@canvas-js/chain-substrate NPM | npm.io

0.12.1 • Published 8 months ago

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8 months ago

@canvas-js/chain-substrate

The Substrate session signer takes an injected polkadot-js extension, or generates a random Substrate keypair, and uses it to authenticate a new session.

It also handles verification of messages matching this authentication method.

Table of Contents

Installation
API

Installation

npm i @canvas-js/chain-atp

API

import type { Signature, SessionSigner, Action, Message, Session } from "@canvas-js/interfaces"
import { InjectedExtension } from "@polkadot/extension-inject/types"
import { KeypairType } from "@polkadot/util-crypto/types"
import type { SubstrateSessionData } from "./types.js"
type SubstrateSignerInit = {
  sessionDuration?: number
  extension?: InjectedExtension
  substrateKeyType?: KeypairType
}
export declare class SubstrateSigner implements SessionSigner {
  constructor(init?: SubstrateSignerInit)
  readonly match: (address: string) => boolean
  verifySession(topic: string, session: Session): Promise<void>
  getSession(
    topic: string,
    options?: {
      chain?: string
      timestamp?: number
      fromCache?: boolean
    },
  ): Promise<Session<SubstrateSessionData>>
  sign(message: Message<Action | Session>): Signature
  clear(topic: string): Promise<void>
}

@canvas-js/interfaces @canvas-js/signatures @canvas-js/utils @ipld/dag-json @libp2p/logger @noble/hashes @polkadot/extension-inject @polkadot/keyring @polkadot/util-crypto multiformats

@everything-registry/sub-chunk-154 @canvas-js/cli

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