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@uniswap/v2-sdk

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@uniswap/v2-sdk - npm Package Compare versions

Comparing version 2.0.2 to 3.0.0-alpha.0

22

dist/entities/pair.d.ts

@@ -11,3 +11,3 @@ import { BigintIsh, ChainId, Price, Token, CurrencyAmount } from '@uniswap/sdk-core';

static getAddress(tokenA: Token, tokenB: Token): string;
constructor(currencyAmountA: CurrencyAmount, tokenAmountB: CurrencyAmount);
constructor(currencyAmountA: CurrencyAmount<Token>, tokenAmountB: CurrencyAmount<Token>);
/**

@@ -21,7 +21,7 @@ * Returns true if the token is either token0 or token1

*/
get token0Price(): Price;
get token0Price(): Price<Token, Token>;
/**
* Returns the current mid price of the pair in terms of token1, i.e. the ratio of reserve0 to reserve1
*/
get token1Price(): Price;
get token1Price(): Price<Token, Token>;
/**

@@ -31,3 +31,3 @@ * Return the price of the given token in terms of the other token in the pair.

*/
priceOf(token: Token): Price;
priceOf(token: Token): Price<Token, Token>;
/**

@@ -39,9 +39,9 @@ * Returns the chain ID of the tokens in the pair.

get token1(): Token;
get reserve0(): CurrencyAmount;
get reserve1(): CurrencyAmount;
reserveOf(token: Token): CurrencyAmount;
getOutputAmount(inputAmount: CurrencyAmount): [CurrencyAmount, Pair];
getInputAmount(outputAmount: CurrencyAmount): [CurrencyAmount, Pair];
getLiquidityMinted(totalSupply: CurrencyAmount, tokenAmountA: CurrencyAmount, tokenAmountB: CurrencyAmount): CurrencyAmount;
getLiquidityValue(token: Token, totalSupply: CurrencyAmount, liquidity: CurrencyAmount, feeOn?: boolean, kLast?: BigintIsh): CurrencyAmount;
get reserve0(): CurrencyAmount<Token>;
get reserve1(): CurrencyAmount<Token>;
reserveOf(token: Token): CurrencyAmount<Token>;
getOutputAmount(inputAmount: CurrencyAmount<Token>): [CurrencyAmount<Token>, Pair];
getInputAmount(outputAmount: CurrencyAmount<Token>): [CurrencyAmount<Token>, Pair];
getLiquidityMinted(totalSupply: CurrencyAmount<Token>, tokenAmountA: CurrencyAmount<Token>, tokenAmountB: CurrencyAmount<Token>): CurrencyAmount<Token>;
getLiquidityValue(token: Token, totalSupply: CurrencyAmount<Token>, liquidity: CurrencyAmount<Token>, feeOn?: boolean, kLast?: BigintIsh): CurrencyAmount<Token>;
}

11

dist/entities/route.d.ts
import { ChainId, Currency, Price, Token } from '@uniswap/sdk-core';
import { Pair } from './pair';
export declare class Route {
export declare class Route<TInput extends Currency, TOutput extends Currency> {
readonly pairs: Pair[];
readonly path: Token[];
readonly input: Currency;
readonly output: Currency;
get midPrice(): Price;
constructor(pairs: Pair[], input: Currency, output?: Currency);
readonly input: TInput;
readonly output: TOutput;
constructor(pairs: Pair[], input: TInput, output: TOutput);
private _midPrice;
get midPrice(): Price<TInput, TOutput>;
get chainId(): ChainId | number;
}

52

dist/entities/trade.d.ts
import { Currency, CurrencyAmount, Percent, Price, TradeType } from '@uniswap/sdk-core';
import { Pair } from './pair';
import { Route } from './route';
interface InputOutput {
readonly inputAmount: CurrencyAmount;
readonly outputAmount: CurrencyAmount;
interface InputOutput<TInput extends Currency, TOutput extends Currency> {
readonly inputAmount: CurrencyAmount<TInput>;
readonly outputAmount: CurrencyAmount<TOutput>;
}
export declare function inputOutputComparator(a: InputOutput, b: InputOutput): number;
export declare function tradeComparator(a: Trade, b: Trade): number;
export declare function inputOutputComparator<TInput extends Currency, TOutput extends Currency>(a: InputOutput<TInput, TOutput>, b: InputOutput<TInput, TOutput>): number;
export declare function tradeComparator<TInput extends Currency, TOutput extends Currency, TTradeType extends TradeType>(a: Trade<TInput, TOutput, TTradeType>, b: Trade<TInput, TOutput, TTradeType>): number;
export interface BestTradeOptions {

@@ -18,28 +18,24 @@ maxNumResults?: number;

*/
export declare class Trade {
export declare class Trade<TInput extends Currency, TOutput extends Currency, TTradeType extends TradeType> {
/**
* The route of the trade, i.e. which pairs the trade goes through.
* The route of the trade, i.e. which pairs the trade goes through and the input/output currencies.
*/
readonly route: Route;
readonly route: Route<TInput, TOutput>;
/**
* The type of the trade, either exact in or exact out.
*/
readonly tradeType: TradeType;
readonly tradeType: TTradeType;
/**
* The input amount for the trade assuming no slippage.
*/
readonly inputAmount: CurrencyAmount;
readonly inputAmount: CurrencyAmount<TInput>;
/**
* The output amount for the trade assuming no slippage.
*/
readonly outputAmount: CurrencyAmount;
readonly outputAmount: CurrencyAmount<TOutput>;
/**
* The price expressed in terms of output amount/input amount.
*/
readonly executionPrice: Price;
readonly executionPrice: Price<TInput, TOutput>;
/**
* The mid price after the trade executes assuming no slippage.
*/
readonly nextMidPrice: Price;
/**
* The percent difference between the mid price before the trade and the trade execution price.

@@ -53,3 +49,3 @@ */

*/
static exactIn(route: Route, amountIn: CurrencyAmount): Trade;
static exactIn<TInput extends Currency, TOutput extends Currency>(route: Route<TInput, TOutput>, amountIn: CurrencyAmount<TInput>): Trade<TInput, TOutput, TradeType.EXACT_INPUT>;
/**

@@ -60,4 +56,4 @@ * Constructs an exact out trade with the given amount out and route

*/
static exactOut(route: Route, amountOut: CurrencyAmount): Trade;
constructor(route: Route, amount: CurrencyAmount, tradeType: TradeType);
static exactOut<TInput extends Currency, TOutput extends Currency>(route: Route<TInput, TOutput>, amountOut: CurrencyAmount<TOutput>): Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>;
constructor(route: Route<TInput, TOutput>, amount: TTradeType extends TradeType.EXACT_INPUT ? CurrencyAmount<TInput> : CurrencyAmount<TOutput>, tradeType: TTradeType);
/**

@@ -67,3 +63,3 @@ * Get the minimum amount that must be received from this trade for the given slippage tolerance

*/
minimumAmountOut(slippageTolerance: Percent): CurrencyAmount;
minimumAmountOut(slippageTolerance: Percent): CurrencyAmount<TOutput>;
/**

@@ -73,3 +69,3 @@ * Get the maximum amount in that can be spent via this trade for the given slippage tolerance

*/
maximumAmountIn(slippageTolerance: Percent): CurrencyAmount;
maximumAmountIn(slippageTolerance: Percent): CurrencyAmount<TInput>;
/**

@@ -81,3 +77,3 @@ * Given a list of pairs, and a fixed amount in, returns the top `maxNumResults` trades that go from an input token

* @param pairs the pairs to consider in finding the best trade
* @param currencyAmountIn exact amount of input currency to spend
* @param nextAmountIn exact amount of input currency to spend
* @param currencyOut the desired currency out

@@ -87,6 +83,6 @@ * @param maxNumResults maximum number of results to return

* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param currencyAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param bestTrades used in recursion; the current list of best trades
*/
static bestTradeExactIn(pairs: Pair[], currencyAmountIn: CurrencyAmount, currencyOut: Currency, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], originalAmountIn?: CurrencyAmount, bestTrades?: Trade[]): Trade[];
static bestTradeExactIn<TInput extends Currency, TOutput extends Currency>(pairs: Pair[], currencyAmountIn: CurrencyAmount<TInput>, currencyOut: TOutput, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], nextAmountIn?: CurrencyAmount<Currency>, bestTrades?: Trade<TInput, TOutput, TradeType.EXACT_INPUT>[]): Trade<TInput, TOutput, TradeType.EXACT_INPUT>[];
/**

@@ -96,3 +92,3 @@ * Return the execution price after accounting for slippage tolerance

*/
worstExecutionPrice(slippageTolerance: Percent): Price;
worstExecutionPrice(slippageTolerance: Percent): Price<TInput, TOutput>;
/**

@@ -106,11 +102,11 @@ * similar to the above method but instead targets a fixed output amount

* @param currencyIn the currency to spend
* @param currencyAmountOut the exact amount of currency out
* @param nextAmountOut the exact amount of currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param currencyAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param bestTrades used in recursion; the current list of best trades
*/
static bestTradeExactOut(pairs: Pair[], currencyIn: Currency, currencyAmountOut: CurrencyAmount, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], originalAmountOut?: CurrencyAmount, bestTrades?: Trade[]): Trade[];
static bestTradeExactOut<TInput extends Currency, TOutput extends Currency>(pairs: Pair[], currencyIn: TInput, currencyAmountOut: CurrencyAmount<TOutput>, { maxNumResults, maxHops }?: BestTradeOptions, currentPairs?: Pair[], nextAmountOut?: CurrencyAmount<Currency>, bestTrades?: Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>[]): Trade<TInput, TOutput, TradeType.EXACT_OUTPUT>[];
}
export {};

2

dist/index.d.ts

@@ -1,3 +0,1 @@

import JSBI from 'jsbi';
export { JSBI };
export { FACTORY_ADDRESS, INIT_CODE_HASH, MINIMUM_LIQUIDITY } from './constants';

@@ -4,0 +2,0 @@ export * from './errors';

4

dist/router.d.ts

@@ -1,2 +0,2 @@

import { Percent } from '@uniswap/sdk-core';
import { Currency, Percent, TradeType } from '@uniswap/sdk-core';
import { Trade } from 'entities';

@@ -63,3 +63,3 @@ /**

*/
static swapCallParameters(trade: Trade, options: TradeOptions | TradeOptionsDeadline): SwapParameters;
static swapCallParameters(trade: Trade<Currency, Currency, TradeType>, options: TradeOptions | TradeOptionsDeadline): SwapParameters;
}

548

dist/v2-sdk.cjs.development.js

@@ -12,2 +12,5 @@ 'use strict';

var address = require('@ethersproject/address');
var _Decimal = _interopDefault(require('decimal.js-light'));
var _Big = _interopDefault(require('big.js'));
var toFormat = _interopDefault(require('toformat'));

@@ -237,6 +240,4 @@ var FACTORY_ADDRESS = '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f';

function Pair(currencyAmountA, tokenAmountB) {
!(currencyAmountA.currency.isToken && tokenAmountB.currency.isToken) ? invariant(false, 'TOKEN') : void 0;
var tokenAmounts = currencyAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
? [currencyAmountA, tokenAmountB] : [tokenAmountB, currencyAmountA];
!(tokenAmounts[0].currency.isToken && tokenAmounts[1].currency.isToken) ? invariant(false, 'TOKEN') : void 0;
this.liquidityToken = new sdkCore.Token(tokenAmounts[0].currency.chainId, Pair.getAddress(tokenAmounts[0].currency, tokenAmounts[1].currency), 18, 'UNI-V2', 'Uniswap V2');

@@ -288,5 +289,5 @@ this.tokenAmounts = tokenAmounts;

_proto.getOutputAmount = function getOutputAmount(inputAmount) {
!(inputAmount.currency.isToken && this.involvesToken(inputAmount.currency)) ? invariant(false, 'TOKEN') : void 0;
!this.involvesToken(inputAmount.currency) ? invariant(false, 'TOKEN') : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO)) {
if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO)) {
throw new InsufficientReservesError();

@@ -297,8 +298,8 @@ }

var outputReserve = this.reserveOf(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0);
var inputAmountWithFee = JSBI.multiply(inputAmount.raw, _997);
var numerator = JSBI.multiply(inputAmountWithFee, outputReserve.raw);
var denominator = JSBI.add(JSBI.multiply(inputReserve.raw, _1000), inputAmountWithFee);
var outputAmount = new sdkCore.CurrencyAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator));
var inputAmountWithFee = JSBI.multiply(inputAmount.quotient, _997);
var numerator = JSBI.multiply(inputAmountWithFee, outputReserve.quotient);
var denominator = JSBI.add(JSBI.multiply(inputReserve.quotient, _1000), inputAmountWithFee);
var outputAmount = sdkCore.CurrencyAmount.fromRawAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator));
if (JSBI.equal(outputAmount.raw, ZERO)) {
if (JSBI.equal(outputAmount.quotient, ZERO)) {
throw new InsufficientInputAmountError();

@@ -311,5 +312,5 @@ }

_proto.getInputAmount = function getInputAmount(outputAmount) {
!(outputAmount.currency.isToken && this.involvesToken(outputAmount.currency)) ? invariant(false, 'TOKEN') : void 0;
!this.involvesToken(outputAmount.currency) ? invariant(false, 'TOKEN') : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO) || JSBI.greaterThanOrEqual(outputAmount.raw, this.reserveOf(outputAmount.currency).raw)) {
if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient)) {
throw new InsufficientReservesError();

@@ -320,5 +321,5 @@ }

var inputReserve = this.reserveOf(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0);
var numerator = JSBI.multiply(JSBI.multiply(inputReserve.raw, outputAmount.raw), _1000);
var denominator = JSBI.multiply(JSBI.subtract(outputReserve.raw, outputAmount.raw), _997);
var inputAmount = new sdkCore.CurrencyAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE));
var numerator = JSBI.multiply(JSBI.multiply(inputReserve.quotient, outputAmount.quotient), _1000);
var denominator = JSBI.multiply(JSBI.subtract(outputReserve.quotient, outputAmount.quotient), _997);
var inputAmount = sdkCore.CurrencyAmount.fromRawAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE));
return [inputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))];

@@ -328,14 +329,13 @@ };

_proto.getLiquidityMinted = function getLiquidityMinted(totalSupply, tokenAmountA, tokenAmountB) {
!(totalSupply.currency.isToken && totalSupply.currency.equals(this.liquidityToken)) ? invariant(false, 'LIQUIDITY') : void 0;
var tokenAmounts = tokenAmountA.currency.isToken && tokenAmountB.currency.isToken && tokenAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
!totalSupply.currency.equals(this.liquidityToken) ? invariant(false, 'LIQUIDITY') : void 0;
var tokenAmounts = tokenAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
? [tokenAmountA, tokenAmountB] : [tokenAmountB, tokenAmountA];
!(tokenAmounts[0].currency.isToken && tokenAmounts[1].currency.isToken) ? invariant(false) : void 0;
!(tokenAmounts[0].currency.equals(this.token0) && tokenAmounts[1].currency.equals(this.token1)) ? invariant(false, 'TOKEN') : void 0;
var liquidity;
if (JSBI.equal(totalSupply.raw, ZERO)) {
liquidity = JSBI.subtract(sdkCore.sqrt(JSBI.multiply(tokenAmounts[0].raw, tokenAmounts[1].raw)), MINIMUM_LIQUIDITY);
if (JSBI.equal(totalSupply.quotient, ZERO)) {
liquidity = JSBI.subtract(sdkCore.sqrt(JSBI.multiply(tokenAmounts[0].quotient, tokenAmounts[1].quotient)), MINIMUM_LIQUIDITY);
} else {
var amount0 = JSBI.divide(JSBI.multiply(tokenAmounts[0].raw, totalSupply.raw), this.reserve0.raw);
var amount1 = JSBI.divide(JSBI.multiply(tokenAmounts[1].raw, totalSupply.raw), this.reserve1.raw);
var amount0 = JSBI.divide(JSBI.multiply(tokenAmounts[0].quotient, totalSupply.quotient), this.reserve0.quotient);
var amount1 = JSBI.divide(JSBI.multiply(tokenAmounts[1].quotient, totalSupply.quotient), this.reserve1.quotient);
liquidity = JSBI.lessThanOrEqual(amount0, amount1) ? amount0 : amount1;

