Network.Polkadot

A scalable, interoperable & secure network protocol for the next web.

Query blockchain storage.

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.

data Argument where

General type wrapper for SCALE encodable storage index argument.

Constructors

Argument

Fields

• :: Encode a
• => a
• -> Argument

  Wrapped type should be encodable.

Instances

Encode Argument

Defined in Network.Polkadot.Storage.Key

Methods

put :: Putter Argument

Base types and codecs.

module Codec.Scale

module Network.Polkadot.Primitives

class Pair a where

Class suitable for typical cryptographic PKI key pair type.

Associated Types

type PublicKey a

The type which is used to encode a public key.

type Signature a

The type used to represent a signature. Can be created from a key pair and a message and verified with the message and a public key.

Methods

generate :: IO a

Generate new secure (random) key pair.

from_seed :: ByteArrayAccess ba => ba -> Either String a

Generate new key pair from the provided seed.

from_phrase :: Text -> Maybe Text -> Either String a

Generate key pair from given recovery phrase and password.

public :: a -> PublicKey a

Get a public key.

sign :: ByteArrayAccess ba => a -> ba -> Signature a

Sign a message.

Instances

Pair Ecdsa

Defined in Network.Polkadot.Crypto

Associated Types

type PublicKey Ecdsa

type Signature Ecdsa

Methods

generate :: IO Ecdsa

from_seed :: ByteArrayAccess ba => ba -> Either String Ecdsa

from_phrase :: Text -> Maybe Text -> Either String Ecdsa

public :: Ecdsa -> PublicKey Ecdsa

sign :: ByteArrayAccess ba => Ecdsa -> ba -> Signature Ecdsa

Pair Ed25519

Defined in Network.Polkadot.Crypto

Associated Types

type PublicKey Ed25519

type Signature Ed25519

Methods

generate :: IO Ed25519

from_seed :: ByteArrayAccess ba => ba -> Either String Ed25519

from_phrase :: Text -> Maybe Text -> Either String Ed25519

public :: Ed25519 -> PublicKey Ed25519

sign :: ByteArrayAccess ba => Ed25519 -> ba -> Signature Ed25519

class Verify a where

Means of signature verification.

Methods

verify

Arguments

:: (IdentifyAccount s, ByteArrayAccess ba)

=> a

Message signature.

-> ba

Message content.

-> s

Type of the signer.

-> Bool

Returns true if signature is valid for the value.

Verify a message.

class Pair a => MultiPair a where

Multiple cryptographic type support.

Methods

multi_address :: a -> MultiAddress a

Derive universal account address.

multi_signer :: a -> MultiSigner a

Derive universal signer account identifier.

multi_sign :: ByteArrayAccess ba => a -> ba -> MultiSignature a

Sign message and derive universal signature.

Instances

MultiPair Ecdsa

Defined in Network.Polkadot.Crypto

Associated Types

type MultiAddress Ecdsa

type MultiSigner Ecdsa

type MultiSignature Ecdsa

Methods

multi_address :: Ecdsa -> MultiAddress Ecdsa

multi_signer :: Ecdsa -> MultiSigner Ecdsa

multi_sign :: ByteArrayAccess ba => Ecdsa -> ba -> MultiSignature Ecdsa

MultiPair Ed25519

Defined in Network.Polkadot.Crypto

Associated Types

type MultiAddress Ed25519

type MultiSigner Ed25519

type MultiSignature Ed25519

Methods

multi_address :: Ed25519 -> MultiAddress Ed25519

multi_signer :: Ed25519 -> MultiSigner Ed25519

multi_sign :: ByteArrayAccess ba => Ed25519 -> ba -> MultiSignature Ed25519

data Ed25519

Ed25519 cryptographic pair.

