71 lines
3.5 KiB
Go
71 lines
3.5 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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)
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func NoopCanTransfer(db StateDB, from common.Address, balance *big.Int) bool {
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return true
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}
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func NoopTransfer(db StateDB, from, to common.Address, amount *big.Int) {}
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type NoopEVMCallContext struct{}
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func (NoopEVMCallContext) Call(caller ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) {
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return nil, nil
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}
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func (NoopEVMCallContext) CallCode(caller ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) {
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return nil, nil
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}
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func (NoopEVMCallContext) Create(caller ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error) {
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return nil, common.Address{}, nil
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}
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func (NoopEVMCallContext) DelegateCall(me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error) {
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return nil, nil
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}
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type NoopStateDB struct{}
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func (NoopStateDB) GetAccount(common.Address) Account { return nil }
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func (NoopStateDB) CreateAccount(common.Address) Account { return nil }
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func (NoopStateDB) SubBalance(common.Address, *big.Int) {}
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func (NoopStateDB) AddBalance(common.Address, *big.Int) {}
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func (NoopStateDB) GetBalance(common.Address) *big.Int { return nil }
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func (NoopStateDB) GetNonce(common.Address) uint64 { return 0 }
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func (NoopStateDB) SetNonce(common.Address, uint64) {}
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func (NoopStateDB) GetCodeHash(common.Address) common.Hash { return common.Hash{} }
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func (NoopStateDB) GetCode(common.Address) []byte { return nil }
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func (NoopStateDB) SetCode(common.Address, []byte) {}
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func (NoopStateDB) GetCodeSize(common.Address) int { return 0 }
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func (NoopStateDB) AddRefund(*big.Int) {}
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func (NoopStateDB) GetRefund() *big.Int { return nil }
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func (NoopStateDB) GetState(common.Address, common.Hash) common.Hash { return common.Hash{} }
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func (NoopStateDB) SetState(common.Address, common.Hash, common.Hash) {}
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func (NoopStateDB) Suicide(common.Address) bool { return false }
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func (NoopStateDB) HasSuicided(common.Address) bool { return false }
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func (NoopStateDB) Exist(common.Address) bool { return false }
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func (NoopStateDB) Empty(common.Address) bool { return false }
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func (NoopStateDB) RevertToSnapshot(int) {}
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func (NoopStateDB) Snapshot() int { return 0 }
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func (NoopStateDB) AddLog(*types.Log) {}
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func (NoopStateDB) AddPreimage(common.Hash, []byte) {}
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