toList Expr 'Buf
output of
Maybe (Vector (Expr 'Byte))
Nothing ->
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg Int
pc' String
"runtime code cannot have an abstract lentgh" [Expr 'Buf
output]
Just Vector (Expr 'Byte)
ops ->
ContractCode -> EVM ()
onContractCode forall a b. (a -> b) -> a -> b
$ RuntimeCode -> ContractCode
RuntimeCode (Vector (Expr 'Byte) -> RuntimeCode
SymbolicRuntimeCode Vector (Expr 'Byte)
ops)
Addr
txOrigin <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState Addr
origin)
Word64
sumRefunds <- (forall (t :: * -> *) a. (Foldable t, Num a) => t a -> a
sum forall b c a. (b -> c) -> (a -> b) -> a -> c
. (forall a b. (a, b) -> b
snd <$>)) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [(Addr, Word64)]
refunds))
Addr
miner <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Block
block forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Block Addr
coinbase)
W256
blockReward <- forall a b. (Integral a, Num b) => a -> b
num forall b c a. (b -> c) -> (a -> b) -> a -> c
. (.r_block) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Block
block forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Block (FeeSchedule Word64)
schedule))
W256
gasPrice <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState W256
gasprice)
W256
priorityFee <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState W256
txPriorityFee)
Word64
gasLimit <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState Word64
txgaslimit)
Word64
gasRemaining <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
let
gasUsed :: Word64
gasUsed = Word64
gasLimit forall a. Num a => a -> a -> a
- Word64
gasRemaining
cappedRefund :: Word64
cappedRefund = forall a. Ord a => a -> a -> a
min (forall a. Integral a => a -> a -> a
quot Word64
gasUsed Word64
5) (forall a b. (Integral a, Num b) => a -> b
num Word64
sumRefunds)
originPay :: W256
originPay = (forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ Word64
gasRemaining forall a. Num a => a -> a -> a
+ Word64
cappedRefund) forall a. Num a => a -> a -> a
* W256
gasPrice
minerPay :: W256
minerPay = W256
priorityFee forall a. Num a => a -> a -> a
* (forall a b. (Integral a, Num b) => a -> b
num Word64
gasUsed)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. Ord k => (a -> a) -> k -> Map k a -> Map k a
Map.adjust (forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over Lens' Contract W256
balance (forall a. Num a => a -> a -> a
+ W256
originPay)) Addr
txOrigin)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. Ord k => (a -> a) -> k -> Map k a -> Map k a
Map.adjust (forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over Lens' Contract W256
balance (forall a. Num a => a -> a -> a
+ W256
minerPay)) Addr
miner)
Addr -> EVM ()
touchAccount Addr
miner
forall s (m :: * -> *) a.
MonadState s m =>
Getting (First a) s a -> m (Maybe a)
preuse (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
miner) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Maybe Contract
Nothing -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert Addr
miner (ContractCode -> Contract
initialContract (RuntimeCode -> ContractCode
EVM.RuntimeCode (ByteString -> RuntimeCode
ConcreteRuntimeCode ByteString
""))))
Just Contract
_ -> forall (m :: * -> *). Monad m => m ()
noop
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. Ord k => (a -> a) -> k -> Map k a -> Map k a
Map.adjust (forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over Lens' Contract W256
balance (forall a. Num a => a -> a -> a
+ W256
blockReward)) Addr
miner)
[Addr]
destroyedAddresses <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [Addr]
selfdestructs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. (k -> a -> Bool) -> Map k a -> Map k a
Map.filterWithKey (\Addr
k Contract
_ -> (Addr
k forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` [Addr]
destroyedAddresses)))
[Addr]
touchedAddresses <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [Addr]
touchedAccounts)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts)
(forall k a. (k -> a -> Bool) -> Map k a -> Map k a
Map.filterWithKey
(\Addr
k Contract
a -> Bool -> Bool
not ((Addr
k forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [Addr]
touchedAddresses) Bool -> Bool -> Bool
&& Contract -> Bool
accountEmpty Contract
a)))
loadContract :: Addr -> EVM ()
loadContract :: Addr -> EVM ()
loadContract Addr
target =
forall s (m :: * -> *) a.
MonadState s m =>
Getting (First a) s a -> m (Maybe a)
preuse (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
target forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract ContractCode
contractcode) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>=
\case
Maybe ContractCode
Nothing ->
forall a. HasCallStack => String -> a
error String
"Call target doesn't exist"
Just ContractCode
targetCode -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract) Addr
target
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState ContractCode
code) ContractCode
targetCode
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
codeContract) Addr
target
limitStack :: Int -> EVM () -> EVM ()
limitStack :: Int -> EVM () -> EVM ()
limitStack Int
n EVM ()
continue = do
[Expr 'EWord]
stk <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack)
if forall (t :: * -> *) a. Foldable t => t a -> Int
length [Expr 'EWord]
stk forall a. Num a => a -> a -> a
+ Int
n forall a. Ord a => a -> a -> Bool
> Int
1024
then Error -> EVM ()
vmError Error
EVM.StackLimitExceeded
else EVM ()
continue
notStatic :: EVM () -> EVM ()
notStatic :: EVM () -> EVM ()
notStatic EVM ()
continue = do
Bool
bad <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Bool
static)
if Bool
bad
then Error -> EVM ()
vmError Error
StateChangeWhileStatic
else EVM ()
continue
burn :: Word64 -> EVM () -> EVM ()
burn :: Word64 -> EVM () -> EVM ()
burn Word64
n EVM ()
continue = do
Word64
available <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas)
if Word64
n forall a. Ord a => a -> a -> Bool
<= Word64
available
then do
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas forall s (m :: * -> *) a.
(MonadState s m, Num a) =>
ASetter' s a -> a -> m ()
-= Word64
n
Lens' VM Word64
burned forall s (m :: * -> *) a.
(MonadState s m, Num a) =>
ASetter' s a -> a -> m ()
+= Word64
n
EVM ()
continue
else
Error -> EVM ()
vmError (Word64 -> Word64 -> Error
OutOfGas Word64
available Word64
n)
forceConcrete :: Expr EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete :: Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
n String
msg W256 -> EVM ()
continue = case Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n of
Maybe W256
Nothing -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
n]
Just W256
c -> W256 -> EVM ()
continue W256
c
forceConcrete2 :: (Expr EWord, Expr EWord) -> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 :: (Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
n,Expr 'EWord
m) String
msg (W256, W256) -> EVM ()
continue = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
m) of
(Just W256
c, Just W256
d) -> (W256, W256) -> EVM ()
continue (W256
c, W256
d)
(Maybe W256, Maybe W256)
_ -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
n, Expr 'EWord
m]
forceConcrete3 :: (Expr EWord, Expr EWord, Expr EWord) -> String -> ((W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete3 :: (Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete3 (Expr 'EWord
k,Expr 'EWord
n,Expr 'EWord
m) String
msg (W256, W256, W256) -> EVM ()
continue = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
k, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
m) of
(Just W256
c, Just W256
d, Just W256
f) -> (W256, W256, W256) -> EVM ()
continue (W256
c, W256
d, W256
f)
(Maybe W256, Maybe W256, Maybe W256)
_ -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
k, Expr 'EWord
n, Expr 'EWord
m]
forceConcrete4 :: (Expr EWord, Expr EWord, Expr EWord, Expr EWord) -> String -> ((W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete4 :: (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete4 (Expr 'EWord
k,Expr 'EWord
l,Expr 'EWord
n,Expr 'EWord
m) String
msg (W256, W256, W256, W256) -> EVM ()
continue = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
k, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
l, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
m) of
(Just W256
b, Just W256
c, Just W256
d, Just W256
f) -> (W256, W256, W256, W256) -> EVM ()
continue (W256
b, W256
c, W256
d, W256
f)
(Maybe W256, Maybe W256, Maybe W256, Maybe W256)
_ -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
k, Expr 'EWord
l, Expr 'EWord
n, Expr 'EWord
m]
forceConcrete5 :: (Expr EWord, Expr EWord, Expr EWord, Expr EWord, Expr EWord) -> String -> ((W256, W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete5 :: (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete5 (Expr 'EWord
k,Expr 'EWord
l,Expr 'EWord
m,Expr 'EWord
n,Expr 'EWord
o) String
msg (W256, W256, W256, W256, W256) -> EVM ()
continue = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
k, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
l, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
m, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
o) of
(Just W256
a, Just W256
b, Just W256
c, Just W256
d, Just W256
e) -> (W256, W256, W256, W256, W256) -> EVM ()
continue (W256
a, W256
b, W256
c, W256
d, W256
e)
(Maybe W256, Maybe W256, Maybe W256, Maybe W256, Maybe W256)
_ -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
k, Expr 'EWord
l, Expr 'EWord
m, Expr 'EWord
n, Expr 'EWord
o]
forceConcrete6 :: (Expr EWord, Expr EWord, Expr EWord, Expr EWord, Expr EWord, Expr EWord) -> String -> ((W256, W256, W256, W256, W256, W256) -> EVM ()) -> EVM ()
forceConcrete6 :: (Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord, Expr 'EWord,
Expr 'EWord)
-> String
-> ((W256, W256, W256, W256, W256, W256) -> EVM ())
-> EVM ()
forceConcrete6 (Expr 'EWord
k,Expr 'EWord
l,Expr 'EWord
m,Expr 'EWord
n,Expr 'EWord
o,Expr 'EWord
p) String
msg (W256, W256, W256, W256, W256, W256) -> EVM ()
continue = case (Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
k, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
l, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
m, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
n, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
o, Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
p) of
(Just W256
a, Just W256
b, Just W256
c, Just W256
d, Just W256
e, Just W256
f) -> (W256, W256, W256, W256, W256, W256) -> EVM ()
continue (W256
a, W256
b, W256
c, W256
d, W256
e, W256
f)
(Maybe W256, Maybe W256, Maybe W256, Maybe W256, Maybe W256,
Maybe W256)
_ -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'EWord
k, Expr 'EWord
l, Expr 'EWord
m, Expr 'EWord
n, Expr 'EWord
o, Expr 'EWord
p]
forceConcreteBuf :: Expr Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf :: Expr 'Buf -> String -> (ByteString -> EVM ()) -> EVM ()
forceConcreteBuf (ConcreteBuf ByteString
b) String
_ ByteString -> EVM ()
continue = ByteString -> EVM ()
continue ByteString
b
forceConcreteBuf Expr 'Buf
b String
msg ByteString -> EVM ()
_ = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
msg [Expr 'Buf
b]
refund :: Word64 -> EVM ()
refund :: Word64 -> EVM ()
refund Word64
n = do
Addr
self <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract)
forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [(Addr, Word64)]
refunds) (Addr
self, Word64
n)
unRefund :: Word64 -> EVM ()
unRefund :: Word64 -> EVM ()
unRefund Word64
n = do
Addr
self <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract)
[(Addr, Word64)]
refs <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [(Addr, Word64)]
refunds)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [(Addr, Word64)]
refunds)
(forall a. (a -> Bool) -> [a] -> [a]
filter (\(Addr
a,Word64
b) -> Bool -> Bool
not (Addr
a forall a. Eq a => a -> a -> Bool
== Addr
self Bool -> Bool -> Bool
&& Word64
b forall a. Eq a => a -> a -> Bool
== Word64
n)) [(Addr, Word64)]
refs)
touchAccount :: Addr -> EVM()
touchAccount :: Addr -> EVM ()
touchAccount = forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo ((Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate) forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [Addr]
touchedAccounts)
selfdestruct :: Addr -> EVM()
selfdestruct :: Addr -> EVM ()
selfdestruct = forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo ((Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate) forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [Addr]
selfdestructs)
accessAndBurn :: Addr -> EVM () -> EVM ()
accessAndBurn :: Addr -> EVM () -> EVM ()
accessAndBurn Addr
x EVM ()
cont = do
FeeSchedule {Word64
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
..} <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use ( Lens' VM Block
block forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Block (FeeSchedule Word64)
