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Просмотр файла: connection.js

"use strict";
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Connection = void 0;
var address_1 = require("@celo/utils/lib/address");
var sign_typed_data_utils_1 = require("@celo/utils/lib/sign-typed-data-utils");
var signatureUtils_1 = require("@celo/utils/lib/signatureUtils");
var debug_1 = __importDefault(require("debug"));
var celo_provider_1 = require("./celo-provider");
var abi_utils_1 = require("./utils/abi-utils");
var formatter_1 = require("./utils/formatter");
var provider_utils_1 = require("./utils/provider-utils");
var rpc_caller_1 = require("./utils/rpc-caller");
var tx_params_normalizer_1 = require("./utils/tx-params-normalizer");
var tx_result_1 = require("./utils/tx-result");
var debugGasEstimation = (0, debug_1.default)('connection:gas-estimation');
/**
 * Connection is a Class for connecting to Celo, sending Transactions, etc
 * @param web3 an instance of web3
 * @optional wallet a child class of {@link WalletBase}
 * @optional handleRevert sets handleRevert on the web3.eth instance passed in
 */
var Connection = /** @class */ (function () {
    function Connection(web3, wallet, handleRevert) {
        if (handleRevert === void 0) { handleRevert = true; }
        var _this = this;
        var _a;
        this.web3 = web3;
        this.wallet = wallet;
        /** @deprecated no longer needed since gasPrice is available on minimumClientVersion node rpc */
        this.currencyGasPrice = new Map();
        this.keccak256 = function (value) {
            return _this.web3.utils.keccak256(value);
        };
        this.hexToAscii = function (hex) {
            return _this.web3.utils.hexToAscii(hex);
        };
        /**
         * Send a transaction to celo-blockchain.
         *
         * Similar to `web3.eth.sendTransaction()` but with following differences:
         *  - applies connections tx's defaults
         *  - estimatesGas before sending
         *  - returns a `TransactionResult` instead of `PromiEvent`
         */
        this.sendTransaction = function (tx) { return __awaiter(_this, void 0, void 0, function () {
            var gas;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        tx = this.fillTxDefaults(tx);
                        tx = this.fillGasPrice(tx);
                        gas = tx.gas;
                        if (!(gas == null)) return [3 /*break*/, 2];
                        return [4 /*yield*/, this.estimateGasWithInflationFactor(tx)];
                    case 1:
                        gas = _a.sent();
                        _a.label = 2;
                    case 2: return [2 /*return*/, (0, tx_result_1.toTxResult)(this.web3.eth.sendTransaction(__assign(__assign({}, tx), { gas: gas })))];
                }
            });
        }); };
        this.sendTransactionObject = function (txObj, tx) { return __awaiter(_this, void 0, void 0, function () {
            var gas, gasEstimator, getCallTx_1, caller;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        tx = this.fillTxDefaults(tx);
                        tx = this.fillGasPrice(tx);
                        gas = tx.gas;
                        if (!(gas == null)) return [3 /*break*/, 2];
                        gasEstimator = function (_tx) { return txObj.estimateGas(__assign({}, _tx)); };
                        getCallTx_1 = function (_tx) {
                            // @ts-ignore missing _parent property from TransactionObject type.
                            return __assign(__assign({}, _tx), { data: txObj.encodeABI(), to: txObj._parent._address });
                        };
                        caller = function (_tx) { return _this.web3.eth.call(getCallTx_1(_tx)); };
                        return [4 /*yield*/, this.estimateGasWithInflationFactor(tx, gasEstimator, caller)];
                    case 1:
                        gas = _a.sent();
                        _a.label = 2;
                    case 2: return [2 /*return*/, (0, tx_result_1.toTxResult)(txObj.send(__assign(__assign({}, tx), { gas: gas })))];
                }
            });
        }); };
        /*
         * @param signer - The address of account signing this data
         * @param typedData - Structured data to be signed
         * @param version - Optionally provide a version which will be appended to the method. E.G. (4) becomes 'eth_signTypedData_v4'
         * @remarks Some providers like Metamask treat eth_signTypedData differently from versioned method eth_signTypedData_v4
         * @see [Metamask info in signing Typed Data](https://docs.metamask.io/guide/signing-data.html)
         */
        this.signTypedData = function (signer, typedData, version) { return __awaiter(_this, void 0, void 0, function () {
            var shouldStringify, signature, messageHash;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        shouldStringify = version === 3 || version === 4;
                        return [4 /*yield*/, new Promise(function (resolve, reject) {
                                var method = version ? "eth_signTypedData_v".concat(version) : 'eth_signTypedData';
                                _this.web3.currentProvider.send({
                                    id: (0, rpc_caller_1.getRandomId)(),
                                    jsonrpc: '2.0',
                                    method: method,
                                    params: [
                                        (0, formatter_1.inputAddressFormatter)(signer),
                                        shouldStringify ? JSON.stringify(typedData) : typedData,
                                    ],
                                }, function (error, resp) {
                                    if (error) {
                                        reject(error);
                                    }
                                    else if (resp) {
                                        resolve(resp.result);
                                    }
                                    else {
                                        reject(new Error('empty-response'));
                                    }
                                });
                            })];
                    case 1:
                        signature = _a.sent();
                        messageHash = (0, address_1.ensureLeading0x)((0, sign_typed_data_utils_1.generateTypedDataHash)(typedData).toString('hex'));
