mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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83 lines
3.0 KiB
Go
83 lines
3.0 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 logger
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import (
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"math/big"
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"testing"
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"github.com/holiman/uint256"
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libcommon "github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/vm"
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"github.com/ledgerwatch/erigon/core/vm/evmtypes"
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"github.com/ledgerwatch/erigon/core/vm/stack"
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"github.com/ledgerwatch/erigon/params"
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)
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type dummyContractRef struct {
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calledForEach bool
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}
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func (dummyContractRef) ReturnGas(*big.Int) {}
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func (dummyContractRef) Address() libcommon.Address { return libcommon.Address{} }
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func (dummyContractRef) Value() *big.Int { return new(big.Int) }
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func (dummyContractRef) SetCode(libcommon.Hash, []byte) {}
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func (d *dummyContractRef) ForEachStorage(callback func(key, value libcommon.Hash) bool) {
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d.calledForEach = true
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}
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func (d *dummyContractRef) SubBalance(amount *big.Int) {}
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func (d *dummyContractRef) AddBalance(amount *big.Int) {}
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func (d *dummyContractRef) SetBalance(*big.Int) {}
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func (d *dummyContractRef) SetNonce(uint64) {}
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func (d *dummyContractRef) Balance() *big.Int { return new(big.Int) }
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type dummyStatedb struct {
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state.IntraBlockState
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}
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func (*dummyStatedb) GetRefund() uint64 { return 1337 }
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func TestStoreCapture(t *testing.T) {
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var (
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env = vm.NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{})
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logger = NewStructLogger(nil)
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mem = vm.NewMemory()
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stack = stack.New()
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contract = vm.NewContract(&dummyContractRef{}, &dummyContractRef{}, new(uint256.Int), 0, false /* skipAnalysis */)
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)
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stack.Push(uint256.NewInt(1))
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stack.Push(uint256.NewInt(0))
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var index libcommon.Hash
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logger.CaptureStart(env, libcommon.Address{}, libcommon.Address{}, false, false, nil, 0, nil, nil)
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logger.CaptureState(0, vm.SSTORE, 0, 0, &vm.ScopeContext{
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Memory: mem,
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Stack: stack,
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Contract: contract,
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}, nil, 0, nil)
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if len(logger.storage[contract.Address()]) == 0 {
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t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(), len(logger.storage[contract.Address()]))
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}
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exp := libcommon.BigToHash(big.NewInt(1))
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if logger.storage[contract.Address()][index] != exp {
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t.Errorf("expected %x, got %x", exp, logger.storage[contract.Address()][index])
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}
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}
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