schedule )
Bool
acc <- Addr -> EVM Bool
accessAccountForGas Addr
x
let cost :: Word64
cost = if Bool
acc then Word64
g_warm_storage_read else Word64
g_cold_account_access
Word64 -> EVM () -> EVM ()
burn Word64
cost EVM ()
cont
accessAccountForGas :: Addr -> EVM Bool
accessAccountForGas :: Addr -> EVM Bool
accessAccountForGas Addr
addr = do
Set Addr
accessedAddrs <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState (Set Addr)
accessedAddresses)
let accessed :: Bool
accessed = forall a. Ord a => a -> Set a -> Bool
member Addr
addr Set Addr
accessedAddrs
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState (Set Addr)
accessedAddresses) (forall a. Ord a => a -> Set a -> Set a
insert Addr
addr Set Addr
accessedAddrs)
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
accessed
accessStorageForGas :: Addr -> Expr EWord -> EVM Bool
accessStorageForGas :: Addr -> Expr 'EWord -> EVM Bool
accessStorageForGas Addr
addr Expr 'EWord
key = do
Set (Addr, W256)
accessedStrkeys <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState (Set (Addr, W256))
accessedStorageKeys)
case Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
key of
Just W256
litword -> do
let accessed :: Bool
accessed = forall a. Ord a => a -> Set a -> Bool
member (Addr
addr, W256
litword) Set (Addr, W256)
accessedStrkeys
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState (Set (Addr, W256))
accessedStorageKeys) (forall a. Ord a => a -> Set a -> Set a
insert (Addr
addr, W256
litword) Set (Addr, W256)
accessedStrkeys)
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
accessed
Maybe W256
_ -> forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
cheatCode :: Addr
cheatCode :: Addr
cheatCode = forall a b. (Integral a, Num b) => a -> b
num (ByteString -> W256
keccak' ByteString
"hevm cheat code")
cheat
:: (?op :: Word8)
=> (W256, W256) -> (W256, W256)
-> EVM ()
cheat :: (?op::Word8) => (W256, W256) -> (W256, W256) -> EVM ()
cheat (W256
inOffset, W256
inSize) (W256
outOffset, W256
outSize) = do
Expr 'Buf
mem <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory)
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let
abi :: Expr 'EWord
abi = Int -> Expr 'EWord -> Expr 'Buf -> Expr 'EWord
readBytes Int
4 (W256 -> Expr 'EWord
Lit W256
inOffset) Expr 'Buf
mem
input :: Expr 'Buf
input = Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory (W256 -> Expr 'EWord
Lit forall a b. (a -> b) -> a -> b
$ W256
inOffset forall a. Num a => a -> a -> a
+ W256
4) (W256 -> Expr 'EWord
Lit forall a b. (a -> b) -> a -> b
$ W256
inSize forall a. Num a => a -> a -> a
- W256
4) VM
vm
case Expr 'EWord -> Maybe W256
maybeLitWord Expr 'EWord
abi of
Maybe W256
Nothing -> Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm._state._pc String
"symbolic cheatcode selector" [Expr 'EWord
abi]
Just (forall a b. (Integral a, Num b) => a -> b
fromIntegral -> Word32
abi') ->
case forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Word32
abi' Map Word32 CheatAction
cheatActions of
Maybe CheatAction
Nothing ->
Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode (forall a. a -> Maybe a
Just Word32
abi'))
Just CheatAction
action -> do
CheatAction
action (W256 -> Expr 'EWord
Lit W256
outOffset) (W256 -> Expr 'EWord
Lit W256
outSize) Expr 'Buf
input
(?op::Word8) => EVM ()
next
W256 -> EVM ()
push W256
1
type CheatAction = Expr EWord -> Expr EWord -> Expr Buf -> EVM ()
cheatActions :: Map Word32 CheatAction
cheatActions :: Map Word32 CheatAction
cheatActions =
forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList
[ forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"ffi(string[])" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
outOffset Expr 'EWord
outSize Expr 'Buf
input -> do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
if VM
vm._allowFFI then
case [AbiType] -> Expr 'Buf -> AbiVals
decodeBuf [AbiType -> AbiType
AbiArrayDynamicType AbiType
AbiStringType] Expr 'Buf
input of
CAbi [AbiValue]
valsArr -> case [AbiValue]
valsArr of
[AbiArrayDynamic AbiType
AbiStringType Vector AbiValue
strsV] ->
let
cmd :: [String]
cmd = forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap
(\case
(AbiString ByteString
a) -> Text -> String
unpack forall a b. (a -> b) -> a -> b
$ ByteString -> Text
decodeUtf8 ByteString
a
AbiValue
_ -> String
"")
(forall a. Vector a -> [a]
V.toList Vector AbiValue
strsV)
cont :: ByteString -> EVM ()
cont ByteString
bs = do
let encoded :: Expr 'Buf
encoded = ByteString -> Expr 'Buf
ConcreteBuf ByteString
bs
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
encoded
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
encoded Expr 'EWord
outSize (W256 -> Expr 'EWord
Lit W256
0) Expr 'EWord
outOffset
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall a. Maybe a
Nothing
in forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result (forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. Error -> VMResult
VMFailure forall b c a. (b -> c) -> (a -> b) -> a -> c
. Query -> Error
Query forall a b. (a -> b) -> a -> b
$ ([String] -> (ByteString -> EVM ()) -> Query
PleaseDoFFI [String]
cmd ByteString -> EVM ()
cont))
[AbiValue]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig)
AbiVals
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig)
else
let msg :: ByteString
msg = Text -> ByteString
encodeUtf8 Text
"ffi disabled: run again with --ffi if you want to allow tests to call external scripts"
in Error -> EVM ()
vmError forall b c a. (b -> c) -> (a -> b) -> a -> c
. Expr 'Buf -> Error
EVM.Revert forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> Expr 'Buf
ConcreteBuf forall a b. (a -> b) -> a -> b
$
Text -> AbiValue -> ByteString
abiMethod Text
"Error(string)" (Vector AbiValue -> AbiValue
AbiTuple forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. [a] -> Vector a
V.fromList forall a b. (a -> b) -> a -> b
$ [ByteString -> AbiValue
AbiString ByteString
msg]),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"warp(uint256)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
_ Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
1 Expr 'Buf
input of
[Expr 'EWord
x] -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Block
block forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Block (Expr 'EWord)
timestamp) Expr 'EWord
x
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"roll(uint256)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
_ Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
1 Expr 'Buf
input of
[Expr 'EWord
x] -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
x String
"cannot roll to a symbolic block number" (forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Block
block forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Block W256
number))
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"store(address,bytes32,bytes32)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
_ Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
3 Expr 'Buf
input of
[Expr 'EWord
a, Expr 'EWord
slot, Expr 'EWord
new] ->
Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
a String
"cannot store at a symbolic address" forall a b. (a -> b) -> a -> b
$ \(forall a b. (Integral a, Num b) => a -> b
num -> Addr
a') ->
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
a' forall a b. (a -> b) -> a -> b
$ \Contract
_ -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage) (Expr 'EWord
-> Expr 'EWord -> Expr 'EWord -> Expr 'Storage -> Expr 'Storage
writeStorage (Addr -> Expr 'EWord
litAddr Addr
a') Expr 'EWord
slot Expr 'EWord
new)
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"load(address,bytes32)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
outOffset Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
2 Expr 'Buf
input of
[Expr 'EWord
a, Expr 'EWord
slot] ->
Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
a String
"cannot load from a symbolic address" forall a b. (a -> b) -> a -> b
$ \(forall a b. (Integral a, Num b) => a -> b
num -> Addr
a') ->
Addr -> Expr 'EWord -> (Expr 'EWord -> EVM ()) -> EVM ()
accessStorage Addr
a' Expr 'EWord
slot forall a b. (a -> b) -> a -> b
$ \Expr 'EWord
res -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *).
Functor f =>
Expr 'EWord
-> (Expr 'EWord -> f (Expr 'EWord)) -> Expr 'Buf -> f (Expr 'Buf)
word256At (W256 -> Expr 'EWord
Lit W256
0)) Expr 'EWord
res
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *).
Functor f =>
Expr 'EWord
-> (Expr 'EWord -> f (Expr 'EWord)) -> Expr 'Buf -> f (Expr 'Buf)
word256At Expr 'EWord
outOffset) Expr 'EWord
res
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"sign(uint256,bytes32)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
outOffset Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
2 Expr 'Buf
input of
[Expr 'EWord
sk, Expr 'EWord
hash] ->
(Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
sk, Expr 'EWord
hash) String
"cannot sign symbolic data" forall a b. (a -> b) -> a -> b
$ \(W256
sk', W256
hash') -> let
curve :: Curve
curve = CurveName -> Curve
getCurveByName CurveName
SEC_p256k1
priv :: PrivateKey
priv = Curve -> Integer -> PrivateKey
PrivateKey Curve
curve (forall a b. (Integral a, Num b) => a -> b
num W256
sk')
digest :: Maybe (Digest Keccak_256)
digest = forall a ba.
(HashAlgorithm a, ByteArrayAccess ba) =>
ba -> Maybe (Digest a)
digestFromByteString (W256 -> ByteString
word256Bytes W256
hash')
in do
case Maybe (Digest Keccak_256)
digest of
Maybe (Digest Keccak_256)
Nothing -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig)
Just Digest Keccak_256
digest' -> do
let s :: Signature
s = PrivateKey -> Digest Keccak_256 -> Signature
ethsign PrivateKey
priv Digest Keccak_256
digest'
v :: Word256
v = Word256
28
encoded :: ByteString
encoded = AbiValue -> ByteString
encodeAbiValue forall a b. (a -> b) -> a -> b
$
Vector AbiValue -> AbiValue
AbiTuple (forall a. [a] -> Vector a
RegularVector.fromList
[ Int -> Word256 -> AbiValue
AbiUInt Int
8 Word256
v
, Int -> ByteString -> AbiValue
AbiBytes Int
32 (W256 -> ByteString
word256Bytes forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Num a => Integer -> a
fromInteger forall a b. (a -> b) -> a -> b
$ Signature -> Integer
sign_r Signature
s)
, Int -> ByteString -> AbiValue
AbiBytes Int
32 (W256 -> ByteString
word256Bytes forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Num a => Integer -> a
fromInteger forall a b. (a -> b) -> a -> b
$ Signature -> Integer
sign_s Signature
s)
])
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) (ByteString -> Expr 'Buf
ConcreteBuf ByteString
encoded)
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory (ByteString -> Expr 'Buf
ConcreteBuf ByteString
encoded) (W256 -> Expr 'EWord
Lit forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (Integral a, Num b) => a -> b
num forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> Int
BS.length forall a b. (a -> b) -> a -> b
$ ByteString
encoded) (W256 -> Expr 'EWord
Lit W256
0) Expr 'EWord
outOffset
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"addr(uint256)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
outOffset Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
1 Expr 'Buf
input of
[Expr 'EWord
sk] -> Expr 'EWord -> String -> (W256 -> EVM ()) -> EVM ()
forceConcrete Expr 'EWord
sk String
"cannot derive address for a symbolic key" forall a b. (a -> b) -> a -> b
$ \W256
sk' -> let
curve :: Curve
curve = CurveName -> Curve
getCurveByName CurveName
SEC_p256k1
pubPoint :: Point
pubPoint = Curve -> Integer -> Point
generateQ Curve
curve (forall a b. (Integral a, Num b) => a -> b
num W256
sk')
encodeInt :: Integer -> ByteString
encodeInt = AbiValue -> ByteString
encodeAbiValue forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> Word256 -> AbiValue
AbiUInt Int
256 forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Num a => Integer -> a
fromInteger
in do
case Point
pubPoint of
Point
PointO -> do Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig)
Point Integer
x Integer
y -> do
let
pub :: ByteString
pub = [ByteString] -> ByteString
BS.concat [ Integer -> ByteString
encodeInt Integer
x, Integer -> ByteString
encodeInt Integer
y ]
addr :: Expr 'EWord
addr = W256 -> Expr 'EWord
Lit forall b c a. (b -> c) -> (a -> b) -> a -> c
. Word256 -> W256
W256 forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> Word256
word256 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> ByteString -> ByteString
BS.drop Int
12 forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> ByteString -> ByteString
BS.take Int
32 forall b c a. (b -> c) -> (a -> b) -> a -> c
. ByteString -> ByteString
keccakBytes forall a b. (a -> b) -> a -> b
$ ByteString
pub
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *).
Functor f =>
Expr 'EWord
-> (Expr 'EWord -> f (Expr 'EWord)) -> Expr 'Buf -> f (Expr 'Buf)
word256At (W256 -> Expr 'EWord
Lit W256
0)) Expr 'EWord
addr
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *).
