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fix: substract swap fees in totalValueLockedToken0/1 calculation #25

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fix: substract swap fees in totalValueLockedToken0/1 calculation #25

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16 changes: 14 additions & 2 deletions src/mappings/swap.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -96,8 +96,20 @@ export function handleSwapHelper(event: SwapEvent, subgraphConfig: SubgraphConfi
pool.liquidity = event.params.liquidity
pool.tick = BigInt.fromI32(event.params.tick as i32)
pool.sqrtPrice = event.params.sqrtPriceX96
pool.totalValueLockedToken0 = pool.totalValueLockedToken0.plus(amount0)
pool.totalValueLockedToken1 = pool.totalValueLockedToken1.plus(amount1)

let amount0WithFee = amount0
let amount1WithFee = amount1

if (amount0.gt(ZERO_BD)) {
const fee0 = amount0.times(pool.feeTier.toBigDecimal()).div(BigDecimal.fromString('1000000'))
amount0WithFee = amount0.minus(fee0)
} else if (amount1.gt(ZERO_BD)) {
const fee1 = amount1.times(pool.feeTier.toBigDecimal()).div(BigDecimal.fromString('1000000'))
amount1WithFee = amount1.minus(fee1)
}

pool.totalValueLockedToken0 = pool.totalValueLockedToken0.plus(amount0WithFee)
pool.totalValueLockedToken1 = pool.totalValueLockedToken1.plus(amount1WithFee)

// update token0 data
token0.volume = token0.volume.plus(amount0Abs)
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