varaconnect/dist/services/varaSigner.js

SDK to connect WalletConnect with Vara Network

import { TypeRegistry } from "@polkadot/types";
import { CAIP_ID_MAP } from "../constants/constants";
export class VaraSigner {
    constructor(client, session) {
        this.id = 0;
        this.signPayload = async (payload) => {
            const chainId = CAIP_ID_MAP["vara"];
            let request = {
                topic: this.session.topic,
                chainId,
                request: {
                    id: 1,
                    jsonrpc: "2.0",
                    method: "polkadot_signTransaction",
                    params: { address: payload.address, transactionPayload: payload },
                },
            };
            let { signature } = await this.client.request(request);
            return { id: ++this.id, signature };
        };
        this.signRaw = async (raw) => {
            const chainId = CAIP_ID_MAP["vara"];
            let request = {
                topic: this.session.topic,
                chainId,
                request: {
                    id: 1,
                    jsonrpc: "2.0",
                    method: "polkadot_signMessage",
                    params: { address: raw.address, message: raw.data },
                },
            };
            let { signature } = await this.client.request(request);
            return { id: ++this.id, signature };
        };
        this.client = client;
        this.session = session;
        this.registry = new TypeRegistry();
    }
}