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@uniswap/v2-sdk
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@uniswap/v2-sdk - npm Package Compare versions
Comparing version 3.2.0 to 3.2.1
@@ -0,1 +1,2 @@ | ||
| import { Percent } from '@uniswap/sdk-core'; | ||
| import JSBI from 'jsbi'; | ||
@@ -10,1 +11,4 @@ export declare const FACTORY_ADDRESS = "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"; | ||
| export declare const _1000: JSBI; | ||
| export declare const BASIS_POINTS: JSBI; | ||
| export declare const ZERO_PERCENT: Percent; | ||
| export declare const ONE_HUNDRED_PERCENT: Percent; |
@@ -39,6 +39,109 @@ import { BigintIsh, Price, Token, CurrencyAmount } from '@uniswap/sdk-core'; | ||
| reserveOf(token: Token): CurrencyAmount<Token>; | ||
| /** | ||
| * getAmountOut is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer tax, intuitively it's just: | ||
| * inputAmountWithFeeAndTax = 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * = (1 - amountIn.sellFeesBips / 10000) * amountInWithFee | ||
| * where amountInWithFee is the amountIn after taking out the LP fees | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountOut | ||
| * | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut = (B - B') / (1 - amountOut.buyFeesBips / 10000) # where A' * B' still is k | ||
| * = (B - K/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B - AB/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = ((BA + B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn - AB)/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn / (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut * (1 - amountOut.buyFeesBips / 10000) = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * | ||
| * outputAmountWithTax = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn * 1000 | ||
| * / | ||
| * ((A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) * 1000) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) 997 * * amountIn | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * 997 * amountIn) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * = (B * inputAmountWithFeeAndTax) | ||
| * / | ||
| * (1000 * A + inputAmountWithFeeAndTax) | ||
| * | ||
| * inputAmountWithFeeAndTax = (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * @param inputAmount | ||
| */ | ||
| getOutputAmount(inputAmount: CurrencyAmount<Token>): [CurrencyAmount<Token>, Pair]; | ||
| /** | ||
| * getAmountIn is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer fees, intuitively it's just: | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (1 - amountIn.sellFeesBips / 10000) / 0.997 | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountIn | ||
| * | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * amountIn = (A' - A) / (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (K / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (AB / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((AB - AB + A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * 1000 * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (A * outputAmountWithTax * 1000) / ((B - outputAmountWithTax) * 997) | ||
| * | ||
| * @param outputAmount | ||
| */ | ||
| 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>; | ||
| private derivePercentAfterSellFees; | ||
| private derivePercentAfterBuyFees; | ||
| } |
@@ -7,7 +7,8 @@ 'use strict'; | ||
| var sdkCore = require('@uniswap/sdk-core'); | ||
| var JSBI = _interopDefault(require('jsbi')); | ||
| var sdkCore = require('@uniswap/sdk-core'); | ||
| var invariant = _interopDefault(require('tiny-invariant')); | ||
| var solidity = require('@ethersproject/solidity'); | ||
| var address = require('@ethersproject/address'); | ||
| var bignumber = require('@ethersproject/bignumber'); | ||
@@ -23,2 +24,5 @@ var FACTORY_ADDRESS = '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f'; | ||
| var _1000 = /*#__PURE__*/JSBI.BigInt(1000); | ||
| var BASIS_POINTS = /*#__PURE__*/JSBI.BigInt(10000); | ||
| var ZERO_PERCENT = /*#__PURE__*/new sdkCore.Percent(ZERO); | ||
| var ONE_HUNDRED_PERCENT = /*#__PURE__*/new sdkCore.Percent(ONE); | ||
@@ -283,3 +287,63 @@ function _defineProperties(target, props) { | ||
| return token.equals(this.token0) ? this.reserve0 : this.reserve1; | ||
| }; | ||
| } | ||
| /** | ||
| * getAmountOut is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer tax, intuitively it's just: | ||
| * inputAmountWithFeeAndTax = 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * = (1 - amountIn.sellFeesBips / 10000) * amountInWithFee | ||
| * where amountInWithFee is the amountIn after taking out the LP fees | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountOut | ||
| * | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut = (B - B') / (1 - amountOut.buyFeesBips / 10000) # where A' * B' still is k | ||
| * = (B - K/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B - AB/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = ((BA + B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn - AB)/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn / (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut * (1 - amountOut.buyFeesBips / 10000) = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * | ||
| * outputAmountWithTax = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn * 1000 | ||
| * / | ||
| * ((A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) * 1000) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) 997 * * amountIn | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * 997 * amountIn) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * = (B * inputAmountWithFeeAndTax) | ||
| * / | ||
| * (1000 * A + inputAmountWithFeeAndTax) | ||
| * | ||
| * inputAmountWithFeeAndTax = (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * @param inputAmount | ||