                        return [2 /*return*/, (0, signatureUtils_1.parseSignatureWithoutPrefix)(messageHash, signature, signer)];
                }
            });
        }); };
        this.sign = function (dataToSign, address) { return __awaiter(_this, void 0, void 0, function () {
            var signature;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, new Promise(function (resolve, reject) {
                            ;
                            _this.web3.currentProvider.send({
                                id: (0, rpc_caller_1.getRandomId)(),
                                jsonrpc: '2.0',
                                method: 'eth_sign',
                                params: [(0, formatter_1.inputAddressFormatter)(address.toString()), (0, formatter_1.inputSignFormatter)(dataToSign)],
                            }, function (error, resp) {
                                if (error) {
                                    reject(error);
                                }
                                else if (resp) {
                                    resolve(resp.result);
                                }
                                else {
                                    reject(new Error('empty-response'));
                                }
                            });
                        })];
                    case 1:
                        signature = _a.sent();
                        return [2 /*return*/, signature];
                }
            });
        }); };
        this.sendSignedTransaction = function (signedTransactionData) { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                return [2 /*return*/, (0, tx_result_1.toTxResult)(this.web3.eth.sendSignedTransaction(signedTransactionData))];
            });
        }); };
        this.estimateGas = function (tx, gasEstimator, caller) {
            if (gasEstimator === void 0) { gasEstimator = _this.web3.eth.estimateGas; }
            if (caller === void 0) { caller = _this.web3.eth.call; }
            return __awaiter(_this, void 0, void 0, function () {
                var gas, e_1, called, revertReason;
                return __generator(this, function (_a) {
                    switch (_a.label) {
                        case 0:
                            _a.trys.push([0, 2, , 4]);
                            return [4 /*yield*/, gasEstimator(__assign({}, tx))];
                        case 1:
                            gas = _a.sent();
                            debugGasEstimation('estimatedGas: %s', gas.toString());
                            return [2 /*return*/, gas];
                        case 2:
                            e_1 = _a.sent();
                            return [4 /*yield*/, caller({ data: tx.data, to: tx.to, from: tx.from })];
                        case 3:
                            called = _a.sent();
                            revertReason = 'Could not decode transaction failure reason';
                            if (called.startsWith('0x08c379a')) {
                                revertReason = (0, abi_utils_1.decodeStringParameter)(this.getAbiCoder(), called.substring(10));
                            }
                            debugGasEstimation('Recover transaction failure reason', {
                                called: called,
                                data: tx.data,
                                to: tx.to,
                                from: tx.from,
                                error: e_1,
                                revertReason: revertReason,
                            });
                            return [2 /*return*/, Promise.reject("Gas estimation failed: ".concat(revertReason, " or ").concat(e_1))];
                        case 4: return [2 /*return*/];
                    }
                });
            });
        };
        this.estimateGasWithInflationFactor = function (tx, gasEstimator, caller) { return __awaiter(_this, void 0, void 0, function () {
            var gas, _a, _b, e_2;
            return __generator(this, function (_c) {
                switch (_c.label) {
                    case 0:
                        _c.trys.push([0, 2, , 3]);
                        _b = (_a = Math).round;
                        return [4 /*yield*/, this.estimateGas(tx, gasEstimator, caller)];
                    case 1:
                        gas = _b.apply(_a, [(_c.sent()) * this.config.gasInflationFactor]);
                        debugGasEstimation('estimatedGasWithInflationFactor: %s', gas);
                        return [2 /*return*/, gas];
                    case 2:
                        e_2 = _c.sent();
                        throw new Error(e_2);
                    case 3: return [2 /*return*/];
                }
            });
        }); };
        this.chainId = function () { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('net_version', [])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, parseInt(response.result.toString(), 10)];
                }
            });
        }); };
        this.getTransactionCount = function (address) { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_getTransactionCount', [address, 'pending'])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, (0, formatter_1.hexToNumber)(response.result)];
                }
            });
        }); };
        this.nonce = function (address) { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                return [2 /*return*/, this.getTransactionCount(address)];
            });
        }); };
        this.coinbase = function () { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_coinbase', [])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, response.result.toString()];
                }
            });
        }); };
        this.gasPrice = function (feeCurrency) { return __awaiter(_this, void 0, void 0, function () {
            var parameter, response, gasPriceInHex;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        parameter = feeCurrency ? [feeCurrency] : [];
                        return [4 /*yield*/, this.rpcCaller.call('eth_gasPrice', parameter)];
                    case 1:
                        response = _a.sent();
                        gasPriceInHex = response.result.toString();
                        return [2 /*return*/, gasPriceInHex];
                }
            });
        }); };
