mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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2045a2bba3
* all: core: split vm.Config into BlockConfig and TxConfig * core: core/vm: reset EVM between tx in block instead of creating new * core/vm: added docs
244 lines
8.6 KiB
Go
244 lines
8.6 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 les
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import (
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"bytes"
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"context"
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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/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/ethdb"
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"github.com/ethereum/go-ethereum/light"
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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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type odrTestFn func(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte
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func TestOdrGetBlockLes2(t *testing.T) { testOdr(t, 2, 1, true, odrGetBlock) }
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func TestOdrGetBlockLes3(t *testing.T) { testOdr(t, 3, 1, true, odrGetBlock) }
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func odrGetBlock(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
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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
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}
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rlp, _ := rlp.EncodeToBytes(block)
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return rlp
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}
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func TestOdrGetReceiptsLes2(t *testing.T) { testOdr(t, 2, 1, true, odrGetReceipts) }
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func TestOdrGetReceiptsLes3(t *testing.T) { testOdr(t, 3, 1, true, odrGetReceipts) }
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func odrGetReceipts(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
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var receipts types.Receipts
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if bc != nil {
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if number := rawdb.ReadHeaderNumber(db, bhash); number != nil {
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receipts = rawdb.ReadReceipts(db, bhash, *number, config)
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}
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} else {
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if number := rawdb.ReadHeaderNumber(db, bhash); number != nil {
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receipts, _ = light.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
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}
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rlp, _ := rlp.EncodeToBytes(receipts)
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return rlp
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}
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func TestOdrAccountsLes2(t *testing.T) { testOdr(t, 2, 1, true, odrAccounts) }
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func TestOdrAccountsLes3(t *testing.T) { testOdr(t, 3, 1, true, odrAccounts) }
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func odrAccounts(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
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dummyAddr := common.HexToAddress("1234567812345678123456781234567812345678")
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acc := []common.Address{bankAddr, userAddr1, userAddr2, dummyAddr}
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var (
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res []byte
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st *state.StateDB
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err error
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)
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for _, addr := range acc {
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if bc != nil {
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header := bc.GetHeaderByHash(bhash)
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st, err = state.New(header.Root, state.NewDatabase(db), nil)
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} else {
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header := lc.GetHeaderByHash(bhash)
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st = light.NewState(ctx, header, lc.Odr())
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}
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if err == nil {
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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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}
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return res
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}
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func TestOdrContractCallLes2(t *testing.T) { testOdr(t, 2, 2, true, odrContractCall) }
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func TestOdrContractCallLes3(t *testing.T) { testOdr(t, 3, 2, true, 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, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
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data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
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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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if bc != nil {
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header := bc.GetHeaderByHash(bhash)
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statedb, err := state.New(header.Root, state.NewDatabase(db), nil)
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if err == nil {
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from := statedb.GetOrNewStateObject(bankAddr)
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from.SetBalance(math.MaxBig256)
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msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false)}
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context := core.NewEVMBlockContext(header, bc, nil)
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txContext := core.NewEVMTxContext(msg)
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vmenv := vm.NewEVM(context, txContext, statedb, config, vm.Config{})
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//vmenv := core.NewEnv(statedb, config, bc, msg, header, vm.Config{})
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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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}
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} else {
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header := lc.GetHeaderByHash(bhash)
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state := light.NewState(ctx, header, lc.Odr())
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state.SetBalance(bankAddr, math.MaxBig256)
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msg := callmsg{types.NewMessage(bankAddr, &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false)}
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context := core.NewEVMBlockContext(header, lc, nil)
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txContext := core.NewEVMTxContext(msg)
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vmenv := vm.NewEVM(context, txContext, state, config, vm.Config{})
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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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if state.Error() == nil {
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res = append(res, result.Return()...)
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}
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}
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}
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return res
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}
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func TestOdrTxStatusLes2(t *testing.T) { testOdr(t, 2, 1, false, odrTxStatus) }
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func TestOdrTxStatusLes3(t *testing.T) { testOdr(t, 3, 1, false, odrTxStatus) }
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func odrTxStatus(ctx context.Context, db ethdb.Database, config *params.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
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var txs types.Transactions
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if bc != nil {
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block := bc.GetBlockByHash(bhash)
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txs = block.Transactions()
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} else {
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if block, _ := lc.GetBlockByHash(ctx, bhash); block != nil {
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btxs := block.Transactions()
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txs = make(types.Transactions, len(btxs))
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for i, tx := range btxs {
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var err error
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txs[i], _, _, _, err = light.GetTransaction(ctx, lc.Odr(), tx.Hash())
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if err != nil {
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return nil
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}
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}
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}
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}
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rlp, _ := rlp.EncodeToBytes(txs)
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return rlp
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}
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// testOdr tests odr requests whose validation guaranteed by block headers.
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func testOdr(t *testing.T, protocol int, expFail uint64, checkCached bool, fn odrTestFn) {
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// Assemble the test environment
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server, client, tearDown := newClientServerEnv(t, 4, protocol, nil, nil, 0, false, true, true)
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defer tearDown()
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// Ensure the client has synced all necessary data.
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clientHead := client.handler.backend.blockchain.CurrentHeader()
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if clientHead.Number.Uint64() != 4 {
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t.Fatalf("Failed to sync the chain with server, head: %v", clientHead.Number.Uint64())
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}
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// Disable the mechanism that we will wait a few time for request
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// even there is no suitable peer to send right now.
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waitForPeers = 0
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test := func(expFail uint64) {
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// Mark this as a helper to put the failures at the correct lines
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t.Helper()
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for i := uint64(0); i <= server.handler.blockchain.CurrentHeader().Number.Uint64(); i++ {
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bhash := rawdb.ReadCanonicalHash(server.db, i)
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b1 := fn(light.NoOdr, server.db, server.handler.server.chainConfig, server.handler.blockchain, nil, bhash)
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// Set the timeout as 1 second here, ensure there is enough time
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// for travis to make the action.
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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b2 := fn(ctx, client.db, client.handler.backend.chainConfig, nil, client.handler.backend.blockchain, bhash)
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cancel()
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eq := bytes.Equal(b1, b2)
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exp := i < expFail
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if exp && !eq {
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t.Fatalf("odr mismatch: have %x, want %x", b2, b1)
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}
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if !exp && eq {
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t.Fatalf("unexpected odr match")
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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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client.handler.backend.peers.lock.Lock()
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client.peer.speer.hasBlockHook = func(common.Hash, uint64, bool) bool { return false }
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client.handler.backend.peers.lock.Unlock()
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test(expFail)
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// expect all retrievals to pass
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client.handler.backend.peers.lock.Lock()
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client.peer.speer.hasBlockHook = func(common.Hash, uint64, bool) bool { return true }
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client.handler.backend.peers.lock.Unlock()
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test(5)
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// still expect all retrievals to pass, now data should be cached locally
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if checkCached {
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client.handler.backend.peers.unregister(client.peer.speer.id)
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time.Sleep(time.Millisecond * 10) // ensure that all peerSetNotify callbacks are executed
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test(5)
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}
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}
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