Official Go implementation of the Ethereum protocol
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go-ethereum/eth/catalyst/api_test.go

242 lines
7.7 KiB

// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package catalyst
import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/ethconfig"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
)
var (
// testKey is a private key to use for funding a tester account.
testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
// testAddr is the Ethereum address of the tester account.
testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
testBalance = big.NewInt(2e10)
)
func generateTestChain() (*core.Genesis, []*types.Block) {
db := rawdb.NewMemoryDatabase()
config := params.AllEthashProtocolChanges
genesis := &core.Genesis{
Config: config,
Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance}},
ExtraData: []byte("test genesis"),
Timestamp: 9000,
}
generate := func(i int, g *core.BlockGen) {
g.OffsetTime(5)
g.SetExtra([]byte("test"))
}
gblock := genesis.ToBlock(db)
engine := ethash.NewFaker()
blocks, _ := core.GenerateChain(config, gblock, engine, db, 10, generate)
blocks = append([]*types.Block{gblock}, blocks...)
return genesis, blocks
}
func generateTestChainWithFork(n int, fork int) (*core.Genesis, []*types.Block, []*types.Block) {
if fork >= n {
fork = n - 1
}
db := rawdb.NewMemoryDatabase()
config := &params.ChainConfig{
ChainID: big.NewInt(1337),
HomesteadBlock: big.NewInt(0),
EIP150Block: big.NewInt(0),
EIP155Block: big.NewInt(0),
EIP158Block: big.NewInt(0),
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(0),
MuirGlacierBlock: big.NewInt(0),
BerlinBlock: big.NewInt(0),
CatalystBlock: big.NewInt(0),
Ethash: new(params.EthashConfig),
}
genesis := &core.Genesis{
Config: config,
Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance}},
ExtraData: []byte("test genesis"),
Timestamp: 9000,
}
generate := func(i int, g *core.BlockGen) {
g.OffsetTime(5)
g.SetExtra([]byte("test"))
}
generateFork := func(i int, g *core.BlockGen) {
g.OffsetTime(5)
g.SetExtra([]byte("testF"))
}
gblock := genesis.ToBlock(db)
engine := ethash.NewFaker()
blocks, _ := core.GenerateChain(config, gblock, engine, db, n, generate)
blocks = append([]*types.Block{gblock}, blocks...)
forkedBlocks, _ := core.GenerateChain(config, blocks[fork], engine, db, n-fork, generateFork)
return genesis, blocks, forkedBlocks
}
func TestEth2AssembleBlock(t *testing.T) {
genesis, blocks := generateTestChain()
n, ethservice := startEthService(t, genesis, blocks[1:9])
defer n.Close()
api := newConsensusAPI(ethservice)
signer := types.NewEIP155Signer(ethservice.BlockChain().Config().ChainID)
tx, err := types.SignTx(types.NewTransaction(0, blocks[8].Coinbase(), big.NewInt(1000), params.TxGas, nil, nil), signer, testKey)
if err != nil {
t.Fatalf("error signing transaction, err=%v", err)
}
ethservice.TxPool().AddLocal(tx)
blockParams := assembleBlockParams{
ParentHash: blocks[8].ParentHash(),
Timestamp: blocks[8].Time(),
}
execData, err := api.AssembleBlock(blockParams)
if err != nil {
t.Fatalf("error producing block, err=%v", err)
}
if len(execData.Transactions) != 1 {
t.Fatalf("invalid number of transactions %d != 1", len(execData.Transactions))
}
}
func TestEth2AssembleBlockWithAnotherBlocksTxs(t *testing.T) {
genesis, blocks := generateTestChain()
n, ethservice := startEthService(t, genesis, blocks[1:9])
defer n.Close()
api := newConsensusAPI(ethservice)
// Put the 10th block's tx in the pool and produce a new block
api.addBlockTxs(blocks[9])
blockParams := assembleBlockParams{
ParentHash: blocks[9].ParentHash(),
Timestamp: blocks[9].Time(),
}
execData, err := api.AssembleBlock(blockParams)
if err != nil {
t.Fatalf("error producing block, err=%v", err)
}
if len(execData.Transactions) != blocks[9].Transactions().Len() {
t.Fatalf("invalid number of transactions %d != 1", len(execData.Transactions))
}
}
func TestEth2NewBlock(t *testing.T) {
genesis, blocks, forkedBlocks := generateTestChainWithFork(10, 4)
n, ethservice := startEthService(t, genesis, blocks[1:5])
defer n.Close()
api := newConsensusAPI(ethservice)
for i := 5; i < 10; i++ {
p := executableData{
ParentHash: ethservice.BlockChain().CurrentBlock().Hash(),
Miner: blocks[i].Coinbase(),
StateRoot: blocks[i].Root(),
GasLimit: blocks[i].GasLimit(),
GasUsed: blocks[i].GasUsed(),
Transactions: encodeTransactions(blocks[i].Transactions()),
ReceiptRoot: blocks[i].ReceiptHash(),
LogsBloom: blocks[i].Bloom().Bytes(),
BlockHash: blocks[i].Hash(),
Timestamp: blocks[i].Time(),
Number: uint64(i),
}
success, err := api.NewBlock(p)
if err != nil || !success.Valid {
t.Fatalf("Failed to insert block: %v", err)
}
}
exp := ethservice.BlockChain().CurrentBlock().Hash()
// Introduce the fork point.
lastBlockNum := blocks[4].Number()
lastBlock := blocks[4]
for i := 0; i < 4; i++ {
lastBlockNum.Add(lastBlockNum, big.NewInt(1))
p := executableData{
ParentHash: lastBlock.Hash(),
Miner: forkedBlocks[i].Coinbase(),
StateRoot: forkedBlocks[i].Root(),
Number: lastBlockNum.Uint64(),
GasLimit: forkedBlocks[i].GasLimit(),
GasUsed: forkedBlocks[i].GasUsed(),
Transactions: encodeTransactions(blocks[i].Transactions()),
ReceiptRoot: forkedBlocks[i].ReceiptHash(),
LogsBloom: forkedBlocks[i].Bloom().Bytes(),
BlockHash: forkedBlocks[i].Hash(),
Timestamp: forkedBlocks[i].Time(),
}
success, err := api.NewBlock(p)
if err != nil || !success.Valid {
t.Fatalf("Failed to insert forked block #%d: %v", i, err)
}
lastBlock, err = insertBlockParamsToBlock(p)
if err != nil {
t.Fatal(err)
}
}
if ethservice.BlockChain().CurrentBlock().Hash() != exp {
t.Fatalf("Wrong head after inserting fork %x != %x", exp, ethservice.BlockChain().CurrentBlock().Hash())
}
}
// startEthService creates a full node instance for testing.
func startEthService(t *testing.T, genesis *core.Genesis, blocks []*types.Block) (*node.Node, *eth.Ethereum) {
t.Helper()
n, err := node.New(&node.Config{})
if err != nil {
t.Fatal("can't create node:", err)
}
ethcfg := &ethconfig.Config{Genesis: genesis, Ethash: ethash.Config{PowMode: ethash.ModeFake}}
ethservice, err := eth.New(n, ethcfg)
if err != nil {
t.Fatal("can't create eth service:", err)
}
if err := n.Start(); err != nil {
t.Fatal("can't start node:", err)
}
if _, err := ethservice.BlockChain().InsertChain(blocks); err != nil {
n.Close()
t.Fatal("can't import test blocks:", err)
}
ethservice.SetEtherbase(testAddr)
return n, ethservice
}