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Просмотр файла: celo-provider.js
"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 };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CeloProvider = exports.assertIsCeloProvider = void 0;
var lock_1 = require("@celo/base/lib/lock");
var debug_1 = __importDefault(require("debug"));
var provider_utils_1 = require("./utils/provider-utils");
var rpc_caller_1 = require("./utils/rpc-caller");
var debug = (0, debug_1.default)('provider:connection');
var debugPayload = (0, debug_1.default)('provider:payload');
var debugTxToSend = (0, debug_1.default)('provider:tx-to-send');
var debugEncodedTx = (0, debug_1.default)('provider:encoded-tx');
var debugResponse = (0, debug_1.default)('provider:response');
var InterceptedMethods;
(function (InterceptedMethods) {
InterceptedMethods["accounts"] = "eth_accounts";
InterceptedMethods["sendTransaction"] = "eth_sendTransaction";
InterceptedMethods["signTransaction"] = "eth_signTransaction";
InterceptedMethods["sign"] = "eth_sign";
InterceptedMethods["personalSign"] = "personal_sign";
InterceptedMethods["signTypedData"] = "eth_signTypedData";
InterceptedMethods["signTypedDataV1"] = "eth_signTypedData_v1";
InterceptedMethods["signTypedDataV3"] = "eth_signTypedData_v3";
InterceptedMethods["signTypedDataV4"] = "eth_signTypedData_v4";
InterceptedMethods["signTypedDataV5"] = "eth_signTypedData_v5";
})(InterceptedMethods || (InterceptedMethods = {}));
function assertIsCeloProvider(provider) {
if (!(provider instanceof CeloProvider)) {
throw new Error('A different Provider was manually added to the kit. The kit should have a CeloProvider');
}
}
exports.assertIsCeloProvider = assertIsCeloProvider;
/*
* CeloProvider wraps a web3.js provider for use with Celo
*/
var CeloProvider = /** @class */ (function () {
function CeloProvider(existingProvider, connection) {
this.existingProvider = existingProvider;
this.connection = connection;
this.alreadyStopped = false;
// Transaction nonce is calculated as the max of an account's nonce on-chain, and any pending transactions in a node's
// transaction pool. As a result, once a nonce is used, the transaction must be sent to the node before the nonce can
// be calculated for another transaction. In particular the sign and send operation must be completed atomically with
// relation to other sign and send operations.
this.nonceLock = new lock_1.Lock();
this.addProviderDelegatedFunctions();
}
// @deprecated Use the `addAccount` from the Connection
CeloProvider.prototype.addAccount = function (privateKey) {
this.connection.addAccount(privateKey);
};
// @deprecated Use the `removeAccount` from the Connection
CeloProvider.prototype.removeAccount = function (address) {
this.connection.removeAccount(address);
};
// @deprecated Use the `getAccounts` from the Connection
CeloProvider.prototype.getAccounts = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.connection.getAccounts()];
});
});
};
CeloProvider.prototype.isLocalAccount = function (address) {
return this.connection.wallet != null && this.connection.wallet.hasAccount(address);
};
/**
* Send method as expected by web3.js
*/
CeloProvider.prototype.send = function (payload, callback) {
var txParams;
var address;
debugPayload('%O', payload);
var decoratedCallback = function (error, result) {
debugResponse('%O', result);
callback(error, result);
};
if (this.alreadyStopped) {
throw Error('CeloProvider already stopped');
}
switch (payload.method) {
case InterceptedMethods.accounts: {
(0, rpc_caller_1.rpcCallHandler)(payload, this.handleAccounts.bind(this), decoratedCallback);
return;
}
case InterceptedMethods.sendTransaction: {
this.checkPayloadWithAtLeastNParams(payload, 1);
txParams = payload.params[0];
if (this.connection.isLocalAccount(txParams.from)) {
(0, rpc_caller_1.rpcCallHandler)(payload, this.handleSendTransaction.bind(this), decoratedCallback);
}
else {
this.forwardSend(payload, callback);
}
return;
}
case InterceptedMethods.signTransaction: {
this.checkPayloadWithAtLeastNParams(payload, 1);
txParams = payload.params[0];
if (this.connection.isLocalAccount(txParams.from)) {
(0, rpc_caller_1.rpcCallHandler)(payload, this.handleSignTransaction.bind(this), decoratedCallback);
}
else {
this.forwardSend(payload, callback);
}
return;
}
case InterceptedMethods.sign:
case InterceptedMethods.personalSign: {
this.checkPayloadWithAtLeastNParams(payload, 2);
address = payload.method === InterceptedMethods.sign ? payload.params[0] : payload.params[1];
if (this.connection.isLocalAccount(address)) {
(0, rpc_caller_1.rpcCallHandler)(payload, this.handleSignPersonalMessage.bind(this), decoratedCallback);
}
else {
this.forwardSend(payload, callback);
}
return;
}
case InterceptedMethods.signTypedData:
case InterceptedMethods.signTypedDataV1:
case InterceptedMethods.signTypedDataV3:
case InterceptedMethods.signTypedDataV4:
case InterceptedMethods.signTypedDataV5: {