@@ -348,3 +348,3 @@ }

return new sdkCore.CurrencyAmount(this.liquidityToken, liquidity);
return sdkCore.CurrencyAmount.fromRawAmount(this.liquidityToken, liquidity);
};

@@ -358,5 +358,5 @@

!this.involvesToken(token) ? invariant(false, 'TOKEN') : void 0;
!(totalSupply.currency.isToken && totalSupply.currency.equals(this.liquidityToken)) ? invariant(false, 'TOTAL_SUPPLY') : void 0;
!(liquidity.currency.isToken && liquidity.currency.equals(this.liquidityToken)) ? invariant(false, 'LIQUIDITY') : void 0;
!JSBI.lessThanOrEqual(liquidity.raw, totalSupply.raw) ? invariant(false, 'LIQUIDITY') : void 0;
!totalSupply.currency.equals(this.liquidityToken) ? invariant(false, 'TOTAL_SUPPLY') : void 0;
!liquidity.currency.equals(this.liquidityToken) ? invariant(false, 'LIQUIDITY') : void 0;
!JSBI.lessThanOrEqual(liquidity.quotient, totalSupply.quotient) ? invariant(false, 'LIQUIDITY') : void 0;
var totalSupplyAdjusted;

@@ -371,10 +371,10 @@

if (!JSBI.equal(kLastParsed, ZERO)) {
var rootK = sdkCore.sqrt(JSBI.multiply(this.reserve0.raw, this.reserve1.raw));
var rootK = sdkCore.sqrt(JSBI.multiply(this.reserve0.quotient, this.reserve1.quotient));
var rootKLast = sdkCore.sqrt(kLastParsed);
if (JSBI.greaterThan(rootK, rootKLast)) {
var numerator = JSBI.multiply(totalSupply.raw, JSBI.subtract(rootK, rootKLast));
var numerator = JSBI.multiply(totalSupply.quotient, JSBI.subtract(rootK, rootKLast));
var denominator = JSBI.add(JSBI.multiply(rootK, FIVE), rootKLast);
var feeLiquidity = JSBI.divide(numerator, denominator);
totalSupplyAdjusted = totalSupply.add(new sdkCore.CurrencyAmount(this.liquidityToken, feeLiquidity));
totalSupplyAdjusted = totalSupply.add(sdkCore.CurrencyAmount.fromRawAmount(this.liquidityToken, feeLiquidity));
} else {

@@ -388,3 +388,3 @@ totalSupplyAdjusted = totalSupply;

return new sdkCore.CurrencyAmount(token, JSBI.divide(JSBI.multiply(liquidity.raw, this.reserveOf(token).raw), totalSupplyAdjusted.raw));
return sdkCore.CurrencyAmount.fromRawAmount(token, JSBI.divide(JSBI.multiply(liquidity.quotient, this.reserveOf(token).quotient), totalSupplyAdjusted.quotient));
};

@@ -395,3 +395,4 @@

get: function get() {
return new sdkCore.Price(this.token0, this.token1, this.tokenAmounts[0].raw, this.tokenAmounts[1].raw);
var result = this.tokenAmounts[1].divide(this.tokenAmounts[0]);
return new sdkCore.Price(this.token0, this.token1, result.denominator, result.numerator);
}

@@ -405,3 +406,4 @@ /**

get: function get() {
return new sdkCore.Price(this.token1, this.token0, this.tokenAmounts[1].raw, this.tokenAmounts[0].raw);
var result = this.tokenAmounts[0].divide(this.tokenAmounts[1]);
return new sdkCore.Price(this.token1, this.token0, result.denominator, result.numerator);
}

@@ -416,3 +418,2 @@ }, {

get: function get() {
!this.tokenAmounts[0].currency.isToken ? invariant(false) : void 0;
return this.tokenAmounts[0].currency;

@@ -423,3 +424,2 @@ }

get: function get() {
!this.tokenAmounts[1].currency.isToken ? invariant(false) : void 0;
return this.tokenAmounts[1].currency;

@@ -444,2 +444,3 @@ }

function Route(pairs, input, output) {
this._midPrice = null;
!(pairs.length > 0) ? invariant(false, 'PAIRS') : void 0;

@@ -450,6 +451,6 @@ var chainId = pairs[0].chainId;

}) ? invariant(false, 'CHAIN_IDS') : void 0;
var weth = sdkCore.WETH9[chainId];
!(input.isToken && pairs[0].involvesToken(input) || input === sdkCore.ETHER && weth && pairs[0].involvesToken(weth)) ? invariant(false, 'INPUT') : void 0;
!(typeof output === 'undefined' || output.isToken && pairs[pairs.length - 1].involvesToken(output) || output === sdkCore.ETHER && weth && pairs[pairs.length - 1].involvesToken(weth)) ? invariant(false, 'OUTPUT') : void 0;
var path = [input.isToken ? input : weth];
var wrappedInput = sdkCore.wrappedCurrency(input, chainId);
!pairs[0].involvesToken(wrappedInput) ? invariant(false, 'INPUT') : void 0;
!(typeof output === 'undefined' || pairs[pairs.length - 1].involvesToken(sdkCore.wrappedCurrency(output, chainId))) ? invariant(false, 'OUTPUT') : void 0;
var path = [wrappedInput];

@@ -471,3 +472,3 @@ for (var _iterator = _createForOfIteratorHelperLoose(pairs.entries()), _step; !(_step = _iterator()).done;) {

this.input = input;
this.output = output != null ? output : path[path.length - 1];
this.output = output;
}

@@ -478,2 +479,3 @@

get: function get() {
if (this._midPrice !== null) return this._midPrice;
var prices = [];

@@ -485,8 +487,9 @@

pair = _step2$value[1];
prices.push(this.path[i].equals(pair.token0) ? new sdkCore.Price(pair.reserve0.currency, pair.reserve1.currency, pair.reserve0.raw, pair.reserve1.raw) : new sdkCore.Price(pair.reserve1.currency, pair.reserve0.currency, pair.reserve1.raw, pair.reserve0.raw));
prices.push(this.path[i].equals(pair.token0) ? new sdkCore.Price(pair.reserve0.currency, pair.reserve1.currency, pair.reserve0.quotient, pair.reserve1.quotient) : new sdkCore.Price(pair.reserve1.currency, pair.reserve0.currency, pair.reserve1.quotient, pair.reserve0.quotient));
}
return prices.slice(1).reduce(function (accumulator, currentValue) {
var reduced = prices.slice(1).reduce(function (accumulator, currentValue) {
return accumulator.multiply(currentValue);
}, prices[0]);
return this._midPrice = new sdkCore.Price(this.input, this.output, reduced.denominator, reduced.numerator);
}

@@ -503,3 +506,337 @@ }, {

var ChainId;
(function (ChainId) {
ChainId[ChainId["MAINNET"] = 1] = "MAINNET";
ChainId[ChainId["ROPSTEN"] = 3] = "ROPSTEN";
ChainId[ChainId["RINKEBY"] = 4] = "RINKEBY";
ChainId[ChainId["G\xD6RLI"] = 5] = "G\xD6RLI";
ChainId[ChainId["KOVAN"] = 42] = "KOVAN";
})(ChainId || (ChainId = {}));
var TradeType;
(function (TradeType) {
TradeType[TradeType["EXACT_INPUT"] = 0] = "EXACT_INPUT";
TradeType[TradeType["EXACT_OUTPUT"] = 1] = "EXACT_OUTPUT";
})(TradeType || (TradeType = {}));
var Rounding;
(function (Rounding) {
Rounding[Rounding["ROUND_DOWN"] = 0] = "ROUND_DOWN";
Rounding[Rounding["ROUND_HALF_UP"] = 1] = "ROUND_HALF_UP";
Rounding[Rounding["ROUND_UP"] = 2] = "ROUND_UP";
})(Rounding || (Rounding = {}));
function _defineProperties$1(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass$1(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties$1(Constructor.prototype, protoProps);
if (staticProps) _defineProperties$1(Constructor, staticProps);
return Constructor;
}
function _inheritsLoose$1(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
subClass.__proto__ = superClass;
}
/**
* A currency is any fungible financial instrument on Ethereum, including Ether and all ERC20 tokens.
*
* The only instance of the base class `Currency` is Ether.
*/
var BaseCurrency =
/**
* Constructs an instance of the base class `Currency`. The only instance of the base class `Currency` is `Currency.ETHER`.
* @param decimals decimals of the currency
* @param symbol symbol of the currency
* @param name of the currency
*/
function BaseCurrency(decimals, symbol, name) {
!(decimals >= 0 && decimals < 255 && Number.isInteger(decimals)) ? invariant(false, 'DECIMALS') : void 0;
this.decimals = decimals;
this.symbol = symbol;
this.name = name;
};
var _toSignificantRoundin, _toFixedRounding;
var Decimal = /*#__PURE__*/toFormat(_Decimal);
var Big = /*#__PURE__*/toFormat(_Big);
var toSignificantRounding = (_toSignificantRoundin = {}, _toSignificantRoundin[Rounding.ROUND_DOWN] = Decimal.ROUND_DOWN, _toSignificantRoundin[Rounding.ROUND_HALF_UP] = Decimal.ROUND_HALF_UP, _toSignificantRoundin[Rounding.ROUND_UP] = Decimal.ROUND_UP, _toSignificantRoundin);
var toFixedRounding = (_toFixedRounding = {}, _toFixedRounding[Rounding.ROUND_DOWN] = 0, _toFixedRounding[Rounding.ROUND_HALF_UP] = 1, _toFixedRounding[Rounding.ROUND_UP] = 3, _toFixedRounding);
var Fraction = /*#__PURE__*/function () {
function Fraction(numerator, denominator) {
if (denominator === void 0) {
denominator = JSBI.BigInt(1);
}
this.numerator = JSBI.BigInt(numerator);
this.denominator = JSBI.BigInt(denominator);
}
Fraction.tryParseFraction = function tryParseFraction(fractionish) {
if (fractionish instanceof JSBI || typeof fractionish === 'number' || typeof fractionish === 'string') return new Fraction(fractionish);
if ('numerator' in fractionish && 'denominator' in fractionish) return fractionish;
throw new Error('Could not parse fraction');
} // performs floor division
;
var _proto = Fraction.prototype;
_proto.invert = function invert() {
return new Fraction(this.denominator, this.numerator);
};
_proto.add = function add(other) {
var otherParsed = Fraction.tryParseFraction(other);
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.add(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.add(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.subtract = function subtract(other) {
var otherParsed = Fraction.tryParseFraction(other);
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.subtract(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.subtract(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.lessThan = function lessThan(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.lessThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.equalTo = function equalTo(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.equal(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.greaterThan = function greaterThan(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.greaterThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.multiply = function multiply(other) {
var otherParsed = Fraction.tryParseFraction(other);
return new Fraction(JSBI.multiply(this.numerator, otherParsed.numerator), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.divide = function divide(other) {
var otherParsed = Fraction.tryParseFraction(other);
return new Fraction(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(this.denominator, otherParsed.numerator));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(significantDigits) ? invariant(false, significantDigits + " is not an integer.") : void 0;
!(significantDigits > 0) ? invariant(false, significantDigits + " is not positive.") : void 0;
Decimal.set({
precision: significantDigits + 1,
rounding: toSignificantRounding[rounding]
});
var quotient = new Decimal(this.numerator.toString()).div(this.denominator.toString()).toSignificantDigits(significantDigits);
return quotient.toFormat(quotient.decimalPlaces(), format);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(decimalPlaces) ? invariant(false, decimalPlaces + " is not an integer.") : void 0;
!(decimalPlaces >= 0) ? invariant(false, decimalPlaces + " is negative.") : void 0;
Big.DP = decimalPlaces;
Big.RM = toFixedRounding[rounding];
return new Big(this.numerator.toString()).div(this.denominator.toString()).toFormat(decimalPlaces, format);
}
/**
* Helper method for converting any super class back to a fraction
*/
;
_createClass$1(Fraction, [{
key: "quotient",
get: function get() {
return JSBI.divide(this.numerator, this.denominator);
} // remainder after floor division
}, {
key: "remainder",
get: function get() {
return new Fraction(JSBI.remainder(this.numerator, this.denominator), this.denominator);
}
}, {
key: "asFraction",
get: function get() {
return new Fraction(this.numerator, this.denominator);
}
}]);
return Fraction;
}();
var ONE_HUNDRED = /*#__PURE__*/new Fraction( /*#__PURE__*/JSBI.BigInt(100));
/**
* Converts a fraction to a percent
* @param fraction the fraction to convert
*/
function toPercent(fraction) {
return new Percent(fraction.numerator, fraction.denominator);
}
var Percent = /*#__PURE__*/function (_Fraction) {
_inheritsLoose$1(Percent, _Fraction);
function Percent() {
var _this;
_this = _Fraction.apply(this, arguments) || this;
/**
* This boolean prevents a fraction from being interpreted as a Percent
*/
_this.isPercent = true;
return _this;
}
var _proto = Percent.prototype;
_proto.add = function add(other) {
return toPercent(_Fraction.prototype.add.call(this, other));
};
_proto.subtract = function subtract(other) {
return toPercent(_Fraction.prototype.subtract.call(this, other));
};
_proto.multiply = function multiply(other) {
return toPercent(_Fraction.prototype.multiply.call(this, other));
};
_proto.divide = function divide(other) {
return toPercent(_Fraction.prototype.divide.call(this, other));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (significantDigits === void 0) {
significantDigits = 5;
}
return _Fraction.prototype.multiply.call(this, ONE_HUNDRED).toSignificant(significantDigits, format, rounding);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (decimalPlaces === void 0) {
decimalPlaces = 2;
}
return _Fraction.prototype.multiply.call(this, ONE_HUNDRED).toFixed(decimalPlaces, format, rounding);
};
return Percent;
}(Fraction);
/**
* Validates an address and returns the parsed (checksummed) version of that address
* @param address the unchecksummed hex address
*/
function validateAndParseAddress(address$1) {
try {
return address.getAddress(address$1);
} catch (error) {
throw new Error(address$1 + " is not a valid address.");
}
}
var _WETH;
/**
* Represents an ERC20 token with a unique address and some metadata.
*/
var Token = /*#__PURE__*/function (_BaseCurrency) {
_inheritsLoose$1(Token, _BaseCurrency);
function Token(chainId, address, decimals, symbol, name) {
var _this;
_this = _BaseCurrency.call(this, decimals, symbol, name) || this;
_this.isEther = false;
_this.isToken = true;
_this.chainId = chainId;
_this.address = validateAndParseAddress(address);
return _this;
}
/**
* Returns true if the two tokens are equivalent, i.e. have the same chainId and address.
* @param other other token to compare
*/
var _proto = Token.prototype;
_proto.equals = function equals(other) {
// short circuit on reference equality
if (this === other) {
return true;
}
return this.chainId === other.chainId && this.address === other.address;
}
/**
* Returns true if the address of this token sorts before the address of the other token
* @param other other token to compare
* @throws if the tokens have the same address
* @throws if the tokens are on different chains
*/
;
_proto.sortsBefore = function sortsBefore(other) {
!(this.chainId === other.chainId) ? invariant(false, 'CHAIN_IDS') : void 0;
!(this.address !== other.address) ? invariant(false, 'ADDRESSES') : void 0;
return this.address.toLowerCase() < other.address.toLowerCase();
};
return Token;
}(BaseCurrency);
var WETH9 = (_WETH = {}, _WETH[ChainId.MAINNET] = /*#__PURE__*/new Token(ChainId.MAINNET, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.ROPSTEN] = /*#__PURE__*/new Token(ChainId.ROPSTEN, '0xc778417E063141139Fce010982780140Aa0cD5Ab', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.RINKEBY] = /*#__PURE__*/new Token(ChainId.RINKEBY, '0xc778417E063141139Fce010982780140Aa0cD5Ab', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.GÖRLI] = /*#__PURE__*/new Token(ChainId.GÖRLI, '0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.KOVAN] = /*#__PURE__*/new Token(ChainId.KOVAN, '0xd0A1E359811322d97991E03f863a0C30C2cF029C', 18, 'WETH9', 'Wrapped Ether'), _WETH);
/**
* Returns the percent difference between the mid price and the execution price, i.e. price impact.

