197 lines
8.1 KiB
JavaScript
197 lines
8.1 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var errors = __importStar(require("@ethersproject/errors"));
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var properties_1 = require("@ethersproject/properties");
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var allowedTransactionKeys = [
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"chainId", "data", "from", "gasLimit", "gasPrice", "nonce", "to", "value"
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];
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// Sub-Class Notes:
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// - A Signer MUST always make sure, that if present, the "from" field
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// matches the Signer, before sending or signing a transaction
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// - A Signer SHOULD always wrap private information (such as a private
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// key or mnemonic) in a function, so that console.log does not leak
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// the data
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var Signer = /** @class */ (function () {
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///////////////////
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// Sub-classes MUST call super
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function Signer() {
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var _newTarget = this.constructor;
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errors.checkAbstract(_newTarget, Signer);
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properties_1.defineReadOnly(this, "_isSigner", true);
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}
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///////////////////
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// Sub-classes MAY override these
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Signer.prototype.getBalance = function (blockTag) {
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this._checkProvider("getBalance");
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return this.provider.getBalance(this.getAddress(), blockTag);
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};
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Signer.prototype.getTransactionCount = function (blockTag) {
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this._checkProvider("getTransactionCount");
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return this.provider.getTransactionCount(this.getAddress(), blockTag);
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};
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// Populates "from" if unspecified, and estimates the gas for the transation
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Signer.prototype.estimateGas = function (transaction) {
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var _this = this;
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this._checkProvider("estimateGas");
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return properties_1.resolveProperties(this.checkTransaction(transaction)).then(function (tx) {
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return _this.provider.estimateGas(tx);
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});
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};
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// Populates "from" if unspecified, and calls with the transation
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Signer.prototype.call = function (transaction, blockTag) {
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var _this = this;
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this._checkProvider("call");
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return properties_1.resolveProperties(this.checkTransaction(transaction)).then(function (tx) {
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return _this.provider.call(tx);
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});
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};
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// Populates all fields in a transaction, signs it and sends it to the network
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Signer.prototype.sendTransaction = function (transaction) {
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var _this = this;
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this._checkProvider("sendTransaction");
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return this.populateTransaction(transaction).then(function (tx) {
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return _this.signTransaction(tx).then(function (signedTx) {
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return _this.provider.sendTransaction(signedTx);
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});
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});
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};
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Signer.prototype.getChainId = function () {
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this._checkProvider("getChainId");
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return this.provider.getNetwork().then(function (network) { return network.chainId; });
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};
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Signer.prototype.getGasPrice = function () {
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this._checkProvider("getGasPrice");
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return this.provider.getGasPrice();
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};
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Signer.prototype.resolveName = function (name) {
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this._checkProvider("resolveName");
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return this.provider.resolveName(name);
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};
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// Checks a transaction does not contain invalid keys and if
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// no "from" is provided, populates it.
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// - does NOT require a provider
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// - adds "from" is not present
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// - returns a COPY (safe to mutate the result)
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// By default called from: (overriding these prevents it)
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// - call
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// - estimateGas
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// - populateTransaction (and therefor sendTransaction)
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Signer.prototype.checkTransaction = function (transaction) {
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for (var key in transaction) {
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if (allowedTransactionKeys.indexOf(key) === -1) {
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errors.throwArgumentError("invalid transaction key: " + key, "transaction", transaction);
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}
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}
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var tx = properties_1.shallowCopy(transaction);
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if (tx.from == null) {
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tx.from = this.getAddress();
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}
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return tx;
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};
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// Populates ALL keys for a transaction and checks that "from" matches
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// this Signer. Should be used by sendTransaction but NOT by signTransaction.
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// By default called from: (overriding these prevents it)
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// - sendTransaction
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Signer.prototype.populateTransaction = function (transaction) {
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var _this = this;
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return properties_1.resolveProperties(this.checkTransaction(transaction)).then(function (tx) {
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if (tx.to != null) {
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tx.to = Promise.resolve(tx.to).then(function (to) { return _this.resolveName(to); });
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}
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if (tx.gasPrice == null) {
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tx.gasPrice = _this.getGasPrice();
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}
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if (tx.nonce == null) {
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tx.nonce = _this.getTransactionCount("pending");
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}
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// Make sure any provided address matches this signer
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if (tx.from == null) {
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tx.from = _this.getAddress();
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}
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else {
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tx.from = Promise.all([
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_this.getAddress(),
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_this.provider.resolveName(tx.from)
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]).then(function (results) {
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if (results[0] !== results[1]) {
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errors.throwArgumentError("from address mismatch", "transaction", transaction);
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}
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return results[0];
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});
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}
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if (tx.gasLimit == null) {
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tx.gasLimit = _this.estimateGas(tx);
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}
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if (tx.chainId == null) {
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tx.chainId = _this.getChainId();
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}
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return properties_1.resolveProperties(tx);
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});
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};
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///////////////////
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// Sub-classes SHOULD leave these alone
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Signer.prototype._checkProvider = function (operation) {
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if (!this.provider) {
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errors.throwError("missing provider", errors.UNSUPPORTED_OPERATION, {
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operation: (operation || "_checkProvider")
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});
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}
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};
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Signer.isSigner = function (value) {
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return !!(value && value._isSigner);
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};
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return Signer;
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}());
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exports.Signer = Signer;
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var VoidSigner = /** @class */ (function (_super) {
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__extends(VoidSigner, _super);
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function VoidSigner(address, provider) {
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var _newTarget = this.constructor;
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var _this = this;
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errors.checkNew(_newTarget, VoidSigner);
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_this = _super.call(this) || this;
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properties_1.defineReadOnly(_this, "address", address);
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properties_1.defineReadOnly(_this, "provider", provider || null);
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return _this;
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}
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VoidSigner.prototype.getAddress = function () {
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return Promise.resolve(this.address);
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};
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VoidSigner.prototype._fail = function (message, operation) {
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return Promise.resolve().then(function () {
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errors.throwError(message, errors.UNSUPPORTED_OPERATION, { operation: operation });
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});
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};
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VoidSigner.prototype.signMessage = function (message) {
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return this._fail("VoidSigner cannot sign messages", "signMessage");
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};
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VoidSigner.prototype.signTransaction = function (transaction) {
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return this._fail("VoidSigner cannot sign transactions", "signTransaction");
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};
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VoidSigner.prototype.connect = function (provider) {
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return new VoidSigner(this.address, provider);
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};
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return VoidSigner;
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}(Signer));
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exports.VoidSigner = VoidSigner;
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