mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 11:41:19 +00:00
70bc7f7a25
This PR contains very small EIP-4844 additions. GasPool is modified and now it is a struct with 2 fields "gas" and "dataGas" (blobs are priced in dataGas). ExcessDataGas block header field added. ExcessDataGas needed to compute the data gas price. EIP-4844 helper functions are added as well.
85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package core
|
|
|
|
import (
|
|
"fmt"
|
|
"math"
|
|
)
|
|
|
|
// GasPool tracks the amount of gas available during execution of the transactions
|
|
// in a block. The zero value is a pool with zero gas available.
|
|
type GasPool struct {
|
|
gas, dataGas uint64
|
|
}
|
|
|
|
func (gp *GasPool) Reset(amount uint64) {
|
|
gp.gas = amount
|
|
}
|
|
|
|
// AddGas makes gas available for execution.
|
|
func (gp *GasPool) AddGas(amount uint64) *GasPool {
|
|
if gp.gas > math.MaxUint64-amount {
|
|
panic("gas pool pushed above uint64")
|
|
}
|
|
gp.gas += amount
|
|
return gp
|
|
}
|
|
|
|
// SubGas deducts the given amount from the pool if enough gas is
|
|
// available and returns an error otherwise.
|
|
func (gp *GasPool) SubGas(amount uint64) error {
|
|
if gp.gas < amount {
|
|
return ErrGasLimitReached
|
|
}
|
|
gp.gas -= amount
|
|
return nil
|
|
}
|
|
|
|
// Gas returns the amount of gas remaining in the pool.
|
|
func (gp *GasPool) Gas() uint64 {
|
|
return gp.gas
|
|
}
|
|
|
|
// AddDataGas makes data gas available for execution.
|
|
func (gp *GasPool) AddDataGas(amount uint64) *GasPool {
|
|
if gp.dataGas > math.MaxUint64-amount {
|
|
panic("data gas pool pushed above uint64")
|
|
}
|
|
gp.dataGas += amount
|
|
return gp
|
|
}
|
|
|
|
// SubDataGas deducts the given amount from the pool if enough data gas is available and returns an
|
|
// error otherwise.
|
|
func (gp *GasPool) SubDataGas(amount uint64) error {
|
|
if gp.dataGas < amount {
|
|
return ErrDataGasLimitReached
|
|
}
|
|
gp.dataGas -= amount
|
|
return nil
|
|
}
|
|
|
|
// DataGas returns the amount of data gas remaining in the pool.
|
|
func (gp *GasPool) DataGas() uint64 {
|
|
return gp.dataGas
|
|
}
|
|
|
|
func (gp *GasPool) String() string {
|
|
return fmt.Sprintf("gas: %d, data_gas: %d", gp.gas, gp.dataGas)
|
|
}
|