| */ | ||
| ; | ||
@@ -295,6 +359,10 @@ _proto.getOutputAmount = function getOutputAmount(inputAmount) { | ||
| var outputReserve = this.reserveOf(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0); | ||
| 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)); | ||
| var percentAfterSellFees = this.derivePercentAfterSellFees(inputAmount); | ||
| var inputAmountAfterTax = percentAfterSellFees.greaterThan(ZERO_PERCENT) ? sdkCore.CurrencyAmount.fromRawAmount(inputAmount.currency, percentAfterSellFees.multiply(inputAmount).quotient // fraction.quotient will round down by itself, which is desired | ||
| ) : inputAmount; | ||
| var inputAmountWithFeeAndAfterTax = JSBI.multiply(inputAmountAfterTax.quotient, _997); | ||
| var numerator = JSBI.multiply(inputAmountWithFeeAndAfterTax, outputReserve.quotient); | ||
| var denominator = JSBI.add(JSBI.multiply(inputReserve.quotient, _1000), inputAmountWithFeeAndAfterTax); | ||
| var outputAmount = sdkCore.CurrencyAmount.fromRawAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator) // JSBI.divide will round down by itself, which is desired | ||
| ); | ||
@@ -305,9 +373,63 @@ if (JSBI.equal(outputAmount.quotient, ZERO)) { | ||
| return [outputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))]; | ||
| }; | ||
| var percentAfterBuyFees = this.derivePercentAfterBuyFees(outputAmount); | ||
| var outputAmountAfterTax = percentAfterBuyFees.greaterThan(ZERO_PERCENT) ? sdkCore.CurrencyAmount.fromRawAmount(outputAmount.currency, outputAmount.multiply(percentAfterBuyFees).quotient // fraction.quotient will round down by itself, which is desired | ||
| ) : outputAmount; | ||
| if (JSBI.equal(outputAmountAfterTax.quotient, ZERO)) { | ||
| throw new InsufficientInputAmountError(); | ||
| } | ||
| return [outputAmountAfterTax, new Pair(inputReserve.add(inputAmountAfterTax), outputReserve.subtract(outputAmountAfterTax))]; | ||
| } | ||
| /** | ||
| * getAmountIn is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer fees, intuitively it's just: | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (1 - amountIn.sellFeesBips / 10000) / 0.997 | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountIn | ||
| * | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * amountIn = (A' - A) / (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (K / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (AB / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((AB - AB + A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * 1000 * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (A * outputAmountWithTax * 1000) / ((B - outputAmountWithTax) * 997) | ||
| * | ||
| * @param outputAmount | ||
| */ | ||
| ; | ||
| _proto.getInputAmount = function getInputAmount(outputAmount) { | ||
| !this.involvesToken(outputAmount.currency) ? invariant(false, 'TOKEN') : void 0; | ||
| var percentAfterBuyFees = this.derivePercentAfterBuyFees(outputAmount); | ||
| var outputAmountBeforeTax = percentAfterBuyFees.greaterThan(ZERO_PERCENT) ? sdkCore.CurrencyAmount.fromRawAmount(outputAmount.currency, JSBI.add(outputAmount.divide(percentAfterBuyFees).quotient, ONE) // add 1 for rounding up | ||
| ) : outputAmount; | ||
| if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient)) { | ||
| if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient) || JSBI.greaterThanOrEqual(outputAmountBeforeTax.quotient, this.reserveOf(outputAmount.currency).quotient)) { | ||
| throw new InsufficientReservesError(); | ||
@@ -318,6 +440,10 @@ } | ||
| var inputReserve = this.reserveOf(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0); | ||
| 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))]; | ||
| var numerator = JSBI.multiply(JSBI.multiply(inputReserve.quotient, outputAmountBeforeTax.quotient), _1000); | ||
| var denominator = JSBI.multiply(JSBI.subtract(outputReserve.quotient, outputAmountBeforeTax.quotient), _997); | ||
| var inputAmount = sdkCore.CurrencyAmount.fromRawAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE) // add 1 here is part of the formula, no rounding needed here, since there will not be decimal at this point | ||
| ); | ||
| var percentAfterSellFees = this.derivePercentAfterSellFees(inputAmount); | ||
| var inputAmountBeforeTax = percentAfterSellFees.greaterThan(ZERO_PERCENT) ? sdkCore.CurrencyAmount.fromRawAmount(inputAmount.currency, JSBI.add(inputAmount.divide(percentAfterSellFees).quotient, ONE) // add 1 for rounding up | ||
| ) : inputAmount; | ||
| return [inputAmountBeforeTax, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))]; | ||
| }; | ||
@@ -384,2 +510,22 @@ | ||
| _proto.derivePercentAfterSellFees = function derivePercentAfterSellFees(inputAmount) { | ||
| var sellFeeBips = inputAmount.currency.sellFeeBps; | ||
| if (sellFeeBips != null && sellFeeBips.gt(bignumber.BigNumber.from(0))) { | ||
| return ONE_HUNDRED_PERCENT.subtract(new sdkCore.Percent(JSBI.BigInt(sellFeeBips)).divide(BASIS_POINTS)); | ||
| } else { | ||
| return ZERO_PERCENT; | ||
| } | ||
| }; | ||
| _proto.derivePercentAfterBuyFees = function derivePercentAfterBuyFees(outputAmount) { | ||
| var buyFeeBps = outputAmount.currency.buyFeeBps; | ||
| if (buyFeeBps != null && buyFeeBps.gt(bignumber.BigNumber.from(0))) { | ||
| return ONE_HUNDRED_PERCENT.subtract(new sdkCore.Percent(JSBI.BigInt(buyFeeBps)).divide(BASIS_POINTS)); | ||
| } else { | ||
| return ZERO_PERCENT; | ||
| } | ||
| }; | ||
| _createClass(Pair, [{ | ||
@@ -386,0 +532,0 @@ key: "token0Price", |
@@ -1,2 +0,2 @@ | ||
