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consensus/misc/eip1559: remove unused function which used deprecated math methods

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This commit is contained in:
Manav Darji 2025-03-26 01:53:52 +05:30
parent cc1ebb7dd8
commit f84745e194
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GPG key ID: A426F0124435F36E
1 changed files with 0 additions and 53 deletions
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53
consensus/misc/eip1559/eip1559.go
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@ -21,8 +21,6 @@ import (
"fmt"
"math/big"
"github.com/holiman/uint256"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/misc"
"github.com/ethereum/go-ethereum/core/types"
@ -100,54 +98,3 @@ func CalcBaseFee(config *params.ChainConfig, parent *types.Header) *big.Int {
return baseFee
}
}
// CalcBaseFeeUint calculates the base fee of the header.
func CalcBaseFeeUint(config *params.ChainConfig, parent *types.Header) *uint256.Int {
var (
initialBaseFeeUint = uint256.NewInt(params.InitialBaseFee)
baseFeeChangeDenominatorUint64 = params.BaseFeeChangeDenominator(config.Bor, parent.Number)
baseFeeChangeDenominatorUint = uint256.NewInt(baseFeeChangeDenominatorUint64)
)
// If the current block is the first EIP-1559 block, return the InitialBaseFee.
if !config.IsLondon(parent.Number) {
return initialBaseFeeUint.Clone()
}
var (
parentGasTarget = parent.GasLimit / params.ElasticityMultiplier
parentGasTargetBig = uint256.NewInt(parentGasTarget)
)
// If the parent gasUsed is the same as the target, the baseFee remains unchanged.
if parent.GasUsed == parentGasTarget {
return math.FromBig(parent.BaseFee)
}
if parent.GasUsed > parentGasTarget {
// If the parent block used more gas than its target, the baseFee should increase.
gasUsedDelta := uint256.NewInt(parent.GasUsed - parentGasTarget)
parentBaseFee := math.FromBig(parent.BaseFee)
x := gasUsedDelta.Mul(parentBaseFee, gasUsedDelta)
y := x.Div(x, parentGasTargetBig)
baseFeeDelta := math.BigMaxUint(
x.Div(y, baseFeeChangeDenominatorUint),
math.U1,
)
return x.Add(parentBaseFee, baseFeeDelta)
}
// Otherwise if the parent block used less gas than its target, the baseFee should decrease.
gasUsedDelta := uint256.NewInt(parentGasTarget - parent.GasUsed)
parentBaseFee := math.FromBig(parent.BaseFee)
x := gasUsedDelta.Mul(parentBaseFee, gasUsedDelta)
y := x.Div(x, parentGasTargetBig)
baseFeeDelta := x.Div(y, baseFeeChangeDenominatorUint)
return math.BigMaxUint(
x.Sub(parentBaseFee, baseFeeDelta),
math.U0.Clone(),
)
}