hector-rubic-sdk
Version:
Simplify dApp creation
185 lines • 9.75 kB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.InstantTrade = void 0;
var rubic_sdk_error_1 = require("../../common/errors/rubic-sdk.error");
var wallet_not_connected_error_1 = require("../../common/errors/swap/wallet-not-connected.error");
var wrong_network_error_1 = require("../../common/errors/swap/wrong-network.error");
var price_token_amount_1 = require("../../core/blockchain/tokens/price-token-amount");
var injector_1 = require("../../core/sdk/injector");
var common_1 = require("../../common");
var InstantTrade = /** @class */ (function () {
function InstantTrade(blockchain) {
this.web3Public = injector_1.Injector.web3PublicService.getWeb3Public(blockchain);
}
Object.defineProperty(InstantTrade.prototype, "toTokenAmountMin", {
get: function () {
var weiAmountOutMin = this.to.weiAmountMinusSlippage(this.slippageTolerance);
return new price_token_amount_1.PriceTokenAmount(__assign(__assign({}, this.to.asStruct), { weiAmount: weiAmountOutMin }));
},
enumerable: false,
configurable: true
});
Object.defineProperty(InstantTrade.prototype, "walletAddress", {
get: function () {
return injector_1.Injector.web3Private.address;
},
enumerable: false,
configurable: true
});
Object.defineProperty(InstantTrade.prototype, "priceImpact", {
get: function () {
return this.from.calculatePriceImpactPercent(this.to);
},
enumerable: false,
configurable: true
});
InstantTrade.prototype.needApprove = function (fromAddress) {
return __awaiter(this, void 0, void 0, function () {
var allowance;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!fromAddress) {
this.checkWalletConnected();
}
if (this.from.isNative) {
return [2 /*return*/, false];
}
return [4 /*yield*/, this.web3Public.getAllowance(this.from.address, fromAddress || this.walletAddress, this.contractAddress)];
case 1:
allowance = _a.sent();
return [2 /*return*/, allowance.lt(this.from.weiAmount)];
}
});
});
};
InstantTrade.prototype.approve = function (options) {
return __awaiter(this, void 0, void 0, function () {
var needApprove;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.needApprove()];
case 1:
needApprove = _a.sent();
if (!needApprove) {
throw new rubic_sdk_error_1.RubicSdkError('You should check allowance via `needApprove` method before calling `approve`. Current allowance is enough for swap.');
}
this.checkWalletConnected();
this.checkBlockchainCorrect();
return [2 /*return*/, injector_1.Injector.web3Private.approveTokens(this.from.address, this.contractAddress, 'infinity', __assign(__assign({}, options), { gas: options === null || options === void 0 ? void 0 : options.gasLimit }))];
}
});
});
};
InstantTrade.prototype.checkAllowanceAndApprove = function (options) {
return __awaiter(this, void 0, void 0, function () {
var needApprove, txOptions;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.needApprove()];
case 1:
needApprove = _a.sent();
if (!needApprove) {
return [2 /*return*/];
}
txOptions = {
onTransactionHash: options === null || options === void 0 ? void 0 : options.onApprove,
gas: (options === null || options === void 0 ? void 0 : options.gasLimit) || undefined,
gasPrice: (options === null || options === void 0 ? void 0 : options.gasPrice) || undefined
};
return [4 /*yield*/, injector_1.Injector.web3Private.approveTokens(this.from.address, this.contractAddress, 'infinity', txOptions)];
case 2:
_a.sent();
return [2 /*return*/];
}
});
});
};
InstantTrade.prototype.checkWalletState = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
this.checkWalletConnected();
this.checkBlockchainCorrect();
return [4 /*yield*/, this.web3Public.checkBalance(this.from, this.from.tokenAmount, this.walletAddress)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
InstantTrade.prototype.checkWalletConnected = function () {
if (!this.walletAddress) {
throw new wallet_not_connected_error_1.WalletNotConnectedError();
}
};
InstantTrade.prototype.checkBlockchainCorrect = function () {
if (injector_1.Injector.web3Private.blockchainName !== this.from.blockchain) {
throw new wrong_network_error_1.WrongNetworkError();
}
};
InstantTrade.prototype.getGasParams = function (options) {
return { gas: options === null || options === void 0 ? void 0 : options.gasLimit, gasPrice: options === null || options === void 0 ? void 0 : options.gasPrice };
};
__decorate([
common_1.Cache
], InstantTrade.prototype, "priceImpact", null);
return InstantTrade;
}());
exports.InstantTrade = InstantTrade;
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