| "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")),n=require("@uniswap/sdk-core"),r=t(require("tiny-invariant")),o=require("@ethersproject/solidity"),u=require("@ethersproject/address"),i="0x96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f",s=e.BigInt(1e3),a=e.BigInt(0),c=e.BigInt(1),p=e.BigInt(5),l=e.BigInt(997),f=e.BigInt(1e3);function m(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function h(t,e,n){return e&&m(t.prototype,e),n&&m(t,n),t}function d(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e}function y(t){return(y=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function v(t,e){return(v=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function T(){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 A(t,e,n){return(A=T()?Reflect.construct:function(t,e,n){var r=[null];r.push.apply(r,e);var o=new(Function.bind.apply(t,r));return n&&v(o,n.prototype),o}).apply(null,arguments)}function q(t){var e="function"==typeof Map?new Map:void 0;return(q=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,n)}function n(){return A(t,arguments,y(this).constructor)}return n.prototype=Object.create(t.prototype,{constructor:{value:n,enumerable:!1,writable:!0,configurable:!0}}),v(n,t)})(t)}function k(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function g(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n<e;n++)r[n]=t[n];return r}function w(t,e){var n;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(n=function(t,e){if(t){if("string"==typeof t)return g(t,void 0);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?g(t,void 0):void 0}}(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var r=0;return function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}}}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(n=t[Symbol.iterator]()).next.bind(n)}var I="setPrototypeOf"in Object,x=function(t){function e(){var n;return(n=t.call(this)||this).isInsufficientReservesError=!0,n.name=n.constructor.name,I&&Object.setPrototypeOf(k(n),(this instanceof e?this.constructor:void 0).prototype),n}return d(e,t),e}(q(Error)),b=function(t){function e(){var n;return(n=t.call(this)||this).isInsufficientInputAmountError=!0,n.name=n.constructor.name,I&&Object.setPrototypeOf(k(n),(this instanceof e?this.constructor:void 0).prototype),n}return d(e,t),e}(q(Error)),O=function(t){var e=t.factoryAddress,n=t.tokenA,r=t.tokenB,s=n.sortsBefore(r)?[n,r]:[r,n];return u.getCreate2Address(e,o.keccak256(["bytes"],[o.pack(["address","address"],[s[0].address,s[1].address])]),i)},E=function(){function t(e,r){var o=e.currency.sortsBefore(r.currency)?[e,r]:[r,e];this.liquidityToken=new n.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 O({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)||r(!1),t.equals(this.token0)?this.token0Price:this.token1Price},o.reserveOf=function(t){return this.involvesToken(t)||r(!1),t.equals(this.token0)?this.reserve0:this.reserve1},o.getOutputAmount=function(o){if(this.involvesToken(o.currency)||r(!1),e.equal(this.reserve0.quotient,a)||e.equal(this.reserve1.quotient,a))throw new x;var u=this.reserveOf(o.currency),i=this.reserveOf(o.currency.equals(this.token0)?this.token1:this.token0),s=e.multiply(o.quotient,l),c=e.multiply(s,i.quotient),p=e.add(e.multiply(u.quotient,f),s),m=n.CurrencyAmount.fromRawAmount(o.currency.equals(this.token0)?this.token1:this.token0,e.divide(c,p));if(e.equal(m.quotient,a))throw new b;return[m,new t(u.add(o),i.subtract(m))]},o.getInputAmount=function(o){if(this.involvesToken(o.currency)||r(!1),e.equal(this.reserve0.quotient,a)||e.equal(this.reserve1.quotient,a)||e.greaterThanOrEqual(o.quotient,this.reserveOf(o.currency).quotient))throw new x;var u=this.reserveOf(o.currency),i=this.reserveOf(o.currency.equals(this.token0)?this.token1:this.token0),s=e.multiply(e.multiply(i.quotient,o.quotient),f),p=e.multiply(e.subtract(u.quotient,o.quotient),l),m=n.CurrencyAmount.fromRawAmount(o.currency.equals(this.token0)?this.token1:this.token0,e.add(e.divide(s,p),c));return[m,new t(i.add(m),u.subtract(o))]},o.getLiquidityMinted=function(t,o,u){t.currency.equals(this.liquidityToken)||r(!1);var i,c=o.currency.sortsBefore(u.currency)?[o,u]:[u,o];if(c[0].currency.equals(this.token0)&&c[1].currency.equals(this.token1)||r(!1),e.equal(t.quotient,a))i=e.subtract(n.sqrt(e.multiply(c[0].quotient,c[1].quotient)),s);else{var p=e.divide(e.multiply(c[0].quotient,t.quotient),this.reserve0.quotient),l=e.divide(e.multiply(c[1].quotient,t.quotient),this.reserve1.quotient);i=e.lessThanOrEqual(p,l)?p:l}if(!e.greaterThan(i,a))throw new b;return n.CurrencyAmount.fromRawAmount(this.liquidityToken,i)},o.getLiquidityValue=function(t,o,u,i,s){var c;if(void 0===i&&(i=!1),this.involvesToken(t)||r(!1),o.currency.equals(this.liquidityToken)||r(!1),u.currency.equals(this.liquidityToken)||r(!1),e.lessThanOrEqual(u.quotient,o.quotient)||r(!1),i){s||r(!1);var l=e.BigInt(s);if(e.equal(l,a))c=o;else{var f=n.sqrt(e.multiply(this.reserve0.quotient,this.reserve1.quotient)),m=n.sqrt(l);if(e.greaterThan(f,m)){var h=e.multiply(o.quotient,e.subtract(f,m)),d=e.add(e.multiply(f,p),m),y=e.divide(h,d);c=o.add(n.CurrencyAmount.fromRawAmount(this.liquidityToken,y))}else c=o}}else c=o;return n.CurrencyAmount.fromRawAmount(t,e.divide(e.multiply(u.quotient,this.reserveOf(t).quotient),c.quotient))},h(t,[{key:"token0Price",get:function(){var t=this.tokenAmounts[1].divide(this.tokenAmounts[0]);return new n.Price(this.token0,this.token1,t.denominator,t.numerator)}},{key:"token1Price",get:function(){var t=this.tokenAmounts[0].divide(this.tokenAmounts[1]);return new n.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}(),P=function(){function t(t,e,n){this._midPrice=null,t.length>0||r(!1);var o=t[0].chainId;t.every((function(t){return t.chainId===o}))||r(!1);var u=e.wrapped;t[0].involvesToken(u)||r(!1),void 0===n||t[t.length-1].involvesToken(n.wrapped)||r(!1);for(var i,s=[u],a=w(t.entries());!(i=a()).done;){var c=i.value,p=c[1],l=s[c[0]];l.equals(p.token0)||l.equals(p.token1)||r(!1);var f=l.equals(p.token0)?p.token1:p.token0;s.push(f)}this.pairs=t,this.path=s,this.input=e,this.output=n}return h(t,[{key:"midPrice",get:function(){if(null!