Instances

Show Ed25519

Defined in Network.Polkadot.Crypto

Methods

showsPrec :: Int -> Ed25519 -> ShowS

show :: Ed25519 -> String

showList :: [Ed25519] -> ShowS

Eq Ed25519

Defined in Network.Polkadot.Crypto

Methods

(==) :: Ed25519 -> Ed25519 -> Bool

(/=) :: Ed25519 -> Ed25519 -> Bool

MultiPair Ed25519

Defined in Network.Polkadot.Crypto

Associated Types

type MultiAddress Ed25519

type MultiSigner Ed25519

type MultiSignature Ed25519

Methods

multi_address :: Ed25519 -> MultiAddress Ed25519

multi_signer :: Ed25519 -> MultiSigner Ed25519

multi_sign :: ByteArrayAccess ba => Ed25519 -> ba -> MultiSignature Ed25519

Pair Ed25519

Defined in Network.Polkadot.Crypto

Associated Types

type PublicKey Ed25519

type Signature Ed25519

Methods

generate :: IO Ed25519

from_seed :: ByteArrayAccess ba => ba -> Either String Ed25519

from_phrase :: Text -> Maybe Text -> Either String Ed25519

public :: Ed25519 -> PublicKey Ed25519

sign :: ByteArrayAccess ba => Ed25519 -> ba -> Signature Ed25519

type MultiAddress Ed25519

Defined in Network.Polkadot.Crypto

type MultiAddress Ed25519 = MultiAddress

type MultiSignature Ed25519

Defined in Network.Polkadot.Crypto

type MultiSignature Ed25519 = MultiSignature

type MultiSigner Ed25519

Defined in Network.Polkadot.Crypto

type MultiSigner Ed25519 = MultiSigner

type PublicKey Ed25519

Defined in Network.Polkadot.Crypto

type PublicKey Ed25519 = H256

type Signature Ed25519

Defined in Network.Polkadot.Crypto

type Signature Ed25519 = H512

data Ecdsa

ECDSA cryptographic pair.

Instances

Show Ecdsa

Defined in Network.Polkadot.Crypto

Methods

showsPrec :: Int -> Ecdsa -> ShowS

show :: Ecdsa -> String

showList :: [Ecdsa] -> ShowS

Eq Ecdsa

Defined in Network.Polkadot.Crypto

Methods

(==) :: Ecdsa -> Ecdsa -> Bool

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

MultiPair Ecdsa

Defined in Network.Polkadot.Crypto

Associated Types

type MultiAddress Ecdsa

type MultiSigner Ecdsa

type MultiSignature Ecdsa

Methods

multi_address :: Ecdsa -> MultiAddress Ecdsa

multi_signer :: Ecdsa -> MultiSigner Ecdsa

multi_sign :: ByteArrayAccess ba => Ecdsa -> ba -> MultiSignature Ecdsa

Pair Ecdsa

Defined in Network.Polkadot.Crypto

Associated Types

type PublicKey Ecdsa

type Signature Ecdsa

Methods

generate :: IO Ecdsa

from_seed :: ByteArrayAccess ba => ba -> Either String Ecdsa

from_phrase :: Text -> Maybe Text -> Either String Ecdsa

public :: Ecdsa -> PublicKey Ecdsa

sign :: ByteArrayAccess ba => Ecdsa -> ba -> Signature Ecdsa

type MultiAddress Ecdsa

Defined in Network.Polkadot.Crypto

type MultiAddress Ecdsa = MultiAddress

type MultiSignature Ecdsa

Defined in Network.Polkadot.Crypto

type MultiSignature Ecdsa = MultiSignature

type MultiSigner Ecdsa

Defined in Network.Polkadot.Crypto

type MultiSigner Ecdsa = MultiSigner

type PublicKey Ecdsa

Defined in Network.Polkadot.Crypto

type PublicKey Ecdsa = (Word8, H256)

type Signature Ecdsa

Defined in Network.Polkadot.Crypto

type Signature Ecdsa = (H512, Word8)

Extrinsic sign & send functions.

class Ss58Codec a where

Key that can be encoded to/from SS58.

See https://github.com/paritytech/substrate/wiki/External-Address-Format-(SS58)#address-type for information on the codec.

Minimal complete definition

to_ss58check_with_version, from_ss58check_with_version

Methods

from_ss58check :: ByteString -> Either String a

Some if the string is a properly encoded SS58Check address (default prefix).

to_ss58check :: a -> ByteString

Return the ss58-check string for this key (default prefix).

to_ss58check_with_version :: Word16 -> a -> ByteString

Return the ss58-check string for this key.

from_ss58check_with_version :: Word16 -> ByteString -> Either String a

Some if the string is a properly encoded SS58Check address (default prefix).

Instances

Ss58Codec AccountId

Defined in Network.Polkadot.Account

Methods

from_ss58check :: ByteString -> Either String AccountId

to_ss58check :: AccountId -> ByteString

to_ss58check_with_version :: Word16 -> AccountId -> ByteString

from_ss58check_with_version :: Word16 -> ByteString -> Either String AccountId

class IdentifyAccount a where

Some type that is able to be collapsed into an account ID.

It is not possible to recreate the original value from the account ID.

Methods

into_account :: a -> AccountId a

Transform into an account.

Instances

IdentifyAccount MultiSigner

Defined in Network.Polkadot.Account

Associated Types

type AccountId MultiSigner

Methods

into_account :: MultiSigner -> AccountId MultiSigner

module Network.Polkadot.Extrinsic

module Network.Polkadot.Call