Copyright	Alexander Krupenkin 2016
License	BSD3
Maintainer	mail@akru.me
Stability	experimental
Portability	portable
Safe Haskell	None
Language	Haskell2010

Network.Ethereum.Web3.Types

Description

Common used types and instances.

Synopsis

Documentation

newtype Web3 a b Source #

Any communication with Ethereum node wrapped with Web3 monad

Constructors

Web3
Fields unWeb3 :: IO b

Instances

Monad (Web3 a) Source #
Methods (>>=) :: Web3 a a -> (a -> Web3 a b) -> Web3 a b # (>>) :: Web3 a a -> Web3 a b -> Web3 a b # return :: a -> Web3 a a # fail :: String -> Web3 a a #
Functor (Web3 a) Source #
Methods fmap :: (a -> b) -> Web3 a a -> Web3 a b # (<$) :: a -> Web3 a b -> Web3 a a #
Applicative (Web3 a) Source #
Methods pure :: a -> Web3 a a # (<>) :: Web3 a (a -> b) -> Web3 a a -> Web3 a b # (>) :: Web3 a a -> Web3 a b -> Web3 a b # (<*) :: Web3 a a -> Web3 a b -> Web3 a a #
MonadIO (Web3 a) Source #
Methods liftIO :: IO a -> Web3 a a #

data Web3Error Source #

Some peace of error response

Constructors

JsonRpcFail !RpcError	JSON-RPC communication error
ParserFail !String	Error in parser state
UserFail !String	Common head for user errors

Instances

Eq Web3Error Source #
Methods (==) :: Web3Error -> Web3Error -> Bool # (/=) :: Web3Error -> Web3Error -> Bool #
Show Web3Error Source #
Methods showsPrec :: Int -> Web3Error -> ShowS # show :: Web3Error -> String # showList :: [Web3Error] -> ShowS #
Exception Web3Error Source #
Methods toException :: Web3Error -> SomeException # fromException :: SomeException -> Maybe Web3Error # displayException :: Web3Error -> String #

data RpcError Source #

JSON-RPC error message

Constructors

RpcError
Fields errCode :: !Int errMessage :: !Text errData :: !(Maybe Value)

Instances

Eq RpcError Source #
Methods (==) :: RpcError -> RpcError -> Bool # (/=) :: RpcError -> RpcError -> Bool #
Show RpcError Source #
Methods showsPrec :: Int -> RpcError -> ShowS # show :: RpcError -> String # showList :: [RpcError] -> ShowS #
ToJSON RpcError Source #
Methods toJSON :: RpcError -> Value # toEncoding :: RpcError -> Encoding # toJSONList :: [RpcError] -> Value # toEncodingList :: [RpcError] -> Encoding #
FromJSON RpcError Source #
Methods parseJSON :: Value -> Parser RpcError # parseJSONList :: Value -> Parser [RpcError] #

data Filter Source #

Low-level event filter data structure

Constructors

Filter
Fields filterAddress :: !(Maybe Address) filterTopics :: !(Maybe [Maybe Text]) filterFromBlock :: !(Maybe Text) filterToBlock :: !(Maybe Text)

Instances

Show Filter Source #
Methods showsPrec :: Int -> Filter -> ShowS # show :: Filter -> String # showList :: [Filter] -> ShowS #
ToJSON Filter Source #
Methods toJSON :: Filter -> Value # toEncoding :: Filter -> Encoding # toJSONList :: [Filter] -> Value # toEncodingList :: [Filter] -> Encoding #
FromJSON Filter Source #
Methods parseJSON :: Value -> Parser Filter # parseJSONList :: Value -> Parser [Filter] #

newtype FilterId Source #

Event filder ident

Constructors

FilterId Integer

Instances

Eq FilterId Source #
Methods (==) :: FilterId -> FilterId -> Bool # (/=) :: FilterId -> FilterId -> Bool #
Ord FilterId Source #
Methods compare :: FilterId -> FilterId -> Ordering # (<) :: FilterId -> FilterId -> Bool # (<=) :: FilterId -> FilterId -> Bool # (>) :: FilterId -> FilterId -> Bool # (>=) :: FilterId -> FilterId -> Bool # max :: FilterId -> FilterId -> FilterId # min :: FilterId -> FilterId -> FilterId #
Show FilterId Source #
Methods showsPrec :: Int -> FilterId -> ShowS # show :: FilterId -> String # showList :: [FilterId] -> ShowS #
ToJSON FilterId Source #
Methods toJSON :: FilterId -> Value # toEncoding :: FilterId -> Encoding # toJSONList :: [FilterId] -> Value # toEncodingList :: [FilterId] -> Encoding #
FromJSON FilterId Source #
Methods parseJSON :: Value -> Parser FilterId # parseJSONList :: Value -> Parser [FilterId] #

data Change Source #

Changes pulled by low-level call eth_getFilterChanges

Constructors

Change
Fields changeLogIndex :: !Text changeTransactionIndex :: !Text changeTransactionHash :: !Text changeBlockHash :: !Text changeBlockNumber :: !Text changeAddress :: !Address changeData :: !Text changeTopics :: ![Text]