@@ -512,10 +849,10 @@ * @param midPrice mid price before the trade

function computePriceImpact(midPrice, inputAmount, outputAmount) {
var exactQuote = midPrice.raw.multiply(inputAmount.raw); // calculate slippage := (exactQuote - outputAmount) / exactQuote
var quotedOutputAmount = midPrice.quote(inputAmount); // calculate price impact := (exactQuote - outputAmount) / exactQuote
var slippage = exactQuote.subtract(outputAmount.raw).divide(exactQuote);
return new sdkCore.Percent(slippage.numerator, slippage.denominator);
} // comparator function that allows sorting trades by their output amounts, in decreasing order, and then input amounts
var priceImpact = quotedOutputAmount.subtract(outputAmount).divide(quotedOutputAmount);
return new Percent(priceImpact.numerator, priceImpact.denominator);
} // `maxSize` by removing the last item
// in increasing order. i.e. the best trades have the most outputs for the least inputs and are sorted first
function inputOutputComparator(a, b) {

@@ -565,19 +902,2 @@ // must have same input and output token for comparison

/**
* Given a currency amount and a chain ID, returns the equivalent representation as the token amount.
* In other words, if the currency is ETHER, returns the WETH9 token amount for the given chain. Otherwise, returns
* the input currency amount.
*/
function wrappedAmount(currencyAmount, chainId) {
if (currencyAmount.currency.isToken) return currencyAmount;
if (currencyAmount.currency.isEther) return new sdkCore.CurrencyAmount(sdkCore.WETH9[chainId], currencyAmount.raw);
throw new Error('CURRENCY');
}
function wrappedCurrency(currency, chainId) {
if (currency.isToken) return currency;
if (currency === sdkCore.ETHER) return sdkCore.WETH9[chainId];
throw new Error('CURRENCY');
}
/**
* Represents a trade executed against a list of pairs.

@@ -587,11 +907,11 @@ * Does not account for slippage, i.e. trades that front run this trade and move the price.

var Trade = /*#__PURE__*/function () {
function Trade(route, amount, tradeType) {
var amounts = new Array(route.path.length);
var nextPairs = new Array(route.pairs.length);
this.route = route;
this.tradeType = tradeType;
var tokenAmounts = new Array(route.path.length);
if (tradeType === sdkCore.TradeType.EXACT_INPUT) {
!sdkCore.currencyEquals(amount.currency, route.input) ? invariant(false, 'INPUT') : void 0;
amounts[0] = wrappedAmount(amount, route.chainId);
tokenAmounts[0] = sdkCore.wrappedCurrencyAmount(amount, route.chainId);

@@ -601,12 +921,13 @@ for (var i = 0; i < route.path.length - 1; i++) {

var _pair$getOutputAmount = pair.getOutputAmount(amounts[i]),
outputAmount = _pair$getOutputAmount[0],
nextPair = _pair$getOutputAmount[1];
var _pair$getOutputAmount = pair.getOutputAmount(tokenAmounts[i]),
outputAmount = _pair$getOutputAmount[0];
amounts[i + 1] = outputAmount;
nextPairs[i] = nextPair;
tokenAmounts[i + 1] = outputAmount;
}
this.inputAmount = sdkCore.CurrencyAmount.fromFractionalAmount(route.input, amount.numerator, amount.denominator);
this.outputAmount = sdkCore.CurrencyAmount.fromFractionalAmount(route.output, tokenAmounts[tokenAmounts.length - 1].numerator, tokenAmounts[tokenAmounts.length - 1].denominator);
} else {
!sdkCore.currencyEquals(amount.currency, route.output) ? invariant(false, 'OUTPUT') : void 0;
amounts[amounts.length - 1] = wrappedAmount(amount, route.chainId);
tokenAmounts[tokenAmounts.length - 1] = sdkCore.wrappedCurrencyAmount(amount, route.chainId);

@@ -616,17 +937,13 @@ for (var _i = route.path.length - 1; _i > 0; _i--) {

var _pair$getInputAmount = _pair.getInputAmount(amounts[_i]),
inputAmount = _pair$getInputAmount[0],
_nextPair = _pair$getInputAmount[1];
var _pair$getInputAmount = _pair.getInputAmount(tokenAmounts[_i]),
inputAmount = _pair$getInputAmount[0];
amounts[_i - 1] = inputAmount;
nextPairs[_i - 1] = _nextPair;
tokenAmounts[_i - 1] = inputAmount;
}
this.inputAmount = sdkCore.CurrencyAmount.fromFractionalAmount(route.input, tokenAmounts[0].numerator, tokenAmounts[0].denominator);
this.outputAmount = sdkCore.CurrencyAmount.fromFractionalAmount(route.output, amount.numerator, amount.denominator);
}
this.route = route;
this.tradeType = tradeType;
this.inputAmount = tradeType === sdkCore.TradeType.EXACT_INPUT ? amount : route.input === sdkCore.ETHER ? sdkCore.CurrencyAmount.ether(amounts[0].raw) : amounts[0];
this.outputAmount = tradeType === sdkCore.TradeType.EXACT_OUTPUT ? amount : route.output === sdkCore.ETHER ? sdkCore.CurrencyAmount.ether(amounts[amounts.length - 1].raw) : amounts[amounts.length - 1];
this.executionPrice = new sdkCore.Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.raw, this.outputAmount.raw);
this.nextMidPrice = new Route(nextPairs, route.input).midPrice;
this.executionPrice = new sdkCore.Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.quotient, this.outputAmount.quotient);
this.priceImpact = computePriceImpact(route.midPrice, this.inputAmount, this.outputAmount);

@@ -668,4 +985,4 @@ }

} else {
var slippageAdjustedAmountOut = new sdkCore.Fraction(ONE).add(slippageTolerance).invert().multiply(this.outputAmount.raw).quotient;
return new sdkCore.CurrencyAmount(this.outputAmount.currency, slippageAdjustedAmountOut);
var slippageAdjustedAmountOut = new sdkCore.Fraction(ONE).add(slippageTolerance).invert().multiply(this.outputAmount.quotient).quotient;
return sdkCore.CurrencyAmount.fromRawAmount(this.outputAmount.currency, slippageAdjustedAmountOut);
}

@@ -685,4 +1002,4 @@ }

} else {
var slippageAdjustedAmountIn = new sdkCore.Fraction(ONE).add(slippageTolerance).multiply(this.inputAmount.raw).quotient;
return new sdkCore.CurrencyAmount(this.inputAmount.currency, slippageAdjustedAmountIn);
var slippageAdjustedAmountIn = new sdkCore.Fraction(ONE).add(slippageTolerance).multiply(this.inputAmount.quotient).quotient;
return sdkCore.CurrencyAmount.fromRawAmount(this.inputAmount.currency, slippageAdjustedAmountIn);
}

@@ -696,3 +1013,3 @@ }

* @param pairs the pairs to consider in finding the best trade
* @param currencyAmountIn exact amount of input currency to spend
* @param nextAmountIn exact amount of input currency to spend
* @param currencyOut the desired currency out

@@ -702,3 +1019,3 @@ * @param maxNumResults maximum number of results to return

* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param currencyAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param bestTrades used in recursion; the current list of best trades

@@ -709,3 +1026,3 @@ */

Trade.bestTradeExactIn = function bestTradeExactIn(pairs, currencyAmountIn, currencyOut, _temp, // used in recursion.
currentPairs, originalAmountIn, bestTrades) {
currentPairs, nextAmountIn, bestTrades) {
var _ref = _temp === void 0 ? {} : _temp,

@@ -721,4 +1038,4 @@ _ref$maxNumResults = _ref.maxNumResults,

if (originalAmountIn === void 0) {
originalAmountIn = currencyAmountIn;
if (nextAmountIn === void 0) {
nextAmountIn = currencyAmountIn;
}

@@ -732,7 +1049,7 @@

!(maxHops > 0) ? invariant(false, 'MAX_HOPS') : void 0;
!(originalAmountIn === currencyAmountIn || currentPairs.length > 0) ? invariant(false, 'INVALID_RECURSION') : void 0;
var chainId = currencyAmountIn.currency.isToken ? currencyAmountIn.currency.chainId : currencyOut.isToken ? currencyOut.chainId : undefined;
!(currencyAmountIn === nextAmountIn || currentPairs.length > 0) ? invariant(false, 'INVALID_RECURSION') : void 0;
var chainId = nextAmountIn.currency.isToken ? nextAmountIn.currency.chainId : currencyOut.isToken ? currencyOut.chainId : undefined;
!(chainId !== undefined) ? invariant(false, 'CHAIN_ID') : void 0;
var amountIn = wrappedAmount(currencyAmountIn, chainId);
var tokenOut = wrappedCurrency(currencyOut, chainId);
var amountIn = sdkCore.wrappedCurrencyAmount(nextAmountIn, chainId);
var tokenOut = sdkCore.wrappedCurrency(currencyOut, chainId);

@@ -763,10 +1080,10 @@ for (var i = 0; i < pairs.length; i++) {

if (sdkCore.currencyEquals(amountOut.currency, tokenOut)) {
sdkCore.sortedInsert(bestTrades, new Trade(new Route([].concat(currentPairs, [pair]), originalAmountIn.currency, currencyOut), originalAmountIn, sdkCore.TradeType.EXACT_INPUT), maxNumResults, tradeComparator);
sdkCore.sortedInsert(bestTrades, new Trade(new Route([].concat(currentPairs, [pair]), currencyAmountIn.currency, currencyOut), currencyAmountIn, sdkCore.TradeType.EXACT_INPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that lead from this token as long as we have not exceeded maxHops
Trade.bestTradeExactIn(pairsExcludingThisPair, amountOut, currencyOut, {
Trade.bestTradeExactIn(pairsExcludingThisPair, currencyAmountIn, currencyOut, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [].concat(currentPairs, [pair]), originalAmountIn, bestTrades);
}, [].concat(currentPairs, [pair]), amountOut, bestTrades);
}

@@ -784,3 +1101,3 @@ }

_proto.worstExecutionPrice = function worstExecutionPrice(slippageTolerance) {
return new sdkCore.Price(this.inputAmount.currency, this.outputAmount.currency, this.maximumAmountIn(slippageTolerance).raw, this.minimumAmountOut(slippageTolerance).raw);
return new sdkCore.Price(this.inputAmount.currency, this.outputAmount.currency, this.maximumAmountIn(slippageTolerance).quotient, this.minimumAmountOut(slippageTolerance).quotient);
}

@@ -795,7 +1112,7 @@ /**

* @param currencyIn the currency to spend
* @param currencyAmountOut the exact amount of currency out
* @param nextAmountOut the exact amount of currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param currencyAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param bestTrades used in recursion; the current list of best trades

@@ -806,3 +1123,3 @@ */

Trade.bestTradeExactOut = function bestTradeExactOut(pairs, currencyIn, currencyAmountOut, _temp2, // used in recursion.
currentPairs, originalAmountOut, bestTrades) {
currentPairs, nextAmountOut, bestTrades) {
var _ref2 = _temp2 === void 0 ? {} : _temp2,

@@ -818,4 +1135,4 @@ _ref2$maxNumResults = _ref2.maxNumResults,

if (originalAmountOut === void 0) {
originalAmountOut = currencyAmountOut;
if (nextAmountOut === void 0) {
nextAmountOut = currencyAmountOut;
}

@@ -829,7 +1146,7 @@

!(maxHops > 0) ? invariant(false, 'MAX_HOPS') : void 0;
!(originalAmountOut === currencyAmountOut || currentPairs.length > 0) ? invariant(false, 'INVALID_RECURSION') : void 0;
var chainId = currencyAmountOut.currency.isToken ? currencyAmountOut.currency.chainId : currencyIn.isToken ? currencyIn.chainId : undefined;
!(currencyAmountOut === nextAmountOut || currentPairs.length > 0) ? invariant(false, 'INVALID_RECURSION') : void 0;
var chainId = nextAmountOut.currency.isToken ? nextAmountOut.currency.chainId : currencyIn.isToken ? currencyIn.chainId : undefined;
!(chainId !== undefined) ? invariant(false, 'CHAIN_ID') : void 0;
var amountOut = wrappedAmount(currencyAmountOut, chainId);
var tokenIn = wrappedCurrency(currencyIn, chainId);
var amountOut = sdkCore.wrappedCurrencyAmount(nextAmountOut, chainId);
var tokenIn = sdkCore.wrappedCurrency(currencyIn, chainId);

@@ -860,10 +1177,10 @@ for (var i = 0; i < pairs.length; i++) {

if (sdkCore.currencyEquals(amountIn.currency, tokenIn)) {
sdkCore.sortedInsert(bestTrades, new Trade(new Route([pair].concat(currentPairs), currencyIn, originalAmountOut.currency), originalAmountOut, sdkCore.TradeType.EXACT_OUTPUT), maxNumResults, tradeComparator);
sdkCore.sortedInsert(bestTrades, new Trade(new Route([pair].concat(currentPairs), currencyIn, currencyAmountOut.currency), currencyAmountOut, sdkCore.TradeType.EXACT_OUTPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that arrive at this token as long as we have not exceeded maxHops
Trade.bestTradeExactOut(pairsExcludingThisPair, currencyIn, amountIn, {
Trade.bestTradeExactOut(pairsExcludingThisPair, currencyIn, currencyAmountOut, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [pair].concat(currentPairs), originalAmountOut, bestTrades);
}, [pair].concat(currentPairs), amountIn, bestTrades);
}

@@ -879,3 +1196,3 @@ }

function toHex(currencyAmount) {
return "0x" + currencyAmount.raw.toString(16);
return "0x" + currencyAmount.quotient.toString(16);
}

@@ -901,4 +1218,4 @@

Router.swapCallParameters = function swapCallParameters(trade, options) {
var etherIn = trade.inputAmount.currency === sdkCore.ETHER;
var etherOut = trade.outputAmount.currency === sdkCore.ETHER; // the router does not support both ether in and out
var etherIn = trade.inputAmount.currency.isEther;
var etherOut = trade.outputAmount.currency.isEther; // the router does not support both ether in and out

@@ -973,3 +1290,2 @@ !!(etherIn && etherOut) ? invariant(false, 'ETHER_IN_OUT') : void 0;

exports.JSBI = JSBI;
exports.FACTORY_ADDRESS = FACTORY_ADDRESS;

@@ -976,0 +1292,0 @@ exports.INIT_CODE_HASH = INIT_CODE_HASH;

