@ledgerhq/coin-near/lib/signOperation.js

Near Coin integration

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    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.buildSignOperation = void 0;
const nearAPI = __importStar(require("near-api-js"));
const bignumber_js_1 = require("bignumber.js");
const rxjs_1 = require("rxjs");
const errors_1 = require("@ledgerhq/errors");
const buildOptimisticOperation_1 = require("./buildOptimisticOperation");
const buildTransaction_1 = require("./buildTransaction");
/**
 * Sign Transaction with Ledger hardware
 */
const buildSignOperation = (signerContext) => ({ account, transaction, deviceId, }) => new rxjs_1.Observable(o => {
    async function main() {
        o.next({ type: "device-signature-requested" });
        if (!transaction.fees) {
            throw new errors_1.FeeNotLoaded();
        }
        const { publicKey } = await signerContext(deviceId, signer => signer.getAddress(account.freshAddressPath));
        const unsigned = await (0, buildTransaction_1.buildTransaction)(account, transaction, publicKey);
        const response = await signerContext(deviceId, signer => signer.signTransaction(unsigned.encode(), account.freshAddressPath));
        const signedTransaction = new nearAPI.transactions.SignedTransaction({
            transaction: unsigned,
            signature: new nearAPI.transactions.Signature({
                keyType: unsigned.publicKey.keyType,
                data: response,
            }),
        });
        o.next({ type: "device-signature-granted" });
        const operation = (0, buildOptimisticOperation_1.buildOptimisticOperation)(account, transaction, transaction.fees ?? new bignumber_js_1.BigNumber(0));
        const signedSerializedTx = signedTransaction.encode();
        o.next({
            type: "signed",
            signedOperation: {
                operation,
                signature: Buffer.from(signedSerializedTx).toString("base64"),
            },
        });
    }
    main().then(() => o.complete(), e => o.error(e));
});
exports.buildSignOperation = buildSignOperation;
exports.default = exports.buildSignOperation;
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