calimero-wallet-utils/lib/index.js

Calimero wallet integration utils

"use strict";
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    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CalimeroWalletUtils = void 0;
const NearAPI = __importStar(require("near-api-js"));
class CalimeroWalletUtils {
    static init(config) {
        return new CalimeroWalletUtils(config);
    }
    constructor(config) {
        this.config = config;
    }
    async fetchChallenge() {
        const response = await fetch(`${this.config.calimeroUrl}/api/public/challenge`, {
            headers: {
                'Content-type': 'application/json; charset=utf-8',
            },
            method: 'POST',
        });
        if (!response.ok) {
            const body = await response.text();
            let parsedBody;
            try {
                parsedBody = JSON.parse(body);
            }
            catch (e) {
                throw new Error(`${response.status} ${body}`);
            }
            throw new Error(`${response.status}, ${parsedBody}`);
        }
        return await response.json();
    }
    async signatureForChallenge(accountId, signer, challenge) {
        const signed = await signer.signMessage(Buffer.from(challenge), accountId, this.config.walletNetworkId);
        const signature = Buffer.from(signed.signature).toString('base64');
        const publicKey = signed.publicKey.toString();
        return { challenge, signature, publicKey, accountId };
    }
    async generatePrivateShardXSignature(accountId, signer) {
        const challenge = await this.fetchChallenge();
        const signedChallenge = await this.signatureForChallenge(accountId, signer, challenge.data);
        const encodedSig = Buffer.from(JSON.stringify(signedChallenge)).toString('base64');
        return encodedSig;
    }
    async syncPrivateShardAccount(accountId, signer) {
        const xSignature = await this.generatePrivateShardXSignature(accountId, signer);
        await this.syncAccount(accountId, xSignature);
    }
    async getCalimeroConnection(keyStore, xSignature) {
        const calimero = await NearAPI.connect({
            headers: {
                'x-signature': xSignature,
            },
            keyStore,
            networkId: this.config.walletNetworkId,
            nodeUrl: this.config.rpcEndpoint,
        });
        return calimero;
    }
    async syncAccount(accountId, xSignature) {
        const postData = {
            accountId,
            shardId: this.config.shardId,
        };
        const response = await fetch(`${this.config.calimeroUrl}/api/public/sync`, {
            body: JSON.stringify(postData),
            headers: {
                'Content-type': 'application/json; charset=utf-8',
                'x-signature': xSignature,
            },
            method: 'POST',
        });
        if (!response.ok) {
            const body = await response.text();
            let parsedBody;
            try {
                parsedBody = JSON.parse(body);
            }
            catch (e) {
                throw new Error(`${response.status} ${body}`);
            }
            throw new Error(`${response.status}, ${parsedBody}`);
        }
        return await response.json();
    }
}
exports.CalimeroWalletUtils = CalimeroWalletUtils;