eosjs
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Talk to eos API
144 lines • 8.12 kB
JavaScript
;
/**
* @module JS-Sig
*/
// copyright defined in eosjs/LICENSE.txt
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 (_) 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 __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsSignatureProvider = exports.digestFromSerializedData = exports.Signature = exports.PublicKey = exports.PrivateKey = void 0;
var elliptic_1 = require("elliptic");
var eosjs_key_conversions_1 = require("./eosjs-key-conversions");
Object.defineProperty(exports, "PrivateKey", { enumerable: true, get: function () { return eosjs_key_conversions_1.PrivateKey; } });
Object.defineProperty(exports, "PublicKey", { enumerable: true, get: function () { return eosjs_key_conversions_1.PublicKey; } });
Object.defineProperty(exports, "Signature", { enumerable: true, get: function () { return eosjs_key_conversions_1.Signature; } });
var eosjs_numeric_1 = require("./eosjs-numeric");
/** expensive to construct; so we do it once and reuse it */
var defaultEc = new elliptic_1.ec('secp256k1');
/** Construct the digest from transaction details */
var digestFromSerializedData = function (chainId, serializedTransaction, serializedContextFreeData, e) {
if (e === void 0) { e = defaultEc; }
var signBuf = Buffer.concat([
Buffer.from(chainId, 'hex'),
Buffer.from(serializedTransaction),
Buffer.from(serializedContextFreeData ?
new Uint8Array(e.hash().update(serializedContextFreeData).digest()) :
new Uint8Array(32)),
]);
return e.hash().update(signBuf).digest();
};
exports.digestFromSerializedData = digestFromSerializedData;
/** Signs transactions using in-process private keys */
var JsSignatureProvider = /** @class */ (function () {
/** @param privateKeys private keys to sign with */
function JsSignatureProvider(privateKeys) {
var e_1, _a;
/** map public to private keys */
this.keys = new Map();
/** public keys */
this.availableKeys = [];
try {
for (var privateKeys_1 = __values(privateKeys), privateKeys_1_1 = privateKeys_1.next(); !privateKeys_1_1.done; privateKeys_1_1 = privateKeys_1.next()) {
var k = privateKeys_1_1.value;
var priv = eosjs_key_conversions_1.PrivateKey.fromString(k);
var privElliptic = priv.toElliptic();
var pubStr = priv.getPublicKey().toString();
this.keys.set(pubStr, privElliptic);
this.availableKeys.push(pubStr);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (privateKeys_1_1 && !privateKeys_1_1.done && (_a = privateKeys_1.return)) _a.call(privateKeys_1);
}
finally { if (e_1) throw e_1.error; }
}
}
/** Public keys associated with the private keys that the `SignatureProvider` holds */
JsSignatureProvider.prototype.getAvailableKeys = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.availableKeys];
});
});
};
/** Sign a transaction */
JsSignatureProvider.prototype.sign = function (_a) {
var chainId = _a.chainId, requiredKeys = _a.requiredKeys, serializedTransaction = _a.serializedTransaction, serializedContextFreeData = _a.serializedContextFreeData;
return __awaiter(this, void 0, void 0, function () {
var digest, signatures, requiredKeys_1, requiredKeys_1_1, key, publicKey, ellipticPrivateKey, privateKey, signature;
var e_2, _b;
return __generator(this, function (_c) {
digest = digestFromSerializedData(chainId, serializedTransaction, serializedContextFreeData, defaultEc);
signatures = [];
try {
for (requiredKeys_1 = __values(requiredKeys), requiredKeys_1_1 = requiredKeys_1.next(); !requiredKeys_1_1.done; requiredKeys_1_1 = requiredKeys_1.next()) {
key = requiredKeys_1_1.value;
publicKey = eosjs_key_conversions_1.PublicKey.fromString(key);
ellipticPrivateKey = this.keys.get(eosjs_numeric_1.convertLegacyPublicKey(key));
privateKey = eosjs_key_conversions_1.PrivateKey.fromElliptic(ellipticPrivateKey, publicKey.getType());
signature = privateKey.sign(digest, false);
signatures.push(signature.toString());
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (requiredKeys_1_1 && !requiredKeys_1_1.done && (_b = requiredKeys_1.return)) _b.call(requiredKeys_1);
}
finally { if (e_2) throw e_2.error; }
}
return [2 /*return*/, { signatures: signatures, serializedTransaction: serializedTransaction, serializedContextFreeData: serializedContextFreeData }];
});
});
};
return JsSignatureProvider;
}());
exports.JsSignatureProvider = JsSignatureProvider;
//# sourceMappingURL=eosjs-jssig.js.map