264 lines
7.8 KiB
Go
264 lines
7.8 KiB
Go
// Copyright 2015 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 core
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import (
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"crypto/ecdsa"
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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/state"
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"github.com/ethereum/go-ethereum/core/types"
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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/event"
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)
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func transaction(nonce uint64, gaslimit *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
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tx, _ := types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, big.NewInt(1), nil).SignECDSA(key)
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return tx
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}
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func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
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db, _ := ethdb.NewMemDatabase()
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statedb, _ := state.New(common.Hash{}, db)
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var m event.TypeMux
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key, _ := crypto.GenerateKey()
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newPool := NewTxPool(&m, func() (*state.StateDB, error) { return statedb, nil }, func() *big.Int { return big.NewInt(1000000) })
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newPool.resetState()
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return newPool, key
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}
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func TestInvalidTransactions(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction(0, big.NewInt(100), key)
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if err := pool.Add(tx); err != ErrNonExistentAccount {
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t.Error("expected", ErrNonExistentAccount)
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}
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from, _ := tx.From()
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currentState, _ := pool.currentState()
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currentState.AddBalance(from, big.NewInt(1))
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if err := pool.Add(tx); err != ErrInsufficientFunds {
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t.Error("expected", ErrInsufficientFunds)
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}
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balance := new(big.Int).Add(tx.Value(), new(big.Int).Mul(tx.Gas(), tx.GasPrice()))
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currentState.AddBalance(from, balance)
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if err := pool.Add(tx); err != ErrIntrinsicGas {
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t.Error("expected", ErrIntrinsicGas, "got", err)
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}
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currentState.SetNonce(from, 1)
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currentState.AddBalance(from, big.NewInt(0xffffffffffffff))
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tx = transaction(0, big.NewInt(100000), key)
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if err := pool.Add(tx); err != ErrNonce {
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t.Error("expected", ErrNonce)
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}
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}
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func TestTransactionQueue(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction(0, big.NewInt(100), key)
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from, _ := tx.From()
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currentState, _ := pool.currentState()
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currentState.AddBalance(from, big.NewInt(1))
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pool.queueTx(tx.Hash(), tx)
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pool.checkQueue()
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if len(pool.pending) != 1 {
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t.Error("expected valid txs to be 1 is", len(pool.pending))
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}
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tx = transaction(1, big.NewInt(100), key)
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from, _ = tx.From()
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currentState.SetNonce(from, 2)
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pool.queueTx(tx.Hash(), tx)
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pool.checkQueue()
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if _, ok := pool.pending[tx.Hash()]; ok {
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t.Error("expected transaction to be in tx pool")
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}
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if len(pool.queue[from]) > 0 {
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t.Error("expected transaction queue to be empty. is", len(pool.queue[from]))
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}
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pool, key = setupTxPool()
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tx1 := transaction(0, big.NewInt(100), key)
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tx2 := transaction(10, big.NewInt(100), key)
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tx3 := transaction(11, big.NewInt(100), key)
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pool.queueTx(tx1.Hash(), tx1)
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pool.queueTx(tx2.Hash(), tx2)
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pool.queueTx(tx3.Hash(), tx3)
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from, _ = tx1.From()
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pool.checkQueue()
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if len(pool.pending) != 1 {
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t.Error("expected tx pool to be 1 =")
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}
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if len(pool.queue[from]) != 2 {
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t.Error("expected len(queue) == 2, got", len(pool.queue[from]))
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}
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}
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func TestRemoveTx(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction(0, big.NewInt(100), key)
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from, _ := tx.From()
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currentState, _ := pool.currentState()
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currentState.AddBalance(from, big.NewInt(1))
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pool.queueTx(tx.Hash(), tx)
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pool.addTx(tx.Hash(), from, tx)
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if len(pool.queue) != 1 {
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t.Error("expected queue to be 1, got", len(pool.queue))
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}
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if len(pool.pending) != 1 {
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t.Error("expected txs to be 1, got", len(pool.pending))
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}
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pool.RemoveTx(tx.Hash())
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if len(pool.queue) > 0 {
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t.Error("expected queue to be 0, got", len(pool.queue))
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}
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if len(pool.pending) > 0 {
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t.Error("expected txs to be 0, got", len(pool.pending))
