@deliquifiedlabs/uniswapx-sdk
Version:
SDK for the UniswapX protocol
81 lines • 3.91 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DutchOrderTrade = void 0;
const sdk_core_1 = require("@deliquifiedlabs/sdk-core");
const order_1 = require("../order");
const utils_1 = require("./utils");
class DutchOrderTrade {
constructor({ currencyIn, currenciesOut, orderInfo, tradeType, }) {
this._currencyIn = currencyIn;
this._currenciesOut = currenciesOut;
this.tradeType = tradeType;
// assume single-chain for now
this.order = new order_1.DutchOrder(orderInfo, currencyIn.chainId);
}
get inputAmount() {
if (this._inputAmount)
return this._inputAmount;
const amount = sdk_core_1.CurrencyAmount.fromRawAmount(this._currencyIn, this.order.info.input.startAmount.toString());
this._inputAmount = amount;
return amount;
}
get outputAmounts() {
if (this._outputAmounts)
return this._outputAmounts;
const amounts = this.order.info.outputs.map((output) => {
// assume single chain ids across all outputs for now
const currencyOut = this._currenciesOut.find((currency) => (0, utils_1.areCurrenciesEqual)(currency, output.token, currency.chainId));
if (!currencyOut) {
throw new Error("currency not found in output array");
}
return sdk_core_1.CurrencyAmount.fromRawAmount(currencyOut, output.startAmount.toString());
});
this._outputAmounts = amounts;
return amounts;
}
getFirstNonFeeOutputStartEndAmounts() {
if (this._firstNonFeeOutputStartEndAmounts)
return this._firstNonFeeOutputStartEndAmounts;
if (this.order.info.outputs.length === 0) {
throw new Error("there must be at least one output token");
}
const output = this.order.info.outputs[0];
// assume single chain ids across all outputs for now
const currencyOut = this._currenciesOut.find((currency) => (0, utils_1.areCurrenciesEqual)(currency, output.token, currency.chainId));
if (!currencyOut) {
throw new Error("currency output from order must exist in currenciesOut list");
}
const startEndAmounts = {
startAmount: sdk_core_1.CurrencyAmount.fromRawAmount(currencyOut, output.startAmount.toString()),
endAmount: sdk_core_1.CurrencyAmount.fromRawAmount(currencyOut, output.endAmount.toString()),
};
this._firstNonFeeOutputStartEndAmounts = startEndAmounts;
return startEndAmounts;
}
// TODO: revise when there are actually multiple output amounts. for now, assume only one non-fee output at a time
get outputAmount() {
return this.getFirstNonFeeOutputStartEndAmounts().startAmount;
}
minimumAmountOut() {
return this.getFirstNonFeeOutputStartEndAmounts().endAmount;
}
maximumAmountIn() {
return sdk_core_1.CurrencyAmount.fromRawAmount(this._currencyIn, this.order.info.input.endAmount.toString());
}
/**
* The price expressed in terms of output amount/input amount.
*/
get executionPrice() {
var _a;
return ((_a = this._executionPrice) !== null && _a !== void 0 ? _a : (this._executionPrice = new sdk_core_1.Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.quotient, this.outputAmount.quotient)));
}
/**
* Return the execution price after accounting for slippage tolerance
* @returns The execution price
*/
worstExecutionPrice() {
return new sdk_core_1.Price(this.inputAmount.currency, this.outputAmount.currency, this.maximumAmountIn().quotient, this.minimumAmountOut().quotient);
}
}
exports.DutchOrderTrade = DutchOrderTrade;
//# sourceMappingURL=DutchOrderTrade.js.map