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Use 55th percentile instead of median for gas-price #5369

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Jan 19, 2021
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Use 55th percentile instead of median for gas-price #5369

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4 changes: 3 additions & 1 deletion node/impl/full/gas.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,13 +93,15 @@ type gasMeta struct {
limit int64
}

// finds 55th percntile instead of median to put negative pressure on gas price
func medianGasPremium(prices []gasMeta, blocks int) abi.TokenAmount {
sort.Slice(prices, func(i, j int) bool {
// sort desc by price
return prices[i].price.GreaterThan(prices[j].price)
})

at := build.BlockGasTarget * int64(blocks) / 2
at := build.BlockGasTarget * int64(blocks) / 2 // 50th
at += build.BlockGasTarget * int64(blocks) / (2 * 20) // move 5% further
prev1, prev2 := big.Zero(), big.Zero()
for _, price := range prices {
prev1, prev2 = price.price, prev1
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