==this._midPrice)return this._midPrice;for(var t,e=[],r=w(this.pairs.entries());!(t=r()).done;){var o=t.value,u=o[1];e.push(this.path[o[0]].equals(u.token0)?new n.Price(u.reserve0.currency,u.reserve1.currency,u.reserve0.quotient,u.reserve1.quotient):new n.Price(u.reserve1.currency,u.reserve0.currency,u.reserve1.quotient,u.reserve0.quotient))}var i=e.slice(1).reduce((function(t,e){return t.multiply(e)}),e[0]);return this._midPrice=new n.Price(this.input,this.output,i.denominator,i.numerator)}},{key:"chainId",get:function(){return this.pairs[0].chainId}}]),t}();function C(t,e){return t.inputAmount.currency.equals(e.inputAmount.currency)||r(!1),t.outputAmount.currency.equals(e.outputAmount.currency)||r(!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 _(t,e){var n=C(t,e);return 0!==n?n:t.priceImpact.lessThan(e.priceImpact)?-1:t.priceImpact.greaterThan(e.priceImpact)?1:t.route.path.length-e.route.path.length}var R=function(){function t(t,e,o){this.route=t,this.tradeType=o;var u=new Array(t.path.length);if(o===n.TradeType.EXACT_INPUT){e.currency.equals(t.input)||r(!1),u[0]=e.wrapped;for(var i=0;i<t.path.length-1;i++){var s=t.pairs[i].getOutputAmount(u[i]);u[i+1]=s[0]}this.inputAmount=n.CurrencyAmount.fromFractionalAmount(t.input,e.numerator,e.denominator),this.outputAmount=n.CurrencyAmount.fromFractionalAmount(t.output,u[u.length-1].numerator,u[u.length-1].denominator)}else{e.currency.equals(t.output)||r(!1),u[u.length-1]=e.wrapped;for(var a=t.path.length-1;a>0;a--){var c=t.pairs[a-1].getInputAmount(u[a]);u[a-1]=c[0]}this.inputAmount=n.CurrencyAmount.fromFractionalAmount(t.input,u[0].numerator,u[0].denominator),this.outputAmount=n.CurrencyAmount.fromFractionalAmount(t.output,e.numerator,e.denominator)}this.executionPrice=new n.Price(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.quotient,this.outputAmount.quotient),this.priceImpact=n.computePriceImpact(t.midPrice,this.inputAmount,this.outputAmount)}t.exactIn=function(e,r){return new t(e,r,n.TradeType.EXACT_INPUT)},t.exactOut=function(e,r){return new t(e,r,n.TradeType.EXACT_OUTPUT)};var e=t.prototype;return e.minimumAmountOut=function(t){if(t.lessThan(a)&&r(!1),this.tradeType===n.TradeType.EXACT_OUTPUT)return this.outputAmount;var e=new n.Fraction(c).add(t).invert().multiply(this.outputAmount.quotient).quotient;return n.CurrencyAmount.fromRawAmount(this.outputAmount.currency,e)},e.maximumAmountIn=function(t){if(t.lessThan(a)&&r(!1),this.tradeType===n.TradeType.EXACT_INPUT)return this.inputAmount;var e=new n.Fraction(c).add(t).multiply(this.inputAmount.quotient).quotient;return n.CurrencyAmount.fromRawAmount(this.inputAmount.currency,e)},t.bestTradeExactIn=function(e,o,u,i,s,c,p){var l=void 0===i?{}:i,f=l.maxNumResults,m=void 0===f?3:f,h=l.maxHops,d=void 0===h?3:h;void 0===s&&(s=[]),void 0===c&&(c=o),void 0===p&&(p=[]),e.length>0||r(!1),d>0||r(!1),o===c||s.length>0||r(!1);for(var y=c.wrapped,v=u.wrapped,T=0;T<e.length;T++){var A=e[T];if((A.token0.equals(y.currency)||A.token1.equals(y.currency))&&!A.reserve0.equalTo(a)&&!A.reserve1.equalTo(a)){var q=void 0;try{q=A.getOutputAmount(y)[0]}catch(t){if(t.isInsufficientInputAmountError)continue;throw t}if(q.currency.equals(v))n.sortedInsert(p,new t(new P([].concat(s,[A]),o.currency,u),o,n.TradeType.EXACT_INPUT),m,_);else if(d>1&&e.length>1){var k=e.slice(0,T).concat(e.slice(T+1,e.length));t.bestTradeExactIn(k,o,u,{maxNumResults:m,maxHops:d-1},[].concat(s,[A]),q,p)}}}return p},e.worstExecutionPrice=function(t){return new n.Price(this.inputAmount.currency,this.outputAmount.currency,this.maximumAmountIn(t).quotient,this.minimumAmountOut(t).quotient)},t.bestTradeExactOut=function(e,o,u,i,s,c,p){var l=void 0===i?{}:i,f=l.maxNumResults,m=void 0===f?3:f,h=l.maxHops,d=void 0===h?3:h;void 0===s&&(s=[]),void 0===c&&(c=u),void 0===p&&(p=[]),e.length>0||r(!1),d>0||r(!1),u===c||s.length>0||r(!1);for(var y=c.wrapped,v=o.wrapped,T=0;T<e.length;T++){var A=e[T];if((A.token0.equals(y.currency)||A.token1.equals(y.currency))&&!A.reserve0.equalTo(a)&&!A.reserve1.equalTo(a)){var q=void 0;try{q=A.getInputAmount(y)[0]}catch(t){if(t.isInsufficientReservesError)continue;throw t}if(q.currency.equals(v))n.sortedInsert(p,new t(new P([A].concat(s),o,u.currency),u,n.TradeType.EXACT_OUTPUT),m,_);else if(d>1&&e.length>1){var k=e.slice(0,T).concat(e.slice(T+1,e.length));t.bestTradeExactOut(k,o,u,{maxNumResults:m,maxHops:d-1},[A].concat(s),q,p)}}}return p},t}();function F(t){return"0x"+t.quotient.toString(16)}var S=function(){function t(){}return t.swapCallParameters=function(t,e){var o=t.inputAmount.currency.isNative,u=t.outputAmount.currency.isNative;o&&u&&r(!1),!("ttl"in e)||e.ttl>0||r(!1);var i,s,a,c=n.validateAndParseAddress(e.recipient),p=F(t.maximumAmountIn(e.allowedSlippage)),l=F(t.minimumAmountOut(e.allowedSlippage)),f=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 n.TradeType.EXACT_INPUT:o?(i=h?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",s=[l,f,c,m],a=p):u?(i=h?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",s=[p,l,f,c,m],a="0x0"):(i=h?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",s=[p,l,f,c,m],a="0x0");break;case n.TradeType.EXACT_OUTPUT:h&&r(!1),o?(i="swapETHForExactTokens",s=[l,f,c,m],a=p):u?