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

type Web3 = ReaderT Config (ExceptT Error IO) Source #

Any communication with Ethereum node wrapped with Web3 monad

data Config Source #

Ethereum node params

Constructors

Config
Fields rpcUri :: String JSON-RPC node URI

Instances

Eq Config Source #
Methods (==) :: Config -> Config -> Bool # (/=) :: Config -> Config -> Bool #
Show Config Source #
Methods showsPrec :: Int -> Config -> ShowS # show :: Config -> String # showList :: [Config] -> ShowS #
Default Config Source #
Methods def :: Config #

data Error 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 Error Source #
Methods (==) :: Error -> Error -> Bool # (/=) :: Error -> Error -> Bool #
Show Error Source #
Methods showsPrec :: Int -> Error -> ShowS # show :: Error -> String # showList :: [Error] -> ShowS #

runWeb3 :: MonadIO m => Web3 a -> m (Either Error a) Source #

Run Web3 monad with default config

runWeb3' :: MonadIO m => Config -> Web3 a -> m (Either Error a) Source #

Run Web3 monad with given configuration

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 Int

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 callPrice :: 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