Functor f =>
Expr 'EWord
-> (Expr 'EWord -> f (Expr 'EWord)) -> Expr 'Buf -> f (Expr 'Buf)
word256At Expr 'EWord
outOffset) Expr 'EWord
addr
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig),
forall {b}. ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
"prank(address)" forall a b. (a -> b) -> a -> b
$
\Maybe Word32
sig Expr 'EWord
_ Expr 'EWord
_ Expr 'Buf
input -> case Int -> Int -> Expr 'Buf -> [Expr 'EWord]
decodeStaticArgs Int
0 Int
1 Expr 'Buf
input of
[Expr 'EWord
addr] -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe (Expr 'EWord))
overrideCaller (forall a. a -> Maybe a
Just Expr 'EWord
addr)
[Expr 'EWord]
_ -> Error -> EVM ()
vmError (Maybe Word32 -> Error
BadCheatCode Maybe Word32
sig)
]
where
action :: ByteString -> (Maybe Word32 -> b) -> (Word32, b)
action ByteString
s Maybe Word32 -> b
f = (ByteString -> Word32
abiKeccak ByteString
s, Maybe Word32 -> b
f (forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ ByteString -> Word32
abiKeccak ByteString
s))
ethsign :: PrivateKey -> Digest Crypto.Keccak_256 -> Signature
ethsign :: PrivateKey -> Digest Keccak_256 -> Signature
ethsign PrivateKey
sk Digest Keccak_256
digest = Integer -> Signature
go Integer
420
where
go :: Integer -> Signature
go Integer
k = case forall hash.
HashAlgorithm hash =>
Integer -> PrivateKey -> Digest hash -> Maybe Signature
signDigestWith Integer
k PrivateKey
sk Digest Keccak_256
digest of
Maybe Signature
Nothing -> Integer -> Signature
go (Integer
k forall a. Num a => a -> a -> a
+ Integer
1)
Just Signature
sig -> Signature
sig
delegateCall
:: (?op :: Word8)
=> Contract -> Word64 -> Expr EWord -> Expr EWord -> W256 -> W256 -> W256 -> W256 -> W256
-> [Expr EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall :: (?op::Word8) =>
Contract
-> Word64
-> Expr 'EWord
-> Expr 'EWord
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Addr -> EVM ())
-> EVM ()
delegateCall Contract
this Word64
gasGiven Expr 'EWord
xTo Expr 'EWord
xContext W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs Addr -> EVM ()
continue =
(Expr 'EWord, Expr 'EWord)
-> String -> ((W256, W256) -> EVM ()) -> EVM ()
forceConcrete2 (Expr 'EWord
xTo, Expr 'EWord
xContext) String
"cannot delegateCall with symbolic target or context" forall a b. (a -> b) -> a -> b
$
\((forall a b. (Integral a, Num b) => a -> b
num -> Addr
xTo'), (forall a b. (Integral a, Num b) => a -> b
num -> Addr
xContext')) ->
if Addr
xTo' forall a. Ord a => a -> a -> Bool
> Addr
0 Bool -> Bool -> Bool
&& Addr
xTo' forall a. Ord a => a -> a -> Bool
<= Addr
9
then (?op::Word8) =>
Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> EVM ()
precompiledContract Contract
this Word64
gasGiven Addr
xTo' Addr
xContext' W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs
else if Addr
xTo' forall a. Eq a => a -> a -> Bool
== Addr
cheatCode then
do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) [Expr 'EWord]
xs
(?op::Word8) => (W256, W256) -> (W256, W256) -> EVM ()
cheat (W256
xInOffset, W256
xInSize) (W256
xOutOffset, W256
xOutSize)
else
(?op::Word8) =>
Contract
-> Word64
-> Addr
-> Addr
-> W256
-> W256
-> W256
-> W256
-> W256
-> [Expr 'EWord]
-> (Word64 -> EVM ())
-> EVM ()
callChecks Contract
this Word64
gasGiven Addr
xContext' Addr
xTo' W256
xValue W256
xInOffset W256
xInSize W256
xOutOffset W256
xOutSize [Expr 'EWord]
xs forall a b. (a -> b) -> a -> b
$
\Word64
xGas -> do
VM
vm0 <- forall s (m :: * -> *). MonadState s m => m s
get
Addr -> (Contract -> EVM ()) -> EVM ()
fetchAccount Addr
xTo' forall a b. (a -> b) -> a -> b
$ \Contract
target ->
Word64 -> EVM () -> EVM ()
burn Word64
xGas forall a b. (a -> b) -> a -> b
$ do
let newContext :: FrameContext
newContext = CallContext
{ $sel:callContextTarget:CreationContext :: Addr
callContextTarget = Addr
xTo'
, $sel:callContextContext:CreationContext :: Addr
callContextContext = Addr
xContext'
, $sel:callContextOffset:CreationContext :: W256
callContextOffset = W256
xOutOffset
, $sel:callContextSize:CreationContext :: W256
callContextSize = W256
xOutSize
, $sel:callContextCodehash:CreationContext :: Expr 'EWord
callContextCodehash = Contract
target._codehash
, $sel:callContextReversion:CreationContext :: (Map Addr Contract, Expr 'Storage)
callContextReversion = (VM
vm0._env._contracts, VM
vm0._env._storage)
, $sel:callContextSubState:CreationContext :: SubState
callContextSubState = VM
vm0._tx._substate
, $sel:callContextAbi:CreationContext :: Maybe W256
callContextAbi =
if W256
xInSize forall a. Ord a => a -> a -> Bool
>= W256
4
then case Expr 'EWord -> Maybe W256
unlit forall a b. (a -> b) -> a -> b
$ Int -> Expr 'EWord -> Expr 'Buf -> Expr 'EWord
readBytes Int
4 (W256 -> Expr 'EWord
Lit W256
xInOffset) VM
vm0._state._memory
of Maybe W256
Nothing -> forall a. Maybe a
Nothing
Just W256
abi -> forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ forall a b. (Integral a, Num b) => a -> b
num W256
abi
else forall a. Maybe a
Nothing
, $sel:callContextData:CreationContext :: Expr 'Buf
callContextData = (Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory (W256 -> Expr 'EWord
Lit W256
xInOffset) (W256 -> Expr 'EWord
Lit W256
xInSize) VM
vm0)
}
TraceData -> EVM ()
pushTrace (FrameContext -> TraceData
FrameTrace FrameContext
newContext)
(?op::Word8) => EVM ()
next
VM
vm1 <- forall s (m :: * -> *). MonadState s m => m s
get
forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo Lens' VM [Frame]
frames forall a b. (a -> b) -> a -> b
$ Frame
{ $sel:_frameState:Frame :: FrameState
_frameState = VM
vm1._state { $sel:_stack:FrameState :: [Expr 'EWord]
_stack = [Expr 'EWord]
xs }
, $sel:_frameContext:Frame :: FrameContext
_frameContext = FrameContext
newContext
}
let clearInitCode :: ContractCode -> ContractCode
clearInitCode = \case
(InitCode ByteString
_ Expr 'Buf
_) -> ByteString -> Expr 'Buf -> ContractCode
InitCode forall a. Monoid a => a
mempty forall a. Monoid a => a
mempty
ContractCode
a -> ContractCode
a
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom Lens' VM FrameState
state forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Word64
gas (forall a b. (Integral a, Num b) => a -> b
num Word64
xGas)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Int
pc Int
0
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState ContractCode
code (ContractCode -> ContractCode
clearInitCode Contract
target._contractcode)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Addr
codeContract Addr
xTo'
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState [Expr 'EWord]
stack forall a. Monoid a => a
mempty
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'Buf)
memory forall a. Monoid a => a
mempty
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState Word64
memorySize Word64
0
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'Buf)
returndata forall a. Monoid a => a
mempty
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' FrameState (Expr 'Buf)
calldata (Expr 'EWord
-> Expr 'EWord
-> Expr 'EWord
-> Expr 'Buf
-> Expr 'Buf
-> Expr 'Buf
copySlice (W256 -> Expr 'EWord
Lit W256
xInOffset) (W256 -> Expr 'EWord
Lit W256
0) (W256 -> Expr 'EWord
Lit W256
xInSize) VM
vm0._state._memory forall a. Monoid a => a
mempty)
Addr -> EVM ()
continue Addr
xTo'
collision :: Maybe Contract -> Bool
collision :: Maybe Contract -> Bool
collision Maybe Contract
c' = case Maybe Contract
c' of
Just Contract
c -> Contract
c._nonce forall a. Eq a => a -> a -> Bool
/= W256
0 Bool -> Bool -> Bool
|| case Contract
c._contractcode of
RuntimeCode (ConcreteRuntimeCode ByteString
"") -> Bool
False
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
b) -> Bool -> Bool
not forall a b. (a -> b) -> a -> b
$ forall (t :: * -> *) a. Foldable t => t a -> Bool
null Vector (Expr 'Byte)
b
ContractCode
_ -> Bool
True
Maybe Contract
Nothing -> Bool
False
create :: (?op :: Word8)
=> Addr -> Contract
-> Word64 -> W256 -> [Expr EWord] -> Addr -> Expr Buf -> EVM ()
create :: (?op::Word8) =>
Addr
-> Contract
-> Word64
-> W256
-> [Expr 'EWord]
-> Addr
-> Expr 'Buf
-> EVM ()
create Addr
self Contract
this Word64
xGas' W256
xValue [Expr 'EWord]
xs Addr
newAddr Expr 'Buf
initCode = do
VM
vm0 <- forall s (m :: * -> *). MonadState s m => m s
get
let xGas :: Word64
xGas = forall a b. (Integral a, Num b) => a -> b
num Word64
xGas'
if Contract
this._nonce forall a. Eq a => a -> a -> Bool
== forall a b. (Integral a, Num b) => a -> b
num (forall a. Bounded a => a
maxBound :: Word64)
then do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace Error
NonceOverflow
(?op::Word8) => EVM ()
next
else if W256
xValue forall a. Ord a => a -> a -> Bool
> Contract
this._balance
then do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> Error
BalanceTooLow W256
xValue Contract
this._balance
(?op::Word8) => EVM ()
next
else if forall (t :: * -> *) a. Foldable t => t a -> Int
length VM
vm0._frames forall a. Ord a => a -> a -> Bool
>= Int
1024
then do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
TraceData -> EVM ()
pushTrace forall a b. (a -> b) -> a -> b
$ Error -> TraceData
ErrorTrace Error
CallDepthLimitReached
(?op::Word8) => EVM ()
next
else if Maybe Contract -> Bool
collision forall a b. (a -> b) -> a -> b
$ forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Addr
newAddr VM
vm0._env._contracts
then Word64 -> EVM () -> EVM ()
burn Word64
xGas forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) (W256 -> Expr 'EWord
Lit W256
0 forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
self forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
nonce) forall a. Enum a => a -> a
succ
(?op::Word8) => EVM ()
next
else Word64 -> EVM () -> EVM ()
burn Word64
xGas forall a b. (a -> b) -> a -> b
$ do
Addr -> EVM ()
touchAccount Addr
self
Addr -> EVM ()
touchAccount Addr
newAddr
let
let contract' :: Maybe ContractCode
contract' = do
Integer
prefixLen <- Expr 'Buf -> Maybe Integer
Expr.concPrefix Expr 'Buf
initCode
Vector (Expr 'Byte)
prefix <- Expr 'Buf -> Maybe (Vector (Expr 'Byte))
Expr.toList forall a b. (a -> b) -> a -> b
$ W256 -> Expr 'Buf -> Expr 'Buf
Expr.take (forall a b. (Integral a, Num b) => a -> b
num Integer
prefixLen) Expr 'Buf
initCode
let sym :: Expr 'Buf
sym = W256 -> Expr 'Buf -> Expr 'Buf
Expr.drop (forall a b. (Integral a, Num b) => a -> b
num Integer
prefixLen) Expr 'Buf
initCode
Vector Word8
conc <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Expr 'Byte -> Maybe Word8
unlitByte Vector (Expr 'Byte)
prefix
forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ ByteString -> Expr 'Buf -> ContractCode
InitCode ([Word8] -> ByteString
BS.pack forall a b. (a -> b) -> a -> b
$ forall a. Vector a -> [a]
V.toList Vector Word8
conc) Expr 'Buf
sym
case Maybe ContractCode
contract' of
Maybe ContractCode
Nothing ->
Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$ forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg VM
vm0._state._pc String
"initcode must have a concrete prefix" []
Just ContractCode
c -> do
let
newContract :: Contract
newContract = ContractCode -> Contract
initialContract ContractCode
c
newContext :: FrameContext
newContext =
CreationContext { $sel:creationContextAddress:CreationContext :: Addr
creationContextAddress = Addr
newAddr
, $sel:creationContextCodehash:CreationContext :: Expr 'EWord
creationContextCodehash = Contract
newContract._codehash
, $sel:creationContextReversion:CreationContext :: Map Addr Contract
creationContextReversion = VM
vm0._env._contracts
, $sel:creationContextSubstate:CreationContext :: SubState
creationContextSubstate = VM
vm0._tx._substate
}
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts) forall a b. (a -> b) -> a -> b
$ do
Maybe (IxValue (Map Addr Contract))
oldAcc <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
newAddr)
let oldBal :: W256
oldBal = forall b a. b -> (a -> b) -> Maybe a -> b
maybe W256
0 (._balance) Maybe (IxValue (Map Addr Contract))
oldAcc
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
newAddr) (forall a. a -> Maybe a
Just (Contract
newContract forall a b. a -> (a -> b) -> b
& Lens' Contract W256
balance forall s t a b. ASetter s t a b -> b -> s -> t
.~ W256
oldBal))
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
self forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract W256
nonce) forall a. Enum a => a -> a
succ
let resetStorage :: Expr 'Storage -> Expr 'Storage
resetStorage = \case
ConcreteStore Map W256 (Map W256 W256)
s -> Map W256 (Map W256 W256) -> Expr 'Storage
ConcreteStore (forall k a. Ord k => k -> Map k a -> Map k a
Map.delete (forall a b. (Integral a, Num b) => a -> b
num Addr
newAddr) Map W256 (Map W256 W256)
s)
Expr 'Storage
AbstractStore -> Expr 'Storage
AbstractStore
Expr 'Storage
EmptyStore -> Expr 'Storage
EmptyStore
SStore {} -> forall a. HasCallStack => String -> a
error String
"trying to reset symbolic storage with writes in create"
GVar GVar 'Storage
_ -> forall a. HasCallStack => String -> a
error String
"unexpected global variable"
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage) Expr 'Storage -> Expr 'Storage
resetStorage
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map W256 (Map W256 W256))
origStorage) (forall k a. Ord k => k -> Map k a -> Map k a
Map.delete (forall a b. (Integral a, Num b) => a -> b
num Addr
newAddr))
Addr -> Addr -> W256 -> EVM ()
transfer Addr
self Addr
newAddr W256
xValue
TraceData -> EVM ()
pushTrace (FrameContext -> TraceData
FrameTrace FrameContext
newContext)
(?op::Word8) => EVM ()
next
VM
vm1 <- forall s (m :: * -> *). MonadState s m => m s
get
forall s (m :: * -> *) a.