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}
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}
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func TestNegativeValue(t *testing.T) {
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pool, key := setupTxPool()
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tx, _ := types.NewTransaction(0, common.Address{}, big.NewInt(-1), big.NewInt(100), big.NewInt(1), nil).SignECDSA(key)
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from, _ := tx.From()
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currentState, _ := pool.currentState()
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currentState.AddBalance(from, big.NewInt(1))
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if err := pool.Add(tx); err != ErrNegativeValue {
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t.Error("expected", ErrNegativeValue, "got", err)
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}
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}
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func TestTransactionChainFork(t *testing.T) {
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pool, key := setupTxPool()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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resetState := func() {
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db, _ := ethdb.NewMemDatabase()
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statedb, _ := state.New(common.Hash{}, db)
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pool.currentState = func() (*state.StateDB, error) { return statedb, nil }
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currentState, _ := pool.currentState()
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.resetState()
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}
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resetState()
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tx := transaction(0, big.NewInt(100000), key)
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if err := pool.add(tx); err != nil {
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t.Error("didn't expect error", err)
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}
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pool.RemoveTransactions([]*types.Transaction{tx})
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// reset the pool's internal state
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resetState()
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if err := pool.add(tx); err != nil {
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t.Error("didn't expect error", err)
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}
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}
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func TestTransactionDoubleNonce(t *testing.T) {
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pool, key := setupTxPool()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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resetState := func() {
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db, _ := ethdb.NewMemDatabase()
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statedb, _ := state.New(common.Hash{}, db)
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pool.currentState = func() (*state.StateDB, error) { return statedb, nil }
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currentState, _ := pool.currentState()
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.resetState()
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}
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resetState()
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tx := transaction(0, big.NewInt(100000), key)
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tx2 := transaction(0, big.NewInt(1000000), key)
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if err := pool.add(tx); err != nil {
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t.Error("didn't expect error", err)
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}
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if err := pool.add(tx2); err != nil {
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t.Error("didn't expect error", err)
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}
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pool.checkQueue()
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if len(pool.pending) != 2 {
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t.Error("expected 2 pending txs. Got", len(pool.pending))
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}
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}
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func TestMissingNonce(t *testing.T) {
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pool, key := setupTxPool()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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currentState, _ := pool.currentState()
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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tx := transaction(1, big.NewInt(100000), key)
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if err := pool.add(tx); err != nil {
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t.Error("didn't expect error", err)
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}
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if len(pool.pending) != 0 {
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t.Error("expected 0 pending transactions, got", len(pool.pending))
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}
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if len(pool.queue[addr]) != 1 {
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t.Error("expected 1 queued transaction, got", len(pool.queue[addr]))
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}
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}
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func TestNonceRecovery(t *testing.T) {
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const n = 10
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pool, key := setupTxPool()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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currentState, _ := pool.currentState()
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currentState.SetNonce(addr, n)
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.resetState()
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tx := transaction(n, big.NewInt(100000), key)
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if err := pool.Add(tx); err != nil {
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t.Error(err)
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}
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// simulate some weird re-order of transactions and missing nonce(s)
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currentState.SetNonce(addr, n-1)
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pool.resetState()
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if fn := pool.pendingState.GetNonce(addr); fn != n+1 {
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t.Errorf("expected nonce to be %d, got %d", n+1, fn)
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}
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}
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func TestRemovedTxEvent(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction(0, big.NewInt(1000000), key)
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from, _ := tx.From()
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currentState, _ := pool.currentState()
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currentState.AddBalance(from, big.NewInt(1000000000000))
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pool.eventMux.Post(RemovedTransactionEvent{types.Transactions{tx}})
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pool.eventMux.Post(ChainHeadEvent{nil})
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if len(pool.pending) != 1 {
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t.Error("expected 1 pending tx, got", len(pool.pending))
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}
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}
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