@qiushaoxi/hw-app-ont
Version:
Ledger Javascript API for ONT and NEO.
145 lines (144 loc) • 7.32 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var utils_1 = require("./utils");
var elliptic = __importStar(require("elliptic"));
var ontology_ts_sdk_1 = require("ontology-ts-sdk");
var VALID_STATUS = 0x9000;
var MSG_TOO_BIG = 0x6d08;
var APP_CLOSED = 0x6e00;
var TX_DENIED = 0x6985;
var TX_PARSE_ERR = 0x6d07;
var Ont = /** @class */ (function () {
function Ont(transport, scrambleKey) {
if (scrambleKey === void 0) { scrambleKey = 'ONT'; }
this.transport = transport;
//transport.decorateAppAPIMethods(this, ['getPublicKey', 'signMessage'], scrambleKey);
}
Ont.prototype.getPublicKey = function (path) {
return __awaiter(this, void 0, void 0, function () {
var pathBuffer, result, uncompressed, ec, keyPair, compressed, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
pathBuffer = utils_1.convertPathToBuffer(path);
return [4 /*yield*/, this.transport.send(0x80, 0x04, 0x00, 0x00, pathBuffer, [VALID_STATUS])];
case 1:
result = _a.sent();
uncompressed = result.toString('hex').substring(0, 130);
ec = new elliptic.ec(ontology_ts_sdk_1.Crypto.CurveLabel.SECP256R1.preset);
keyPair = ec.keyFromPublic(uncompressed, 'hex');
compressed = keyPair.getPublic(true, 'hex');
return [2 /*return*/, compressed];
case 2:
error_1 = _a.sent();
throw this._convertTransportError(error_1);
case 3: return [2 /*return*/];
}
});
});
};
Ont.prototype.signMessage = function (path, msg) {
return __awaiter(this, void 0, void 0, function () {
var pathBuffer, data, chunks, result, i, p1, chunk, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 5, , 6]);
pathBuffer = utils_1.convertPathToBuffer(path);
data = msg + pathBuffer.toString('hex');
chunks = data.match(/.{1,500}/g) || [];
if (chunks.length === 0) {
throw new Error("Invalid data provided: " + data);
}
result = null;
i = 0;
_a.label = 1;
case 1:
if (!(i < chunks.length)) return [3 /*break*/, 4];
p1 = i === chunks.length - 1 ? 0x80 : 0x00;
chunk = Buffer.from(chunks[i], 'hex');
return [4 /*yield*/, this.transport.send(0x80, 0x02, p1, 0x00, chunk, [VALID_STATUS])];
case 2:
result = _a.sent();
result = result && result.toString('hex');
_a.label = 3;
case 3:
i++;
return [3 /*break*/, 1];
case 4:
if (result === null || result === '9000') {
throw new Error('No more data but Ledger did not return signature!');
}
return [2 /*return*/, utils_1.convertDerToHex(result)];
case 5:
error_2 = _a.sent();
throw this._convertTransportError(error_2);
case 6: return [2 /*return*/];
}
});
});
};
Ont.prototype._convertTransportError = function (error) {
switch (error.statusCode) {
case APP_CLOSED:
error.message = 'Your ledger app is closed! Please login.';
break;
case MSG_TOO_BIG:
error.message = 'Your transaction is too big for the ledger to sign!';
break;
case TX_DENIED:
error.message = 'You have denied the transaction on your ledger.';
break;
case TX_PARSE_ERR:
error.message =
'Error parsing transaction. Make sure your ledger app version is up to date.';
break;
}
return error;
};
return Ont;
}());
exports.default = Ont;