@x-swap-protocol/conedison
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Utilities for XSwap Protocol front-end development
115 lines (114 loc) • 6.32 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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}
return t;
};
return __assign.apply(this, arguments);
};
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;
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { poll } from '@ethersproject/web';
import { getWalletMeta } from './meta';
export * from './meta';
export * from './signing';
function isUniswapWallet(provider) {
var _a;
return ((_a = getWalletMeta(provider)) === null || _a === void 0 ? void 0 : _a.name) === 'Uniswap Wallet';
}
/**
* Sends a transaction, optionally including a gas limit.
*
* The ethers sendTransaction implementation first checks the blockNumber, which causes a delay and may inhibit
* deep-linking behavior on iOS. This wrapper works around that by optionally estimating gas (another source of delay),
* and by sending the transaction as an unchecked transaction.
* @see https://docs.walletconnect.com/2.0/swift/guides/mobile-linking#ios-app-link-constraints.
*/
export function sendTransaction(provider, transaction, gasMargin, skipGasLimit) {
if (gasMargin === void 0) { gasMargin = 0; }
if (skipGasLimit === void 0) { skipGasLimit = isUniswapWallet(provider); }
return __awaiter(this, void 0, void 0, function () {
var signer, gasLimit, hash, error_1;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
signer = provider.getSigner();
if (!!skipGasLimit) return [3 /*break*/, 2];
return [4 /*yield*/, signer.estimateGas(transaction)];
case 1:
gasLimit = _a.sent();
if (gasMargin) {
gasLimit = gasLimit.add(gasLimit.mul(Math.floor(gasMargin * 100)).div(100));
}
_a.label = 2;
case 2: return [4 /*yield*/, signer.sendUncheckedTransaction(__assign(__assign({}, transaction), { gasLimit: gasLimit }))];
case 3:
hash = _a.sent();
_a.label = 4;
case 4:
_a.trys.push([4, 6, , 7]);
return [4 /*yield*/, poll((function () { return __awaiter(_this, void 0, void 0, function () {
var tx;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, provider.getTransaction(hash)];
case 1:
tx = _a.sent();
if (tx === null)
return [2 /*return*/, undefined];
return [2 /*return*/, provider._wrapTransaction(tx, hash)];
}
});
}); }), { oncePoll: provider })];
case 5:
// JSON-RPC only provides an opaque transaction hash, so we poll for the actual transaction.
// Polling continues until a defined value is returned (see https://docs.ethers.org/v5/api/utils/web/#utils-poll).
// NB: sendTransaction is a modified version of JsonRpcProvider.sendTransaction - see the original implementation.
return [2 /*return*/, _a.sent()];
case 6:
error_1 = _a.sent();
error_1.transactionHash = hash;
throw error_1;
case 7: return [2 /*return*/];
}
});
});
}