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Use 55th percentile instead of median for gas-price

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The aim is to put some negative pressure on gas-premium instead of
maintining status quo.

55th percentile instead of median should not make much difference for
block inclusion timing.

Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
This commit is contained in:
Jakub Sztandera 2021-01-18 15:44:20 +01:00
parent 476df99179
commit eeadfedbe6
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GPG Key ID: 9A9AF56F8B3879BA
1 changed files with 3 additions and 1 deletions
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4
node/impl/full/gas.go
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@ -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