mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-22 11:31:02 +00:00
67ac5f0ae7
Here, the core.Message interface turns into a plain struct and types.Message gets removed. This is a breaking change to packages core and core/types. While we do not promise API stability for package core, we do for core/types. An exception can be made for types.Message, since it doesn't have any purpose apart from invoking the state transition in package core. types.Message was also marked deprecated by the same commit it got added in,4dca5d4db7(November 2016). The core.Message interface was added in December 2014, in commitdb494170dc, for the purpose of 'testing' state transitions. It's the same change that made transaction struct fields private. Before that, the state transition used *types.Transaction directly. Over time, multiple implementations of the interface accrued across different packages, since constructing a Message is required whenever one wants to invoke the state transition. These implementations all looked very similar, a struct with private fields exposing the fields as accessor methods. By changing Message into a struct with public fields we can remove all these useless interface implementations. It will also hopefully simplify future changes to the type with less updates to apply across all of go-ethereum when a field is added to Message. --------- Co-authored-by: Felix Lange <fjl@twurst.com>
337 lines
12 KiB
Go
337 lines
12 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 light
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import (
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"bytes"
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"context"
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"errors"
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/math"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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var (
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testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
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testBankFunds = big.NewInt(1_000_000_000_000_000_000)
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acc1Key, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
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acc2Key, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
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acc1Addr = crypto.PubkeyToAddress(acc1Key.PublicKey)
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acc2Addr = crypto.PubkeyToAddress(acc2Key.PublicKey)
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testContractCode = common.Hex2Bytes("606060405260cc8060106000396000f360606040526000357c01000000000000000000000000000000000000000000000000000000009004806360cd2685146041578063c16431b914606b57603f565b005b6055600480803590602001909190505060a9565b6040518082815260200191505060405180910390f35b60886004808035906020019091908035906020019091905050608a565b005b80600060005083606481101560025790900160005b50819055505b5050565b6000600060005082606481101560025790900160005b5054905060c7565b91905056")
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testContractAddr common.Address
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)
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type testOdr struct {
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OdrBackend
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indexerConfig *IndexerConfig
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sdb, ldb ethdb.Database
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serverState state.Database
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disable bool
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}
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func (odr *testOdr) Database() ethdb.Database {
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return odr.ldb
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}
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var ErrOdrDisabled = errors.New("ODR disabled")
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func (odr *testOdr) Retrieve(ctx context.Context, req OdrRequest) error {
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if odr.disable {
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return ErrOdrDisabled
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}
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switch req := req.(type) {
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case *BlockRequest:
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number := rawdb.ReadHeaderNumber(odr.sdb, req.Hash)
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if number != nil {
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req.Rlp = rawdb.ReadBodyRLP(odr.sdb, req.Hash, *number)
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}
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case *ReceiptsRequest:
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number := rawdb.ReadHeaderNumber(odr.sdb, req.Hash)
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if number != nil {
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req.Receipts = rawdb.ReadRawReceipts(odr.sdb, req.Hash, *number)
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}
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case *TrieRequest:
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var (
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err error
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t state.Trie
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)
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if len(req.Id.AccKey) > 0 {
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t, err = odr.serverState.OpenStorageTrie(req.Id.StateRoot, common.BytesToHash(req.Id.AccKey), req.Id.Root)
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} else {
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t, err = odr.serverState.OpenTrie(req.Id.Root)
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}
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if err != nil {
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panic(err)
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}
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nodes := NewNodeSet()
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t.Prove(req.Key, 0, nodes)
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req.Proof = nodes
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case *CodeRequest:
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req.Data = rawdb.ReadCode(odr.sdb, req.Hash)
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}
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req.StoreResult(odr.ldb)
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return nil
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}
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func (odr *testOdr) IndexerConfig() *IndexerConfig {
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return odr.indexerConfig
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}
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type odrTestFn func(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) ([]byte, error)
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func TestOdrGetBlockLes2(t *testing.T) { testChainOdr(t, 1, odrGetBlock) }
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func odrGetBlock(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) ([]byte, error) {
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var block *types.Block
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if bc != nil {
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block = bc.GetBlockByHash(bhash)
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} else {
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block, _ = lc.GetBlockByHash(ctx, bhash)
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}
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if block == nil {
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return nil, nil