this.checkPayloadWithAtLeastNParams(payload, 1);
address = payload.params[0];
if (this.connection.isLocalAccount(address)) {
(0, rpc_caller_1.rpcCallHandler)(payload, this.handleSignTypedData.bind(this), decoratedCallback);
}
else {
this.forwardSend(payload, callback);
}
return;
}
default: {
this.forwardSend(payload, callback);
return;
}
}
};
CeloProvider.prototype.stop = function () {
if (this.alreadyStopped) {
return;
}
try {
(0, provider_utils_1.stopProvider)(this.existingProvider);
this.alreadyStopped = true;
}
catch (error) {
debug("Failed to close the connection: ".concat(error));
}
};
CeloProvider.prototype.handleAccounts = function (_payload) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.connection.getAccounts()];
});
});
};
CeloProvider.prototype.handleSignTypedData = function (payload) {
return __awaiter(this, void 0, void 0, function () {
var _a, address, typedData, signature;
return __generator(this, function (_b) {
_a = payload.params, address = _a[0], typedData = _a[1];
signature = this.connection.wallet.signTypedData(address, typedData);
return [2 /*return*/, signature];
});
});
};
CeloProvider.prototype.handleSignPersonalMessage = function (payload) {
return __awaiter(this, void 0, void 0, function () {
var address, data, ecSignatureHex;
return __generator(this, function (_a) {
address = payload.method === 'eth_sign' ? payload.params[0] : payload.params[1];
data = payload.method === 'eth_sign' ? payload.params[1] : payload.params[0];
ecSignatureHex = this.connection.wallet.signPersonalMessage(address, data);
return [2 /*return*/, ecSignatureHex];
});
});
};
CeloProvider.prototype.handleSignTransaction = function (payload) {
return __awaiter(this, void 0, void 0, function () {
var txParams, filledParams, signedTx;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
txParams = payload.params[0];
return [4 /*yield*/, this.connection.paramsPopulator.populate(txParams)];
case 1:
filledParams = _a.sent();
debugTxToSend('%O', filledParams);
return [4 /*yield*/, this.connection.wallet.signTransaction(filledParams)];
case 2:
signedTx = _a.sent();
debugEncodedTx('%O', signedTx);
return [2 /*return*/, signedTx];
}
});
});
};
CeloProvider.prototype.handleSendTransaction = function (payload) {
return __awaiter(this, void 0, void 0, function () {
var signedTx, response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.nonceLock.acquire()];
case 1:
_a.sent();
_a.label = 2;
case 2:
_a.trys.push([2, , 5, 6]);
return [4 /*yield*/, this.handleSignTransaction(payload)];
case 3:
signedTx = _a.sent();
return [4 /*yield*/, this.connection.rpcCaller.call('eth_sendRawTransaction', [
signedTx.raw,
])];
case 4:
response = _a.sent();
return [2 /*return*/, response.result];
case 5:
this.nonceLock.release();
return [7 /*endfinally*/];
case 6: return [2 /*return*/];
}
});
});
};
CeloProvider.prototype.forwardSend = function (payload, callback) {
this.connection.rpcCaller.send(payload, callback);
};
CeloProvider.prototype.checkPayloadWithAtLeastNParams = function (payload, n) {
if (!payload.params || payload.params.length < n) {
throw Error('Invalid params');
}
};
// Functions required to act as a delefator for the existingProvider
CeloProvider.prototype.addProviderDelegatedFunctions = function () {
if ((0, provider_utils_1.hasProperty)(this.existingProvider, 'on')) {
// @ts-ignore
this.on = this.defaultOn;
}
if ((0, provider_utils_1.hasProperty)(this.existingProvider, 'once')) {
// @ts-ignore
this.once = this.defaultOnce;
}
if ((0, provider_utils_1.hasProperty)(this.existingProvider, 'removeListener')) {
// @ts-ignore
this.removeListener = this.defaultRemoveListener;
}
if ((0, provider_utils_1.hasProperty)(this.existingProvider, 'removeAllListener')) {
// @ts-ignore
this.removeAllListener = this.defaultRemoveAllListeners;
}
if ((0, provider_utils_1.hasProperty)(this.existingProvider, 'reset')) {
// @ts-ignore
this.reset = this.defaultReset;
}
};
Object.defineProperty(CeloProvider.prototype, "connected", {
get: function () {
return this.existingProvider.connected;
},
enumerable: false,
configurable: true
});
CeloProvider.prototype.supportsSubscriptions = function () {
return this.existingProvider.supportsSubscriptions();
};
CeloProvider.prototype.defaultOn = function (type, callback) {
;
this.existingProvider.on(type, callback);
};
CeloProvider.prototype.defaultOnce = function (type, callback) {
;
this.existingProvider.once(type, callback);
};
CeloProvider.prototype.defaultRemoveListener = function (type, callback) {
;
this.existingProvider.removeListener(type, callback);
};
CeloProvider.prototype.defaultRemoveAllListeners = function (type) {
;
this.existingProvider.removeAllListeners(type);
};
CeloProvider.prototype.defaultReset = function () {
;
this.existingProvider.reset();
};
return CeloProvider;
}());
exports.CeloProvider = CeloProvider;
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