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Subgraph - Bean: Fix volume calculation for single sided removals #686

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merged 4 commits into from
Nov 13, 2023
Merged

Subgraph - Bean: Fix volume calculation for single sided removals #686

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83eab55
Update volume inclusion for single sided liquidity removal
cujowolf Nov 10, 2023
fbc53be
half the value is viewed as a swap
cujowolf Nov 10, 2023
612b7ad
Merge branch 'master' into subgraph-bean-negative-volume
hellofromguy Nov 12, 2023
821f8ff
Merge branch 'master' into subgraph-bean-negative-volume
hellofromguy Nov 13, 2023
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18 changes: 15 additions & 3 deletions projects/subgraph-bean/src/BeanWellHandler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -102,9 +102,21 @@ function handleLiquidityChange(
let volumeUSD = ZERO_BD;
let volumeBean = ZERO_BI;
if ((token0Amount == ZERO_BI || token1Amount == ZERO_BI) && removal) {
// This is a removal and delta liquidity should always be negative.
volumeUSD = deltaLiquidityUSD.times(BigDecimal.fromString("-1")).div(BigDecimal.fromString("2"));
volumeBean = BigInt.fromString(volumeUSD.div(newPrice).times(BigDecimal.fromString("1000000")).truncate(0).toString());
if (token0Amount != ZERO_BI) {
volumeBean = token0Amount.div(BigInt.fromI32(2));
volumeUSD = toDecimal(token0Amount).times(toDecimal(wellPrice.value.price));
} else {
let wellPairInBean = toDecimal(wellPrice.value.balances[0]).div(toDecimal(wellPrice.value.balances[1], 18));
volumeBean = BigInt.fromString(
toDecimal(token1Amount, 18)
.times(wellPairInBean)
.times(BigDecimal.fromString("1000000"))
.div(BigDecimal.fromString("2"))
.truncate(0)
.toString()
);
volumeUSD = toDecimal(volumeBean).times(toDecimal(wellPrice.value.price));
}
}

setPoolReserves(poolAddress, wellPrice.value.balances, blockNumber);
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