(i="swapTokensForExactETH",s=[l,p,f,c,m],a="0x0"):(i="swapTokensForExactTokens",s=[l,p,f,c,m],a="0x0")}return{methodName:i,args:s,value:a}},t}();exports.FACTORY_ADDRESS="0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",exports.INIT_CODE_HASH=i,exports.InsufficientInputAmountError=b,exports.InsufficientReservesError=x,exports.MINIMUM_LIQUIDITY=s,exports.Pair=E,exports.Route=P,exports.Router=S,exports.Trade=R,exports.computePairAddress=O,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=require("@uniswap/sdk-core"),r=t(require("jsbi")),n=t(require("tiny-invariant")),u=require("@ethersproject/solidity"),o=require("@ethersproject/address"),i=require("@ethersproject/bignumber"),s="0x96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f",a=r.BigInt(1e3),c=r.BigInt(0),p=r.BigInt(1),l=r.BigInt(5),m=r.BigInt(997),f=r.BigInt(1e3),h=r.BigInt(1e4),d=new e.Percent(c),y=new e.Percent(p);function v(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 A(t,e,r){return e&&v(t.prototype,e),r&&v(t,r),t}function T(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e}function q(t){return(q=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function k(t,e){return(k=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 w(t,e,r){return(w=g()?Reflect.construct:function(t,e,r){var n=[null];n.push.apply(n,e);var u=new(Function.bind.apply(t,n));return r&&k(u,r.prototype),u}).apply(null,arguments)}function b(t){var e="function"==typeof Map?new Map:void 0;return(b=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 w(t,arguments,q(this).constructor)}return r.prototype=Object.create(t.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),k(r,t)})(t)}function I(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function x(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 x(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)?x(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 P="setPrototypeOf"in Object,E=function(t){function e(){var r;return(r=t.call(this)||this).isInsufficientReservesError=!0,r.name=r.constructor.name,P&&Object.setPrototypeOf(I(r),(this instanceof e?this.constructor:void 0).prototype),r}return T(e,t),e}(b(Error)),C=function(t){function e(){var r;return(r=t.call(this)||this).isInsufficientInputAmountError=!0,r.name=r.constructor.name,P&&Object.setPrototypeOf(I(r),(this instanceof e?this.constructor:void 0).prototype),r}return T(e,t),e}(b(Error)),_=function(t){var e=t.factoryAddress,r=t.tokenA,n=t.tokenB,i=r.sortsBefore(n)?[r,n]:[n,r];return o.getCreate2Address(e,u.keccak256(["bytes"],[u.pack(["address","address"],[i[0].address,i[1].address])]),s)},B=function(){function t(r,n){var u=r.currency.sortsBefore(n.currency)?[r,n]:[n,r];this.liquidityToken=new e.Token(u[0].currency.chainId,t.getAddress(u[0].currency,u[1].currency),18,"UNI-V2","Uniswap V2"),this.tokenAmounts=u}t.getAddress=function(t,e){return _({factoryAddress:"0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",tokenA:t,tokenB:e})};var u=t.prototype;return u.involvesToken=function(t){return t.equals(this.token0)||t.equals(this.token1)},u.priceOf=function(t){return this.involvesToken(t)||n(!1),t.equals(this.token0)?this.token0Price:this.token1Price},u.reserveOf=function(t){return this.involvesToken(t)||n(!1),t.equals(this.token0)?this.reserve0:this.reserve1},u.getOutputAmount=function(u){if(this.involvesToken(u.currency)||n(!1),r.equal(this.reserve0.quotient,c)||r.equal(this.reserve1.quotient,c))throw new E;var o=this.reserveOf(u.currency),i=this.reserveOf(u.currency.equals(this.token0)?this.token1:this.token0),s=this.derivePercentAfterSellFees(u),a=s.greaterThan(d)?e.CurrencyAmount.fromRawAmount(u.currency,s.multiply(u).quotient):u,p=r.multiply(a.quotient,m),l=r.multiply(p,i.quotient),h=r.add(r.multiply(o.quotient,f),p),y=e.CurrencyAmount.fromRawAmount(u.currency.equals(this.token0)?this.token1:this.token0,r.divide(l,h));if(r.equal(y.quotient,c))throw new C;var v=this.derivePercentAfterBuyFees(y),A=v.greaterThan(d)?e.CurrencyAmount.fromRawAmount(y.currency,y.multiply(v).quotient):y;if(r.equal(A.quotient,c))throw new C;return[A,new t(o.add(a),i.subtract(A))]},u.getInputAmount=function(u){this.involvesToken(u.currency)||n(!1);var o=this.derivePercentAfterBuyFees(u),i=o.greaterThan(d)?e.CurrencyAmount.fromRawAmount(u.currency,r.add(u.divide(o).quotient,p)):u;if(r.equal(this.reserve0.quotient,c)||r.equal(this.reserve1.quotient,c)||r.greaterThanOrEqual(u.quotient,this.reserveOf(u.currency).quotient)||r.greaterThanOrEqual(i.quotient,this.reserveOf(u.currency).quotient))throw new E;var s=this.reserveOf(u.currency),a=this.reserveOf(u.currency.equals(this.token0)?this.token1:this.token0),l=r.multiply(r.multiply(a.quotient,i.quotient),f),h=r.multiply(r.subtract(s.quotient,i.quotient),m),y=e.CurrencyAmount.fromRawAmount(u.currency.equals(this.token0)?this.token1:this.token0,r.add(r.divide(l,h),p)),v=this.derivePercentAfterSellFees(y);return[v.greaterThan(d)?e.CurrencyAmount.fromRawAmount(y.currency,r.add(y.divide(v).quotient,p)):y,new t(a.add(y),s.subtract(u))]},u.getLiquidityMinted=function(t,u,o){t.currency.equals(this.liquidityToken)||n(!1);var i,s=u.currency.sortsBefore(o.currency)?[u,o]:[o,u];if(s[0].currency.equals(this.token0)&&s[1].currency.equals(this.token1)||n(!1),r.equal(t.quotient,c))i=r.subtract(e.sqrt(r.multiply(s[0].quotient,s[1].quotient)),a);else{var p=r.divide(r.multiply(s[0].quotient,t.quotient),this.reserve0.quotient),l=r.divide(r.multiply(s[1].quotient,t.quotient),this.reserve1.quotient);i=r.lessThanOrEqual(p,l)?p:l}if(!r.greaterThan(i,c))throw new C;return e.CurrencyAmount.fromRawAmount(this.liquidityToken,i)},u.getLiquidityValue=function(t,u,o,i,s){var a;if(void 0===i&&(i=!1),this.involvesToken(t)||n(!1),u.currency.equals(this.liquidityToken)||n(!1),o.currency.equals(this.liquidityToken)||n(!1),r.lessThanOrEqual(o.quotient,u.quotient)||n(!1),i){s||n(!1);var p=r.BigInt(s);if(r.equal(p,c))a=u;else{var m=e.sqrt(r.multiply(this.reserve0.quotient,this.reserve1.quotient)),f=e.sqrt(p);if(r.greaterThan(m,f)){var h=r.multiply(u.quotient,r.subtract(m,f)),d=r.add(r.multiply(m,l),f),y=r.divide(h,d);a=u.add(e.CurrencyAmount.fromRawAmount(this.liquidityToken,y))}else a=u}}else a=u;return e.CurrencyAmount.fromRawAmount(t,r.divide(r.multiply(o.quotient,this.reserveOf(t).quotient),a.quotient))},u.derivePercentAfterSellFees=function(t){var n=t.currency.sellFeeBps;return null!