        this.getBlockNumber = function () { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_blockNumber', [])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, (0, formatter_1.hexToNumber)(response.result)];
                }
            });
        }); };
        this.isBlockNumberHash = function (blockNumber) {
            return blockNumber instanceof String && blockNumber.indexOf('0x') === 0;
        };
        this.getBlock = function (blockHashOrBlockNumber, fullTxObjects) {
            if (fullTxObjects === void 0) { fullTxObjects = true; }
            return __awaiter(_this, void 0, void 0, function () {
                var endpoint, response;
                return __generator(this, function (_a) {
                    switch (_a.label) {
                        case 0:
                            endpoint = this.isBlockNumberHash(blockHashOrBlockNumber)
                                ? 'eth_getBlockByHash' // Reference: https://eth.wiki/json-rpc/API#eth_getBlockByHash
                                : 'eth_getBlockByNumber' // Reference: https://eth.wiki/json-rpc/API#eth_getBlockByNumber
                            ;
                            return [4 /*yield*/, this.rpcCaller.call(endpoint, [
                                    (0, formatter_1.inputBlockNumberFormatter)(blockHashOrBlockNumber),
                                    fullTxObjects,
                                ])];
                        case 1:
                            response = _a.sent();
                            return [2 /*return*/, (0, formatter_1.outputBlockFormatter)(response.result)];
                    }
                });
            });
        };
        this.getBlockHeader = function (blockHashOrBlockNumber) { return __awaiter(_this, void 0, void 0, function () {
            var endpoint, response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        endpoint = this.isBlockNumberHash(blockHashOrBlockNumber)
                            ? 'eth_getHeaderByHash'
                            : 'eth_getHeaderByNumber';
                        return [4 /*yield*/, this.rpcCaller.call(endpoint, [
                                (0, formatter_1.inputBlockNumberFormatter)(blockHashOrBlockNumber),
                            ])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, (0, formatter_1.outputBlockHeaderFormatter)(response.result)];
                }
            });
        }); };
        this.getBalance = function (address, defaultBlock) { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_getBalance', [
                            (0, formatter_1.inputAddressFormatter)(address),
                            (0, formatter_1.inputDefaultBlockNumberFormatter)(defaultBlock),
                        ])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, (0, formatter_1.outputBigNumberFormatter)(response.result)];
                }
            });
        }); };
        this.getTransaction = function (transactionHash) { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_getTransactionByHash', [
                            (0, address_1.ensureLeading0x)(transactionHash),
                        ])];
                    case 1:
                        response = _a.sent();
                        return [2 /*return*/, (0, formatter_1.outputCeloTxFormatter)(response.result)];
                }
            });
        }); };
        this.getTransactionReceipt = function (txhash) { return __awaiter(_this, void 0, void 0, function () {
            var response;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_getTransactionReceipt', [
                            (0, address_1.ensureLeading0x)(txhash),
                        ])];
                    case 1:
                        response = _a.sent();
                        if (response.result === null) {
                            return [2 /*return*/, null];
                        }
                        return [2 /*return*/, (0, formatter_1.outputCeloTxReceiptFormatter)(response.result)];
                }
            });
        }); };
        web3.eth.handleRevert = handleRevert;
        this.config = {
            gasInflationFactor: 1.3,
            // gasPrice:0 means the node will compute gasPrice on its own
            gasPrice: '0',
        };
        var existingProvider = web3.currentProvider;
        this.setProvider(existingProvider);
        // TODO: Add this line with the wallets separation completed
        // this.wallet = _wallet ?? new LocalWallet()
        this.config.from = (_a = web3.eth.defaultAccount) !== null && _a !== void 0 ? _a : undefined;
        this.paramsPopulator = new tx_params_normalizer_1.TxParamsNormalizer(this);
    }
    Connection.prototype.setProvider = function (provider) {
        if (!provider) {
            throw new Error('Must have a valid Provider');
        }
        try {
            if (!(provider instanceof celo_provider_1.CeloProvider)) {
                this.rpcCaller = new rpc_caller_1.DefaultRpcCaller(provider);
                provider = new celo_provider_1.CeloProvider(provider, this);
            }
            this.web3.setProvider(provider);
            return true;
        }
        catch (_a) {
            return false;
        }
    };
    Object.defineProperty(Connection.prototype, "defaultAccount", {
        /**
         * Default account for generated transactions (eg. tx.from)
         */
        get: function () {
            return this.config.from;
        },
        /**
         * Set default account for generated transactions (eg. tx.from )
         */
        set: function (address) {
            this.config.from = address;
            this.web3.eth.defaultAccount = address ? address : null;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Connection.prototype, "defaultGasInflationFactor", {
        get: function () {
            return this.config.gasInflationFactor;
        },
        set: function (factor) {
            this.config.gasInflationFactor = factor;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Connection.prototype, "defaultGasPrice", {
        get: function () {
            return parseInt(this.config.gasPrice, 10);
        },
        set: function (price) {
            this.config.gasPrice = price.toString(10);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Connection.prototype, "defaultFeeCurrency", {
        get: function () {
            return this.config.feeCurrency;
        },
        /**
         * Set the ERC20 address for the token to use to pay for transaction fees.
