@siacentral/ledgerjs-sia
Version:
Ledger hardware wallet Siacoin API.
279 lines • 13.7 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(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 (g && (g = 0, op[0] && (_ = 0)), _) 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 };
}
};
exports.__esModule = true;
var buffer_1 = require("buffer");
var base64_1 = require("@stablelib/base64");
function uint32ToBuffer(val) {
var buf = buffer_1.Buffer.alloc(4);
buf.writeUInt32LE(val, 0);
return buf;
}
/**
* Sia
*
* @example
* import Sia from '@siacentral/ledgerjs-sia';
* const sia = new Sia(transport)
*/
var Sia = /** @class */ (function () {
function Sia(transport, scrambleKey) {
if (scrambleKey === void 0) { scrambleKey = 'Sia'; }
this.transport = transport;
transport.decorateAppAPIMethods(this, [
'signTransactionV044',
'signTransaction',
'signV2Transaction',
'verifyPublicKey',
'verifyStandardAddress',
'signHash',
], scrambleKey);
}
/**
* getVersion returns the version of the Sia app
*
* @returns {string} the current version of the Sia app.
*/
Sia.prototype.getVersion = function () {
return __awaiter(this, void 0, void 0, function () {
var resp;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.transport.send(0xe0, 0x01, 0x00, 0x00, buffer_1.Buffer.alloc(0))];
case 1:
resp = _a.sent();
return [2 /*return*/, "v".concat(resp[0], ".").concat(resp[1], ".").concat(resp[2])];
}
});
});
};
/**
* verifyPublicKey returns the public key and standard Sia address for
* the provided public key index. The user will be asked to verify the
* public key on the display. A standard address is defined as an address
* having 1 public key, requiring 1 signature, and no timelock.
* @param index {number} the index of the public key
* @returns {VerifyResponse} the public key and standard address
*/
Sia.prototype.verifyPublicKey = function (index) {
return __awaiter(this, void 0, void 0, function () {
var resp;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.transport.send(0xe0, 0x02, 0x00, 0x01, uint32ToBuffer(index))];
case 1:
resp = _a.sent();
// the status code is appended as the last 2 bytes of the response, but
// the transport already handles invalid codes.
return [2 /*return*/, {
publicKey: "ed25519:".concat(resp.slice(0, 32).reduce(function (v, b) { return v + ('0' + b.toString(16)).slice(-2); }, '')),
address: resp.slice(32, resp.length - 2).toString()
}];
}
});
});
};
/**
* verifyStandardAddress returns the public key and standard Sia address for
* the provided public key index. The user will be asked to verify the
* address on the display. A standard address is defined as an address
* having 1 public key, requiring 1 signature, and no timelock.
* @param index {number} the index of the public key
* @returns {VerifyResponse} the public key and standard address
*/
Sia.prototype.verifyStandardAddress = function (index) {
return __awaiter(this, void 0, void 0, function () {
var resp;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.transport.send(0xe0, 0x02, 0x00, 0x00, uint32ToBuffer(index))];
case 1:
resp = _a.sent();
// the status code is appended as the last 2 bytes of the response, but
// the transport already handles invalid codes.