2

dist/v2-sdk.cjs.production.min.js

@@ -1,2 +0,2 @@

"use strict";function e(e){return e&&"object"==typeof e&&"default"in e?e.default:e}Object.defineProperty(exports,"__esModule",{value:!0});var t=e(require("jsbi")),r=require("@uniswap/sdk-core"),n=e(require("tiny-invariant")),u=require("@ethersproject/solidity"),o=require("@ethersproject/address"),i="0x96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f",c=t.BigInt(1e3),s=t.BigInt(0),a=t.BigInt(1),l=t.BigInt(5),p=t.BigInt(997),h=t.BigInt(1e3);function y(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}function f(e,t,r){return t&&y(e.prototype,t),r&&y(e,r),e}function d(e,t){e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e.__proto__=t}function v(e){return(v=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function T(e,t){return(T=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(e){return!1}}function k(e,t,r){return(k=m()?Reflect.construct:function(e,t,r){var n=[null];n.push.apply(n,t);var u=new(Function.bind.apply(e,n));return r&&T(u,r.prototype),u}).apply(null,arguments)}function w(e){var t="function"==typeof Map?new Map:void 0;return(w=function(e){if(null===e||-1===Function.toString.call(e).indexOf("[native code]"))return e;if("function"!=typeof e)throw new TypeError("Super expression must either be null or a function");if(void 0!==t){if(t.has(e))return t.get(e);t.set(e,r)}function r(){return k(e,arguments,v(this).constructor)}return r.prototype=Object.create(e.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),T(r,e)})(e)}function A(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function E(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,n=new Array(t);r<t;r++)n[r]=e[r];return n}function g(e,t){var r;if("undefined"==typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(r=function(e,t){if(e){if("string"==typeof e)return E(e,void 0);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?E(e,void 0):void 0}}(e))||t&&e&&"number"==typeof e.length){r&&(e=r);var n=0;return function(){return n>=e.length?{done:!0}:{done:!1,value:e[n++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}return(r=e[Symbol.iterator]()).next.bind(r)}var I="setPrototypeOf"in Object,q=function(e){function t(){var r;return(r=e.call(this)||this).isInsufficientReservesError=!0,r.name=r.constructor.name,I&&Object.setPrototypeOf(A(r),(this instanceof t?this.constructor:void 0).prototype),r}return d(t,e),t}(w(Error)),x=function(e){function t(){var r;return(r=e.call(this)||this).isInsufficientInputAmountError=!0,r.name=r.constructor.name,I&&Object.setPrototypeOf(A(r),(this instanceof t?this.constructor:void 0).prototype),r}return d(t,e),t}(w(Error)),b=function(e){var t=e.factoryAddress,r=e.tokenA,n=e.tokenB,c=r.sortsBefore(n)?[r,n]:[n,r];return o.getCreate2Address(t,u.keccak256(["bytes"],[u.pack(["address","address"],[c[0].address,c[1].address])]),i)},O=function(){function e(t,u){t.currency.isToken&&u.currency.isToken||n(!1);var o=t.currency.sortsBefore(u.currency)?[t,u]:[u,t];o[0].currency.isToken&&o[1].currency.isToken||n(!1),this.liquidityToken=new r.Token(o[0].currency.chainId,e.getAddress(o[0].currency,o[1].currency),18,"UNI-V2","Uniswap V2"),this.tokenAmounts=o}e.getAddress=function(e,t){return b({factoryAddress:"0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",tokenA:e,tokenB:t})};var u=e.prototype;return u.involvesToken=function(e){return e.equals(this.token0)||e.equals(this.token1)},u.priceOf=function(e){return this.involvesToken(e)||n(!1),e.equals(this.token0)?this.token0Price:this.token1Price},u.reserveOf=function(e){return this.involvesToken(e)||n(!1),e.equals(this.token0)?this.reserve0:this.reserve1},u.getOutputAmount=function(u){if(u.currency.isToken&&this.involvesToken(u.currency)||n(!1),t.equal(this.reserve0.raw,s)||t.equal(this.reserve1.raw,s))throw new q;var o=this.reserveOf(u.currency),i=this.reserveOf(u.currency.equals(this.token0)?this.token1:this.token0),c=t.multiply(u.raw,p),a=t.multiply(c,i.raw),l=t.add(t.multiply(o.raw,h),c),y=new r.CurrencyAmount(u.currency.equals(this.token0)?this.token1:this.token0,t.divide(a,l));if(t.equal(y.raw,s))throw new x;return[y,new e(o.add(u),i.subtract(y))]},u.getInputAmount=function(u){if(u.currency.isToken&&this.involvesToken(u.currency)||n(!1),t.equal(this.reserve0.raw,s)||t.equal(this.reserve1.raw,s)||t.greaterThanOrEqual(u.raw,this.reserveOf(u.currency).raw))throw new q;var o=this.reserveOf(u.currency),i=this.reserveOf(u.currency.equals(this.token0)?this.token1:this.token0),c=t.multiply(t.multiply(i.raw,u.raw),h),l=t.multiply(t.subtract(o.raw,u.raw),p),y=new r.CurrencyAmount(u.currency.equals(this.token0)?this.token1:this.token0,t.add(t.divide(c,l),a));return[y,new e(i.add(y),o.subtract(u))]},u.getLiquidityMinted=function(e,u,o){e.currency.isToken&&e.currency.equals(this.liquidityToken)||n(!1);var i,a=u.currency.isToken&&o.currency.isToken&&u.currency.sortsBefore(o.currency)?[u,o]:[o,u];if(a[0].currency.isToken&&a[1].currency.isToken||n(!1),a[0].currency.equals(this.token0)&&a[1].currency.equals(this.token1)||n(!1),t.equal(e.raw,s))i=t.subtract(r.sqrt(t.multiply(a[0].raw,a[1].raw)),c);else{var l=t.divide(t.multiply(a[0].raw,e.raw),this.reserve0.raw),p=t.divide(t.multiply(a[1].raw,e.raw),this.reserve1.raw);i=t.lessThanOrEqual(l,p)?l:p}if(!t.greaterThan(i,s))throw new x;return new r.CurrencyAmount(this.liquidityToken,i)},u.getLiquidityValue=function(e,u,o,i,c){var a;if(void 0===i&&(i=!1),this.involvesToken(e)||n(!1),u.currency.isToken&&u.currency.equals(this.liquidityToken)||n(!1),o.currency.isToken&&o.currency.equals(this.liquidityToken)||n(!1),t.lessThanOrEqual(o.raw,u.raw)||n(!1),i){c||n(!1);var p=t.BigInt(c);if(t.equal(p,s))a=u;else{var h=r.sqrt(t.multiply(this.reserve0.raw,this.reserve1.raw)),y=r.sqrt(p);if(t.greaterThan(h,y)){var f=t.multiply(u.raw,t.subtract(h,y)),d=t.add(t.multiply(h,l),y),v=t.divide(f,d);a=u.add(new r.CurrencyAmount(this.liquidityToken,v))}else a=u}}else a=u;return new r.CurrencyAmount(e,t.divide(t.multiply(o.raw,this.reserveOf(e).raw),a.raw))},f(e,[{key:"token0Price",get:function(){return new r.Price(this.token0,this.token1,this.tokenAmounts[0].raw,this.tokenAmounts[1].raw)}},{key:"token1Price",get:function(){return new r.Price(this.token1,this.token0,this.tokenAmounts[1].raw,this.tokenAmounts[0].raw)}},{key:"chainId",get:function(){return this.token0.chainId}},{key:"token0",get:function(){return this.tokenAmounts[0].currency.isToken||n(!1),this.tokenAmounts[0].currency}},{key:"token1",get:function(){return this.tokenAmounts[1].currency.isToken||n(!1),this.tokenAmounts[1].currency}},{key:"reserve0",get:function(){return this.tokenAmounts[0]}},{key:"reserve1",get:function(){return this.tokenAmounts[1]}}]),e}(),P=function(){function e(e,t,u){e.length>0||n(!1);var o=e[0].chainId;e.every((function(e){return e.chainId===o}))||n(!1);var i=r.WETH9[o];t.isToken&&e[0].involvesToken(t)||t===r.ETHER&&i&&e[0].involvesToken(i)||n(!1),void 0===u||u.isToken&&e[e.length-1].involvesToken(u)||u===r.ETHER&&i&&e[e.length-1].involvesToken(i)||n(!1);for(var c,s=[t.isToken?t:i],a=g(e.entries());!(c=a()).done;){var l=c.value,p=l[1],h=s[l[0]];h.equals(p.token0)||h.equals(p.token1)||n(!1);var y=h.equals(p.token0)?p.token1:p.token0;s.push(y)}this.pairs=e,this.path=s,this.input=t,this.output=null!=u?u:s[s.length-1]}return f(e,[{key:"midPrice",get:function(){for(var e,t=[],n=g(this.pairs.entries());!(e=n()).done;){var u=e.value,o=u[1];t.push(this.path[u[0]].equals(o.token0)?new r.Price(o.reserve0.currency,o.reserve1.currency,o.reserve0.raw,o.reserve1.raw):new r.Price(o.reserve1.currency,o.reserve0.currency,o.reserve1.raw,o.reserve0.raw))}return t.slice(1).reduce((function(e,t){return e.multiply(t)}),t[0])}},{key:"chainId",get:function(){return this.pairs[0].chainId}}]),e}();function C(e,t){return r.currencyEquals(e.inputAmount.currency,t.inputAmount.currency)||n(!1),r.currencyEquals(e.outputAmount.currency,t.outputAmount.currency)||n(!1),e.outputAmount.equalTo(t.outputAmount)?e.inputAmount.equalTo(t.inputAmount)?0:e.inputAmount.lessThan(t.inputAmount)?-1:1:e.outputAmount.lessThan(t.outputAmount)?1:-1}function _(e,t){var r=C(e,t);return 0!==r?r:e.priceImpact.lessThan(t.priceImpact)?-1:e.priceImpact.greaterThan(t.priceImpact)?1:e.route.path.length-t.route.path.length}function R(e,t){if(e.currency.isToken)return e;if(e.currency.isEther)return new r.CurrencyAmount(r.WETH9[t],e.raw);throw new Error("CURRENCY")}function U(e,t){if(e.isToken)return e;if(e===r.ETHER)return r.WETH9[t];throw new Error("CURRENCY")}var H=function(){function e(e,t,u){var o,i,c,s=new Array(e.path.length),a=new Array(e.pairs.length);if(u===r.TradeType.EXACT_INPUT){r.currencyEquals(t.currency,e.input)||n(!1),s[0]=R(t,e.chainId);for(var l=0;l<e.path.length-1;l++){var p=e.pairs[l].getOutputAmount(s[l]),h=p[1];s[l+1]=p[0],a[l]=h}}else{r.currencyEquals(t.currency,e.output)||n(!1),s[s.length-1]=R(t,e.chainId);for(var y=e.path.length-1;y>0;y--){var f=e.pairs[y-1].getInputAmount(s[y]),d=f[1];s[y-1]=f[0],a[y-1]=d}}this.route=e,this.tradeType=u,this.inputAmount=u===r.TradeType.EXACT_INPUT?t:e.input===r.ETHER?r.CurrencyAmount.ether(s[0].raw):s[0],this.outputAmount=u===r.TradeType.EXACT_OUTPUT?t:e.output===r.ETHER?r.CurrencyAmount.ether(s[s.length-1].raw):s[s.length-1],this.executionPrice=new r.Price(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.raw,this.outputAmount.raw),this.nextMidPrice=new P(a,e.input).midPrice,this.priceImpact=(o=this.outputAmount,c=(i=e.midPrice.raw.multiply(this.inputAmount.raw)).subtract(o.raw).divide(i),new r.Percent(c.numerator,c.denominator))}e.exactIn=function(t,n){return new e(t,n,r.TradeType.EXACT_INPUT)},e.exactOut=function(t,n){return new e(t,n,r.TradeType.EXACT_OUTPUT)};var t=e.prototype;return t.minimumAmountOut=function(e){if(e.lessThan(s)&&n(!1),this.tradeType===r.TradeType.EXACT_OUTPUT)return this.outputAmount;var t=new r.Fraction(a).add(e).invert().multiply(this.outputAmount.raw).quotient;return new r.CurrencyAmount(this.outputAmount.currency,t)},t.maximumAmountIn=function(e){if(e.lessThan(s)&&n(!1),this.tradeType===r.TradeType.EXACT_INPUT)return this.inputAmount;var t=new r.Fraction(a).add(e).multiply(this.inputAmount.raw).quotient;return new r.CurrencyAmount(this.inputAmount.currency,t)},e.bestTradeExactIn=function(t,u,o,i,c,a,l){var p=void 0===i?{}:i,h=p.maxNumResults,y=void 0===h?3:h,f=p.maxHops,d=void 0===f?3:f;void 0===c&&(c=[]),void 0===a&&(a=u),void 0===l&&(l=[]),t.length>0||n(!1),d>0||n(!1),a===u||c.length>0||n(!1);var v=u.currency.isToken?u.currency.chainId:o.isToken?o.chainId:void 0;void 0===v&&n(!1);for(var T=R(u,v),m=U(o,v),k=0;k<t.length;k++){var w=t[k];if((r.currencyEquals(w.token0,T.currency)||r.currencyEquals(w.token1,T.currency))&&!w.reserve0.equalTo(s)&&!w.reserve1.equalTo(s)){var A=void 0;try{A=w.getOutputAmount(T)[0]}catch(e){if(e.isInsufficientInputAmountError)continue;throw e}if(r.currencyEquals(A.currency,m))r.sortedInsert(l,new e(new P([].concat(c,[w]),a.currency,o),a,r.TradeType.EXACT_INPUT),y,_);else if(d>1&&t.length>1){var E=t.slice(0,k).concat(t.slice(k+1,t.length));e.bestTradeExactIn(E,A,o,{maxNumResults:y,maxHops:d-1},[].concat(c,[w]),a,l)}}}return l},t.worstExecutionPrice=function(e){return new r.Price(this.inputAmount.currency,this.outputAmount.currency,this.maximumAmountIn(e).raw,this.minimumAmountOut(e).raw)},e.bestTradeExactOut=function(t,u,o,i,c,a,l){var p=void 0===i?{}:i,h=p.maxNumResults,y=void 0===h?3:h,f=p.maxHops,d=void 0===f?3:f;void 0===c&&(c=[]),void 0===a&&(a=o),void 0===l&&(l=[]),t.length>0||n(!1),d>0||n(!1),a===o||c.length>0||n(!1);var v=o.currency.isToken?o.currency.chainId:u.isToken?u.chainId:void 0;void 0===v&&n(!1);for(var T=R(o,v),m=U(u,v),k=0;k<t.length;k++){var w=t[k];if((r.currencyEquals(w.token0,T.currency)||r.currencyEquals(w.token1,T.currency))&&!w.reserve0.equalTo(s)&&!w.reserve1.equalTo(s)){var A=void 0;try{A=w.getInputAmount(T)[0]}catch(e){if(e.isInsufficientReservesError)continue;throw e}if(r.currencyEquals(A.currency,m))r.sortedInsert(l,new e(new P([w].concat(c),u,a.currency),a,r.TradeType.EXACT_OUTPUT),y,_);else if(d>1&&t.length>1){var E=t.slice(0,k).concat(t.slice(k+1,t.length));e.bestTradeExactOut(E,u,A,{maxNumResults:y,maxHops:d-1},[w].concat(c),a,l)}}}return l},e}();function S(e){return"0x"+e.raw.toString(16)}var B=function(){function e(){}return e.swapCallParameters=function(e,t){var u=e.inputAmount.currency===r.ETHER,o=e.outputAmount.currency===r.ETHER;u&&o&&n(!1),!("ttl"in t)||t.ttl>0||n(!1);var i,c,s,a=r.validateAndParseAddress(t.recipient),l=S(e.maximumAmountIn(t.allowedSlippage)),p=S(e.minimumAmountOut(t.allowedSlippage)),h=e.route.path.map((function(e){return e.address})),y="ttl"in t?"0x"+(Math.floor((new Date).getTime()/1e3)+t.ttl).toString(16):"0x"+t.deadline.toString(16),f=Boolean(t.feeOnTransfer);switch(e.tradeType){case r.TradeType.EXACT_INPUT:u?(i=f?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",c=[p,h,a,y],s=l):o?(i=f?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",c=[l,p,h,a,y],s="0x0"):(i=f?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",c=[l,p,h,a,y],s="0x0");break;case r.TradeType.EXACT_OUTPUT:f&&n(!1),u?(i="swapETHForExactTokens",c=[p,h,a,y],s=l):o?(i="swapTokensForExactETH",c=[p,l,h,a,y],s="0x0"):(i="swapTokensForExactTokens",c=[p,l,h,a,y],s="0x0")}return{methodName:i,args:c,value:s}},e}();exports.JSBI=t,exports.FACTORY_ADDRESS="0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",exports.INIT_CODE_HASH=i,exports.InsufficientInputAmountError=x,exports.InsufficientReservesError=q,exports.MINIMUM_LIQUIDITY=c,exports.Pair=O,exports.Route=P,exports.Router=B,exports.Trade=H,exports.computePairAddress=b,exports.inputOutputComparator=C,exports.tradeComparator=_;
"use strict";function t(t){return t&&"object"==typeof t&&"default"in t?t.default:t}Object.defineProperty(exports,"__esModule",{value:!0});var e=t(require("jsbi")),r=require("@uniswap/sdk-core"),n=t(require("tiny-invariant")),o=require("@ethersproject/solidity"),i=require("@ethersproject/address"),u=t(require("decimal.js-light")),a=t(require("big.js")),s=t(require("toformat")),c="0x96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f",p=e.BigInt(1e3),l=e.BigInt(0),d=e.BigInt(1),m=e.BigInt(5),h=e.BigInt(997),f=e.BigInt(1e3);function y(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function v(t,e,r){return e&&y(t.prototype,e),r&&y(t,r),t}function T(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e}function A(t){return(A=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function q(t,e){return(q=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function g(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}function k(t,e,r){return(k=g()?Reflect.construct:function(t,e,r){var n=[null];n.push.apply(n,e);var o=new(Function.bind.apply(t,n));return r&&q(o,r.prototype),o}).apply(null,arguments)}function w(t){var e="function"==typeof Map?new Map:void 0;return(w=function(t){if(null===t||-1===Function.toString.call(t).indexOf("[native code]"))return t;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,r)}function r(){return k(t,arguments,A(this).constructor)}return r.prototype=Object.create(t.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),q(r,t)})(t)}function E(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function I(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,n=new Array(e);r<e;r++)n[r]=t[r];return n}function O(t,e){var r;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(r=function(t,e){if(t){if("string"==typeof t)return I(t,void 0);var r=Object.prototype.toString.call(t).slice(8,-1);return"Object"===r&&t.constructor&&(r=t.constructor.name),"Map"===r||"Set"===r?Array.from(t):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?I(t,void 0):void 0}}(t))||e&&t&&"number"==typeof t.length){r&&(t=r);var n=0;return function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}return(r=t[Symbol.iterator]()).next.bind(r)}var b,P,x,_="setPrototypeOf"in Object,N=function(t){function e(){var r;return(r=t.call(this)||this).isInsufficientReservesError=!0,r.name=r.constructor.name,_&&Object.setPrototypeOf(E(r),(this instanceof e?this.constructor:void 0).prototype),r}return T(e,t),e}(w(Error)),R=function(t){function e(){var r;return(r=t.call(this)||this).isInsufficientInputAmountError=!0,r.name=r.constructor.name,_&&Object.setPrototypeOf(E(r),(this instanceof e?this.constructor:void 0).prototype),r}return T(e,t),e}(w(Error)),C=function(t){var e=t.factoryAddress,r=t.tokenA,n=t.tokenB,u=r.sortsBefore(n)?