Network.Polkadot.Query

Query storage for internal data.

Documentation

storage :: JsonRpc m => m (Either String Storage)

Loads metadata from runtime and create storage type.

query

Arguments

:: (JsonRpc m, Decode a)

=> Text

Module name.

-> Text

Storage method name.

-> [Argument]

Arguments (for mappings).

-> m (Either String a)

Decoded storage item.

Query data from blockchain via getStorage RPC call.

query'

Arguments

:: (JsonRpc m, Decode a)

=> Maybe HexString

Block hash for query (Nothing for best block).

-> Text

Module name.

-> Text

Storage method name.

-> [Argument]

Arguments (for mappings).

-> m (Either String a)

Decoded storage item.

Similar to query but get block hash for query as an argument.