signTypedData

signTypedData supports signing typed data from the ArcanaAuthSigner.

This method must be called after authenticate. Otherwise, this method will throw an error with the message Not Authenticated.

Usage

example.ts

import { createArcanaAuthSigner } from "./arcana-auth";

const newArcanaAuthSigner = await createArcanaAuthSigner();

const signedTypedData = await newArcanaAuthSigner.signTypedData({
  domain: {
    name: "Ether Mail",
    version: "1",
    chainId: 1,
    verifyingContract: "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
  },
  types: {
    Person: [
      { name: "name", type: "string" },
      { name: "wallet", type: "address" },
    ],
    Mail: [
      { name: "from", type: "Person" },
      { name: "to", type: "Person" },
      { name: "contents", type: "string" },
    ],
  },
  primaryType: "Mail",
  message: {
    from: {
      name: "Cow",
      wallet: "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
    },
    to: {
      name: "Bob",
      wallet: "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
    },
    contents: "Hello, Bob!",
  },
});

arcana-auth.ts

import { ArcanaAuthSigner } from "@alchemy/aa-signers/arcana-auth";

// See https://docs.arcana.network/quick-start/vue-quick-start#step-3-integrate-app for details.
const clientId = "xar_test_...";

export const createArcanaAuthSigner = async () => {
  const arcanaAuthSigner = new ArcanaAuthSigner({ clientId, params: {} });

  await arcanaAuthSigner.authenticate({
    async init() {
      await arcanaAuthSigner.inner.init();
    },
    async connect() {
      await arcanaAuthSigner.inner.connect();
    },
  });

  return arcanaAuthSigner;
};

Returns

Promise<Hex>

A Promise containing the signature of the typed data.

Parameters

params: SignTypedDataParams -- the typed data to sign

• domain: TypedDataDomain -- The typed data domain
• types: Object -- the type definitions for the typed data
• primaryType: inferred String -- the primary type to extract from types and use in value
• message: inferred from types & primaryType -- the message, inferred from