MonadState s m =>
ASetter s s [a] [a] -> a -> m ()
pushTo Lens' VM [Frame]
frames forall a b. (a -> b) -> a -> b
$ Frame
{ $sel:_frameContext:Frame :: FrameContext
_frameContext = FrameContext
newContext
, $sel:_frameState:Frame :: FrameState
_frameState = VM
vm1._state { $sel:_stack:FrameState :: [Expr 'EWord]
_stack = [Expr 'EWord]
xs }
}
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM FrameState
state forall a b. (a -> b) -> a -> b
$
FrameState
blankState
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState Addr
contract Addr
newAddr
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState Addr
codeContract Addr
newAddr
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState ContractCode
code ContractCode
c
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState (Expr 'EWord)
callvalue (W256 -> Expr 'EWord
Lit W256
xValue)
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState (Expr 'EWord)
caller (Addr -> Expr 'EWord
litAddr Addr
self)
forall a b. a -> (a -> b) -> b
& forall s t a b. ASetter s t a b -> b -> s -> t
set Lens' FrameState Word64
gas Word64
xGas'
replaceCode :: Addr -> ContractCode -> EVM ()
replaceCode :: Addr -> ContractCode -> EVM ()
replaceCode Addr
target ContractCode
newCode =
forall (m :: * -> *) (n :: * -> *) s t c.
Zoom m n s t =>
LensLike' (Zoomed m c) t s -> m c -> n c
zoom (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. At m => Index m -> Lens' m (Maybe (IxValue m))
at Addr
target) forall a b. (a -> b) -> a -> b
$
forall s (m :: * -> *). MonadState s m => m s
get forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Just Contract
now -> case Contract
now._contractcode of
InitCode ByteString
_ Expr 'Buf
_ ->
forall s (m :: * -> *). MonadState s m => s -> m ()
put forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$
(ContractCode -> Contract
initialContract ContractCode
newCode)
{ $sel:_balance:Contract :: W256
_balance = Contract
now._balance
, $sel:_nonce:Contract :: W256
_nonce = Contract
now._nonce
}
RuntimeCode RuntimeCode
_ ->
forall a. HasCallStack => String -> a
error (String
"internal error: can't replace code of deployed contract " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show Addr
target)
Maybe Contract
Nothing ->
forall a. HasCallStack => String -> a
error String
"internal error: can't replace code of nonexistent contract"
replaceCodeOfSelf :: ContractCode -> EVM ()
replaceCodeOfSelf :: ContractCode -> EVM ()
replaceCodeOfSelf ContractCode
newCode = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
Addr -> ContractCode -> EVM ()
replaceCode VM
vm._state._contract ContractCode
newCode
resetState :: EVM ()
resetState :: EVM ()
resetState = do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall a. Maybe a
Nothing
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM [Frame]
frames []
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM FrameState
state FrameState
blankState
vmError :: Error -> EVM ()
vmError :: Error -> EVM ()
vmError Error
e = FrameResult -> EVM ()
finishFrame (Error -> FrameResult
FrameErrored Error
e)
underrun :: EVM ()
underrun :: EVM ()
underrun = Error -> EVM ()
vmError Error
EVM.StackUnderrun
data FrameResult
= FrameReturned (Expr Buf)
| FrameReverted (Expr Buf)
| FrameErrored Error
deriving Int -> FrameResult -> ShowS
[FrameResult] -> ShowS
FrameResult -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FrameResult] -> ShowS
$cshowList :: [FrameResult] -> ShowS
show :: FrameResult -> String
$cshow :: FrameResult -> String
showsPrec :: Int -> FrameResult -> ShowS
$cshowsPrec :: Int -> FrameResult -> ShowS
Show
finishFrame :: FrameResult -> EVM ()
finishFrame :: FrameResult -> EVM ()
finishFrame FrameResult
how = do
VM
oldVm <- forall s (m :: * -> *). MonadState s m => m s
get
case VM
oldVm._frames of
[] -> do
case FrameResult
how of
FrameReturned Expr 'Buf
output -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ Expr 'Buf -> VMResult
VMSuccess Expr 'Buf
output
FrameReverted Expr 'Buf
buffer -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ Error -> VMResult
VMFailure (Expr 'Buf -> Error
EVM.Revert Expr 'Buf
buffer)
FrameErrored Error
e -> forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM (Maybe VMResult)
result forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ Error -> VMResult
VMFailure Error
e
EVM ()
finalize
Frame
nextFrame : [Frame]
remainingFrames -> do
TraceData -> EVM ()
insertTrace forall a b. (a -> b) -> a -> b
$
case FrameResult
how of
FrameErrored Error
e ->
Error -> TraceData
ErrorTrace Error
e
FrameReverted Expr 'Buf
e ->
Error -> TraceData
ErrorTrace (Expr 'Buf -> Error
EVM.Revert Expr 'Buf
e)
FrameReturned Expr 'Buf
output ->
Expr 'Buf -> FrameContext -> TraceData
ReturnTrace Expr 'Buf
output Frame
nextFrame._frameContext
EVM ()
popTrace
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM [Frame]
frames [Frame]
remainingFrames
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign Lens' VM FrameState
state Frame
nextFrame._frameState
let remainingGas :: Word64
remainingGas = VM
oldVm._state._gas
reclaimRemainingGasAllowance :: EVM ()
reclaimRemainingGasAllowance = do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying Lens' VM Word64
burned (forall a. Num a => a -> a -> a
subtract Word64
remainingGas)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
gas) (forall a. Num a => a -> a -> a
+ Word64
remainingGas)
case Frame
nextFrame._frameContext of
CallContext Addr
_ Addr
_ (W256 -> Expr 'EWord
Lit -> Expr 'EWord
outOffset) (W256 -> Expr 'EWord
Lit -> Expr 'EWord
outSize) Expr 'EWord
_ Maybe W256
_ Expr 'Buf
_ (Map Addr Contract, Expr 'Storage)
reversion SubState
substate' -> do
[Addr]
touched <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' SubState [Addr]
touchedAccounts)
let
substate'' :: SubState
substate'' = forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over Lens' SubState [Addr]
touchedAccounts (forall b a. b -> (a -> b) -> Maybe a -> b
maybe forall a. a -> a
id forall s a. Cons s s a a => a -> s -> s
cons (forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find (Addr
3 ==) [Addr]
touched)) SubState
substate'
(Map Addr Contract
contractsReversion, Expr 'Storage
storageReversion) = (Map Addr Contract, Expr 'Storage)
reversion
revertContracts :: EVM ()
revertContracts = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts) Map Addr Contract
contractsReversion
revertStorage :: EVM ()
revertStorage = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Expr 'Storage)
storage) Expr 'Storage
storageReversion
revertSubstate :: EVM ()
revertSubstate = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate) SubState
substate''
case FrameResult
how of
FrameReturned Expr 'Buf
output -> do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
output
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyCallBytesToMemory Expr 'Buf
output Expr 'EWord
outSize (W256 -> Expr 'EWord
Lit W256
0) Expr 'EWord
outOffset
EVM ()
reclaimRemainingGasAllowance
W256 -> EVM ()
push W256
1
FrameReverted Expr 'Buf
output -> do
EVM ()
revertContracts
EVM ()
revertStorage
EVM ()
revertSubstate
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
output
Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyCallBytesToMemory Expr 'Buf
output Expr 'EWord
outSize (W256 -> Expr 'EWord
Lit W256
0) Expr 'EWord
outOffset
EVM ()
reclaimRemainingGasAllowance
W256 -> EVM ()
push W256
0
FrameErrored Error
_ -> do
EVM ()
revertContracts
EVM ()
revertStorage
EVM ()
revertSubstate
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
W256 -> EVM ()
push W256
0
CreationContext Addr
_ Expr 'EWord
_ Map Addr Contract
reversion SubState
substate' -> do
Addr
creator <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
contract)
let
createe :: Addr
createe = VM
oldVm._state._contract
revertContracts :: EVM ()
revertContracts = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts) Map Addr Contract
reversion'
revertSubstate :: EVM ()
revertSubstate = forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM TxState
tx forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' TxState SubState
substate) SubState
substate'
reversion' :: Map Addr Contract
reversion' = (forall k a. Ord k => (a -> a) -> k -> Map k a -> Map k a
Map.adjust (forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over Lens' Contract W256
nonce (forall a. Num a => a -> a -> a
+ W256
1)) Addr
creator) Map Addr Contract
reversion
case FrameResult
how of
FrameReturned Expr 'Buf
output -> do
let onContractCode :: ContractCode -> EVM ()
onContractCode ContractCode
contractCode = do
Addr -> ContractCode -> EVM ()
replaceCode Addr
createe ContractCode
contractCode
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
EVM ()
reclaimRemainingGasAllowance
W256 -> EVM ()
push (forall a b. (Integral a, Num b) => a -> b
num Addr
createe)
case Expr 'Buf
output of
ConcreteBuf ByteString
bs ->
ContractCode -> EVM ()
onContractCode forall a b. (a -> b) -> a -> b
$ RuntimeCode -> ContractCode
RuntimeCode (ByteString -> RuntimeCode
ConcreteRuntimeCode ByteString
bs)
Expr 'Buf
_ ->
case Expr 'Buf -> Maybe (Vector (Expr 'Byte))
Expr.toList Expr 'Buf
output of
Maybe (Vector (Expr 'Byte))
Nothing -> Error -> EVM ()
vmError forall a b. (a -> b) -> a -> b
$
forall (a :: EType). Int -> String -> [Expr a] -> Error
UnexpectedSymbolicArg
VM
oldVm._state._pc
String
"runtime code cannot have an abstract length"
[Expr 'Buf
output]
Just Vector (Expr 'Byte)
newCode -> do
ContractCode -> EVM ()
onContractCode forall a b. (a -> b) -> a -> b
$ RuntimeCode -> ContractCode
RuntimeCode (Vector (Expr 'Byte) -> RuntimeCode
SymbolicRuntimeCode Vector (Expr 'Byte)
newCode)
FrameReverted Expr 'Buf
output -> do
EVM ()
revertContracts
EVM ()
revertSubstate
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) Expr 'Buf
output
EVM ()
reclaimRemainingGasAllowance
W256 -> EVM ()
push W256
0
FrameErrored Error
_ -> do
EVM ()
revertContracts
EVM ()
revertSubstate
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
returndata) forall a. Monoid a => a
mempty
W256 -> EVM ()
push W256
0
accessUnboundedMemoryRange
:: FeeSchedule Word64
-> Word64
-> Word64
-> EVM ()
-> EVM ()
accessUnboundedMemoryRange :: FeeSchedule Word64 -> Word64 -> Word64 -> EVM () -> EVM ()
accessUnboundedMemoryRange FeeSchedule Word64
_ Word64
_ Word64
0 EVM ()
continue = EVM ()
continue
accessUnboundedMemoryRange FeeSchedule Word64
fees Word64
f Word64
l EVM ()
continue = do
Word64
m0 <- forall a b. (Integral a, Num b) => a -> b
num forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
memorySize)
do
let m1 :: Word64
m1 = Word64
32 forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a. Ord a => a -> a -> a
max Word64
m0 (Word64
f forall a. Num a => a -> a -> a
+ Word64
l)) Word64
32
Word64 -> EVM () -> EVM ()
burn (FeeSchedule Word64 -> Word64 -> Word64
memoryCost FeeSchedule Word64
fees Word64
m1 forall a. Num a => a -> a -> a
- FeeSchedule Word64 -> Word64 -> Word64
memoryCost FeeSchedule Word64
fees Word64
m0) forall a b. (a -> b) -> a -> b
$ do
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Word64
memorySize) Word64
m1
EVM ()
continue
accessMemoryRange
:: FeeSchedule Word64
-> W256
-> W256
-> EVM ()
-> EVM ()
accessMemoryRange :: FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
_ W256
_ W256
0 EVM ()
continue = EVM ()
continue
accessMemoryRange FeeSchedule Word64
fees W256
f W256
l EVM ()
continue =
case (,) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> W256 -> Maybe Word64
toWord64 W256
f forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> W256 -> Maybe Word64
toWord64 W256
l of
Maybe (Word64, Word64)
