UNPKG

airgap-coin-lib

Version:

The airgap-coin-lib is a protocol agnostic library to prepare, sign and broadcast cryptocurrency transactions.

133 lines 7.8 kB
"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 (_) 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 }; } }; Object.defineProperty(exports, "__esModule", { value: true }); var bs58check = require("../../dependencies/src/bs58check-2.1.2/index"); var rlp = require("../../dependencies/src/rlp-2.2.3/index"); var _1 = require("."); var constants_1 = require("./constants"); var errors_1 = require("./errors"); var toBuffer_1 = require("./utils/toBuffer"); var wallet_sync_serializer_1 = require("./wallet-sync.serializer"); var SyncProtocolKeys; (function (SyncProtocolKeys) { SyncProtocolKeys[SyncProtocolKeys["VERSION"] = 0] = "VERSION"; SyncProtocolKeys[SyncProtocolKeys["TYPE"] = 1] = "TYPE"; SyncProtocolKeys[SyncProtocolKeys["PROTOCOL"] = 2] = "PROTOCOL"; SyncProtocolKeys[SyncProtocolKeys["PAYLOAD"] = 3] = "PAYLOAD"; })(SyncProtocolKeys = exports.SyncProtocolKeys || (exports.SyncProtocolKeys = {})); var EncodedType; (function (EncodedType) { EncodedType[EncodedType["UNSIGNED_TRANSACTION"] = 0] = "UNSIGNED_TRANSACTION"; EncodedType[EncodedType["SIGNED_TRANSACTION"] = 1] = "SIGNED_TRANSACTION"; EncodedType[EncodedType["WALLET_SYNC"] = 2] = "WALLET_SYNC"; })(EncodedType = exports.EncodedType || (exports.EncodedType = {})); var SyncProtocolUtils = /** @class */ (function () { function SyncProtocolUtils() { } SyncProtocolUtils.prototype.serialize = function (deserializedSyncProtocol) { return __awaiter(this, void 0, void 0, function () { var version, type, protocol, typedPayload, untypedPayload, toRlpEncode, rlpEncoded; return __generator(this, function (_a) { version = toBuffer_1.toBuffer(constants_1.SERIALIZER_VERSION); type = toBuffer_1.toBuffer(deserializedSyncProtocol.type.toString()); protocol = toBuffer_1.toBuffer(deserializedSyncProtocol.protocol); typedPayload = deserializedSyncProtocol.payload; switch (deserializedSyncProtocol.type) { case EncodedType.UNSIGNED_TRANSACTION: untypedPayload = _1.unsignedTransactionSerializerByProtocolIdentifier(deserializedSyncProtocol.protocol).serialize(typedPayload); break; case EncodedType.SIGNED_TRANSACTION: untypedPayload = _1.signedTransactionSerializerByProtocolIdentifier(deserializedSyncProtocol.protocol).serialize(typedPayload); break; case EncodedType.WALLET_SYNC: untypedPayload = new wallet_sync_serializer_1.WalletSerializer().serialize(typedPayload); break; default: throw new errors_1.TypeNotSupported(); } toRlpEncode = []; toRlpEncode[SyncProtocolKeys.VERSION] = version; toRlpEncode[SyncProtocolKeys.TYPE] = type; toRlpEncode[SyncProtocolKeys.PROTOCOL] = protocol; toRlpEncode[SyncProtocolKeys.PAYLOAD] = untypedPayload; rlpEncoded = rlp.encode(toRlpEncode); // as any is necessary due to https://github.com/ethereumjs/rlp/issues/35 return [2 /*return*/, bs58check.encode(rlpEncoded)]; }); }); }; SyncProtocolUtils.prototype.deserialize = function (serializedSyncProtocol) { return __awaiter(this, void 0, void 0, function () { var base58Decoded, rlpDecodedTx, version, type, protocol, payload, typedPayload; return __generator(this, function (_a) { base58Decoded = bs58check.decode(serializedSyncProtocol); rlpDecodedTx = rlp.decode(base58Decoded); version = parseInt(rlpDecodedTx[SyncProtocolKeys.VERSION].toString(), 10); if (version !== constants_1.SERIALIZER_VERSION) { throw new errors_1.SerializerVersionMismatch(); } type = parseInt(rlpDecodedTx[SyncProtocolKeys.TYPE].toString(), 10); protocol = rlpDecodedTx[SyncProtocolKeys.PROTOCOL].toString() // TODO: Verify ; payload = rlpDecodedTx[SyncProtocolKeys.PAYLOAD]; switch (type) { case EncodedType.UNSIGNED_TRANSACTION: typedPayload = _1.unsignedTransactionSerializerByProtocolIdentifier(protocol).deserialize(payload); break; case EncodedType.SIGNED_TRANSACTION: typedPayload = _1.signedTransactionSerializerByProtocolIdentifier(protocol).deserialize(payload); break; case EncodedType.WALLET_SYNC: typedPayload = new wallet_sync_serializer_1.WalletSerializer().deserialize(payload); break; default: throw new errors_1.TypeNotSupported(); } return [2 /*return*/, { version: version, type: type, protocol: protocol, payload: typedPayload }]; }); }); }; return SyncProtocolUtils; }()); exports.SyncProtocolUtils = SyncProtocolUtils; //# sourceMappingURL=serializer.js.map