=n&&n.gt(i.BigNumber.from(0))?y.subtract(new e.Percent(r.BigInt(n)).divide(h)):d},u.derivePercentAfterBuyFees=function(t){var n=t.currency.buyFeeBps;return null!=n&&n.gt(i.BigNumber.from(0))?y.subtract(new e.Percent(r.BigInt(n)).divide(h)):d},A(t,[{key:"token0Price",get:function(){var t=this.tokenAmounts[1].divide(this.tokenAmounts[0]);return new e.Price(this.token0,this.token1,t.denominator,t.numerator)}},{key:"token1Price",get:function(){var t=this.tokenAmounts[0].divide(this.tokenAmounts[1]);return new e.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,r){this._midPrice=null,t.length>0||n(!1);var u=t[0].chainId;t.every((function(t){return t.chainId===u}))||n(!1);var o=e.wrapped;t[0].involvesToken(o)||n(!1),void 0===r||t[t.length-1].involvesToken(r.wrapped)||n(!1);for(var i,s=[o],a=O(t.entries());!(i=a()).done;){var c=i.value,p=c[1],l=s[c[0]];l.equals(p.token0)||l.equals(p.token1)||n(!1);var m=l.equals(p.token0)?p.token1:p.token0;s.push(m)}this.pairs=t,this.path=s,this.input=e,this.output=r}return A(t,[{key:"midPrice",get:function(){if(null!==this._midPrice)return this._midPrice;for(var t,r=[],n=O(this.pairs.entries());!(t=n()).done;){var u=t.value,o=u[1];r.push(this.path[u[0]].equals(o.token0)?new e.Price(o.reserve0.currency,o.reserve1.currency,o.reserve0.quotient,o.reserve1.quotient):new e.Price(o.reserve1.currency,o.reserve0.currency,o.reserve1.quotient,o.reserve0.quotient))}var i=r.slice(1).reduce((function(t,e){return t.multiply(e)}),r[0]);return this._midPrice=new e.Price(this.input,this.output,i.denominator,i.numerator)}},{key:"chainId",get:function(){return this.pairs[0].chainId}}]),t}();function R(t,e){return t.inputAmount.currency.equals(e.inputAmount.currency)||n(!1),t.outputAmount.currency.equals(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 S(t,e){var r=R(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}var j=function(){function t(t,r,u){this.route=t,this.tradeType=u;var o=new Array(t.path.length);if(u===e.TradeType.EXACT_INPUT){r.currency.equals(t.input)||n(!1),o[0]=r.wrapped;for(var i=0;i<t.path.length-1;i++){var s=t.pairs[i].getOutputAmount(o[i]);o[i+1]=s[0]}this.inputAmount=e.CurrencyAmount.fromFractionalAmount(t.input,r.numerator,r.denominator),this.outputAmount=e.CurrencyAmount.fromFractionalAmount(t.output,o[o.length-1].numerator,o[o.length-1].denominator)}else{r.currency.equals(t.output)||n(!1),o[o.length-1]=r.wrapped;for(var a=t.path.length-1;a>0;a--){var c=t.pairs[a-1].getInputAmount(o[a]);o[a-1]=c[0]}this.inputAmount=e.CurrencyAmount.fromFractionalAmount(t.input,o[0].numerator,o[0].denominator),this.outputAmount=e.CurrencyAmount.fromFractionalAmount(t.output,r.numerator,r.denominator)}this.executionPrice=new e.Price(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.quotient,this.outputAmount.quotient),this.priceImpact=e.computePriceImpact(t.midPrice,this.inputAmount,this.outputAmount)}t.exactIn=function(r,n){return new t(r,n,e.TradeType.EXACT_INPUT)},t.exactOut=function(r,n){return new t(r,n,e.TradeType.EXACT_OUTPUT)};var r=t.prototype;return r.minimumAmountOut=function(t){if(t.lessThan(c)&&n(!1),this.tradeType===e.TradeType.EXACT_OUTPUT)return this.outputAmount;var r=new e.Fraction(p).add(t).invert().multiply(this.outputAmount.quotient).quotient;return e.CurrencyAmount.fromRawAmount(this.outputAmount.currency,r)},r.maximumAmountIn=function(t){if(t.lessThan(c)&&n(!1),this.tradeType===e.TradeType.EXACT_INPUT)return this.inputAmount;var r=new e.Fraction(p).add(t).multiply(this.inputAmount.quotient).quotient;return e.CurrencyAmount.fromRawAmount(this.inputAmount.currency,r)},t.bestTradeExactIn=function(r,u,o,i,s,a,p){var l=void 0===i?{}:i,m=l.maxNumResults,f=void 0===m?3:m,h=l.maxHops,d=void 0===h?3:h;void 0===s&&(s=[]),void 0===a&&(a=u),void 0===p&&(p=[]),r.length>0||n(!1),d>0||n(!1),u===a||s.length>0||n(!1);for(var y=a.wrapped,v=o.wrapped,A=0;A<r.length;A++){var T=r[A];if((T.token0.equals(y.currency)||T.token1.equals(y.currency))&&!T.reserve0.equalTo(c)&&!T.reserve1.equalTo(c)){var q=void 0;try{q=T.getOutputAmount(y)[0]}catch(t){if(t.isInsufficientInputAmountError)continue;throw t}if(q.currency.equals(v))e.sortedInsert(p,new t(new F([].concat(s,[T]),u.currency,o),u,e.TradeType.EXACT_INPUT),f,S);else if(d>1&&r.length>1){var k=r.slice(0,A).concat(r.slice(A+1,r.length));t.bestTradeExactIn(k,u,o,{maxNumResults:f,maxHops:d-1},[].concat(s,[T]),q,p)}}}return p},r.worstExecutionPrice=function(t){return new e.Price(this.inputAmount.currency,this.outputAmount.currency,this.maximumAmountIn(t).quotient,this.minimumAmountOut(t).quotient)},t.bestTradeExactOut=function(r,u,o,i,s,a,p){var l=void 0===i?{}:i,m=l.maxNumResults,f=void 0===m?3:m,h=l.maxHops,d=void 0===h?3:h;void 0===s&&(s=[]),void 0===a&&(a=o),void 0===p&&(p=[]),r.length>0||n(!1),d>0||n(!1),o===a||s.length>0||n(!1);for(var y=a.wrapped,v=u.wrapped,A=0;A<r.length;A++){var T=r[A];if((T.token0.equals(y.currency)||T.token1.equals(y.currency))&&!T.reserve0.equalTo(c)&&!T.reserve1.equalTo(c)){var q=void 0;try{q=T.getInputAmount(y)[0]}catch(t){if(t.isInsufficientReservesError)continue;throw t}if(q.currency.equals(v))e.sortedInsert(p,new t(new F([T].concat(s),u,o.currency),o,e.TradeType.EXACT_OUTPUT),f,S);else if(d>1&&r.length>1){var k=r.slice(0,A).concat(r.slice(A+1,r.length));t.bestTradeExactOut(k,u,o,{maxNumResults:f,maxHops:d-1},[T].concat(s),q,p)}}}return p},t}();function U(t){return"0x"+t.quotient.toString(16)}var N=function(){function t(){}return t.swapCallParameters=function(t,r){var u=t.inputAmount.currency.isNative,o=t.outputAmount.currency.isNative;u&&o&&n(!1),!