499c6b5c36
* Adding L1RollupTxId field to Transactions * Adding rollup transactions signing key config and bug fixing within api.go. Signing key and endpoint will be removed when go handles batch fetching
114 lines
4.4 KiB
Go
114 lines
4.4 KiB
Go
// Copyright 2019 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 clique
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import (
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"math/big"
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"testing"
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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/rawdb"
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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/params"
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)
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// This test case is a repro of an annoying bug that took us forever to catch.
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// In Clique PoA networks (Rinkeby, Görli, etc), consecutive blocks might have
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// the same state root (no block subsidy, empty block). If a node crashes, the
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// chain ends up losing the recent state and needs to regenerate it from blocks
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// already in the database. The bug was that processing the block *prior* to an
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// empty one **also completes** the empty one, ending up in a known-block error.
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func TestReimportMirroredState(t *testing.T) {
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// Initialize a Clique chain with a single signer
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var (
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db = rawdb.NewMemoryDatabase()
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key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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addr = crypto.PubkeyToAddress(key.PublicKey)
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engine = New(params.AllCliqueProtocolChanges.Clique, db)
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signer = new(types.HomesteadSigner)
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)
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genspec := &core.Genesis{
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ExtraData: make([]byte, extraVanity+common.AddressLength+extraSeal),
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Alloc: map[common.Address]core.GenesisAccount{
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addr: {Balance: big.NewInt(1)},
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},
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}
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copy(genspec.ExtraData[extraVanity:], addr[:])
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genesis := genspec.MustCommit(db)
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// Generate a batch of blocks, each properly signed
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chain, _ := core.NewBlockChain(db, nil, params.AllCliqueProtocolChanges, engine, vm.Config{}, nil)
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defer chain.Stop()
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blocks, _ := core.GenerateChain(params.AllCliqueProtocolChanges, genesis, engine, db, 3, func(i int, block *core.BlockGen) {
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// The chain maker doesn't have access to a chain, so the difficulty will be
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// lets unset (nil). Set it here to the correct value.
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block.SetDifficulty(diffInTurn)
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// We want to simulate an empty middle block, having the same state as the
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// first one. The last is needs a state change again to force a reorg.
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if i != 1 {
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tx, err := types.SignTx(types.NewTransaction(block.TxNonce(addr), common.Address{0x00}, new(big.Int), params.TxGas, nil, nil, nil, nil), signer, key)
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if err != nil {
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panic(err)
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}
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block.AddTxWithChain(chain, tx)
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}
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})
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for i, block := range blocks {
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header := block.Header()
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if i > 0 {
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header.ParentHash = blocks[i-1].Hash()
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}
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header.Extra = make([]byte, extraVanity+extraSeal)
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header.Difficulty = diffInTurn
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sig, _ := crypto.Sign(SealHash(header).Bytes(), key)
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copy(header.Extra[len(header.Extra)-extraSeal:], sig)
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blocks[i] = block.WithSeal(header)
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}
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// Insert the first two blocks and make sure the chain is valid
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db = rawdb.NewMemoryDatabase()
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genspec.MustCommit(db)
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chain, _ = core.NewBlockChain(db, nil, params.AllCliqueProtocolChanges, engine, vm.Config{}, nil)
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defer chain.Stop()
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if _, err := chain.InsertChain(blocks[:2]); err != nil {
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t.Fatalf("failed to insert initial blocks: %v", err)
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}
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if head := chain.CurrentBlock().NumberU64(); head != 2 {
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t.Fatalf("chain head mismatch: have %d, want %d", head, 2)
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}
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// Simulate a crash by creating a new chain on top of the database, without
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// flushing the dirty states out. Insert the last block, trigerring a sidechain
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// reimport.
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chain, _ = core.NewBlockChain(db, nil, params.AllCliqueProtocolChanges, engine, vm.Config{}, nil)
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defer chain.Stop()
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if _, err := chain.InsertChain(blocks[2:]); err != nil {
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t.Fatalf("failed to insert final block: %v", err)
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}
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if head := chain.CurrentBlock().NumberU64(); head != 3 {
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t.Fatalf("chain head mismatch: have %d, want %d", head, 3)
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}
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}
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