[r,n]:[n,r];return i.getCreate2Address(e,o.keccak256(["bytes"],[o.pack(["address","address"],[u[0].address,u[1].address])]),c)},U=function(){function t(e,n){var o=e.currency.sortsBefore(n.currency)?[e,n]:[n,e];this.liquidityToken=new r.Token(o[0].currency.chainId,t.getAddress(o[0].currency,o[1].currency),18,"UNI-V2","Uniswap V2"),this.tokenAmounts=o}t.getAddress=function(t,e){return C({factoryAddress:"0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",tokenA:t,tokenB:e})};var o=t.prototype;return o.involvesToken=function(t){return t.equals(this.token0)||t.equals(this.token1)},o.priceOf=function(t){return this.involvesToken(t)||n(!1),t.equals(this.token0)?this.token0Price:this.token1Price},o.reserveOf=function(t){return this.involvesToken(t)||n(!1),t.equals(this.token0)?this.reserve0:this.reserve1},o.getOutputAmount=function(o){if(this.involvesToken(o.currency)||n(!1),e.equal(this.reserve0.quotient,l)||e.equal(this.reserve1.quotient,l))throw new N;var i=this.reserveOf(o.currency),u=this.reserveOf(o.currency.equals(this.token0)?this.token1:this.token0),a=e.multiply(o.quotient,h),s=e.multiply(a,u.quotient),c=e.add(e.multiply(i.quotient,f),a),p=r.CurrencyAmount.fromRawAmount(o.currency.equals(this.token0)?this.token1:this.token0,e.divide(s,c));if(e.equal(p.quotient,l))throw new R;return[p,new t(i.add(o),u.subtract(p))]},o.getInputAmount=function(o){if(this.involvesToken(o.currency)||n(!1),e.equal(this.reserve0.quotient,l)||e.equal(this.reserve1.quotient,l)||e.greaterThanOrEqual(o.quotient,this.reserveOf(o.currency).quotient))throw new N;var i=this.reserveOf(o.currency),u=this.reserveOf(o.currency.equals(this.token0)?this.token1:this.token0),a=e.multiply(e.multiply(u.quotient,o.quotient),f),s=e.multiply(e.subtract(i.quotient,o.quotient),h),c=r.CurrencyAmount.fromRawAmount(o.currency.equals(this.token0)?this.token1:this.token0,e.add(e.divide(a,s),d));return[c,new t(u.add(c),i.subtract(o))]},o.getLiquidityMinted=function(t,o,i){t.currency.equals(this.liquidityToken)||n(!1);var u,a=o.currency.sortsBefore(i.currency)?[o,i]:[i,o];if(a[0].currency.equals(this.token0)&&a[1].currency.equals(this.token1)||n(!1),e.equal(t.quotient,l))u=e.subtract(r.sqrt(e.multiply(a[0].quotient,a[1].quotient)),p);else{var s=e.divide(e.multiply(a[0].quotient,t.quotient),this.reserve0.quotient),c=e.divide(e.multiply(a[1].quotient,t.quotient),this.reserve1.quotient);u=e.lessThanOrEqual(s,c)?s:c}if(!e.greaterThan(u,l))throw new R;return r.CurrencyAmount.fromRawAmount(this.liquidityToken,u)},o.getLiquidityValue=function(t,o,i,u,a){var s;if(void 0===u&&(u=!1),this.involvesToken(t)||n(!1),o.currency.equals(this.liquidityToken)||n(!1),i.currency.equals(this.liquidityToken)||n(!1),e.lessThanOrEqual(i.quotient,o.quotient)||n(!1),u){a||n(!1);var c=e.BigInt(a);if(e.equal(c,l))s=o;else{var p=r.sqrt(e.multiply(this.reserve0.quotient,this.reserve1.quotient)),d=r.sqrt(c);if(e.greaterThan(p,d)){var h=e.multiply(o.quotient,e.subtract(p,d)),f=e.add(e.multiply(p,m),d),y=e.divide(h,f);s=o.add(r.CurrencyAmount.fromRawAmount(this.liquidityToken,y))}else s=o}}else s=o;return r.CurrencyAmount.fromRawAmount(t,e.divide(e.multiply(i.quotient,this.reserveOf(t).quotient),s.quotient))},v(t,[{key:"token0Price",get:function(){var t=this.tokenAmounts[1].divide(this.tokenAmounts[0]);return new r.Price(this.token0,this.token1,t.denominator,t.numerator)}},{key:"token1Price",get:function(){var t=this.tokenAmounts[0].divide(this.tokenAmounts[1]);return new r.Price(this.token1,this.token0,t.denominator,t.numerator)}},{key:"chainId",get:function(){return this.token0.chainId}},{key:"token0",get:function(){return this.tokenAmounts[0].currency}},{key:"token1",get:function(){return this.tokenAmounts[1].currency}},{key:"reserve0",get:function(){return this.tokenAmounts[0]}},{key:"reserve1",get:function(){return this.tokenAmounts[1]}}]),t}(),F=function(){function t(t,e,o){this._midPrice=null,t.length>0||n(!1);var i=t[0].chainId;t.every((function(t){return t.chainId===i}))||n(!1);var u=r.wrappedCurrency(e,i);t[0].involvesToken(u)||n(!1),void 0===o||t[t.length-1].involvesToken(r.wrappedCurrency(o,i))||n(!1);for(var a,s=[u],c=O(t.entries());!(a=c()).done;){var p=a.value,l=p[1],d=s[p[0]];d.equals(l.token0)||d.equals(l.token1)||n(!1);var m=d.equals(l.token0)?l.token1:l.token0;s.push(m)}this.pairs=t,this.path=s,this.input=e,this.output=o}return v(t,[{key:"midPrice",get:function(){if(null!==this._midPrice)return this._midPrice;for(var t,e=[],n=O(this.pairs.entries());!(t=n()).done;){var o=t.value,i=o[1];e.push(this.path[o[0]].equals(i.token0)?new r.Price(i.reserve0.currency,i.reserve1.currency,i.reserve0.quotient,i.reserve1.quotient):new r.Price(i.reserve1.currency,i.reserve0.currency,i.reserve1.quotient,i.reserve0.quotient))}var u=e.slice(1).reduce((function(t,e){return t.multiply(e)}),e[0]);return this._midPrice=new r.Price(this.input,this.output,u.denominator,u.numerator)}},{key:"chainId",get:function(){return this.pairs[0].chainId}}]),t}();function D(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e}!function(t){t[t.MAINNET=1]="MAINNET",t[t.ROPSTEN=3]="ROPSTEN",t[t.RINKEBY=4]="RINKEBY",t[t["GÖRLI"]=5]="GÖRLI",t[t.KOVAN=42]="KOVAN"}(b||(b={})),function(t){t[t.EXACT_INPUT=0]="EXACT_INPUT",t[t.EXACT_OUTPUT=1]="EXACT_OUTPUT"}(P||(P={})),function(t){t[t.ROUND_DOWN=0]="ROUND_DOWN",t[t.ROUND_HALF_UP=1]="ROUND_HALF_UP",t[t.ROUND_UP=2]="ROUND_UP"}(x||(x={}));var S,B,H=function(t,e,r){t>=0&&t<255&&Number.isInteger(t)||n(!1),this.decimals=t,this.symbol=e,this.name=r},j=s(u),L=s(a),W=((S={})[x.ROUND_DOWN]=j.ROUND_DOWN,S[x.ROUND_HALF_UP]=j.ROUND_HALF_UP,S[x.ROUND_UP]=j.ROUND_UP,S),M=((B={})[x.ROUND_DOWN]=0,B[x.ROUND_HALF_UP]=1,B[x.ROUND_UP]=3,B),X=function(){function t(t,r){void 0===r&&(r=e.BigInt(1)),this.numerator=e.BigInt(t),this.denominator=e.BigInt(r)}t.tryParseFraction=function(r){if(r instanceof e||"number"==typeof r||"string"==typeof r)return new t(r);if("numerator"in r&&"denominator"in r)return r;throw new Error("Could not parse fraction")};var r,o=t.prototype;return o.invert=function(){return new t(this.denominator,this.numerator)},o.add=function(r){var n=t.tryParseFraction(r);return e.equal(this.denominator,n.denominator)?new t(e.add(this.numerator,n.numerator),this.denominator):new t(e.add(e.multiply(this.numerator,n.denominator),e.multiply(n.numerator,this.denominator)),e.multiply(this.denominator,n.denominator))},o.subtract=function(r){var n=t.tryParseFraction(r);return e.equal(this.denominator,n.denominator)?new t(e.subtract(this.numerator,n.numerator),this.denominator):new t(e.subtract(e.multiply(this.numerator,n.denominator),e.multiply(n.numerator,this.denominator)),e.multiply(this.denominator,n.denominator))},o.lessThan=function(r){var n=t.tryParseFraction(r);return e.lessThan(e.multiply(this.numerator,n.denominator),e.multiply(n.numerator,this.denominator))},o.equalTo=function(r){var n=t.tryParseFraction(r);return e.equal(e.multiply(this.numerator,n.denominator),e.multiply(n.numerator,this.denominator))},o.greaterThan=function(r){var n=t.tryParseFraction(r);return e.greaterThan(e.multiply(this.numerator,n.denominator),e.multiply(n.numerator,this.denominator))},o.multiply=function(r){var n=t.tryParseFraction(r);return new t(e.multiply(this.numerator,n.numerator),e.multiply(this.denominator,n.denominator))},o.divide=function(r){var n=t.tryParseFraction(r);return new t(e.multiply(this.numerator,n.denominator),e.multiply(this.denominator,n.numerator))},o.toSignificant=function(t,e,r){void 0===e&&(e={groupSeparator:""}),void 0===r&&(r=x.ROUND_HALF_UP),Number.isInteger(t)||n(!1),t>0||n(!1),j.set({precision:t+1,rounding:W[r]});var o=new j(this.numerator.toString()).div(this.denominator.toString()).toSignificantDigits(t);return o.toFormat(o.decimalPlaces(),e)},o.toFixed=function(t,e,r){return void 0===e&&(e={groupSeparator:""}),void 0===r&&(r=x.ROUND_HALF_UP),Number.isInteger(t)||n(!1),t>=0||n(!1),L.DP=t,L.RM=M[r],new L(this.numerator.toString()).div(this.denominator.toString()).toFormat(t,e)},(r=[{key:"quotient",get:function(){return e.divide(this.numerator,this.denominator)}},{key:"remainder",get:function(){return new t(e.remainder(this.numerator,this.denominator),this.denominator)}},{key:"asFraction",get:function(){return new t(this.numerator,this.denominator)}}])&&function(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}(t.prototype,r),t}(),K=new X(e.BigInt(100));function V(t){return new G(t.numerator,t.denominator)}var Y,G=function(t){function e(){var e;return(e=t.apply(this,arguments)||this).isPercent=!0,e}D(e,t);var r=e.prototype;return r.add=function(e){return V(t.prototype.add.call(this,e))},r.subtract=function(e){return V(t.prototype.subtract.call(this,e))},r.multiply=function(e){return V(t.prototype.multiply.call(this,e))},r.divide=function(e){return V(t.prototype.divide.call(this,e))},r.toSignificant=function(e,r,n){return void 0===e&&(e=5),t.prototype.multiply.call(this,K).toSignificant(e,r,n)},r.toFixed=function(e,r,n){return void 0===e&&(e=2),t.prototype.multiply.call(this,K).toFixed(e,r,n)},e}(X);function Q(t){try{return i.getAddress(t)}catch(e){throw new Error(t+" is not a valid address.")}}var $=function(t){function e(e,r,n,o,i){var u;return(u=t.call(this,n,o,i)||this).isEther=!1,u.isToken=!0,u.chainId=e,u.address=Q(r),u}D(e,t);var r=e.prototype;return r.equals=function(t){return this===t||this.chainId===t.chainId&&this.address===t.address},r.sortsBefore=function(t){return this.chainId!==t.chainId&&n(!1),this.address===t.address&&n(!1),this.address.toLowerCase()<t.address.toLowerCase()},e}(H);function z(t,e){return r.currencyEquals(t.inputAmount.currency,e.inputAmount.currency)||n(!1),r.currencyEquals(t.outputAmount.currency,e.outputAmount.currency)||n(!1),t.outputAmount.equalTo(e.outputAmount)?t.inputAmount.equalTo(e.inputAmount)?0:t.inputAmount.lessThan(e.inputAmount)?-1:1:t.outputAmount.lessThan(e.outputAmount)?1:-1}function J(t,e){var r=z(t,e);return 0!==r?r:t.priceImpact.lessThan(e.priceImpact)?-1:t.priceImpact.greaterThan(e.priceImpact)?1:t.route.path.length-e.route.path.length}(Y={})[b.MAINNET]=new $(b.MAINNET,"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",18,"WETH9","Wrapped Ether"),Y[b.ROPSTEN]=new $(b.ROPSTEN,"0xc778417E063141139Fce010982780140Aa0cD5Ab",18,"WETH9","Wrapped Ether"),Y[b.RINKEBY]=new $(b.RINKEBY,"0xc778417E063141139Fce010982780140Aa0cD5Ab",18,"WETH9","Wrapped Ether"),Y[b.GÖRLI]=new $(b.GÖRLI,"0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6",18,"WETH9","Wrapped Ether"),Y[b.KOVAN]=new $(b.KOVAN,"0xd0A1E359811322d97991E03f863a0C30C2cF029C",18,"WETH9","Wrapped Ether");var Z=function(){function t(t,e,o){this.route=t,this.tradeType=o;var i,u,a,s=new Array(t.path.length);if(o===r.TradeType.EXACT_INPUT){r.currencyEquals(e.currency,t.input)||n(!1),s[0]=r.wrappedCurrencyAmount(e,t.chainId);for(var c=0;c<t.path.length-1;c++){var p=t.pairs[c].getOutputAmount(s[c]);s[c+1]=p[0]}this.inputAmount=r.CurrencyAmount.fromFractionalAmount(t.input,e.numerator,e.denominator),this.outputAmount=r.CurrencyAmount.fromFractionalAmount(t.output,s[s.length-1].numerator,s[s.length-1].denominator)}else{r.currencyEquals(e.currency,t.output)||n(!1),s[s.length-1]=r.wrappedCurrencyAmount(e,t.chainId);for(var l=t.path.length-1;l>0;l--){var d=t.pairs[l-1].getInputAmount(s[l]);s[l-1]=d[0]}this.inputAmount=r.CurrencyAmount.fromFractionalAmount(t.input,s[0].numerator,s[0].denominator),this.outputAmount=r.CurrencyAmount.fromFractionalAmount(t.output,e.numerator,e.denominator)}this.executionPrice=new r.Price(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.quotient,this.outputAmount.quotient),this.priceImpact=(i=this.outputAmount,a=(u=t.midPrice.quote(this.inputAmount)).subtract(i).divide(u),new G(a.numerator,a.denominator))}t.exactIn=function(e,n){return new t(e,n,r.TradeType.EXACT_INPUT)},t.exactOut=function(e,n){return new t(e,n,r.TradeType.EXACT_OUTPUT)};var e=t.prototype;return e.minimumAmountOut=function(t){if(t.lessThan(l)&&n(!1),this.tradeType===r.TradeType.EXACT_OUTPUT)return this.outputAmount;var e=new r.Fraction(d).add(t).invert().multiply(this.outputAmount.quotient).quotient;return r.CurrencyAmount.fromRawAmount(this.outputAmount.currency,e)},e.maximumAmountIn=function(t){if(t.lessThan(l)&&n(!1),this.tradeType===r.TradeType.EXACT_INPUT)return this.inputAmount;var e=new r.Fraction(d).add(t).multiply(this.inputAmount.quotient).quotient;return r.CurrencyAmount.fromRawAmount(this.inputAmount.currency,e)},t.bestTradeExactIn=function(e,o,i,u,a,s,c){var p=void 0===u?{}:u,d=p.maxNumResults,m=void 0===d?3:d,h=p.maxHops,f=void 0===h?3:h;void 0===a&&(a=[]),void 0===s&&(s=o),void 0===c&&(c=[]),e.length>0||n(!1),f>0||n(!1),o===s||a.length>0||n(!1);var y=s.currency.isToken?s.currency.chainId:i.isToken?i.chainId:void 0;void 0===y&&n(!1);for(var v=r.wrappedCurrencyAmount(s,y),T=r.wrappedCurrency(i,y),A=0;A<e.length;A++){var q=e[A];if((r.currencyEquals(q.token0,v.currency)||r.currencyEquals(q.token1,v.currency))&&!q.reserve0.equalTo(l)&&!q.reserve1.equalTo(l)){var g=void 0;try{g=q.getOutputAmount(v)[0]}catch(t){if(t.isInsufficientInputAmountError)continue;throw t}if(r.currencyEquals(g.currency,T))r.sortedInsert(c,new t(new F([].concat(a,[q]),o.currency,i),o,r.TradeType.EXACT_INPUT),m,J);else if(f>1&&e.length>1){var k=e.slice(0,A).concat(e.slice(A+1,e.length));t.bestTradeExactIn(k,o,i,{maxNumResults:m,maxHops:f-1},[].concat(a,[q]),g,c)}}}return c},e.worstExecutionPrice=function(t){return new r.Price(this.inputAmount.currency,this.outputAmount.currency,this.maximumAmountIn(t).quotient,this.minimumAmountOut(t).quotient)},t.bestTradeExactOut=function(e,o,i,u,a,s,c){var p=void 0===u?{}:u,d=p.maxNumResults,m=void 0===d?3:d,h=p.maxHops,f=void 0===h?3:h;void 0===a&&(a=[]),void 0===s&&(s=i),void 0===c&&(c=[]),e.length>0||n(!1),f>0||n(!1),i===s||a.length>0||n(!1);var y=s.currency.isToken?s.currency.chainId:o.isToken?o.chainId:void 0;void 0===y&&n(!1);for(var v=r.wrappedCurrencyAmount(s,y),T=r.wrappedCurrency(o,y),A=0;A<e.length;A++){var q=e[A];if((r.currencyEquals(q.token0,v.currency)||r.currencyEquals(q.token1,v.currency))&&!q.reserve0.equalTo(l)&&!q.reserve1.equalTo(l)){var g=void 0;try{g=q.getInputAmount(v)[0]}catch(t){if(t.isInsufficientReservesError)continue;throw t}if(r.currencyEquals(g.currency,T))r.sortedInsert(c,new t(new F([q].concat(a),o,i.currency),i,r.TradeType.EXACT_OUTPUT),m,J);else if(f>1&&e.length>1){var k=e.slice(0,A).concat(e.slice(A+1,e.length));t.bestTradeExactOut(k,o,i,{maxNumResults:m,maxHops:f-1},[q].concat(a),g,c)}}}return c},t}();function tt(t){return"0x"+t.quotient.toString(16)}var et=function(){function t(){}return t.swapCallParameters=function(t,e){var o=t.inputAmount.currency.isEther,i=t.outputAmount.currency.isEther;o&&i&&n(!1),!("ttl"in e)||e.ttl>0||n(!1);var u,a,s,c=r.validateAndParseAddress(e.recipient),p=tt(t.maximumAmountIn(e.allowedSlippage)),l=tt(t.minimumAmountOut(e.allowedSlippage)),d=t.route.path.map((function(t){return t.address})),m="ttl"in e?"0x"+(Math.floor((new Date).getTime()/1e3)+e.ttl).toString(16):"0x"+e.deadline.toString(16),h=Boolean(e.feeOnTransfer);switch(t.tradeType){case r.TradeType.EXACT_INPUT:o?(u=h?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",a=[l,d,c,m],s=p):i?(u=h?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",a=[p,l,d,c,m],s="0x0"):(u=h?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",a=[p,l,d,c,m],s="0x0");break;case r.TradeType.EXACT_OUTPUT:h&&n(!1),o?(u="swapETHForExactTokens",a=[l,d,c,m],s=p):i?(u="swapTokensForExactETH",a=[l,p,d,c,m],s="0x0"):(u="swapTokensForExactTokens",a=[l,p,d,c,m],s="0x0")}return{methodName:u,args:a,value:s}},t}();exports.FACTORY_ADDRESS="0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",exports.INIT_CODE_HASH=c,exports.InsufficientInputAmountError=R,exports.InsufficientReservesError=N,exports.MINIMUM_LIQUIDITY=p,exports.Pair=U,exports.Route=F,exports.Router=et,exports.Trade=Z,exports.computePairAddress=C,exports.inputOutputComparator=z,exports.tradeComparator=J;
//# sourceMappingURL=v2-sdk.cjs.production.min.js.map

