69 lines
3.4 KiB
Go
69 lines
3.4 KiB
Go
|
// Copyright 2016 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 vm
|
||
|
|
|
||
|
|
import (
|
||
|
|
"math/big"
|
||
|
|
|
||
|
|
"github.com/ethereum/go-ethereum/common"
|
||
|
|
)
|
||
|
|
|
||
|
|
func NoopCanTransfer(db StateDB, from common.Address, balance *big.Int) bool {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
func NoopTransfer(db StateDB, from, to common.Address, amount *big.Int) {}
|
||
|
|
|
||
|
|
type NoopEVMCallContext struct{}
|
||
|
|
|
||
|
|
func (NoopEVMCallContext) Call(caller ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) {
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
func (NoopEVMCallContext) CallCode(caller ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) {
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
func (NoopEVMCallContext) Create(caller ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error) {
|
||
|
|
return nil, common.Address{}, nil
|
||
|
|
}
|
||
|
|
func (NoopEVMCallContext) DelegateCall(me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error) {
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
type NoopStateDB struct{}
|
||
|
|
|
||
|
|
func (NoopStateDB) GetAccount(common.Address) Account { return nil }
|
||
|
|
func (NoopStateDB) CreateAccount(common.Address) Account { return nil }
|
||
|
|
func (NoopStateDB) SubBalance(common.Address, *big.Int) {}
|
||
|
|
func (NoopStateDB) AddBalance(common.Address, *big.Int) {}
|
||
|
|
func (NoopStateDB) GetBalance(common.Address) *big.Int { return nil }
|
||
|
|
func (NoopStateDB) GetNonce(common.Address) uint64 { return 0 }
|
||
|
|
func (NoopStateDB) SetNonce(common.Address, uint64) {}
|
||
|
|
func (NoopStateDB) GetCodeHash(common.Address) common.Hash { return common.Hash{} }
|
||
|
|
func (NoopStateDB) GetCode(common.Address) []byte { return nil }
|
||
|
|
func (NoopStateDB) SetCode(common.Address, []byte) {}
|
||
|
|
func (NoopStateDB) GetCodeSize(common.Address) int { return 0 }
|
||
|
|
func (NoopStateDB) AddRefund(*big.Int) {}
|
||
|
|
func (NoopStateDB) GetRefund() *big.Int { return nil }
|
||
|
|
func (NoopStateDB) GetState(common.Address, common.Hash) common.Hash { return common.Hash{} }
|
||
|
|
func (NoopStateDB) SetState(common.Address, common.Hash, common.Hash) {}
|
||
|
|
func (NoopStateDB) Suicide(common.Address) bool { return false }
|
||
|
|
func (NoopStateDB) HasSuicided(common.Address) bool { return false }
|
||
|
|
func (NoopStateDB) Exist(common.Address) bool { return false }
|
||
|
|
func (NoopStateDB) Empty(common.Address) bool { return false }
|
||
|
|
func (NoopStateDB) RevertToSnapshot(int) {}
|
||
|
|
func (NoopStateDB) Snapshot() int { return 0 }
|
||
|
|
func (NoopStateDB) AddLog(*Log) {}
|