         * The ERC20 must be whitelisted for gas.
         *
         * Set to `null` to use CELO
         *
         * @param address ERC20 address
         */
        set: function (address) {
            this.config.feeCurrency = address;
        },
        enumerable: false,
        configurable: true
    });
    Connection.prototype.isLocalAccount = function (address) {
        return this.wallet != null && this.wallet.hasAccount(address);
    };
    Connection.prototype.addAccount = function (privateKey) {
        if (this.wallet) {
            if ((0, provider_utils_1.hasProperty)(this.wallet, 'addAccount')) {
                this.wallet.addAccount(privateKey);
            }
            else {
                throw new Error("The wallet used, can't add accounts");
            }
        }
        else {
            throw new Error('No wallet set');
        }
    };
    Connection.prototype.removeAccount = function (address) {
        if (this.wallet) {
            if ((0, provider_utils_1.hasProperty)(this.wallet, 'removeAccount')) {
                this.wallet.removeAccount(address);
            }
            else {
                throw new Error("The wallet used, can't remove accounts");
            }
        }
        else {
            throw new Error('No wallet set');
        }
    };
    Connection.prototype.getNodeAccounts = function () {
        var _a;
        return __awaiter(this, void 0, void 0, function () {
            var nodeAccountsResp;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0: return [4 /*yield*/, this.rpcCaller.call('eth_accounts', [])];
                    case 1:
                        nodeAccountsResp = _b.sent();
                        return [2 /*return*/, this.toChecksumAddresses((_a = nodeAccountsResp.result) !== null && _a !== void 0 ? _a : [])];
                }
            });
        });
    };
    Connection.prototype.getLocalAccounts = function () {
        return this.wallet ? this.toChecksumAddresses(this.wallet.getAccounts()) : [];
    };
    Connection.prototype.getAccounts = function () {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.getNodeAccounts()];
                    case 1: return [2 /*return*/, (_a.sent()).concat(this.getLocalAccounts())];
                }
            });
        });
    };
    Connection.prototype.toChecksumAddresses = function (addresses) {
        return addresses.map(function (value) { return (0, address_1.toChecksumAddress)(value); });
    };
    Connection.prototype.isListening = function () {
        return this.web3.eth.net.isListening();
    };
    Connection.prototype.isSyncing = function () {
        var _this = this;
        return new Promise(function (resolve, reject) {
            _this.web3.eth
                .isSyncing()
                .then(function (response) {
                // isSyncing returns a syncProgress object when it's still syncing
                if (typeof response === 'boolean') {
                    resolve(response);
                }
                else {
                    resolve(true);
                }
            })
                .catch(reject);
        });
    };
    /** @deprecated no longer needed since gasPrice is available on minimumClientVersion node rpc */
    Connection.prototype.fillGasPrice = function (tx) {
        if (tx.feeCurrency && tx.gasPrice === '0' && this.currencyGasPrice.has(tx.feeCurrency)) {
            return __assign(__assign({}, tx), { gasPrice: this.currencyGasPrice.get(tx.feeCurrency) });
        }
        return tx;
    };
    /** @deprecated no longer needed since gasPrice is available on minimumClientVersion node rpc */
    Connection.prototype.setGasPriceForCurrency = function (address, gasPrice) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                this.currencyGasPrice.set(address, gasPrice);
                return [2 /*return*/];
            });
        });
    };
    Connection.prototype.getAbiCoder = function () {
        return this.web3.eth.abi;
    };
    Connection.prototype.fillTxDefaults = function (tx) {
        var defaultTx = {
            from: this.config.from,
            feeCurrency: this.config.feeCurrency,
            gasPrice: this.config.gasPrice,
        };
        return __assign(__assign({}, defaultTx), tx);
    };
    Connection.prototype.stop = function () {
        (0, celo_provider_1.assertIsCeloProvider)(this.web3.currentProvider);
        this.web3.currentProvider.stop();
    };
    return Connection;
}());
exports.Connection = Connection;
//# sourceMappingURL=connection.js.map

Выполнить команду


Для локальной разработки. Не используйте в интернете!