mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-22 14:44:30 +00:00
f850ca6bfe
## Why this should be merged `goheader` linter apparently hasn't been running but now decided to and is blocking another PR. It's not worth the time to investigatie why (probably a version update). ## How this works Update header comments as required. ## How this was tested N/A
61 lines
2 KiB
Go
61 lines
2 KiB
Go
// Copyright 2024-2025 the libevm authors.
|
|
//
|
|
// The libevm additions to go-ethereum are free software: you can redistribute
|
|
// them and/or modify them 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 libevm additions are distributed in the hope that they 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 (
|
|
"github.com/ava-labs/libevm/log"
|
|
"github.com/ava-labs/libevm/params"
|
|
)
|
|
|
|
func (st *StateTransition) rulesHooks() params.RulesHooks {
|
|
bCtx := st.evm.Context
|
|
rules := st.evm.ChainConfig().Rules(bCtx.BlockNumber, bCtx.Random != nil, bCtx.Time)
|
|
return rules.Hooks()
|
|
}
|
|
|
|
// canExecuteTransaction is a convenience wrapper for calling the
|
|
// [params.RulesHooks.CanExecuteTransaction] hook.
|
|
func (st *StateTransition) canExecuteTransaction() error {
|
|
hooks := st.rulesHooks()
|
|
if err := hooks.CanExecuteTransaction(st.msg.From, st.msg.To, st.state); err != nil {
|
|
log.Debug(
|
|
"Transaction execution blocked by libevm hook",
|
|
"from", st.msg.From,
|
|
"to", st.msg.To,
|
|
"hooks", log.TypeOf(hooks),
|
|
"reason", err,
|
|
)
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// consumeMinimumGas updates the gas remaining to reflect the value returned by
|
|
// [params.RulesHooks.MinimumGasConsumption]. It MUST be called after all code
|
|
// that modifies gas consumption but before the balance is returned for
|
|
// remaining gas.
|
|
func (st *StateTransition) consumeMinimumGas() {
|
|
limit := st.msg.GasLimit
|
|
minConsume := min(
|
|
limit, // as documented in [params.RulesHooks]
|
|
st.rulesHooks().MinimumGasConsumption(limit),
|
|
)
|
|
st.gasRemaining = min(
|
|
st.gasRemaining,
|
|
limit-minConsume,
|
|
)
|
|
}
|