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Fix fees not calculated for first account to provide liquidity on a pair #365

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Fix fees not calculated for first account to provide liquidity on a pair #365

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bc2d487
fix erroneous fee calculation for first account to provide liquidity …
benber86 Mar 9, 2021
b997757
Fix code style issues with ESLint
lint-action Mar 9, 2021
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12 changes: 10 additions & 2 deletions src/utils/returns.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -109,8 +109,16 @@ export function getMetricsForPositionWindow(positionT0: Position, positionT1: Po
positionT1 = formatPricesForEarlyTimestamps(positionT1)

// calculate ownership at ends of window, for end of window we need original LP token balance / new total supply
const t0Ownership = positionT0.liquidityTokenBalance / positionT0.liquidityTokenTotalSupply
const t1Ownership = positionT0.liquidityTokenBalance / positionT1.liquidityTokenTotalSupply
// eslint-disable-next-line eqeqeq
const t0Ownership =
positionT0.liquidityTokenTotalSupply != 0
? positionT0.liquidityTokenBalance / positionT0.liquidityTokenTotalSupply
: 0
// eslint-disable-next-line eqeqeq
const t1Ownership =
positionT1.liquidityTokenTotalSupply != 0
? positionT0.liquidityTokenBalance / positionT1.liquidityTokenTotalSupply
: 0

// get starting amounts of token0 and token1 deposited by LP
const token0_amount_t0 = t0Ownership * positionT0.reserve0
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