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GHC 9.14.1 · lts/ghc-9.14.x · d82dee8 · 2026-10-12

Moduleweb3-polkadot-1.1.0.1Haskell2010

Network.Polkadot.Query

Query storage for internal data.

3 values

Packageweb3-polkadot-1.1.0.1
Exports3
LanguageHaskell2010
LicenceApache-2.0
SourceQuery.hs

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

Loads metadata from runtime and create storage type.

valuequery

:: (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.

valuequery'

:: (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.