566

dist/v2-sdk.esm.js
import JSBI from 'jsbi';
export { default as JSBI } from 'jsbi';
import { CurrencyAmount, sqrt, Token, Price, ETHER, WETH9, currencyEquals, TradeType, Fraction, Percent, sortedInsert, validateAndParseAddress } from '@uniswap/sdk-core';
import { CurrencyAmount, sqrt, Token as Token$1, Price, wrappedCurrency, currencyEquals, TradeType as TradeType$1, Fraction as Fraction$1, wrappedCurrencyAmount, sortedInsert, validateAndParseAddress as validateAndParseAddress$1 } from '@uniswap/sdk-core';
import invariant from 'tiny-invariant';
import { keccak256, pack } from '@ethersproject/solidity';
import { getCreate2Address } from '@ethersproject/address';
import { getCreate2Address, getAddress } from '@ethersproject/address';
import _Decimal from 'decimal.js-light';
import _Big from 'big.js';
import toFormat from 'toformat';

@@ -231,7 +233,5 @@ var FACTORY_ADDRESS = '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f';

function Pair(currencyAmountA, tokenAmountB) {
!(currencyAmountA.currency.isToken && tokenAmountB.currency.isToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
var tokenAmounts = currencyAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
? [currencyAmountA, tokenAmountB] : [tokenAmountB, currencyAmountA];
!(tokenAmounts[0].currency.isToken && tokenAmounts[1].currency.isToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
this.liquidityToken = new Token(tokenAmounts[0].currency.chainId, Pair.getAddress(tokenAmounts[0].currency, tokenAmounts[1].currency), 18, 'UNI-V2', 'Uniswap V2');
this.liquidityToken = new Token$1(tokenAmounts[0].currency.chainId, Pair.getAddress(tokenAmounts[0].currency, tokenAmounts[1].currency), 18, 'UNI-V2', 'Uniswap V2');
this.tokenAmounts = tokenAmounts;

@@ -282,5 +282,5 @@ }

_proto.getOutputAmount = function getOutputAmount(inputAmount) {
!(inputAmount.currency.isToken && this.involvesToken(inputAmount.currency)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
!this.involvesToken(inputAmount.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO)) {
if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO)) {
throw new InsufficientReservesError();

@@ -291,8 +291,8 @@ }

var outputReserve = this.reserveOf(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0);
var inputAmountWithFee = JSBI.multiply(inputAmount.raw, _997);
var numerator = JSBI.multiply(inputAmountWithFee, outputReserve.raw);
var denominator = JSBI.add(JSBI.multiply(inputReserve.raw, _1000), inputAmountWithFee);
var outputAmount = new CurrencyAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator));
var inputAmountWithFee = JSBI.multiply(inputAmount.quotient, _997);
var numerator = JSBI.multiply(inputAmountWithFee, outputReserve.quotient);
var denominator = JSBI.add(JSBI.multiply(inputReserve.quotient, _1000), inputAmountWithFee);
var outputAmount = CurrencyAmount.fromRawAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator));
if (JSBI.equal(outputAmount.raw, ZERO)) {
if (JSBI.equal(outputAmount.quotient, ZERO)) {
throw new InsufficientInputAmountError();

@@ -305,5 +305,5 @@ }

_proto.getInputAmount = function getInputAmount(outputAmount) {
!(outputAmount.currency.isToken && this.involvesToken(outputAmount.currency)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
!this.involvesToken(outputAmount.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
if (JSBI.equal(this.reserve0.raw, ZERO) || JSBI.equal(this.reserve1.raw, ZERO) || JSBI.greaterThanOrEqual(outputAmount.raw, this.reserveOf(outputAmount.currency).raw)) {
if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient)) {
throw new InsufficientReservesError();

@@ -314,5 +314,5 @@ }

var inputReserve = this.reserveOf(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0);
var numerator = JSBI.multiply(JSBI.multiply(inputReserve.raw, outputAmount.raw), _1000);
var denominator = JSBI.multiply(JSBI.subtract(outputReserve.raw, outputAmount.raw), _997);
var inputAmount = new CurrencyAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE));
var numerator = JSBI.multiply(JSBI.multiply(inputReserve.quotient, outputAmount.quotient), _1000);
var denominator = JSBI.multiply(JSBI.subtract(outputReserve.quotient, outputAmount.quotient), _997);
var inputAmount = CurrencyAmount.fromRawAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE));
return [inputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))];

@@ -322,14 +322,13 @@ };

_proto.getLiquidityMinted = function getLiquidityMinted(totalSupply, tokenAmountA, tokenAmountB) {
!(totalSupply.currency.isToken && totalSupply.currency.equals(this.liquidityToken)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
var tokenAmounts = tokenAmountA.currency.isToken && tokenAmountB.currency.isToken && tokenAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
!totalSupply.currency.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
var tokenAmounts = tokenAmountA.currency.sortsBefore(tokenAmountB.currency) // does safety checks
? [tokenAmountA, tokenAmountB] : [tokenAmountB, tokenAmountA];
!(tokenAmounts[0].currency.isToken && tokenAmounts[1].currency.isToken) ? process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
!(tokenAmounts[0].currency.equals(this.token0) && tokenAmounts[1].currency.equals(this.token1)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
var liquidity;
if (JSBI.equal(totalSupply.raw, ZERO)) {
liquidity = JSBI.subtract(sqrt(JSBI.multiply(tokenAmounts[0].raw, tokenAmounts[1].raw)), MINIMUM_LIQUIDITY);
if (JSBI.equal(totalSupply.quotient, ZERO)) {
liquidity = JSBI.subtract(sqrt(JSBI.multiply(tokenAmounts[0].quotient, tokenAmounts[1].quotient)), MINIMUM_LIQUIDITY);
} else {
var amount0 = JSBI.divide(JSBI.multiply(tokenAmounts[0].raw, totalSupply.raw), this.reserve0.raw);
var amount1 = JSBI.divide(JSBI.multiply(tokenAmounts[1].raw, totalSupply.raw), this.reserve1.raw);
var amount0 = JSBI.divide(JSBI.multiply(tokenAmounts[0].quotient, totalSupply.quotient), this.reserve0.quotient);
var amount1 = JSBI.divide(JSBI.multiply(tokenAmounts[1].quotient, totalSupply.quotient), this.reserve1.quotient);
liquidity = JSBI.lessThanOrEqual(amount0, amount1) ? amount0 : amount1;

@@ -342,3 +341,3 @@ }

return new CurrencyAmount(this.liquidityToken, liquidity);
return CurrencyAmount.fromRawAmount(this.liquidityToken, liquidity);
};

@@ -352,5 +351,5 @@

!this.involvesToken(token) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0;
!(totalSupply.currency.isToken && totalSupply.currency.equals(this.liquidityToken)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOTAL_SUPPLY') : invariant(false) : void 0;
!(liquidity.currency.isToken && liquidity.currency.equals(this.liquidityToken)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
!JSBI.lessThanOrEqual(liquidity.raw, totalSupply.raw) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
!totalSupply.currency.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOTAL_SUPPLY') : invariant(false) : void 0;
!liquidity.currency.equals(this.liquidityToken) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
!JSBI.lessThanOrEqual(liquidity.quotient, totalSupply.quotient) ? process.env.NODE_ENV !== "production" ? invariant(false, 'LIQUIDITY') : invariant(false) : void 0;
var totalSupplyAdjusted;