("ttl"in r)||r.ttl>0||n(!1);var i,s,a,c=e.validateAndParseAddress(r.recipient),p=U(t.maximumAmountIn(r.allowedSlippage)),l=U(t.minimumAmountOut(r.allowedSlippage)),m=t.route.path.map((function(t){return t.address})),f="ttl"in r?"0x"+(Math.floor((new Date).getTime()/1e3)+r.ttl).toString(16):"0x"+r.deadline.toString(16),h=Boolean(r.feeOnTransfer);switch(t.tradeType){case e.TradeType.EXACT_INPUT:u?(i=h?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",s=[l,m,c,f],a=p):o?(i=h?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",s=[p,l,m,c,f],a="0x0"):(i=h?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",s=[p,l,m,c,f],a="0x0");break;case e.TradeType.EXACT_OUTPUT:h&&n(!1),u?(i="swapETHForExactTokens",s=[l,m,c,f],a=p):o?(i="swapTokensForExactETH",s=[l,p,m,c,f],a="0x0"):(i="swapTokensForExactTokens",s=[l,p,m,c,f],a="0x0")}return{methodName:i,args:s,value:a}},t}();exports.FACTORY_ADDRESS="0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",exports.INIT_CODE_HASH=s,exports.InsufficientInputAmountError=C,exports.InsufficientReservesError=E,exports.MINIMUM_LIQUIDITY=a,exports.Pair=B,exports.Route=F,exports.Router=N,exports.Trade=j,exports.computePairAddress=_,exports.inputOutputComparator=R,exports.tradeComparator=S; | ||
| //# sourceMappingURL=v2-sdk.cjs.production.min.js.map |
@@ -0,6 +1,7 @@ | ||
| import { Percent, CurrencyAmount, sqrt, Token, Price, TradeType, Fraction, computePriceImpact, sortedInsert, validateAndParseAddress } from '@uniswap/sdk-core'; | ||
| import JSBI from 'jsbi'; | ||
| import { CurrencyAmount, sqrt, Token, Price, TradeType, Fraction, computePriceImpact, sortedInsert, validateAndParseAddress } from '@uniswap/sdk-core'; | ||
| import invariant from 'tiny-invariant'; | ||
| import { keccak256, pack } from '@ethersproject/solidity'; | ||
| import { getCreate2Address } from '@ethersproject/address'; | ||
| import { BigNumber } from '@ethersproject/bignumber'; | ||
@@ -16,2 +17,5 @@ var FACTORY_ADDRESS = '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f'; | ||
| var _1000 = /*#__PURE__*/JSBI.BigInt(1000); | ||
| var BASIS_POINTS = /*#__PURE__*/JSBI.BigInt(10000); | ||
| var ZERO_PERCENT = /*#__PURE__*/new Percent(ZERO); | ||
| var ONE_HUNDRED_PERCENT = /*#__PURE__*/new Percent(ONE); | ||
@@ -276,3 +280,63 @@ function _defineProperties(target, props) { | ||
| return token.equals(this.token0) ? this.reserve0 : this.reserve1; | ||
| }; | ||
| } | ||
| /** | ||
| * getAmountOut is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer tax, intuitively it's just: | ||
| * inputAmountWithFeeAndTax = 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * = (1 - amountIn.sellFeesBips / 10000) * amountInWithFee | ||
| * where amountInWithFee is the amountIn after taking out the LP fees | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountOut | ||
| * | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut = (B - B') / (1 - amountOut.buyFeesBips / 10000) # where A' * B' still is k | ||
| * = (B - K/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B - AB/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = ((BA + B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn - AB)/(A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn)) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn / (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * / | ||
| * (1 - amountOut.buyFeesBips / 10000) | ||
| * amountOut * (1 - amountOut.buyFeesBips / 10000) = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * | ||
| * outputAmountWithTax = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn | ||
| * / | ||
| * (A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) | ||
| * = (B * 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn * 1000 | ||
| * / | ||
| * ((A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn) * 1000) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) 997 * * amountIn | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * 997 * amountIn) | ||
| * = (B * (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * / | ||
| * (1000 * A + (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee) | ||
| * = (B * inputAmountWithFeeAndTax) | ||
| * / | ||
| * (1000 * A + inputAmountWithFeeAndTax) | ||
| * | ||
| * inputAmountWithFeeAndTax = (1 - amountIn.sellFeesBips / 10000) * inputAmountWithFee | ||
| * outputAmountWithTax = amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * | ||
| * @param inputAmount | ||
| */ | ||
| ; | ||
@@ -288,6 +352,10 @@ _proto.getOutputAmount = function getOutputAmount(inputAmount) { | ||
| var outputReserve = this.reserveOf(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0); | ||
| 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)); | ||
| var percentAfterSellFees = this.derivePercentAfterSellFees(inputAmount); | ||
| var inputAmountAfterTax = percentAfterSellFees.greaterThan(ZERO_PERCENT) ? CurrencyAmount.fromRawAmount(inputAmount.currency, percentAfterSellFees.multiply(inputAmount).quotient // fraction.quotient will round down by itself, which is desired | ||
| ) : inputAmount; | ||
| var inputAmountWithFeeAndAfterTax = JSBI.multiply(inputAmountAfterTax.quotient, _997); | ||
| var numerator = JSBI.multiply(inputAmountWithFeeAndAfterTax, outputReserve.quotient); | ||
| var denominator = JSBI.add(JSBI.multiply(inputReserve.quotient, _1000), inputAmountWithFeeAndAfterTax); | ||
| var outputAmount = CurrencyAmount.fromRawAmount(inputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.divide(numerator, denominator) // JSBI.divide will round down by itself, which is desired | ||
| ); | ||
@@ -298,9 +366,63 @@ if (JSBI.equal(outputAmount.quotient, ZERO)) { | ||
| return [outputAmount, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))]; | ||
| }; | ||
| var percentAfterBuyFees = this.derivePercentAfterBuyFees(outputAmount); | ||
