Network.Haskoin.Constants

Network specific constants

Data

data Network

Constructors

Network

Fields

• getNetworkName :: !String
• getAddrPrefix :: !Word8
• getScriptPrefix :: !Word8
• getSecretPrefix :: !Word8
• getExtPubKeyPrefix :: !Word32
• getExtSecretPrefix :: !Word32
• getNetworkMagic :: !Word32
• getGenesisHeader :: !BlockHeader
• getMaxBlockSize :: !Int
• getMaxSatoshi :: !Word64
• getHaskoinUserAgent :: !ByteString
• getDefaultPort :: !Int
• getAllowMinDifficultyBlocks :: !Bool
• getPowLimit :: !Integer
• getTargetTimespan :: !Word32
• getTargetSpacing :: !Word32
• getCheckpoints :: ![(Int, BlockHash)]

Instances

Eq Network

Methods

(==) :: Network -> Network -> Bool

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

Read Network

Methods

readsPrec :: Int -> ReadS Network

readList :: ReadS [Network]

readPrec :: ReadPrec Network

readListPrec :: ReadPrec [Network]

Show Network

Methods

showsPrec :: Int -> Network -> ShowS

show :: Network -> String

showList :: [Network] -> ShowS

prodnet :: Network

testnet3 :: Network

Functions

switchToTestnet3 :: IO ()

Switch to Testnet3. Do at start of program.

setNetwork :: Network -> IO ()

Change network constants manually. If switching to Testnet3, use switchToTestnet3 instead.

getNetwork :: Network

Read current network constants record

Network parameters

networkName :: String

Name of the bitcoin network

addrPrefix :: Word8

Prefix for base58 PubKey hash address

scriptPrefix :: Word8

Prefix for base58 script hash address

secretPrefix :: Word8

Prefix for private key WIF format

extPubKeyPrefix :: Word32

Prefix for extended public keys (BIP32)

extSecretPrefix :: Word32

Prefix for extended private keys (BIP32)

networkMagic :: Word32

Network magic bytes

genesisHeader :: BlockHeader

Genesis block header information

maxBlockSize :: Int

Maximum size of a block in bytes

maxSatoshi :: Word64

Maximum number of satoshi

haskoinUserAgent :: ByteString

User agent string

defaultPort :: Int

Default port

allowMinDifficultyBlocks :: Bool

Allow relaxed difficulty transition rules

powLimit :: Integer

Lower bound for the proof of work difficulty

targetTimespan :: Word32

Time between difficulty cycles (2 weeks on average)

targetSpacing :: Word32

Time between blocks (10 minutes per block)

checkpoints :: [(Int, BlockHash)]

Checkpoints to enfore