@@ -365,10 +364,10 @@

if (!JSBI.equal(kLastParsed, ZERO)) {
var rootK = sqrt(JSBI.multiply(this.reserve0.raw, this.reserve1.raw));
var rootK = sqrt(JSBI.multiply(this.reserve0.quotient, this.reserve1.quotient));
var rootKLast = sqrt(kLastParsed);
if (JSBI.greaterThan(rootK, rootKLast)) {
var numerator = JSBI.multiply(totalSupply.raw, JSBI.subtract(rootK, rootKLast));
var numerator = JSBI.multiply(totalSupply.quotient, JSBI.subtract(rootK, rootKLast));
var denominator = JSBI.add(JSBI.multiply(rootK, FIVE), rootKLast);
var feeLiquidity = JSBI.divide(numerator, denominator);
totalSupplyAdjusted = totalSupply.add(new CurrencyAmount(this.liquidityToken, feeLiquidity));
totalSupplyAdjusted = totalSupply.add(CurrencyAmount.fromRawAmount(this.liquidityToken, feeLiquidity));
} else {

@@ -382,3 +381,3 @@ totalSupplyAdjusted = totalSupply;

return new CurrencyAmount(token, JSBI.divide(JSBI.multiply(liquidity.raw, this.reserveOf(token).raw), totalSupplyAdjusted.raw));
return CurrencyAmount.fromRawAmount(token, JSBI.divide(JSBI.multiply(liquidity.quotient, this.reserveOf(token).quotient), totalSupplyAdjusted.quotient));
};

@@ -389,3 +388,4 @@

get: function get() {
return new Price(this.token0, this.token1, this.tokenAmounts[0].raw, this.tokenAmounts[1].raw);
var result = this.tokenAmounts[1].divide(this.tokenAmounts[0]);
return new Price(this.token0, this.token1, result.denominator, result.numerator);
}

@@ -399,3 +399,4 @@ /**

get: function get() {
return new Price(this.token1, this.token0, this.tokenAmounts[1].raw, this.tokenAmounts[0].raw);
var result = this.tokenAmounts[0].divide(this.tokenAmounts[1]);
return new Price(this.token1, this.token0, result.denominator, result.numerator);
}

@@ -410,3 +411,2 @@ }, {

get: function get() {
!this.tokenAmounts[0].currency.isToken ? process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
return this.tokenAmounts[0].currency;

@@ -417,3 +417,2 @@ }

get: function get() {
!this.tokenAmounts[1].currency.isToken ? process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
return this.tokenAmounts[1].currency;

@@ -438,2 +437,3 @@ }

function Route(pairs, input, output) {
this._midPrice = null;
!(pairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'PAIRS') : invariant(false) : void 0;

@@ -444,6 +444,6 @@ var chainId = pairs[0].chainId;

}) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_IDS') : invariant(false) : void 0;
var weth = WETH9[chainId];
!(input.isToken && pairs[0].involvesToken(input) || input === ETHER && weth && pairs[0].involvesToken(weth)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT') : invariant(false) : void 0;
!(typeof output === 'undefined' || output.isToken && pairs[pairs.length - 1].involvesToken(output) || output === ETHER && weth && pairs[pairs.length - 1].involvesToken(weth)) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT') : invariant(false) : void 0;
var path = [input.isToken ? input : weth];
var wrappedInput = wrappedCurrency(input, chainId);
!pairs[0].involvesToken(wrappedInput) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT') : invariant(false) : void 0;
!(typeof output === 'undefined' || pairs[pairs.length - 1].involvesToken(wrappedCurrency(output, chainId))) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT') : invariant(false) : void 0;
var path = [wrappedInput];

@@ -465,3 +465,3 @@ for (var _iterator = _createForOfIteratorHelperLoose(pairs.entries()), _step; !(_step = _iterator()).done;) {

this.input = input;
this.output = output != null ? output : path[path.length - 1];
this.output = output;
}

@@ -472,2 +472,3 @@

get: function get() {
if (this._midPrice !== null) return this._midPrice;
var prices = [];

@@ -479,8 +480,9 @@

pair = _step2$value[1];
prices.push(this.path[i].equals(pair.token0) ? new Price(pair.reserve0.currency, pair.reserve1.currency, pair.reserve0.raw, pair.reserve1.raw) : new Price(pair.reserve1.currency, pair.reserve0.currency, pair.reserve1.raw, pair.reserve0.raw));
prices.push(this.path[i].equals(pair.token0) ? new Price(pair.reserve0.currency, pair.reserve1.currency, pair.reserve0.quotient, pair.reserve1.quotient) : new Price(pair.reserve1.currency, pair.reserve0.currency, pair.reserve1.quotient, pair.reserve0.quotient));
}
return prices.slice(1).reduce(function (accumulator, currentValue) {
var reduced = prices.slice(1).reduce(function (accumulator, currentValue) {
return accumulator.multiply(currentValue);
}, prices[0]);
return this._midPrice = new Price(this.input, this.output, reduced.denominator, reduced.numerator);
}

@@ -497,3 +499,337 @@ }, {

var ChainId;
(function (ChainId) {
ChainId[ChainId["MAINNET"] = 1] = "MAINNET";
ChainId[ChainId["ROPSTEN"] = 3] = "ROPSTEN";
ChainId[ChainId["RINKEBY"] = 4] = "RINKEBY";
ChainId[ChainId["G\xD6RLI"] = 5] = "G\xD6RLI";
ChainId[ChainId["KOVAN"] = 42] = "KOVAN";
})(ChainId || (ChainId = {}));
var TradeType;
(function (TradeType) {
TradeType[TradeType["EXACT_INPUT"] = 0] = "EXACT_INPUT";
TradeType[TradeType["EXACT_OUTPUT"] = 1] = "EXACT_OUTPUT";
})(TradeType || (TradeType = {}));
var Rounding;
(function (Rounding) {
Rounding[Rounding["ROUND_DOWN"] = 0] = "ROUND_DOWN";
Rounding[Rounding["ROUND_HALF_UP"] = 1] = "ROUND_HALF_UP";
Rounding[Rounding["ROUND_UP"] = 2] = "ROUND_UP";
})(Rounding || (Rounding = {}));
function _defineProperties$1(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass$1(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties$1(Constructor.prototype, protoProps);
if (staticProps) _defineProperties$1(Constructor, staticProps);
return Constructor;
}
function _inheritsLoose$1(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
subClass.__proto__ = superClass;
}
/**
* A currency is any fungible financial instrument on Ethereum, including Ether and all ERC20 tokens.
*
* The only instance of the base class `Currency` is Ether.
*/
var BaseCurrency =
/**
* Constructs an instance of the base class `Currency`. The only instance of the base class `Currency` is `Currency.ETHER`.
* @param decimals decimals of the currency
* @param symbol symbol of the currency
* @param name of the currency
*/
function BaseCurrency(decimals, symbol, name) {
!(decimals >= 0 && decimals < 255 && Number.isInteger(decimals)) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, 'DECIMALS') : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
this.decimals = decimals;
this.symbol = symbol;
this.name = name;
};
var _toSignificantRoundin, _toFixedRounding;
var Decimal = /*#__PURE__*/toFormat(_Decimal);
var Big = /*#__PURE__*/toFormat(_Big);
var toSignificantRounding = (_toSignificantRoundin = {}, _toSignificantRoundin[Rounding.ROUND_DOWN] = Decimal.ROUND_DOWN, _toSignificantRoundin[Rounding.ROUND_HALF_UP] = Decimal.ROUND_HALF_UP, _toSignificantRoundin[Rounding.ROUND_UP] = Decimal.ROUND_UP, _toSignificantRoundin);
var toFixedRounding = (_toFixedRounding = {}, _toFixedRounding[Rounding.ROUND_DOWN] = 0, _toFixedRounding[Rounding.ROUND_HALF_UP] = 1, _toFixedRounding[Rounding.ROUND_UP] = 3, _toFixedRounding);
var Fraction = /*#__PURE__*/function () {
function Fraction(numerator, denominator) {
if (denominator === void 0) {
denominator = JSBI.BigInt(1);
}
this.numerator = JSBI.BigInt(numerator);
this.denominator = JSBI.BigInt(denominator);
}
Fraction.tryParseFraction = function tryParseFraction(fractionish) {
if (fractionish instanceof JSBI || typeof fractionish === 'number' || typeof fractionish === 'string') return new Fraction(fractionish);
if ('numerator' in fractionish && 'denominator' in fractionish) return fractionish;
throw new Error('Could not parse fraction');
} // performs floor division
;
var _proto = Fraction.prototype;
_proto.invert = function invert() {
return new Fraction(this.denominator, this.numerator);
};
_proto.add = function add(other) {
var otherParsed = Fraction.tryParseFraction(other);
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.add(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.add(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.subtract = function subtract(other) {
var otherParsed = Fraction.tryParseFraction(other);
if (JSBI.equal(this.denominator, otherParsed.denominator)) {
return new Fraction(JSBI.subtract(this.numerator, otherParsed.numerator), this.denominator);
}
return new Fraction(JSBI.subtract(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator)), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.lessThan = function lessThan(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.lessThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.equalTo = function equalTo(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.equal(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.greaterThan = function greaterThan(other) {
var otherParsed = Fraction.tryParseFraction(other);
return JSBI.greaterThan(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(otherParsed.numerator, this.denominator));
};
_proto.multiply = function multiply(other) {
var otherParsed = Fraction.tryParseFraction(other);
return new Fraction(JSBI.multiply(this.numerator, otherParsed.numerator), JSBI.multiply(this.denominator, otherParsed.denominator));
};
_proto.divide = function divide(other) {
var otherParsed = Fraction.tryParseFraction(other);
return new Fraction(JSBI.multiply(this.numerator, otherParsed.denominator), JSBI.multiply(this.denominator, otherParsed.numerator));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(significantDigits) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, significantDigits + " is not an integer.") : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
!(significantDigits > 0) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, significantDigits + " is not positive.") : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
Decimal.set({
precision: significantDigits + 1,
rounding: toSignificantRounding[rounding]
});
var quotient = new Decimal(this.numerator.toString()).div(this.denominator.toString()).toSignificantDigits(significantDigits);
return quotient.toFormat(quotient.decimalPlaces(), format);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (format === void 0) {
format = {
groupSeparator: ''
};
}
if (rounding === void 0) {
rounding = Rounding.ROUND_HALF_UP;
}
!Number.isInteger(decimalPlaces) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, decimalPlaces + " is not an integer.") : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
!(decimalPlaces >= 0) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, decimalPlaces + " is negative.") : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
Big.DP = decimalPlaces;
Big.RM = toFixedRounding[rounding];
return new Big(this.numerator.toString()).div(this.denominator.toString()).toFormat(decimalPlaces, format);
}
/**
* Helper method for converting any super class back to a fraction
*/
;
_createClass$1(Fraction, [{
key: "quotient",
get: function get() {
return JSBI.divide(this.numerator, this.denominator);
} // remainder after floor division
}, {
key: "remainder",
get: function get() {
return new Fraction(JSBI.remainder(this.numerator, this.denominator), this.denominator);
}
}, {
key: "asFraction",
get: function get() {
return new Fraction(this.numerator, this.denominator);
}
}]);
return Fraction;
}();
var ONE_HUNDRED = /*#__PURE__*/new Fraction( /*#__PURE__*/JSBI.BigInt(100));
/**
* Converts a fraction to a percent
* @param fraction the fraction to convert
*/
function toPercent(fraction) {
return new Percent(fraction.numerator, fraction.denominator);
}
var Percent = /*#__PURE__*/function (_Fraction) {
_inheritsLoose$1(Percent, _Fraction);
function Percent() {
var _this;
_this = _Fraction.apply(this, arguments) || this;
/**
* This boolean prevents a fraction from being interpreted as a Percent
*/
_this.isPercent = true;
return _this;
}
var _proto = Percent.prototype;
_proto.add = function add(other) {
return toPercent(_Fraction.prototype.add.call(this, other));
};
_proto.subtract = function subtract(other) {
return toPercent(_Fraction.prototype.subtract.call(this, other));
};
_proto.multiply = function multiply(other) {
return toPercent(_Fraction.prototype.multiply.call(this, other));
};
_proto.divide = function divide(other) {
return toPercent(_Fraction.prototype.divide.call(this, other));
};
_proto.toSignificant = function toSignificant(significantDigits, format, rounding) {
if (significantDigits === void 0) {
significantDigits = 5;
}
return _Fraction.prototype.multiply.call(this, ONE_HUNDRED).toSignificant(significantDigits, format, rounding);
};
_proto.toFixed = function toFixed(decimalPlaces, format, rounding) {
if (decimalPlaces === void 0) {
decimalPlaces = 2;
}
return _Fraction.prototype.multiply.call(this, ONE_HUNDRED).toFixed(decimalPlaces, format, rounding);
};
return Percent;
}(Fraction);
/**
* Validates an address and returns the parsed (checksummed) version of that address
* @param address the unchecksummed hex address
*/
function validateAndParseAddress(address) {
try {
return getAddress(address);
} catch (error) {
throw new Error(address + " is not a valid address.");
}
}
var _WETH;
/**
* Represents an ERC20 token with a unique address and some metadata.
*/
var Token = /*#__PURE__*/function (_BaseCurrency) {
_inheritsLoose$1(Token, _BaseCurrency);
function Token(chainId, address, decimals, symbol, name) {
var _this;
_this = _BaseCurrency.call(this, decimals, symbol, name) || this;
_this.isEther = false;
_this.isToken = true;
_this.chainId = chainId;
_this.address = validateAndParseAddress(address);
return _this;
}
/**
* Returns true if the two tokens are equivalent, i.e. have the same chainId and address.
* @param other other token to compare
*/
var _proto = Token.prototype;
_proto.equals = function equals(other) {
// short circuit on reference equality
if (this === other) {
return true;
}
return this.chainId === other.chainId && this.address === other.address;
}
/**
* Returns true if the address of this token sorts before the address of the other token
* @param other other token to compare
* @throws if the tokens have the same address
* @throws if the tokens are on different chains
*/
;
_proto.sortsBefore = function sortsBefore(other) {
!(this.chainId === other.chainId) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_IDS') : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
!(this.address !== other.address) ? process.env.NODE_ENV !== "production" ? process.env.NODE_ENV !== "production" ? invariant(false, 'ADDRESSES') : invariant(false) : process.env.NODE_ENV !== "production" ? invariant(false) : invariant(false) : void 0;
return this.address.toLowerCase() < other.address.toLowerCase();
};
return Token;
}(BaseCurrency);
var WETH9 = (_WETH = {}, _WETH[ChainId.MAINNET] = /*#__PURE__*/new Token(ChainId.MAINNET, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.ROPSTEN] = /*#__PURE__*/new Token(ChainId.ROPSTEN, '0xc778417E063141139Fce010982780140Aa0cD5Ab', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.RINKEBY] = /*#__PURE__*/new Token(ChainId.RINKEBY, '0xc778417E063141139Fce010982780140Aa0cD5Ab', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.GÖRLI] = /*#__PURE__*/new Token(ChainId.GÖRLI, '0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6', 18, 'WETH9', 'Wrapped Ether'), _WETH[ChainId.KOVAN] = /*#__PURE__*/new Token(ChainId.KOVAN, '0xd0A1E359811322d97991E03f863a0C30C2cF029C', 18, 'WETH9', 'Wrapped Ether'), _WETH);
/**
* Returns the percent difference between the mid price and the execution price, i.e. price impact.

