@gnolang/tm2-js-client
Version:
Tendermint2 JS / TS Client
110 lines (109 loc) • 5.96 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
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var __generator = (this && this.__generator) || function (thisArg, body) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.LedgerSigner = void 0;
var utility_1 = require("../utility");
var crypto_1 = require("@cosmjs/crypto");
var amino_1 = require("@cosmjs/amino");
/**
* LedgerSigner implements the logic for the Ledger device signer
*/
var LedgerSigner = /** @class */ (function () {
/**
* Creates a new Ledger device signer instance
* @param {LedgerConnector} connector the Ledger connector
* @param {number} accountIndex the desired account index
* @param {string} addressPrefix the address prefix
*/
function LedgerSigner(connector, accountIndex, addressPrefix) {
if (addressPrefix === void 0) { addressPrefix = utility_1.defaultAddressPrefix; }
var _this = this;
this.getAddress = function () { return __awaiter(_this, void 0, void 0, function () {
var compressedPubKey;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!this.connector) {
throw new Error('Ledger not connected');
}
return [4 /*yield*/, this.connector.getPubkey(this.hdPath)];
case 1:
compressedPubKey = _a.sent();
return [2 /*return*/, (0, amino_1.pubkeyToAddress)((0, amino_1.encodeSecp256k1Pubkey)(compressedPubKey), this.addressPrefix)];
}
});
}); };
this.getPublicKey = function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!this.connector) {
throw new Error('Ledger not connected');
}
return [2 /*return*/, this.connector.getPubkey(this.hdPath)];
});
}); };
this.getPrivateKey = function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
throw new Error('Ledger does not support private key exports');
});
}); };
this.signData = function (data) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!this.connector) {
throw new Error('Ledger not connected');
}
return [2 /*return*/, this.connector.sign(data, this.hdPath)];
});
}); };
this.verifySignature = function (data, signature) { return __awaiter(_this, void 0, void 0, function () {
var publicKey;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getPublicKey()];
case 1:
publicKey = _a.sent();
return [2 /*return*/, crypto_1.Secp256k1.verifySignature(crypto_1.Secp256k1Signature.fromFixedLength(signature), (0, crypto_1.sha256)(data), publicKey)];
}
});
}); };
this.connector = connector;
this.hdPath = (0, utility_1.generateHDPath)(accountIndex);
this.addressPrefix = addressPrefix;
}
return LedgerSigner;
}());
exports.LedgerSigner = LedgerSigner;