return [2 /*return*/, {
publicKey: "ed25519:".concat(resp.slice(0, 32).reduce(function (v, b) { return v + ('0' + b.toString(16)).slice(-2); }, '')),
address: resp.slice(32, resp.length - 2).toString()
}];
}
});
});
};
/**
* signTransactionV044 signs the transaction with the provided key
* @deprecated deprecated in v0.4.5
* @param encodedTxn {Buffer} a sia encoded transaction
* @param sigIndex {number} the index of the signature to sign
* @param keyIndex {number} the index of the key to sign with
* @returns {string} the base64 encoded signature
*/
Sia.prototype.signTransactionV044 = function (encodedTxn, sigIndex, keyIndex) {
return __awaiter(this, void 0, void 0, function () {
var buf, resp, i;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
buf = buffer_1.Buffer.alloc(encodedTxn.length + 6);
resp = buffer_1.Buffer.alloc(0);
if (encodedTxn.length === 0)
throw new Error('empty transaction');
buf.writeUInt32LE(keyIndex, 0);
buf.writeUInt16LE(sigIndex, 4);
buf.set(encodedTxn, 6);
i = 0;
_a.label = 1;
case 1:
if (!(i < buf.length)) return [3 /*break*/, 4];
return [4 /*yield*/, this.transport.send(0xe0, 0x08, i === 0 ? 0x00 : 0x80, 0x01, buffer_1.Buffer.from(buf.subarray(i, i + 255)))];
case 2:
// INS_GET_TXN_HASH = 0x08
resp = _a.sent();
_a.label = 3;
case 3:
i += 255;
return [3 /*break*/, 1];
case 4:
console.log(resp);
console.log(resp.length);
return [2 /*return*/, (0, base64_1.encode)(resp.slice(0, resp.length - 2))];
}
});
});
};
/**
* signTransaction signs the transaction with the provided key
* @param encodedTxn {Buffer} a sia encoded transaction
* @param sigIndex {number} the index of the signature to sign
* @param keyIndex {number} the index of the key to sign with
* @param changeIndex {number} the index of the key used for the change output
* @returns {string} the base64 encoded signature
*/
Sia.prototype.signTransaction = function (encodedTxn, sigIndex, keyIndex, changeIndex) {
return __awaiter(this, void 0, void 0, function () {
var buf, resp, i;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
buf = buffer_1.Buffer.alloc(encodedTxn.length + 10);
resp = buffer_1.Buffer.alloc(0);
if (encodedTxn.length === 0)
throw new Error('empty transaction');
buf.writeUInt32LE(keyIndex, 0);
buf.writeUInt16LE(sigIndex, 4);
buf.writeUInt32LE(changeIndex, 6);
buf.set(encodedTxn, 10);
i = 0;
_a.label = 1;
case 1:
if (!(i < buf.length)) return [3 /*break*/, 4];
return [4 /*yield*/, this.transport.send(0xe0, 0x08, i === 0 ? 0x00 : 0x80, 0x01, buffer_1.Buffer.from(buf.subarray(i, i + 255)))];
case 2:
// INS_GET_TXN_HASH = 0x08
resp = _a.sent();
_a.label = 3;
case 3:
i += 255;
return [3 /*break*/, 1];
case 4: return [2 /*return*/, (0, base64_1.encode)(resp)];
}
});
});
};
/**
* signV2Transaction signs the v2 transaction with the provided key
* @param encodedTxn {Buffer} a sia encoded (V2TransactionSemantics) v2 transaction
* @param sigIndex {number} the index of the signature to sign
* @param keyIndex {number} the index of the key to sign with
* @param changeIndex {number} the index of the key used for the change output
* @returns {string} the base64 encoded signature
*/
Sia.prototype.signV2Transaction = function (encodedTxn, sigIndex, keyIndex, changeIndex) {
return __awaiter(this, void 0, void 0, function () {
var buf, resp, i;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
buf = buffer_1.Buffer.alloc(encodedTxn.length + 10);
resp = buffer_1.Buffer.alloc(0);
if (encodedTxn.length === 0)
throw new Error('empty transaction');
buf.writeUInt32LE(keyIndex, 0);
buf.writeUInt16LE(sigIndex, 4);
buf.writeUInt32LE(changeIndex, 6);
buf.set(encodedTxn, 10);
i = 0;
_a.label = 1;
case 1:
if (!(i < buf.length)) return [3 /*break*/, 4];
return [4 /*yield*/, this.transport.send(0xe0, 0x10, i === 0 ? 0x00 : 0x80, 0x01, buffer_1.Buffer.from(buf.subarray(i, i + 255)))];
case 2:
// INS_GET_V2TXN_HASH = 0x10
resp = _a.sent();
_a.label = 3;
case 3:
i += 255;
return [3 /*break*/, 1];
case 4: return [2 /*return*/, resp.reduce(function (v, b) { return v + ('0' + b.toString(16)).slice(-2); }, '')];
}
});
});
};
Sia.prototype.blindSign = function (sigHash, keyIndex) {
return __awaiter(this, void 0, void 0, function () {
var buf, resp;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
buf = buffer_1.Buffer.alloc(sigHash.length + 4);
resp = buffer_1.Buffer.alloc(0);
buf.writeUInt32LE(keyIndex);
buf.set(sigHash, 4);
return [4 /*yield*/, this.transport.send(0xe0, 0x04, 0x00, 0x00, buf)];
case 1:
resp = _a.sent();
return [2 /*return*/, resp.slice(0, resp.length - 2).reduce(function (v, b) { return v + ('0' + b.toString(16)).slice(-2); }, '')];
}
});
});
};
Sia.prototype.close = function () {
return this.transport.close();
};
return Sia;
}());
exports["default"] = Sia;
//# sourceMappingURL=sia.js.map