mirror of https://github.com/poanetwork/quorum.git
318 lines
11 KiB
Go
318 lines
11 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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"github.com/ethereum/go-ethereum/trie"
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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(100000000)
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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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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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t, _ := trie.New(req.Id.Root, trie.NewDatabase(odr.sdb))
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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, _ = odr.sdb.Get(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, state.NewDatabase(db))
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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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type callmsg struct {
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types.Message
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}
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func (callmsg) CheckNonce() bool { return false }
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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, state.NewDatabase(db))
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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 := callmsg{types.NewMessage(testBankAddress, &testContractAddr, 0, new(big.Int), 1000000, new(big.Int), data, false)}
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context := core.NewEVMContext(msg, header, chain, nil)
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vmenv := vm.NewEVM(context, st, st, config, vm.Config{})
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gp := new(core.GasPool).AddGas(math.MaxUint64)
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ret, _, _, _ := core.ApplyMessage(vmenv, msg, gp)
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res = append(res, ret...)
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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(10000), params.TxGas, nil, 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(1000), params.TxGas, nil, nil), signer, testBankKey)
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nonce := block.TxNonce(acc1Addr)
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tx2, _ := types.SignTx(types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), params.TxGas, nil, nil), signer, acc1Key)
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nonce++
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tx3, _ := types.SignTx(types.NewContractCreation(nonce, big.NewInt(0), 1000000, big.NewInt(0), 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, nil, 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, nil, 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{Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}}}
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genesis = gspec.MustCommit(sdb)
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)
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gspec.MustCommit(ldb)
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// Assemble the test environment
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blockchain, _ := core.NewBlockChain(sdb, nil, params.TestChainConfig, ethash.NewFullFaker(), vm.Config{}, nil)
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gchain, _ := core.GenerateChain(params.TestChainConfig, genesis, ethash.NewFaker(), sdb, 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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odr := &testOdr{sdb: sdb, ldb: ldb, indexerConfig: TestClientIndexerConfig}
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lightchain, err := NewLightChain(odr, params.TestChainConfig, 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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