| var outputAmountAfterTax = percentAfterBuyFees.greaterThan(ZERO_PERCENT) ? CurrencyAmount.fromRawAmount(outputAmount.currency, outputAmount.multiply(percentAfterBuyFees).quotient // fraction.quotient will round down by itself, which is desired | ||
| ) : outputAmount; | ||
| if (JSBI.equal(outputAmountAfterTax.quotient, ZERO)) { | ||
| throw new InsufficientInputAmountError(); | ||
| } | ||
| return [outputAmountAfterTax, new Pair(inputReserve.add(inputAmountAfterTax), outputReserve.subtract(outputAmountAfterTax))]; | ||
| } | ||
| /** | ||
| * getAmountIn is the linear algebra of reserve ratio against amountIn:amountOut. | ||
| * https://ethereum.stackexchange.com/questions/101629/what-is-math-for-uniswap-calculates-the-amountout-and-amountin-why-997-and-1000 | ||
| * has the math deduction for the reserve calculation without fee-on-transfer fees. | ||
| * | ||
| * With fee-on-transfer fees, intuitively it's just: | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (1 - amountIn.sellFeesBips / 10000) / 0.997 | ||
| * | ||
| * But we are illustrating the math deduction below to ensure that's the case. | ||
| * | ||
| * before swap A * B = K where A = reserveIn B = reserveOut | ||
| * | ||
| * after swap A' * B' = K where only k is a constant value | ||
| * | ||
| * getAmountIn | ||
| * | ||
| * B' = B - amountOut * (1 - amountOut.buyFeesBips / 10000) | ||
| * A' = A + 0.997 * (1 - amountIn.sellFeesBips / 10000) * amountIn # here 0.3% is deducted | ||
| * amountIn = (A' - A) / (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (K / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (AB / (B - amountOut / (1 - amountOut.buyFeesBips / 10000)) - A) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((AB - AB + A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (0.997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = ((A * 1000 * amountOut / (1 - amountOut.buyFeesBips / 10000)) / (B - amountOut / (1 - amountOut.buyFeesBips / 10000))) | ||
| * / | ||
| * (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * | ||
| * outputAmountWithTax = amountOut / (1 - amountOut.buyFeesBips / 10000) | ||
| * inputAmountWithTax = amountIn / (997 * (1 - amountIn.sellFeesBips / 10000)) | ||
| * = (A * outputAmountWithTax * 1000) / ((B - outputAmountWithTax) * 997) | ||
| * | ||
| * @param outputAmount | ||
| */ | ||
| ; | ||
| _proto.getInputAmount = function getInputAmount(outputAmount) { | ||
| !this.involvesToken(outputAmount.currency) ? process.env.NODE_ENV !== "production" ? invariant(false, 'TOKEN') : invariant(false) : void 0; | ||
| var percentAfterBuyFees = this.derivePercentAfterBuyFees(outputAmount); | ||
| var outputAmountBeforeTax = percentAfterBuyFees.greaterThan(ZERO_PERCENT) ? CurrencyAmount.fromRawAmount(outputAmount.currency, JSBI.add(outputAmount.divide(percentAfterBuyFees).quotient, ONE) // add 1 for rounding up | ||
| ) : outputAmount; | ||
| if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient)) { | ||
| if (JSBI.equal(this.reserve0.quotient, ZERO) || JSBI.equal(this.reserve1.quotient, ZERO) || JSBI.greaterThanOrEqual(outputAmount.quotient, this.reserveOf(outputAmount.currency).quotient) || JSBI.greaterThanOrEqual(outputAmountBeforeTax.quotient, this.reserveOf(outputAmount.currency).quotient)) { | ||
| throw new InsufficientReservesError(); | ||
@@ -311,6 +433,10 @@ } | ||
| var inputReserve = this.reserveOf(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0); | ||
| 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))]; | ||
| var numerator = JSBI.multiply(JSBI.multiply(inputReserve.quotient, outputAmountBeforeTax.quotient), _1000); | ||
| var denominator = JSBI.multiply(JSBI.subtract(outputReserve.quotient, outputAmountBeforeTax.quotient), _997); | ||
| var inputAmount = CurrencyAmount.fromRawAmount(outputAmount.currency.equals(this.token0) ? this.token1 : this.token0, JSBI.add(JSBI.divide(numerator, denominator), ONE) // add 1 here is part of the formula, no rounding needed here, since there will not be decimal at this point | ||
| ); | ||
| var percentAfterSellFees = this.derivePercentAfterSellFees(inputAmount); | ||
| var inputAmountBeforeTax = percentAfterSellFees.greaterThan(ZERO_PERCENT) ? CurrencyAmount.fromRawAmount(inputAmount.currency, JSBI.add(inputAmount.divide(percentAfterSellFees).quotient, ONE) // add 1 for rounding up | ||
| ) : inputAmount; | ||
| return [inputAmountBeforeTax, new Pair(inputReserve.add(inputAmount), outputReserve.subtract(outputAmount))]; | ||
| }; | ||
@@ -377,2 +503,22 @@ | ||
| _proto.derivePercentAfterSellFees = function derivePercentAfterSellFees(inputAmount) { | ||
| var sellFeeBips = inputAmount.currency.sellFeeBps; | ||
| if (sellFeeBips != null && sellFeeBips.gt(BigNumber.from(0))) { | ||
| return ONE_HUNDRED_PERCENT.subtract(new Percent(JSBI.BigInt(sellFeeBips)).divide(BASIS_POINTS)); | ||
| } else { | ||
| return ZERO_PERCENT; | ||
| } | ||
| }; | ||
| _proto.derivePercentAfterBuyFees = function derivePercentAfterBuyFees(outputAmount) { | ||
| var buyFeeBps = outputAmount.currency.buyFeeBps; | ||
| if (buyFeeBps != null && buyFeeBps.gt(BigNumber.from(0))) { | ||
| return ONE_HUNDRED_PERCENT.subtract(new Percent(JSBI.BigInt(buyFeeBps)).divide(BASIS_POINTS)); | ||
| } else { | ||
| return ZERO_PERCENT; | ||
| } | ||
| }; | ||
| _createClass(Pair, [{ | ||
@@ -379,0 +525,0 @@ key: "token0Price", |
| { | ||
| "name": "@uniswap/v2-sdk", | ||
| "license": "MIT", | ||
| "version": "3.2.0", | ||
| "version": "3.2.1", | ||
| "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": "^4.0.2", | ||
| "@uniswap/sdk-core": "^4.0.7", | ||
| "tiny-invariant": "^1.1.0", | ||
@@ -30,0 +30,0 @@ "tiny-warning": "^1.0.3" |
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Improved metrics
- Total package byte prevSize
- increased by21.8%
322151
- Lines of code
- increased by22%
2179
Dependency changes
Updated@uniswap/sdk-core@^4.0.7