Nothing -> Error -> EVM ()
vmError Error
IllegalOverflow
Just (Word64
f64, Word64
l64) ->
if Word64
f64 forall a. Num a => a -> a -> a
+ Word64
l64 forall a. Ord a => a -> a -> Bool
< Word64
l64
then Error -> EVM ()
vmError Error
IllegalOverflow
else FeeSchedule Word64 -> Word64 -> Word64 -> EVM () -> EVM ()
accessUnboundedMemoryRange FeeSchedule Word64
fees Word64
f64 Word64
l64 EVM ()
continue
accessMemoryWord
:: FeeSchedule Word64 -> W256 -> EVM () -> EVM ()
accessMemoryWord :: FeeSchedule Word64 -> W256 -> EVM () -> EVM ()
accessMemoryWord FeeSchedule Word64
fees W256
x = FeeSchedule Word64 -> W256 -> W256 -> EVM () -> EVM ()
accessMemoryRange FeeSchedule Word64
fees W256
x W256
32
copyBytesToMemory
:: Expr Buf -> Expr EWord -> Expr EWord -> Expr EWord -> EVM ()
copyBytesToMemory :: Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyBytesToMemory Expr 'Buf
bs Expr 'EWord
size Expr 'EWord
xOffset Expr 'EWord
yOffset =
if Expr 'EWord
size forall a. Eq a => a -> a -> Bool
== (W256 -> Expr 'EWord
Lit W256
0) then forall (m :: * -> *). Monad m => m ()
noop
else do
Expr 'Buf
mem <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory) forall a b. (a -> b) -> a -> b
$
Expr 'EWord
-> Expr 'EWord
-> Expr 'EWord
-> Expr 'Buf
-> Expr 'Buf
-> Expr 'Buf
copySlice Expr 'EWord
xOffset Expr 'EWord
yOffset Expr 'EWord
size Expr 'Buf
bs Expr 'Buf
mem
copyCallBytesToMemory
:: Expr Buf -> Expr EWord -> Expr EWord -> Expr EWord -> EVM ()
copyCallBytesToMemory :: Expr 'Buf -> Expr 'EWord -> Expr 'EWord -> Expr 'EWord -> EVM ()
copyCallBytesToMemory Expr 'Buf
bs Expr 'EWord
size Expr 'EWord
xOffset Expr 'EWord
yOffset =
if Expr 'EWord
size forall a. Eq a => a -> a -> Bool
== (W256 -> Expr 'EWord
Lit W256
0) then forall (m :: * -> *). Monad m => m ()
noop
else do
Expr 'Buf
mem <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
assign (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState (Expr 'Buf)
memory) forall a b. (a -> b) -> a -> b
$
Expr 'EWord
-> Expr 'EWord
-> Expr 'EWord
-> Expr 'Buf
-> Expr 'Buf
-> Expr 'Buf
copySlice Expr 'EWord
xOffset Expr 'EWord
yOffset (Expr 'EWord -> Expr 'EWord -> Expr 'EWord
Expr.min Expr 'EWord
size (Expr 'Buf -> Expr 'EWord
bufLength Expr 'Buf
bs)) Expr 'Buf
bs Expr 'Buf
mem
readMemory :: Expr EWord -> Expr EWord -> VM -> Expr Buf
readMemory :: Expr 'EWord -> Expr 'EWord -> VM -> Expr 'Buf
readMemory Expr 'EWord
offset Expr 'EWord
size VM
vm = Expr 'EWord
-> Expr 'EWord
-> Expr 'EWord
-> Expr 'Buf
-> Expr 'Buf
-> Expr 'Buf
copySlice Expr 'EWord
offset (W256 -> Expr 'EWord
Lit W256
0) Expr 'EWord
size VM
vm._state._memory forall a. Monoid a => a
mempty
withTraceLocation :: TraceData -> EVM Trace
withTraceLocation :: TraceData -> EVM Trace
withTraceLocation TraceData
x = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let this :: Contract
this = forall a. HasCallStack => Maybe a -> a
fromJust forall a b. (a -> b) -> a -> b
$ VM -> Maybe Contract
currentContract VM
vm
forall (f :: * -> *) a. Applicative f => a -> f a
pure Trace
{ $sel:_traceData:Trace :: TraceData
_traceData = TraceData
x
, $sel:_traceContract:Trace :: Contract
_traceContract = Contract
this
, $sel:_traceOpIx:Trace :: Int
_traceOpIx = forall a. a -> Maybe a -> a
fromMaybe Int
0 forall a b. (a -> b) -> a -> b
$ Contract
this._opIxMap forall a. Storable a => Vector a -> Int -> Maybe a
Vector.!? VM
vm._state._pc
}
pushTrace :: TraceData -> EVM ()
pushTrace :: TraceData -> EVM ()
pushTrace TraceData
x = do
Trace
trace <- TraceData -> EVM Trace
withTraceLocation TraceData
x
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying Lens' VM (TreePos Empty Trace)
traces forall a b. (a -> b) -> a -> b
$
\TreePos Empty Trace
t -> forall a. TreePos Full a -> TreePos Empty a
Zipper.children forall a b. (a -> b) -> a -> b
$ forall a. Tree a -> TreePos Empty a -> TreePos Full a
Zipper.insert (forall a. a -> [Tree a] -> Tree a
Node Trace
trace []) TreePos Empty Trace
t
insertTrace :: TraceData -> EVM ()
insertTrace :: TraceData -> EVM ()
insertTrace TraceData
x = do
Trace
trace <- TraceData -> EVM Trace
withTraceLocation TraceData
x
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying Lens' VM (TreePos Empty Trace)
traces forall a b. (a -> b) -> a -> b
$
\TreePos Empty Trace
t -> forall a. TreePos Full a -> TreePos Empty a
Zipper.nextSpace forall a b. (a -> b) -> a -> b
$ forall a. Tree a -> TreePos Empty a -> TreePos Full a
Zipper.insert (forall a. a -> [Tree a] -> Tree a
Node Trace
trace []) TreePos Empty Trace
t
popTrace :: EVM ()
popTrace :: EVM ()
popTrace =
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying Lens' VM (TreePos Empty Trace)
traces forall a b. (a -> b) -> a -> b
$
\TreePos Empty Trace
t -> case forall (t :: * -> *) a.
PosType t =>
TreePos t a -> Maybe (TreePos Full a)
Zipper.parent TreePos Empty Trace
t of
Maybe (TreePos Full Trace)
Nothing -> forall a. HasCallStack => String -> a
error String
"internal error (trace root)"
Just TreePos Full Trace
t' -> forall a. TreePos Full a -> TreePos Empty a
Zipper.nextSpace TreePos Full Trace
t'
zipperRootForest :: Zipper.TreePos Zipper.Empty a -> Forest a
zipperRootForest :: forall a. TreePos Empty a -> Forest a
zipperRootForest TreePos Empty a
z =
case forall (t :: * -> *) a.
PosType t =>
TreePos t a -> Maybe (TreePos Full a)
Zipper.parent TreePos Empty a
z of
Maybe (TreePos Full a)
Nothing -> forall (t :: * -> *) a. PosType t => TreePos t a -> Forest a
Zipper.toForest TreePos Empty a
z
Just TreePos Full a
z' -> forall a. TreePos Empty a -> Forest a
zipperRootForest (forall a. TreePos Full a -> TreePos Empty a
Zipper.nextSpace TreePos Full a
z')
traceForest :: VM -> Forest Trace
traceForest :: VM -> Forest Trace
traceForest VM
vm = forall a. TreePos Empty a -> Forest a
zipperRootForest VM
vm._traces
traceTopLog :: [Expr Log] -> EVM ()
traceTopLog :: [Expr 'Log] -> EVM ()
traceTopLog [] = forall (m :: * -> *). Monad m => m ()
noop
traceTopLog ((LogEntry Expr 'EWord
addr Expr 'Buf
bytes [Expr 'EWord]
topics) : [Expr 'Log]
_) = do
Trace
trace <- TraceData -> EVM Trace
withTraceLocation (Expr 'EWord -> Expr 'Buf -> [Expr 'EWord] -> TraceData
EventTrace Expr 'EWord
addr Expr 'Buf
bytes [Expr 'EWord]
topics)
forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
modifying Lens' VM (TreePos Empty Trace)
traces forall a b. (a -> b) -> a -> b
$
\TreePos Empty Trace
t -> forall a. TreePos Full a -> TreePos Empty a
Zipper.nextSpace (forall a. Tree a -> TreePos Empty a -> TreePos Full a
Zipper.insert (forall a. a -> [Tree a] -> Tree a
Node Trace
trace []) TreePos Empty Trace
t)
traceTopLog ((GVar GVar 'Log
_) : [Expr 'Log]
_) = forall a. HasCallStack => String -> a
error String
"unexpected global variable"
push :: W256 -> EVM ()
push :: W256 -> EVM ()
push = Expr 'EWord -> EVM ()
pushSym forall b c a. (b -> c) -> (a -> b) -> a -> c
. W256 -> Expr 'EWord
Lit
pushSym :: Expr EWord -> EVM ()
pushSym :: Expr 'EWord -> EVM ()
pushSym Expr 'EWord
x = Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> (a -> b) -> m ()
%= (Expr 'EWord
x :)
stackOp1
:: (?op :: Word8)
=> ((Expr EWord) -> Word64)
-> ((Expr EWord) -> (Expr EWord))
-> EVM ()
stackOp1 :: (?op::Word8) =>
(Expr 'EWord -> Word64) -> (Expr 'EWord -> Expr 'EWord) -> EVM ()
stackOp1 Expr 'EWord -> Word64
cost Expr 'EWord -> Expr 'EWord
f =
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
(Expr 'EWord
x:[Expr 'EWord]
xs) ->
Word64 -> EVM () -> EVM ()
burn (Expr 'EWord -> Word64
cost Expr 'EWord
x) forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
let !y :: Expr 'EWord
y = Expr 'EWord -> Expr 'EWord
f Expr 'EWord
x
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= Expr 'EWord
y forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs
[Expr 'EWord]
_ ->
EVM ()
underrun
stackOp2
:: (?op :: Word8)
=> (((Expr EWord), (Expr EWord)) -> Word64)
-> (((Expr EWord), (Expr EWord)) -> (Expr EWord))
-> EVM ()
stackOp2 :: (?op::Word8) =>
((Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord) -> Expr 'EWord) -> EVM ()
stackOp2 (Expr 'EWord, Expr 'EWord) -> Word64
cost (Expr 'EWord, Expr 'EWord) -> Expr 'EWord
f =
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
(Expr 'EWord
x:Expr 'EWord
y:[Expr 'EWord]
xs) ->
Word64 -> EVM () -> EVM ()
burn ((Expr 'EWord, Expr 'EWord) -> Word64
cost (Expr 'EWord
x, Expr 'EWord
y)) forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= (Expr 'EWord, Expr 'EWord) -> Expr 'EWord
f (Expr 'EWord
x, Expr 'EWord
y) forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs
[Expr 'EWord]
_ ->
EVM ()
underrun
stackOp3
:: (?op :: Word8)
=> (((Expr EWord), (Expr EWord), (Expr EWord)) -> Word64)
-> (((Expr EWord), (Expr EWord), (Expr EWord)) -> (Expr EWord))
-> EVM ()
stackOp3 :: (?op::Word8) =>
((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Word64)
-> ((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Expr 'EWord)
-> EVM ()
stackOp3 (Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Word64
cost (Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Expr 'EWord
f =
forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
(Expr 'EWord
x:Expr 'EWord
y:Expr 'EWord
z:[Expr 'EWord]
xs) ->
Word64 -> EVM () -> EVM ()
burn ((Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Word64
cost (Expr 'EWord
x, Expr 'EWord
y, Expr 'EWord
z)) forall a b. (a -> b) -> a -> b
$ do
(?op::Word8) => EVM ()
next
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= (Expr 'EWord, Expr 'EWord, Expr 'EWord) -> Expr 'EWord
f (Expr 'EWord
x, Expr 'EWord
y, Expr 'EWord
z) forall a. a -> [a] -> [a]
: [Expr 'EWord]
xs
[Expr 'EWord]
_ ->
EVM ()
underrun
checkJump :: Int -> [Expr EWord] -> EVM ()
checkJump :: Int -> [Expr 'EWord] -> EVM ()
checkJump Int
x [Expr 'EWord]
xs = do
ContractCode
theCode <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState ContractCode
code)
Addr
self <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Addr
codeContract)
Vector (Int, Op)
theCodeOps <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
self forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract (Vector (Int, Op))
codeOps)
Vector Int
theOpIxMap <- forall s (m :: * -> *) a. MonadState s m => Getting a s a -> m a
use (Lens' VM Env
env forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Env (Map Addr Contract)
contracts forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall m. Ixed m => Index m -> Traversal' m (IxValue m)
ix Addr
self forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' Contract (Vector Int)
opIxMap)
let op :: Maybe Word8
op = case ContractCode
theCode of
InitCode ByteString
ops Expr 'Buf
_ -> ByteString -> Int -> Maybe Word8
BS.indexMaybe ByteString
ops Int
x
RuntimeCode (ConcreteRuntimeCode ByteString
ops) -> ByteString -> Int -> Maybe Word8
BS.indexMaybe ByteString
ops Int
x
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops) -> Vector (Expr 'Byte)
ops forall a. Vector a -> Int -> Maybe a
V.!? Int
x forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Expr 'Byte -> Maybe Word8
unlitByte
case Maybe Word8
op of
Maybe Word8
Nothing -> Error -> EVM ()
vmError Error
EVM.BadJumpDestination
Just Word8
b ->
if Word8
0x5b forall a. Eq a => a -> a -> Bool
== Word8
b Bool -> Bool -> Bool
&& Op
OpJumpdest forall a. Eq a => a -> a -> Bool
== forall a b. (a, b) -> b
snd (Vector (Int, Op)
theCodeOps forall a. Vector a -> Int -> a
RegularVector.! (Vector Int
theOpIxMap forall a. Storable a => Vector a -> Int -> a
Vector.! forall a b. (Integral a, Num b) => a -> b
num Int
x))
then do
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= [Expr 'EWord]
xs
Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Int
pc forall s (m :: * -> *) a b.
