Network.Ethereum.Web3

An Ethereum node offers a RPC interface. This interface gives Ðapp’s access to the Ethereum blockchain and functionality that the node provides, such as compiling smart contract code. It uses a subset of the JSON-RPC 2.0 specification (no support for notifications or named parameters) as serialisation protocol and is available over HTTP and IPC (unix domain sockets on linux/OSX and named pipe’s on Windows).

Web3 Haskell library currently use JSON-RPC over HTTP to access node functionality.

Base monad for any Ethereum node communication

data Web3 a

Any communication with Ethereum node wrapped with Web3 monad

Instances

Monad Web3

Defined in Network.Ethereum.Api.Provider

Methods

(>>=) :: Web3 a -> (a -> Web3 b) -> Web3 b

(>>) :: Web3 a -> Web3 b -> Web3 b

return :: a -> Web3 a

fail :: String -> Web3 a

Functor Web3

Defined in Network.Ethereum.Api.Provider

Methods

fmap :: (a -> b) -> Web3 a -> Web3 b

(<$) :: a -> Web3 b -> Web3 a

Applicative Web3

Defined in Network.Ethereum.Api.Provider

Methods

pure :: a -> Web3 a

(<*>) :: Web3 (a -> b) -> Web3 a -> Web3 b

liftA2 :: (a -> b -> c) -> Web3 a -> Web3 b -> Web3 c

(*>) :: Web3 a -> Web3 b -> Web3 b

(<*) :: Web3 a -> Web3 b -> Web3 a

MonadIO Web3

Defined in Network.Ethereum.Api.Provider

Methods

liftIO :: IO a -> Web3 a

MonadThrow Web3

Defined in Network.Ethereum.Api.Provider

Methods

throwM :: Exception e => e -> Web3 a

JsonRpc Web3

Defined in Network.Ethereum.Api.Provider

Methods

remote :: Remote Web3 a => MethodName -> a

MonadState JsonRpcClient Web3

Defined in Network.Ethereum.Api.Provider

Methods

get :: Web3 JsonRpcClient

put :: JsonRpcClient -> Web3 ()

state :: (JsonRpcClient -> (a, JsonRpcClient)) -> Web3 a

runWeb3 :: MonadIO m => Web3 a -> m (Either Web3Error a)

Web3 runner for default provider

Basic transaction sending

module Network.Ethereum.Account

Basic event listening

data EventAction

Event callback control response

Constructors

ContinueEvent

Continue to listen events

TerminateEvent

Terminate event listener

Instances

Eq EventAction

Defined in Network.Ethereum.Contract.Event.Common

Methods

(==) :: EventAction -> EventAction -> Bool

(/=) :: EventAction -> EventAction -> Bool

Show EventAction

Defined in Network.Ethereum.Contract.Event.Common

Methods

showsPrec :: Int -> EventAction -> ShowS

show :: EventAction -> String

showList :: [EventAction] -> ShowS

event :: DecodeEvent i ni e => Filter e -> (e -> ReaderT Change Web3 EventAction) -> Web3 (Async ())

Run 'event\'' one block at a time.

Primitive data types

module Data.Solidity.Prim

Metric unit system

module Network.Ethereum.Unit