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}
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rlp, _ := rlp.EncodeToBytes(block)
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return rlp, nil
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}
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func TestOdrGetReceiptsLes2(t *testing.T) { testChainOdr(t, 1, odrGetReceipts) }
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func odrGetReceipts(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) ([]byte, error) {
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var receipts types.Receipts
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if bc != nil {
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number := rawdb.ReadHeaderNumber(db, bhash)
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if number != nil {
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receipts = rawdb.ReadReceipts(db, bhash, *number, bc.Config())
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}
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} else {
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number := rawdb.ReadHeaderNumber(db, bhash)
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if number != nil {
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receipts, _ = GetBlockReceipts(ctx, lc.Odr(), bhash, *number)
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}
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}
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if receipts == nil {
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return nil, nil
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}
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rlp, _ := rlp.EncodeToBytes(receipts)
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return rlp, nil
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}
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func TestOdrAccountsLes2(t *testing.T) { testChainOdr(t, 1, odrAccounts) }
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func odrAccounts(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) ([]byte, error) {
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dummyAddr := common.HexToAddress("1234567812345678123456781234567812345678")
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acc := []common.Address{testBankAddress, acc1Addr, acc2Addr, dummyAddr}
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var st *state.StateDB
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if bc == nil {
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header := lc.GetHeaderByHash(bhash)
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st = NewState(ctx, header, lc.Odr())
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} else {
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header := bc.GetHeaderByHash(bhash)
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st, _ = state.New(header.Root, bc.StateCache(), nil)
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}
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var res []byte
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for _, addr := range acc {
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bal := st.GetBalance(addr)
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rlp, _ := rlp.EncodeToBytes(bal)
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res = append(res, rlp...)
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}
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return res, st.Error()
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}
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func TestOdrContractCallLes2(t *testing.T) { testChainOdr(t, 1, odrContractCall) }
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func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain, lc *LightChain, bhash common.Hash) ([]byte, error) {
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data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
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config := params.TestChainConfig
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var res []byte
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for i := 0; i < 3; i++ {
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data[35] = byte(i)
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var (
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st *state.StateDB
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header *types.Header
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chain core.ChainContext
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)
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if bc == nil {
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chain = lc
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header = lc.GetHeaderByHash(bhash)
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st = NewState(ctx, header, lc.Odr())
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} else {
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chain = bc
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header = bc.GetHeaderByHash(bhash)
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st, _ = state.New(header.Root, bc.StateCache(), nil)
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}
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// Perform read-only call.
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st.SetBalance(testBankAddress, math.MaxBig256)
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msg := &core.Message{
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From: testBankAddress,
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To: &testContractAddr,
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Value: new(big.Int),
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GasLimit: 1000000,
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GasPrice: big.NewInt(params.InitialBaseFee),
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GasFeeCap: big.NewInt(params.InitialBaseFee),
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GasTipCap: new(big.Int),
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Data: data,
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SkipAccountChecks: true,
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}
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txContext := core.NewEVMTxContext(msg)
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context := core.NewEVMBlockContext(header, chain, nil)
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vmenv := vm.NewEVM(context, txContext, st, config, vm.Config{NoBaseFee: true})
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gp := new(core.GasPool).AddGas(math.MaxUint64)
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result, _ := core.ApplyMessage(vmenv, msg, gp)
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res = append(res, result.Return()...)
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if st.Error() != nil {
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return res, st.Error()
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}
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}
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return res, nil
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}
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func testChainGen(i int, block *core.BlockGen) {
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signer := types.HomesteadSigner{}
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switch i {
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case 0:
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// In block 1, the test bank sends account #1 some ether.
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10_000_000_000_000_000), params.TxGas, block.BaseFee(), nil), signer, testBankKey)
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block.AddTx(tx)
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case 1:
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// In block 2, the test bank sends some more ether to account #1.