MonadState s m =>
ASetter s s a b -> b -> m ()
.= forall a b. (Integral a, Num b) => a -> b
num Int
x
else
Error -> EVM ()
vmError Error
EVM.BadJumpDestination
opSize :: Word8 -> Int
opSize :: Word8 -> Int
opSize Word8
x | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x60 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x7f = forall a b. (Integral a, Num b) => a -> b
num Word8
x forall a. Num a => a -> a -> a
- Int
0x60 forall a. Num a => a -> a -> a
+ Int
2
opSize Word8
_ = Int
1
mkOpIxMap :: ContractCode -> Vector Int
mkOpIxMap :: ContractCode -> Vector Int
mkOpIxMap (InitCode ByteString
conc Expr 'Buf
_)
= forall a. Storable a => (forall s. ST s (MVector s a)) -> Vector a
Vector.create forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
Int -> m (MVector (PrimState m) a)
Vector.new (ByteString -> Int
BS.length ByteString
conc) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \MVector s Int
v ->
let (Word8
_, Int
_, Int
_, ST s ()
m) = forall a. (a -> Word8 -> a) -> a -> ByteString -> a
BS.foldl' (forall {a} {m :: * -> *} {a} {a}.
(Ord a, PrimMonad m, Storable a, Num a, Num a) =>
MVector (PrimState m) a
-> (a, Int, a, m a) -> a -> (a, Int, a, m ())
go MVector s Int
v) (Word8
0 :: Word8, Int
0, Int
0, forall (m :: * -> *) a. Monad m => a -> m a
return ()) ByteString
conc
in ST s ()
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return MVector s Int
v
where
go :: MVector (PrimState m) a
-> (a, Int, a, m a) -> a -> (a, Int, a, m ())
go MVector (PrimState m) a
v (a
0, !Int
i, !a
j, !m a
m) a
x | a
x forall a. Ord a => a -> a -> Bool
>= a
0x60 Bool -> Bool -> Bool
&& a
x forall a. Ord a => a -> a -> Bool
<= a
0x7f =
(a
x forall a. Num a => a -> a -> a
- a
0x60 forall a. Num a => a -> a -> a
+ a
1, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
go MVector (PrimState m) a
v (a
1, !Int
i, !a
j, !m a
m) a
_ =
(a
0, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j forall a. Num a => a -> a -> a
+ a
1, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
go MVector (PrimState m) a
v (a
0, !Int
i, !a
j, !m a
m) a
_ =
(a
0, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j forall a. Num a => a -> a -> a
+ a
1, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
go MVector (PrimState m) a
v (a
n, !Int
i, !a
j, !m a
m) a
_ =
(a
n forall a. Num a => a -> a -> a
- a
1, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
mkOpIxMap (RuntimeCode (ConcreteRuntimeCode ByteString
ops)) =
ContractCode -> Vector Int
mkOpIxMap (ByteString -> Expr 'Buf -> ContractCode
InitCode ByteString
ops forall a. Monoid a => a
mempty)
mkOpIxMap (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops))
= forall a. Storable a => (forall s. ST s (MVector s a)) -> Vector a
Vector.create forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
Int -> m (MVector (PrimState m) a)
Vector.new (forall (t :: * -> *) a. Foldable t => t a -> Int
length Vector (Expr 'Byte)
ops) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \MVector s Int
v ->
let (Word8
_, Int
_, Int
_, ST s ()
m) = forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
foldl (forall {m :: * -> *} {a} {a}.
(PrimMonad m, Storable a, Num a, Show a) =>
MVector (PrimState m) a
-> (Word8, Int, a, m a) -> Expr 'Byte -> (Word8, Int, a, m ())
go MVector s Int
v) (Word8
0, Int
0, Int
0, forall (m :: * -> *) a. Monad m => a -> m a
return ()) ([Expr 'Byte] -> [Expr 'Byte]
stripBytecodeMetadataSym forall a b. (a -> b) -> a -> b
$ forall a. Vector a -> [a]
V.toList Vector (Expr 'Byte)
ops)
in ST s ()
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return MVector s Int
v
where
go :: MVector (PrimState m) a
-> (Word8, Int, a, m a) -> Expr 'Byte -> (Word8, Int, a, m ())
go MVector (PrimState m) a
v (Word8
0, !Int
i, !a
j, !m a
m) Expr 'Byte
x = case Expr 'Byte -> Maybe Word8
unlitByte Expr 'Byte
x of
Just Word8
x' -> if Word8
x' forall a. Ord a => a -> a -> Bool
>= Word8
0x60 Bool -> Bool -> Bool
&& Word8
x' forall a. Ord a => a -> a -> Bool
<= Word8
0x7f
then (Word8
x' forall a. Num a => a -> a -> a
- Word8
0x60 forall a. Num a => a -> a -> a
+ Word8
1, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
else (Word8
0, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j forall a. Num a => a -> a -> a
+ a
1, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
Maybe Word8
_ -> forall a. HasCallStack => String -> a
error forall a b. (a -> b) -> a -> b
$ String
"cannot analyze symbolic code:\nx: " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show Expr 'Byte
x forall a. Semigroup a => a -> a -> a
<> String
" i: " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show Int
i forall a. Semigroup a => a -> a -> a
<> String
" j: " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show a
j
go MVector (PrimState m) a
v (Word8
1, !Int
i, !a
j, !m a
m) Expr 'Byte
_ =
(Word8
0, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j forall a. Num a => a -> a -> a
+ a
1, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
go MVector (PrimState m) a
v (Word8
n, !Int
i, !a
j, !m a
m) Expr 'Byte
_ =
(Word8
n forall a. Num a => a -> a -> a
- Word8
1, Int
i forall a. Num a => a -> a -> a
+ Int
1, a
j, m a
m forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a.
