204 lines
6.7 KiB
Go
204 lines
6.7 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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"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/core"
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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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"golang.org/x/net/context"
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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 TestOdrGetBlockLes1(t *testing.T) { testOdr(t, 1, 1, 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 TestOdrGetReceiptsLes1(t *testing.T) { testOdr(t, 1, 1, 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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receipts = core.GetBlockReceipts(db, bhash, core.GetBlockNumber(db, bhash))
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} else {
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receipts, _ = light.GetBlockReceipts(ctx, lc.Odr(), bhash, core.GetBlockNumber(db, bhash))
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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 TestOdrAccountsLes1(t *testing.T) { testOdr(t, 1, 1, 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{testBankAddress, acc1Addr, acc2Addr, dummyAddr}
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var res []byte
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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, db)
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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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} else {
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header := lc.GetHeaderByHash(bhash)
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st := light.NewLightState(light.StateTrieID(header), lc.Odr())
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bal, err := st.GetBalance(ctx, addr)
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if err == nil {
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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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}
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return res
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}
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func TestOdrContractCallLes1(t *testing.T) { testOdr(t, 1, 2, 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, db)
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if err == nil {
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from := statedb.GetOrNewStateObject(testBankAddress)
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from.SetBalance(common.MaxBig)
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msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(100000), new(big.Int), data, false)}
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context := core.NewEVMContext(msg, header, bc)
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vmenv := vm.NewEVM(context, 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(common.MaxBig)
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ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
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res = append(res, ret...)
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}
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} else {
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header := lc.GetHeaderByHash(bhash)
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state := light.NewLightState(light.StateTrieID(header), lc.Odr())
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vmstate := light.NewVMState(ctx, state)
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from, err := state.GetOrNewStateObject(ctx, testBankAddress)
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if err == nil {
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from.SetBalance(common.MaxBig)
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msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), big.NewInt(100000), new(big.Int), data, false)}
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context := core.NewEVMContext(msg, header, lc)
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vmenv := vm.NewEVM(context, vmstate, config, vm.Config{})
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//vmenv := light.NewEnv(ctx, state, config, lc, msg, header, vm.Config{})
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gp := new(core.GasPool).AddGas(common.MaxBig)
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ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
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if vmstate.Error() == nil {
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res = append(res, ret...)
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}
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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 testOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
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// Assemble the test environment
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pm, db, odr := newTestProtocolManagerMust(t, false, 4, testChainGen)
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lpm, ldb, odr := newTestProtocolManagerMust(t, true, 0, nil)
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_, err1, lpeer, err2 := newTestPeerPair("peer", protocol, pm, lpm)
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pool := &testServerPool{}
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pool.setPeer(lpeer)
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odr.serverPool = pool
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select {
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case <-time.After(time.Millisecond * 100):
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case err := <-err1:
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t.Fatalf("peer 1 handshake error: %v", err)
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case err := <-err2:
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t.Fatalf("peer 1 handshake error: %v", err)
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}
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lpm.synchronise(lpeer)
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test := func(expFail uint64) {
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for i := uint64(0); i <= pm.blockchain.CurrentHeader().Number.Uint64(); i++ {
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bhash := core.GetCanonicalHash(db, i)
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b1 := fn(light.NoOdr, db, pm.chainConfig, pm.blockchain.(*core.BlockChain), nil, bhash)
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ctx, _ := context.WithTimeout(context.Background(), 200*time.Millisecond)
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b2 := fn(ctx, ldb, lpm.chainConfig, nil, lpm.blockchain.(*light.LightChain), bhash)
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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.Errorf("odr mismatch")
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}
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if !exp && eq {
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t.Errorf("unexpected odr match")
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}
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}
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}
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// temporarily remove peer to test odr fails
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pool.setPeer(nil)
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// expect retrievals to fail (except genesis block) without a les peer
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test(expFail)
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pool.setPeer(lpeer)
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// expect all retrievals to pass
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test(5)
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pool.setPeer(nil)
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// still expect all retrievals to pass, now data should be cached locally
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test(5)
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}
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