@@ -506,10 +842,10 @@ * @param midPrice mid price before the trade

function computePriceImpact(midPrice, inputAmount, outputAmount) {
var exactQuote = midPrice.raw.multiply(inputAmount.raw); // calculate slippage := (exactQuote - outputAmount) / exactQuote
var quotedOutputAmount = midPrice.quote(inputAmount); // calculate price impact := (exactQuote - outputAmount) / exactQuote
var slippage = exactQuote.subtract(outputAmount.raw).divide(exactQuote);
return new Percent(slippage.numerator, slippage.denominator);
} // comparator function that allows sorting trades by their output amounts, in decreasing order, and then input amounts
var priceImpact = quotedOutputAmount.subtract(outputAmount).divide(quotedOutputAmount);
return new Percent(priceImpact.numerator, priceImpact.denominator);
} // `maxSize` by removing the last item
// in increasing order. i.e. the best trades have the most outputs for the least inputs and are sorted first
function inputOutputComparator(a, b) {

@@ -559,19 +895,2 @@ // must have same input and output token for comparison

/**
* Given a currency amount and a chain ID, returns the equivalent representation as the token amount.
* In other words, if the currency is ETHER, returns the WETH9 token amount for the given chain. Otherwise, returns
* the input currency amount.
*/
function wrappedAmount(currencyAmount, chainId) {
if (currencyAmount.currency.isToken) return currencyAmount;
if (currencyAmount.currency.isEther) return new CurrencyAmount(WETH9[chainId], currencyAmount.raw);
throw new Error('CURRENCY');
}
function wrappedCurrency(currency, chainId) {
if (currency.isToken) return currency;
if (currency === ETHER) return WETH9[chainId];
throw new Error('CURRENCY');
}
/**
* Represents a trade executed against a list of pairs.

@@ -581,11 +900,11 @@ * Does not account for slippage, i.e. trades that front run this trade and move the price.

var Trade = /*#__PURE__*/function () {
function Trade(route, amount, tradeType) {
var amounts = new Array(route.path.length);
var nextPairs = new Array(route.pairs.length);
this.route = route;
this.tradeType = tradeType;
var tokenAmounts = new Array(route.path.length);
if (tradeType === TradeType.EXACT_INPUT) {
if (tradeType === TradeType$1.EXACT_INPUT) {
!currencyEquals(amount.currency, route.input) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INPUT') : invariant(false) : void 0;
amounts[0] = wrappedAmount(amount, route.chainId);
tokenAmounts[0] = wrappedCurrencyAmount(amount, route.chainId);

@@ -595,12 +914,13 @@ for (var i = 0; i < route.path.length - 1; i++) {

var _pair$getOutputAmount = pair.getOutputAmount(amounts[i]),
outputAmount = _pair$getOutputAmount[0],
nextPair = _pair$getOutputAmount[1];
var _pair$getOutputAmount = pair.getOutputAmount(tokenAmounts[i]),
outputAmount = _pair$getOutputAmount[0];
amounts[i + 1] = outputAmount;
nextPairs[i] = nextPair;
tokenAmounts[i + 1] = outputAmount;
}
this.inputAmount = CurrencyAmount.fromFractionalAmount(route.input, amount.numerator, amount.denominator);
this.outputAmount = CurrencyAmount.fromFractionalAmount(route.output, tokenAmounts[tokenAmounts.length - 1].numerator, tokenAmounts[tokenAmounts.length - 1].denominator);
} else {
!currencyEquals(amount.currency, route.output) ? process.env.NODE_ENV !== "production" ? invariant(false, 'OUTPUT') : invariant(false) : void 0;
amounts[amounts.length - 1] = wrappedAmount(amount, route.chainId);
tokenAmounts[tokenAmounts.length - 1] = wrappedCurrencyAmount(amount, route.chainId);

@@ -610,17 +930,13 @@ for (var _i = route.path.length - 1; _i > 0; _i--) {

var _pair$getInputAmount = _pair.getInputAmount(amounts[_i]),
inputAmount = _pair$getInputAmount[0],
_nextPair = _pair$getInputAmount[1];
var _pair$getInputAmount = _pair.getInputAmount(tokenAmounts[_i]),
inputAmount = _pair$getInputAmount[0];
amounts[_i - 1] = inputAmount;
nextPairs[_i - 1] = _nextPair;
tokenAmounts[_i - 1] = inputAmount;
}
this.inputAmount = CurrencyAmount.fromFractionalAmount(route.input, tokenAmounts[0].numerator, tokenAmounts[0].denominator);
this.outputAmount = CurrencyAmount.fromFractionalAmount(route.output, amount.numerator, amount.denominator);
}
this.route = route;
this.tradeType = tradeType;
this.inputAmount = tradeType === TradeType.EXACT_INPUT ? amount : route.input === ETHER ? CurrencyAmount.ether(amounts[0].raw) : amounts[0];
this.outputAmount = tradeType === TradeType.EXACT_OUTPUT ? amount : route.output === ETHER ? CurrencyAmount.ether(amounts[amounts.length - 1].raw) : amounts[amounts.length - 1];
this.executionPrice = new Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.raw, this.outputAmount.raw);
this.nextMidPrice = new Route(nextPairs, route.input).midPrice;
this.executionPrice = new Price(this.inputAmount.currency, this.outputAmount.currency, this.inputAmount.quotient, this.outputAmount.quotient);
this.priceImpact = computePriceImpact(route.midPrice, this.inputAmount, this.outputAmount);

@@ -636,3 +952,3 @@ }

Trade.exactIn = function exactIn(route, amountIn) {
return new Trade(route, amountIn, TradeType.EXACT_INPUT);
return new Trade(route, amountIn, TradeType$1.EXACT_INPUT);
}

@@ -647,3 +963,3 @@ /**

Trade.exactOut = function exactOut(route, amountOut) {
return new Trade(route, amountOut, TradeType.EXACT_OUTPUT);
return new Trade(route, amountOut, TradeType$1.EXACT_OUTPUT);
}

@@ -661,7 +977,7 @@ /**

if (this.tradeType === TradeType.EXACT_OUTPUT) {
if (this.tradeType === TradeType$1.EXACT_OUTPUT) {
return this.outputAmount;
} else {
var slippageAdjustedAmountOut = new Fraction(ONE).add(slippageTolerance).invert().multiply(this.outputAmount.raw).quotient;
return new CurrencyAmount(this.outputAmount.currency, slippageAdjustedAmountOut);
var slippageAdjustedAmountOut = new Fraction$1(ONE).add(slippageTolerance).invert().multiply(this.outputAmount.quotient).quotient;
return CurrencyAmount.fromRawAmount(this.outputAmount.currency, slippageAdjustedAmountOut);
}

@@ -678,7 +994,7 @@ }

if (this.tradeType === TradeType.EXACT_INPUT) {
if (this.tradeType === TradeType$1.EXACT_INPUT) {
return this.inputAmount;
} else {
var slippageAdjustedAmountIn = new Fraction(ONE).add(slippageTolerance).multiply(this.inputAmount.raw).quotient;
return new CurrencyAmount(this.inputAmount.currency, slippageAdjustedAmountIn);
var slippageAdjustedAmountIn = new Fraction$1(ONE).add(slippageTolerance).multiply(this.inputAmount.quotient).quotient;
return CurrencyAmount.fromRawAmount(this.inputAmount.currency, slippageAdjustedAmountIn);
}

@@ -692,3 +1008,3 @@ }

* @param pairs the pairs to consider in finding the best trade
* @param currencyAmountIn exact amount of input currency to spend
* @param nextAmountIn exact amount of input currency to spend
* @param currencyOut the desired currency out

@@ -698,3 +1014,3 @@ * @param maxNumResults maximum number of results to return

* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param currencyAmountIn used in recursion; the original value of the currencyAmountIn parameter
* @param bestTrades used in recursion; the current list of best trades

@@ -705,3 +1021,3 @@ */

Trade.bestTradeExactIn = function bestTradeExactIn(pairs, currencyAmountIn, currencyOut, _temp, // used in recursion.
currentPairs, originalAmountIn, bestTrades) {
currentPairs, nextAmountIn, bestTrades) {
var _ref = _temp === void 0 ? {} : _temp,

@@ -717,4 +1033,4 @@ _ref$maxNumResults = _ref.maxNumResults,

if (originalAmountIn === void 0) {
originalAmountIn = currencyAmountIn;
if (nextAmountIn === void 0) {
nextAmountIn = currencyAmountIn;
}

@@ -728,6 +1044,6 @@

!(maxHops > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'MAX_HOPS') : invariant(false) : void 0;
!(originalAmountIn === currencyAmountIn || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = currencyAmountIn.currency.isToken ? currencyAmountIn.currency.chainId : currencyOut.isToken ? currencyOut.chainId : undefined;
!(currencyAmountIn === nextAmountIn || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = nextAmountIn.currency.isToken ? nextAmountIn.currency.chainId : currencyOut.isToken ? currencyOut.chainId : undefined;
!(chainId !== undefined) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_ID') : invariant(false) : void 0;
var amountIn = wrappedAmount(currencyAmountIn, chainId);
var amountIn = wrappedCurrencyAmount(nextAmountIn, chainId);
var tokenOut = wrappedCurrency(currencyOut, chainId);

@@ -759,10 +1075,10 @@

if (currencyEquals(amountOut.currency, tokenOut)) {
sortedInsert(bestTrades, new Trade(new Route([].concat(currentPairs, [pair]), originalAmountIn.currency, currencyOut), originalAmountIn, TradeType.EXACT_INPUT), maxNumResults, tradeComparator);
sortedInsert(bestTrades, new Trade(new Route([].concat(currentPairs, [pair]), currencyAmountIn.currency, currencyOut), currencyAmountIn, TradeType$1.EXACT_INPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that lead from this token as long as we have not exceeded maxHops
Trade.bestTradeExactIn(pairsExcludingThisPair, amountOut, currencyOut, {
Trade.bestTradeExactIn(pairsExcludingThisPair, currencyAmountIn, currencyOut, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [].concat(currentPairs, [pair]), originalAmountIn, bestTrades);
}, [].concat(currentPairs, [pair]), amountOut, bestTrades);
}

@@ -780,3 +1096,3 @@ }

_proto.worstExecutionPrice = function worstExecutionPrice(slippageTolerance) {
return new Price(this.inputAmount.currency, this.outputAmount.currency, this.maximumAmountIn(slippageTolerance).raw, this.minimumAmountOut(slippageTolerance).raw);
return new Price(this.inputAmount.currency, this.outputAmount.currency, this.maximumAmountIn(slippageTolerance).quotient, this.minimumAmountOut(slippageTolerance).quotient);
}

@@ -791,7 +1107,7 @@ /**

* @param currencyIn the currency to spend
* @param currencyAmountOut the exact amount of currency out
* @param nextAmountOut the exact amount of currency out
* @param maxNumResults maximum number of results to return
* @param maxHops maximum number of hops a returned trade can make, e.g. 1 hop goes through a single pair
* @param currentPairs used in recursion; the current list of pairs
* @param originalAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param currencyAmountOut used in recursion; the original value of the currencyAmountOut parameter
* @param bestTrades used in recursion; the current list of best trades

@@ -802,3 +1118,3 @@ */

Trade.bestTradeExactOut = function bestTradeExactOut(pairs, currencyIn, currencyAmountOut, _temp2, // used in recursion.
currentPairs, originalAmountOut, bestTrades) {
currentPairs, nextAmountOut, bestTrades) {
var _ref2 = _temp2 === void 0 ? {} : _temp2,

@@ -814,4 +1130,4 @@ _ref2$maxNumResults = _ref2.maxNumResults,

if (originalAmountOut === void 0) {
originalAmountOut = currencyAmountOut;
if (nextAmountOut === void 0) {
nextAmountOut = currencyAmountOut;
}

@@ -825,6 +1141,6 @@

!(maxHops > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'MAX_HOPS') : invariant(false) : void 0;
!(originalAmountOut === currencyAmountOut || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = currencyAmountOut.currency.isToken ? currencyAmountOut.currency.chainId : currencyIn.isToken ? currencyIn.chainId : undefined;
!(currencyAmountOut === nextAmountOut || currentPairs.length > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'INVALID_RECURSION') : invariant(false) : void 0;
var chainId = nextAmountOut.currency.isToken ? nextAmountOut.currency.chainId : currencyIn.isToken ? currencyIn.chainId : undefined;
!(chainId !== undefined) ? process.env.NODE_ENV !== "production" ? invariant(false, 'CHAIN_ID') : invariant(false) : void 0;
var amountOut = wrappedAmount(currencyAmountOut, chainId);
var amountOut = wrappedCurrencyAmount(nextAmountOut, chainId);
var tokenIn = wrappedCurrency(currencyIn, chainId);

@@ -856,10 +1172,10 @@

if (currencyEquals(amountIn.currency, tokenIn)) {
sortedInsert(bestTrades, new Trade(new Route([pair].concat(currentPairs), currencyIn, originalAmountOut.currency), originalAmountOut, TradeType.EXACT_OUTPUT), maxNumResults, tradeComparator);
sortedInsert(bestTrades, new Trade(new Route([pair].concat(currentPairs), currencyIn, currencyAmountOut.currency), currencyAmountOut, TradeType$1.EXACT_OUTPUT), maxNumResults, tradeComparator);
} else if (maxHops > 1 && pairs.length > 1) {
var pairsExcludingThisPair = pairs.slice(0, i).concat(pairs.slice(i + 1, pairs.length)); // otherwise, consider all the other paths that arrive at this token as long as we have not exceeded maxHops
Trade.bestTradeExactOut(pairsExcludingThisPair, currencyIn, amountIn, {
Trade.bestTradeExactOut(pairsExcludingThisPair, currencyIn, currencyAmountOut, {
maxNumResults: maxNumResults,
maxHops: maxHops - 1
}, [pair].concat(currentPairs), originalAmountOut, bestTrades);
}, [pair].concat(currentPairs), amountIn, bestTrades);
}

@@ -875,3 +1191,3 @@ }

function toHex(currencyAmount) {
return "0x" + currencyAmount.raw.toString(16);
return "0x" + currencyAmount.quotient.toString(16);
}

@@ -897,8 +1213,8 @@

Router.swapCallParameters = function swapCallParameters(trade, options) {
var etherIn = trade.inputAmount.currency === ETHER;
var etherOut = trade.outputAmount.currency === ETHER; // the router does not support both ether in and out
var etherIn = trade.inputAmount.currency.isEther;
var etherOut = trade.outputAmount.currency.isEther; // the router does not support both ether in and out
!!(etherIn && etherOut) ? process.env.NODE_ENV !== "production" ? invariant(false, 'ETHER_IN_OUT') : invariant(false) : void 0;
!(!('ttl' in options) || options.ttl > 0) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TTL') : invariant(false) : void 0;
var to = validateAndParseAddress(options.recipient);
var to = validateAndParseAddress$1(options.recipient);
var amountIn = toHex(trade.maximumAmountIn(options.allowedSlippage));

@@ -916,3 +1232,3 @@ var amountOut = toHex(trade.minimumAmountOut(options.allowedSlippage));

switch (trade.tradeType) {
case TradeType.EXACT_INPUT:
case TradeType$1.EXACT_INPUT:
if (etherIn) {

@@ -937,3 +1253,3 @@ methodName = useFeeOnTransfer ? 'swapExactETHForTokensSupportingFeeOnTransferTokens' : 'swapExactETHForTokens'; // (uint amountOutMin, address[] calldata path, address to, uint deadline)

case TradeType.EXACT_OUTPUT:
case TradeType$1.EXACT_OUTPUT:
!!useFeeOnTransfer ? process.env.NODE_ENV !== "production" ? invariant(false, 'EXACT_OUT_FOT') : invariant(false) : void 0;

@@ -940,0 +1256,0 @@

4

package.json
{
"name": "@uniswap/v2-sdk",
"license": "MIT",
"version": "2.0.2",
"version": "3.0.0-alpha.0",
"description": "🛠 An SDK for building applications on top of Uniswap V2",

@@ -27,3 +27,3 @@ "main": "dist/index.js",

"@ethersproject/solidity": "^5.0.0",
"@uniswap/sdk-core": "^2.0.2",
"@uniswap/sdk-core": "^3.0.0-alpha.1",
"tiny-invariant": "^1.1.0",

@@ -30,0 +30,0 @@ "tiny-warning": "^1.0.3"

dist/v2-sdk.cjs.development.js.map

Sorry, the diff of this file is not supported yet

dist/v2-sdk.cjs.production.min.js.map

Sorry, the diff of this file is not supported yet

dist/v2-sdk.esm.js.map

Sorry, the diff of this file is not supported yet

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