Instances

Show Change Source #
Methods showsPrec :: Int -> Change -> ShowS # show :: Change -> String # showList :: [Change] -> ShowS #
ToJSON Change Source #
Methods toJSON :: Change -> Value # toEncoding :: Change -> Encoding # toJSONList :: [Change] -> Value # toEncodingList :: [Change] -> Encoding #
FromJSON Change Source #
Methods parseJSON :: Value -> Parser Change # parseJSONList :: Value -> Parser [Change] #

data Call Source #

The contract call params

Constructors

Call
Fields callFrom :: !(Maybe Address) callTo :: !Address callGas :: !(Maybe Text) callGasPrice :: !(Maybe Text) callValue :: !(Maybe Text) callData :: !(Maybe Text)

Instances

Show Call Source #
Methods showsPrec :: Int -> Call -> ShowS # show :: Call -> String # showList :: [Call] -> ShowS #
ToJSON Call Source #
Methods toJSON :: Call -> Value # toEncoding :: Call -> Encoding # toJSONList :: [Call] -> Value # toEncodingList :: [Call] -> Encoding #
FromJSON Call Source #
Methods parseJSON :: Value -> Parser Call # parseJSONList :: Value -> Parser [Call] #

data CallMode Source #

The contract call mode describe used state: latest or pending

Constructors

Latest
Pending

Instances

Eq CallMode Source #
Methods (==) :: CallMode -> CallMode -> Bool # (/=) :: CallMode -> CallMode -> Bool #
Show CallMode Source #
Methods showsPrec :: Int -> CallMode -> ShowS # show :: CallMode -> String # showList :: [CallMode] -> ShowS #
ToJSON CallMode Source #
Methods toJSON :: CallMode -> Value # toEncoding :: CallMode -> Encoding # toJSONList :: [CallMode] -> Value # toEncodingList :: [CallMode] -> Encoding #

type TxHash = Text Source #

Transaction hash text string

data Transaction Source #

Transaction information

Constructors

Transaction

Fields

txHash :: !TxHash
DATA, 32 Bytes - hash of the transaction.
txNonce :: !Text
QUANTITY - the number of transactions made by the sender prior to this one.
txBlockHash :: !Text
DATA, 32 Bytes - hash of the block where this transaction was in. null when its pending.
txBlockNumber :: !Text
QUANTITY - block number where this transaction was in. null when its pending.
txTransactionIndex :: !Text
QUANTITY - integer of the transactions index position in the block. null when its pending.
txFrom :: !Address
DATA, 20 Bytes - address of the sender.
txTo :: !(Maybe Address)
DATA, 20 Bytes - address of the receiver. null when its a contract creation transaction.
txValue :: !Text
QUANTITY - value transferred in Wei.
txGasPrice :: !Text
QUANTITY - gas price provided by the sender in Wei.
txGas :: !Text
QUANTITY - gas provided by the sender.
txInput :: !Text
DATA - the data send along with the transaction.

Instances

Show Transaction Source #
Methods showsPrec :: Int -> Transaction -> ShowS # show :: Transaction -> String # showList :: [Transaction] -> ShowS #
ToJSON Transaction Source #
Methods toJSON :: Transaction -> Value # toEncoding :: Transaction -> Encoding # toJSONList :: [Transaction] -> Value # toEncodingList :: [Transaction] -> Encoding #
FromJSON Transaction Source #
Methods parseJSON :: Value -> Parser Transaction # parseJSONList :: Value -> Parser [Transaction] #

data Block Source #

Block information

Constructors

Block

Fields

blockNumber :: !Text
QUANTITY - the block number. null when its pending block.
blockHash :: !Text
DATA, 32 Bytes - hash of the block. null when its pending block.
blockParentHash :: !Text
DATA, 32 Bytes - hash of the parent block.
blockNonce :: !(Maybe Text)
DATA, 8 Bytes - hash of the generated proof-of-work. null when its pending block.
blockSha3Uncles :: !Text
DATA, 32 Bytes - SHA3 of the uncles data in the block.
blockLogsBloom :: !Text
DATA, 256 Bytes - the bloom filter for the logs of the block. null when its pending block.
blockTransactionsRoot :: !Text
DATA, 32 Bytes - the root of the transaction trie of the block.
blockStateRoot :: !Text
DATA, 32 Bytes - the root of the final state trie of the block.
blockReceiptRoot :: !(Maybe Text)
DATA, 32 Bytes - the root of the receipts trie of the block.
blockMiner :: !Address
DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.
blockDifficulty :: !Text
QUANTITY - integer of the difficulty for this block.
blockTotalDifficulty :: !Text
QUANTITY - integer of the total difficulty of the chain until this block.
blockExtraData :: !Text
DATA - the "extra data" field of this block.
blockSize :: !Text
QUANTITY - integer the size of this block in bytes.
blockGasLimit :: !Text
QUANTITY - the maximum gas allowed in this block.
blockGasUsed :: !Text
QUANTITY - the total used gas by all transactions in this block.
blockTimestamp :: !Text
QUANTITY - the unix timestamp for when the block was collated.
blockTransactions :: ![Transaction]
Array of transaction objects.
blockUncles :: ![Text]
Array - Array of uncle hashes.

Instances

Show Block Source #
Methods showsPrec :: Int -> Block -> ShowS # show :: Block -> String # showList :: [Block] -> ShowS #
ToJSON Block Source #
Methods toJSON :: Block -> Value # toEncoding :: Block -> Encoding # toJSONList :: [Block] -> Value # toEncodingList :: [Block] -> Encoding #
FromJSON Block Source #
Methods parseJSON :: Value -> Parser Block # parseJSONList :: Value -> Parser [Block] #