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core/vm, params: refactor chain configuration (#19735)

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* params, core/vm: deprecating gastable, part 1

* core/vm, params: deprecate gastable, use both constant and dynamic gas

* core/vm, params: remove gastable, remove copypaste

* core/vm: make use of the chainrules

* interpreter: make tracing count constant+dynamic gas

* core/vm: review concerns (param/method name changes)

* core/vm: make use of chainrules more
This commit is contained in:
Martin Holst Swende
2019-08-05 10:01:02 +02:00
committed by Péter Szilágyi
parent a7de796840
commit aa6005b469
9 changed files with 342 additions and 518 deletions
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10
core/vm/gas.go
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@ -18,8 +18,6 @@ package vm
import (
"math/big"
"github.com/ethereum/go-ethereum/params"
)
// Gas costs
@ -34,10 +32,10 @@ const (
// calcGas returns the actual gas cost of the call.
//
// The cost of gas was changed during the homestead price change HF. To allow for EIP150
// to be implemented. The returned gas is gas - base * 63 / 64.
func callGas(gasTable params.GasTable, availableGas, base uint64, callCost *big.Int) (uint64, error) {
if gasTable.CreateBySuicide > 0 {
// The cost of gas was changed during the homestead price change HF.
// As part of EIP 150 (TangerineWhistle), the returned gas is gas - base * 63 / 64.
func callGas(isEip150 bool, availableGas, base uint64, callCost *big.Int) (uint64, error) {
if isEip150 {
availableGas = availableGas - base
gas := availableGas - availableGas/64
// If the bit length exceeds 64 bit we know that the newly calculated "gas" for EIP150