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

0.12.1 • Published 8 months ago

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8 months ago

@canvas-js/chain-cosmos

The Cosmos session signer takes an injected Cosmos signer, which may be an EthereumSigner, AminoSigner, or BytesSigner, and uses it to authenticate a new session.

It also handles verification of messages matching any of these authentication methods.

Table of Contents

Installation
API

Installation

npm i @canvas-js/chain-cosmos

API

import type { Signature, SessionSigner, Action, Message, Session } from "@canvas-js/interfaces"
import { CosmosSessionData, ExternalCosmosSigner } from "./types.js"
export interface CosmosSignerInit {
  signer?: ExternalCosmosSigner
  sessionDuration?: number
  bech32Prefix?: string
}
export declare class CosmosSigner implements SessionSigner {
  constructor({ signer, sessionDuration, bech32Prefix }?: CosmosSignerInit)

  readonly match: (address: string) => boolean
  verifySession(topic: string, session: Session): Promise<void>
  getSession(
    topic: string,
    options?: {
      timestamp?: number
      fromCache?: boolean
    },
  ): Promise<Session<CosmosSessionData>>
  sign(message: Message<Action | Session>): Signature
  clear(topic: string): Promise<void>
}

@canvas-js/interfaces @canvas-js/signatures @canvas-js/utils @cosmjs/amino @cosmjs/crypto @cosmjs/encoding @ipld/dag-cbor @ipld/dag-json @keplr-wallet/types @libp2p/logger @noble/curves @noble/hashes ethers multiformats

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

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