(PrimMonad m, Storable a) =>
MVector (PrimState m) a -> Int -> a -> m ()
Vector.write MVector (PrimState m) a
v Int
i a
j)
vmOp :: VM -> Maybe Op
vmOp :: VM -> Maybe Op
vmOp VM
vm =
let i :: Int
i = VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState Int
pc
code' :: ContractCode
code' = VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState ContractCode
code
(Word8
op, [Expr 'Byte]
pushdata) = case ContractCode
code' of
InitCode ByteString
xs' Expr 'Buf
_ ->
(HasCallStack => ByteString -> Int -> Word8
BS.index ByteString
xs' Int
i, forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Word8 -> Expr 'Byte
LitByte forall a b. (a -> b) -> a -> b
$ ByteString -> [Word8]
BS.unpack forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
BS.drop Int
i ByteString
xs')
RuntimeCode (ConcreteRuntimeCode ByteString
xs') ->
(HasCallStack => ByteString -> Int -> Word8
BS.index ByteString
xs' Int
i, forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Word8 -> Expr 'Byte
LitByte forall a b. (a -> b) -> a -> b
$ ByteString -> [Word8]
BS.unpack forall a b. (a -> b) -> a -> b
$ Int -> ByteString -> ByteString
BS.drop Int
i ByteString
xs')
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
xs') ->
( forall a. a -> Maybe a -> a
fromMaybe (forall a. HasCallStack => String -> a
error String
"unexpected symbolic code") forall b c a. (b -> c) -> (a -> b) -> a -> c
. Expr 'Byte -> Maybe Word8
unlitByte forall a b. (a -> b) -> a -> b
$ Vector (Expr 'Byte)
xs' forall a. Vector a -> Int -> a
V.! Int
i , forall a. Vector a -> [a]
V.toList forall a b. (a -> b) -> a -> b
$ forall a. Int -> Vector a -> Vector a
V.drop Int
i Vector (Expr 'Byte)
xs')
in if (ContractCode -> Int
opslen ContractCode
code' forall a. Ord a => a -> a -> Bool
< Int
i)
then forall a. Maybe a
Nothing
else forall a. a -> Maybe a
Just (Word8 -> [Expr 'Byte] -> Op
readOp Word8
op [Expr 'Byte]
pushdata)
vmOpIx :: VM -> Maybe Int
vmOpIx :: VM -> Maybe Int
vmOpIx VM
vm =
do Contract
self <- VM -> Maybe Contract
currentContract VM
vm
Contract
self._opIxMap forall a. Storable a => Vector a -> Int -> Maybe a
Vector.!? VM
vm._state._pc
opParams :: VM -> Map String (Expr EWord)
opParams :: VM -> Map String (Expr 'EWord)
opParams VM
vm =
case VM -> Maybe Op
vmOp VM
vm of
Just Op
OpCreate ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"value offset size"
Just Op
OpCall ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"gas to value in-offset in-size out-offset out-size"
Just Op
OpSstore ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"index value"
Just Op
OpCodecopy ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"mem-offset code-offset code-size"
Just Op
OpSha3 ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"offset size"
Just Op
OpCalldatacopy ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"to from size"
Just Op
OpExtcodecopy ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"account mem-offset code-offset code-size"
Just Op
OpReturn ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"offset size"
Just Op
OpJumpi ->
[String] -> Map String (Expr 'EWord)
params forall a b. (a -> b) -> a -> b
$ String -> [String]
words String
"destination condition"
Maybe Op
_ -> forall a. Monoid a => a
mempty
where
params :: [String] -> Map String (Expr 'EWord)
params [String]
xs =
if forall (t :: * -> *) a. Foldable t => t a -> Int
length (VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack) forall a. Ord a => a -> a -> Bool
>= forall (t :: * -> *) a. Foldable t => t a -> Int
length [String]
xs
then forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList (forall a b. [a] -> [b] -> [(a, b)]
zip [String]
xs (VM
vm forall s a. s -> Getting a s a -> a
^. Lens' VM FrameState
state forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' FrameState [Expr 'EWord]
stack))
else forall a. Monoid a => a
mempty
readOp :: Word8 -> [Expr Byte] -> Op
readOp :: Word8 -> [Expr 'Byte] -> Op
readOp Word8
x [Expr 'Byte]
_ | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x80 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x8f = Word8 -> Op
OpDup (Word8
x forall a. Num a => a -> a -> a
- Word8
0x80 forall a. Num a => a -> a -> a
+ Word8
1)
readOp Word8
x [Expr 'Byte]
_ | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x90 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x9f = Word8 -> Op
OpSwap (Word8
x forall a. Num a => a -> a -> a
- Word8
0x90 forall a. Num a => a -> a -> a
+ Word8
1)
readOp Word8
x [Expr 'Byte]
_ | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0xa0 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0xa4 = Word8 -> Op
OpLog (Word8
x forall a. Num a => a -> a -> a
- Word8
0xa0)
readOp Word8
x [Expr 'Byte]
xs | Word8
x forall a. Ord a => a -> a -> Bool
>= Word8
0x60 Bool -> Bool -> Bool
&& Word8
x forall a. Ord a => a -> a -> Bool
<= Word8
0x7f =
let n :: Int
n = forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ Word8
x forall a. Num a => a -> a -> a
- Word8
0x60 forall a. Num a => a -> a -> a
+ Word8
1
in Expr 'EWord -> Op
OpPush (Int -> Expr 'EWord -> Expr 'Buf -> Expr 'EWord
readBytes Int
n (W256 -> Expr 'EWord
Lit W256
0) (Vector (Expr 'Byte) -> Expr 'Buf
Expr.fromList forall a b. (a -> b) -> a -> b
$ forall a. [a] -> Vector a
V.fromList [Expr 'Byte]
xs))
readOp Word8
x [Expr 'Byte]
_ = case Word8
x of
Word8
0x00 -> Op
OpStop
Word8
0x01 -> Op
OpAdd
Word8
0x02 -> Op
OpMul
Word8
0x03 -> Op
OpSub
Word8
0x04 -> Op
OpDiv
Word8
0x05 -> Op
OpSdiv
Word8
0x06 -> Op
OpMod
Word8
0x07 -> Op
OpSmod
Word8
0x08 -> Op
OpAddmod
Word8
0x09 -> Op
OpMulmod
Word8
0x0a -> Op
OpExp
Word8
0x0b -> Op
OpSignextend
Word8
0x10 -> Op
OpLt
Word8
0x11 -> Op
OpGt
Word8
0x12 -> Op
OpSlt
Word8
0x13 -> Op
OpSgt
Word8
0x14 -> Op
OpEq
Word8
0x15 -> Op
OpIszero
Word8
0x16 -> Op
OpAnd
Word8
0x17 -> Op
OpOr
Word8
0x18 -> Op
OpXor
Word8
0x19 -> Op
OpNot
Word8
0x1a -> Op
OpByte
Word8
0x1b -> Op
OpShl
Word8
0x1c -> Op
OpShr
Word8
0x1d -> Op
OpSar
Word8
0x20 -> Op
OpSha3
Word8
0x30 -> Op
OpAddress
Word8
0x31 -> Op
OpBalance
Word8
0x32 -> Op
OpOrigin
Word8
0x33 -> Op
OpCaller
Word8
0x34 -> Op
OpCallvalue
Word8
0x35 -> Op
OpCalldataload
Word8
0x36 -> Op
OpCalldatasize
Word8
0x37 -> Op
OpCalldatacopy
Word8
0x38 -> Op
OpCodesize
Word8
0x39 -> Op
OpCodecopy
Word8
0x3a -> Op
OpGasprice
Word8
0x3b -> Op
OpExtcodesize
Word8
0x3c -> Op
OpExtcodecopy
Word8
0x3d -> Op
OpReturndatasize
Word8
0x3e -> Op
OpReturndatacopy
Word8
0x3f -> Op
OpExtcodehash
Word8
0x40 -> Op
OpBlockhash
Word8
0x41 -> Op
OpCoinbase
Word8
0x42 -> Op
OpTimestamp
Word8
0x43 -> Op
OpNumber
Word8
0x44 -> Op
OpPrevRandao
Word8
0x45 -> Op
OpGaslimit
Word8
0x46 -> Op
OpChainid
Word8
0x47 -> Op
OpSelfbalance
Word8
0x50 -> Op
OpPop
Word8
0x51 -> Op
OpMload
Word8
0x52 -> Op
OpMstore
Word8
0x53 -> Op
OpMstore8
Word8
0x54 -> Op
OpSload
Word8
0x55 -> Op
OpSstore
Word8
0x56 -> Op
OpJump
Word8
0x57 -> Op
OpJumpi
Word8
0x58 -> Op
OpPc
Word8
0x59 -> Op
OpMsize
Word8
0x5a -> Op
OpGas
Word8
0x5b -> Op
OpJumpdest
Word8
0xf0 -> Op
OpCreate
Word8
0xf1 -> Op
OpCall
Word8
0xf2 -> Op
OpCallcode
Word8
0xf3 -> Op
OpReturn
Word8
0xf4 -> Op
OpDelegatecall
Word8
0xf5 -> Op
OpCreate2
Word8
0xfd -> Op
OpRevert
Word8
0xfa -> Op
OpStaticcall
Word8
0xff -> Op
OpSelfdestruct
Word8
_ -> Word8 -> Op
OpUnknown Word8
x
mkCodeOps :: ContractCode -> RegularVector.Vector (Int, Op)
mkCodeOps :: ContractCode -> Vector (Int, Op)
mkCodeOps ContractCode
contractCode =
let l :: [Expr 'Byte]
l = case ContractCode
contractCode of
InitCode ByteString
bytes Expr 'Buf
_ ->
Word8 -> Expr 'Byte
LitByte forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ByteString -> [Word8]
BS.unpack ByteString
bytes)
RuntimeCode (ConcreteRuntimeCode ByteString
ops) ->
Word8 -> Expr 'Byte
LitByte forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ByteString -> [Word8]
BS.unpack forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
stripBytecodeMetadata ByteString
ops)
RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops) ->
[Expr 'Byte] -> [Expr 'Byte]
stripBytecodeMetadataSym forall a b. (a -> b) -> a -> b
$ forall a. Vector a -> [a]
V.toList Vector (Expr 'Byte)
ops
in forall a. [a] -> Vector a
RegularVector.fromList forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (t :: * -> *) a. Foldable t => t a -> [a]
toList forall a b. (a -> b) -> a -> b
$ Int -> [Expr 'Byte] -> Seq (Int, Op)
go Int
0 [Expr 'Byte]
l
where
go :: Int -> [Expr 'Byte] -> Seq (Int, Op)
go !Int
i ![Expr 'Byte]
xs =
case forall s a. Cons s s a a => s -> Maybe (a, s)
uncons [Expr 'Byte]
xs of
Maybe (Expr 'Byte, [Expr 'Byte])
Nothing ->
forall a. Monoid a => a
mempty
Just (Expr 'Byte
x, [Expr 'Byte]
xs') ->
let x' :: Word8
x' = forall a. a -> Maybe a -> a
fromMaybe (forall a. HasCallStack => String -> a
error String
"unexpected symbolic code argument") forall a b. (a -> b) -> a -> b
$ Expr 'Byte -> Maybe Word8
unlitByte Expr 'Byte
x
j :: Int
j = Word8 -> Int
opSize Word8
x'
in (Int
i, Word8 -> [Expr 'Byte] -> Op
readOp Word8
x' [Expr 'Byte]
xs') forall a. a -> Seq a -> Seq a
Seq.<| Int -> [Expr 'Byte] -> Seq (Int, Op)
go (Int
i forall a. Num a => a -> a -> a
+ Int
j) (forall a. Int -> [a] -> [a]
drop Int
j [Expr 'Byte]
xs)
costOfCall
:: FeeSchedule Word64
-> Bool -> W256 -> Word64 -> Word64 -> Addr
-> EVM (Word64, Word64)
costOfCall :: FeeSchedule Word64
-> Bool -> W256 -> Word64 -> Word64 -> Addr -> EVM (Word64, Word64)
costOfCall (FeeSchedule {Word64
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
..}) Bool
recipientExists W256
xValue Word64
availableGas Word64
xGas Addr
target = do
Bool
acc <- Addr -> EVM Bool
accessAccountForGas Addr
target
let call_base_gas :: Word64
call_base_gas = if Bool
acc then Word64
g_warm_storage_read else Word64
g_cold_account_access
c_new :: Word64
c_new = if Bool -> Bool
not Bool
recipientExists Bool -> Bool -> Bool
&& W256
xValue forall a. Eq a => a -> a -> Bool
/= W256
0
then Word64
g_newaccount
else Word64
0
c_xfer :: Word64
c_xfer = if W256
xValue forall a. Eq a => a -> a -> Bool
/= W256
0 then forall a b. (Integral a, Num b) => a -> b
num Word64
g_callvalue else Word64
0
c_extra :: Word64
c_extra = Word64
call_base_gas forall a. Num a => a -> a -> a
+ Word64
c_xfer forall a. Num a => a -> a -> a
+ Word64
c_new
c_gascap :: Word64
c_gascap = if Word64
availableGas forall a. Ord a => a -> a -> Bool
>= Word64
c_extra
then forall a. Ord a => a -> a -> a
min Word64
xGas (forall a. (Num a, Integral a) => a -> a
allButOne64th (Word64
availableGas forall a. Num a => a -> a -> a
- Word64
c_extra))
else Word64
xGas
c_callgas :: Word64
c_callgas = if W256
xValue forall a. Eq a => a -> a -> Bool
/= W256
0 then Word64
c_gascap forall a. Num a => a -> a -> a
+ Word64
g_callstipend else Word64
c_gascap
forall (m :: * -> *) a. Monad m => a -> m a
return (Word64
c_gascap forall a. Num a => a -> a -> a
+ Word64
c_extra, Word64
c_callgas)
costOfCreate
:: FeeSchedule Word64
-> Word64 -> W256 -> (Word64, Word64)
costOfCreate :: FeeSchedule Word64 -> Word64 -> W256 -> (Word64, Word64)
costOfCreate (FeeSchedule {Word64
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
..}) Word64
availableGas W256
hashSize =
(Word64
createCost forall a. Num a => a -> a -> a
+ Word64
initGas, Word64
initGas)
where
createCost :: Word64
createCost = Word64
g_create forall a. Num a => a -> a -> a
+ Word64
hashCost
hashCost :: Word64
hashCost = Word64
g_sha3word forall a. Num a => a -> a -> a
* forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num W256
hashSize) Word64
32
initGas :: Word64
initGas = forall a. (Num a, Integral a) => a -> a
allButOne64th (Word64
availableGas forall a. Num a => a -> a -> a
- Word64
createCost)
concreteModexpGasFee :: ByteString -> Word64
concreteModexpGasFee :: ByteString -> Word64
concreteModexpGasFee ByteString
input =
if W256
lenb forall a. Ord a => a -> a -> Bool
< forall a b. (Integral a, Num b) => a -> b
num (forall a. Bounded a => a
maxBound :: Word32) Bool -> Bool -> Bool
&&
(W256
lene forall a. Ord a => a -> a -> Bool
< forall a b. (Integral a, Num b) => a -> b
num (forall a. Bounded a => a
maxBound :: Word32) Bool -> Bool -> Bool
|| (W256
lenb forall a. Eq a => a -> a -> Bool
== W256
0 Bool -> Bool -> Bool
&& W256
lenm forall a. Eq a => a -> a -> Bool
== W256
0)) Bool -> Bool -> Bool
&&
W256
lenm forall a. Ord a => a -> a -> Bool
< forall a b. (Integral a, Num b) => a -> b
num (forall a. Bounded a => a
maxBound :: Word64)
then
forall a. Ord a => a -> a -> a
max Word64
200 ((Word64
multiplicationComplexity forall a. Num a => a -> a -> a
* Word64
iterCount) forall a. Integral a => a -> a -> a