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// acc1Addr passes it on to account #2.
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// acc1Addr creates a test contract.
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tx1, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1_000_000_000_000_000), params.TxGas, block.BaseFee(), nil), signer, testBankKey)
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nonce := block.TxNonce(acc1Addr)
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tx2, _ := types.SignTx(types.NewTransaction(nonce, acc2Addr, big.NewInt(1_000_000_000_000_000), params.TxGas, block.BaseFee(), nil), signer, acc1Key)
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nonce++
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tx3, _ := types.SignTx(types.NewContractCreation(nonce, big.NewInt(0), 1000000, block.BaseFee(), testContractCode), signer, acc1Key)
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testContractAddr = crypto.CreateAddress(acc1Addr, nonce)
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block.AddTx(tx1)
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block.AddTx(tx2)
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block.AddTx(tx3)
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case 2:
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// Block 3 is empty but was mined by account #2.
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block.SetCoinbase(acc2Addr)
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block.SetExtra([]byte("yeehaw"))
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data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), 100000, block.BaseFee(), data), signer, testBankKey)
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block.AddTx(tx)
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case 3:
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// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
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b2 := block.PrevBlock(1).Header()
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b2.Extra = []byte("foo")
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block.AddUncle(b2)
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b3 := block.PrevBlock(2).Header()
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b3.Extra = []byte("foo")
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block.AddUncle(b3)
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data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), 100000, block.BaseFee(), data), signer, testBankKey)
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block.AddTx(tx)
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}
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}
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func testChainOdr(t *testing.T, protocol int, fn odrTestFn) {
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var (
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sdb = rawdb.NewMemoryDatabase()
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ldb = rawdb.NewMemoryDatabase()
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gspec = &core.Genesis{
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Config: params.TestChainConfig,
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Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}},
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BaseFee: big.NewInt(params.InitialBaseFee),
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}
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)
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// Assemble the test environment
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blockchain, _ := core.NewBlockChain(sdb, nil, gspec, nil, ethash.NewFullFaker(), vm.Config{}, nil, nil)
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_, gchain, _ := core.GenerateChainWithGenesis(gspec, ethash.NewFaker(), 4, testChainGen)
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if _, err := blockchain.InsertChain(gchain); err != nil {
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t.Fatal(err)
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}
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gspec.MustCommit(ldb)
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odr := &testOdr{sdb: sdb, ldb: ldb, serverState: blockchain.StateCache(), indexerConfig: TestClientIndexerConfig}
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lightchain, err := NewLightChain(odr, gspec.Config, ethash.NewFullFaker(), nil)
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if err != nil {
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t.Fatal(err)
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}
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headers := make([]*types.Header, len(gchain))
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for i, block := range gchain {
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headers[i] = block.Header()
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}
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if _, err := lightchain.InsertHeaderChain(headers, 1); err != nil {
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t.Fatal(err)
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}
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test := func(expFail int) {
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for i := uint64(0); i <= blockchain.CurrentHeader().Number.Uint64(); i++ {
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bhash := rawdb.ReadCanonicalHash(sdb, i)
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b1, err := fn(NoOdr, sdb, blockchain, nil, bhash)
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if err != nil {
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t.Fatalf("error in full-node test for block %d: %v", i, err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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exp := i < uint64(expFail)
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b2, err := fn(ctx, ldb, nil, lightchain, bhash)
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if err != nil && exp {
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t.Errorf("error in ODR test for block %d: %v", i, err)
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}
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eq := bytes.Equal(b1, b2)
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if exp && !eq {
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t.Errorf("ODR test output for block %d doesn't match full node", i)
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}
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}
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}
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// expect retrievals to fail (except genesis block) without a les peer
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t.Log("checking without ODR")
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odr.disable = true
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test(1)
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// expect all retrievals to pass with ODR enabled
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t.Log("checking with ODR")
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odr.disable = false
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test(len(gchain))
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// still expect all retrievals to pass, now data should be cached locally
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t.Log("checking without ODR, should be cached")
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odr.disable = true
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test(len(gchain))
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}
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