`div` Word64
3)
else
forall a. Bounded a => a
maxBound
where (W256
lenb, W256
lene, W256
lenm) = ByteString -> (W256, W256, W256)
parseModexpLength ByteString
input
ez :: Bool
ez = W256 -> W256 -> ByteString -> Bool
isZero (W256
96 forall a. Num a => a -> a -> a
+ W256
lenb) W256
lene ByteString
input
e' :: W256
e' = ByteString -> W256
word forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LS.toStrict forall a b. (a -> b) -> a -> b
$
W256 -> W256 -> ByteString -> ByteString
lazySlice (W256
96 forall a. Num a => a -> a -> a
+ W256
lenb) (forall a. Ord a => a -> a -> a
min W256
32 W256
lene) ByteString
input
nwords :: Word64
nwords :: Word64
nwords = forall a. (Num a, Integral a) => a -> a -> a
ceilDiv (forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ forall a. Ord a => a -> a -> a
max W256
lenb W256
lenm) Word64
8
multiplicationComplexity :: Word64
multiplicationComplexity = Word64
nwords forall a. Num a => a -> a -> a
* Word64
nwords
iterCount' :: Word64
iterCount' :: Word64
iterCount' | W256
lene forall a. Ord a => a -> a -> Bool
<= W256
32 Bool -> Bool -> Bool
&& Bool
ez = Word64
0
| W256
lene forall a. Ord a => a -> a -> Bool
<= W256
32 = forall a b. (Integral a, Num b) => a -> b
num (forall b. FiniteBits b => b -> Int
log2 W256
e')
| W256
e' forall a. Eq a => a -> a -> Bool
== W256
0 = Word64
8 forall a. Num a => a -> a -> a
* (forall a b. (Integral a, Num b) => a -> b
num W256
lene forall a. Num a => a -> a -> a
- Word64
32)
| Bool
otherwise = forall a b. (Integral a, Num b) => a -> b
num (forall b. FiniteBits b => b -> Int
log2 W256
e') forall a. Num a => a -> a -> a
+ Word64
8 forall a. Num a => a -> a -> a
* (forall a b. (Integral a, Num b) => a -> b
num W256
lene forall a. Num a => a -> a -> a
- Word64
32)
iterCount :: Word64
iterCount = forall a. Ord a => a -> a -> a
max Word64
iterCount' Word64
1
costOfPrecompile :: FeeSchedule Word64 -> Addr -> Expr Buf -> Word64
costOfPrecompile :: FeeSchedule Word64 -> Addr -> Expr 'Buf -> Word64
costOfPrecompile (FeeSchedule {Word64
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
..}) Addr
precompileAddr Expr 'Buf
input =
let errorDynamicSize :: a
errorDynamicSize = forall a. HasCallStack => String -> a
error String
"precompile input cannot have a dynamic size"
inputLen :: Word64
inputLen = case Expr 'Buf
input of
ConcreteBuf ByteString
bs -> forall a b. (Integral a, Num b) => a -> b
fromIntegral forall a b. (a -> b) -> a -> b
$ ByteString -> Int
BS.length ByteString
bs
AbstractBuf Text
_ -> forall {a}. a
errorDynamicSize
Expr 'Buf
buf -> case Expr 'Buf -> Expr 'EWord
bufLength Expr 'Buf
buf of
Lit W256
l -> forall a b. (Integral a, Num b) => a -> b
num W256
l
Expr 'EWord
_ -> forall {a}. a
errorDynamicSize
in case Addr
precompileAddr of
Addr
0x1 -> Word64
3000
Addr
0x2 -> forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ (((Word64
inputLen forall a. Num a => a -> a -> a
+ Word64
31) forall a. Integral a => a -> a -> a
`div` Word64
32) forall a. Num a => a -> a -> a
* Word64
12) forall a. Num a => a -> a -> a
+ Word64
60
Addr
0x3 -> forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ (((Word64
inputLen forall a. Num a => a -> a -> a
+ Word64
31) forall a. Integral a => a -> a -> a
`div` Word64
32) forall a. Num a => a -> a -> a
* Word64
120) forall a. Num a => a -> a -> a
+ Word64
600
Addr
0x4 -> forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ (((Word64
inputLen forall a. Num a => a -> a -> a
+ Word64
31) forall a. Integral a => a -> a -> a
`div` Word64
32) forall a. Num a => a -> a -> a
* Word64
3) forall a. Num a => a -> a -> a
+ Word64
15
Addr
0x5 -> case Expr 'Buf
input of
ConcreteBuf ByteString
i -> ByteString -> Word64
concreteModexpGasFee ByteString
i
Expr 'Buf
_ -> forall a. HasCallStack => String -> a
error String
"Unsupported symbolic modexp gas calc "
Addr
0x6 -> Word64
g_ecadd
Addr
0x7 -> Word64
g_ecmul
Addr
0x8 -> (Word64
inputLen forall a. Integral a => a -> a -> a
`div` Word64
192) forall a. Num a => a -> a -> a
* Word64
g_pairing_point forall a. Num a => a -> a -> a
+ Word64
g_pairing_base
Addr
0x9 -> case Expr 'Buf
input of
ConcreteBuf ByteString
i -> Word64
g_fround forall a. Num a => a -> a -> a
* (forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ ByteString -> Integer
asInteger forall a b. (a -> b) -> a -> b
$ W256 -> W256 -> ByteString -> ByteString
lazySlice W256
0 W256
4 ByteString
i)
Expr 'Buf
_ -> forall a. HasCallStack => String -> a
error String
"Unsupported symbolic blake2 gas calc"
Addr
_ -> forall a. HasCallStack => String -> a
error (String
"unimplemented precompiled contract " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show Addr
precompileAddr)
memoryCost :: FeeSchedule Word64 -> Word64 -> Word64
memoryCost :: FeeSchedule Word64 -> Word64 -> Word64
memoryCost FeeSchedule{Word64
g_access_list_storage_key :: Word64
g_access_list_address :: Word64
g_warm_storage_read :: Word64
g_cold_account_access :: Word64
g_cold_sload :: Word64
r_block :: Word64
g_fround :: Word64
g_pairing_base :: Word64
g_pairing_point :: Word64
g_ecmul :: Word64
g_ecadd :: Word64
g_quaddivisor :: Word64
g_extcodehash :: Word64
g_blockhash :: Word64
g_copy :: Word64
g_sha3word :: Word64
g_sha3 :: Word64
g_logtopic :: Word64
g_logdata :: Word64
g_log :: Word64
g_transaction :: Word64
g_txdatanonzero :: Word64
g_txdatazero :: Word64
g_txcreate :: Word64
g_memory :: Word64
g_expbyte :: Word64
g_exp :: Word64
g_newaccount :: Word64
g_callstipend :: Word64
g_callvalue :: Word64
g_call :: Word64
g_codedeposit :: Word64
g_create :: Word64
r_selfdestruct :: Word64
g_selfdestruct_newaccount :: Word64
g_selfdestruct :: Word64
r_sclear :: Word64
g_sreset :: Word64
g_sset :: Word64
g_jumpdest :: Word64
g_sload :: Word64
g_balance :: Word64
g_extcode :: Word64
g_high :: Word64
g_mid :: Word64
g_low :: Word64
g_verylow :: Word64
g_base :: Word64
g_zero :: Word64
$sel:g_access_list_storage_key:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_access_list_address:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_warm_storage_read:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_account_access:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_cold_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_block:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_fround:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_pairing_point:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecmul:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_ecadd:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_quaddivisor:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcodehash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_blockhash:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_copy:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3word:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sha3:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logtopic:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_logdata:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_log:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_transaction:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatanonzero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txdatazero:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_txcreate:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_memory:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_expbyte:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_exp:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callstipend:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_callvalue:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_call:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_codedeposit:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_create:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct_newaccount:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_selfdestruct:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:r_sclear:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sreset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sset:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_jumpdest:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_sload:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_balance:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_extcode:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_high:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_mid:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_low:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_verylow:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_base:FeeSchedule :: forall n. FeeSchedule n -> n
$sel:g_zero:FeeSchedule :: forall n. FeeSchedule n -> n
..} Word64
byteCount =
let
wordCount :: Word64
wordCount = forall a. (Num a, Integral a) => a -> a -> a
ceilDiv Word64
byteCount Word64
32
linearCost :: Word64
linearCost = Word64
g_memory forall a. Num a => a -> a -> a
* Word64
wordCount
quadraticCost :: Word64
quadraticCost = forall a. Integral a => a -> a -> a
div (Word64
wordCount forall a. Num a => a -> a -> a
* Word64
wordCount) Word64
512
in
Word64
linearCost forall a. Num a => a -> a -> a
+ Word64
quadraticCost
ceilDiv :: (Num a, Integral a) => a -> a -> a
ceilDiv :: forall a. (Num a, Integral a) => a -> a -> a
ceilDiv a
m a
n = forall a. Integral a => a -> a -> a
div (a
m forall a. Num a => a -> a -> a
+ a
n forall a. Num a => a -> a -> a
- a
1) a
n
allButOne64th :: (Num a, Integral a) => a -> a
allButOne64th :: forall a. (Num a, Integral a) => a -> a
allButOne64th a
n = a
n forall a. Num a => a -> a -> a
- forall a. Integral a => a -> a -> a
div a
n a
64
log2 :: FiniteBits b => b -> Int
log2 :: forall b. FiniteBits b => b -> Int
log2 b
x = forall b. FiniteBits b => b -> Int
finiteBitSize b
x forall a. Num a => a -> a -> a
- Int
1 forall a. Num a => a -> a -> a
- forall b. FiniteBits b => b -> Int
countLeadingZeros b
x
hashcode :: ContractCode -> Expr EWord
hashcode :: ContractCode -> Expr 'EWord
hashcode (InitCode ByteString
ops Expr 'Buf
args) = Expr 'Buf -> Expr 'EWord
keccak forall a b. (a -> b) -> a -> b
$ (ByteString -> Expr 'Buf
ConcreteBuf ByteString
ops) forall a. Semigroup a => a -> a -> a
<> Expr 'Buf
args
hashcode (RuntimeCode (ConcreteRuntimeCode ByteString
ops)) = Expr 'Buf -> Expr 'EWord
keccak (ByteString -> Expr 'Buf
ConcreteBuf ByteString
ops)
hashcode (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops)) = Expr 'Buf -> Expr 'EWord
keccak forall b c a. (b -> c) -> (a -> b) -> a -> c
. Vector (Expr 'Byte) -> Expr 'Buf
Expr.fromList forall a b. (a -> b) -> a -> b
$ Vector (Expr 'Byte)
ops
opslen :: ContractCode -> Int
opslen :: ContractCode -> Int
opslen (InitCode ByteString
ops Expr 'Buf
_) = ByteString -> Int
BS.length ByteString
ops
opslen (RuntimeCode (ConcreteRuntimeCode ByteString
ops)) = ByteString -> Int
BS.length ByteString
ops
opslen (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops)) = forall (t :: * -> *) a. Foldable t => t a -> Int
length Vector (Expr 'Byte)
ops
codelen :: ContractCode -> Expr EWord
codelen :: ContractCode -> Expr 'EWord
codelen c :: ContractCode
c@(InitCode {}) = Expr 'Buf -> Expr 'EWord
bufLength forall a b. (a -> b) -> a -> b
$ ContractCode -> Expr 'Buf
toBuf ContractCode
c
codelen (RuntimeCode (ConcreteRuntimeCode ByteString
ops)) = W256 -> Expr 'EWord
Lit forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ ByteString -> Int
BS.length ByteString
ops
codelen (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops)) = W256 -> Expr 'EWord
Lit forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (Integral a, Num b) => a -> b
num forall a b. (a -> b) -> a -> b
$ forall (t :: * -> *) a. Foldable t => t a -> Int
length Vector (Expr 'Byte)
ops
toBuf :: ContractCode -> Expr Buf
toBuf :: ContractCode -> Expr 'Buf
toBuf (InitCode ByteString
ops Expr 'Buf
args) = ByteString -> Expr 'Buf
ConcreteBuf ByteString
ops forall a. Semigroup a => a -> a -> a
<> Expr 'Buf
args
toBuf (RuntimeCode (ConcreteRuntimeCode ByteString
ops)) = ByteString -> Expr 'Buf
ConcreteBuf ByteString
ops
toBuf (RuntimeCode (SymbolicRuntimeCode Vector (Expr 'Byte)
ops)) = Vector (Expr 'Byte) -> Expr 'Buf
Expr.fromList Vector (Expr 'Byte)
ops
codeloc :: EVM CodeLocation
codeloc :: EVM CodeLocation
codeloc = do
VM
vm <- forall s (m :: * -> *). MonadState s m => m s
get
let self :: Addr
self = VM
vm._state._contract
loc :: Int
loc = VM
vm._state._pc
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Addr
self, Int
loc)