mirror of https://github.com/status-im/op-geth.git
1511 lines
55 KiB
Go
1511 lines
55 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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"fmt"
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"io/ioutil"
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"math/big"
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"math/rand"
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"os"
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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/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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"github.com/ethereum/go-ethereum/params"
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)
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// testTxPoolConfig is a transaction pool configuration without stateful disk
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// sideeffects used during testing.
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var testTxPoolConfig TxPoolConfig
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func init() {
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testTxPoolConfig = DefaultTxPoolConfig
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testTxPoolConfig.Journal = ""
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}
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type testBlockChain struct {
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statedb *state.StateDB
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gasLimit *big.Int
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chainHeadFeed *event.Feed
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rmTxFeed *event.Feed
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}
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func (bc *testBlockChain) State() (*state.StateDB, error) {
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return bc.statedb, nil
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}
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func (bc *testBlockChain) GasLimit() *big.Int {
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return new(big.Int).Set(bc.gasLimit)
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}
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func (bc *testBlockChain) SubscribeChainHeadEvent(ch chan<- ChainHeadEvent) event.Subscription {
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return bc.chainHeadFeed.Subscribe(ch)
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}
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func (bc *testBlockChain) SubscribeRemovedTxEvent(ch chan<- RemovedTransactionEvent) event.Subscription {
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return bc.rmTxFeed.Subscribe(ch)
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}
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func transaction(nonce uint64, gaslimit *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
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return pricedTransaction(nonce, gaslimit, big.NewInt(1), key)
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}
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func pricedTransaction(nonce uint64, gaslimit, gasprice *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
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tx, _ := types.SignTx(types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, gasprice, nil), types.HomesteadSigner{}, 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{}, state.NewDatabase(db))
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blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
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key, _ := crypto.GenerateKey()
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pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
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return pool, key
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}
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// validateTxPoolInternals checks various consistency invariants within the pool.
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func validateTxPoolInternals(pool *TxPool) error {
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pool.mu.RLock()
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defer pool.mu.RUnlock()
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// Ensure the total transaction set is consistent with pending + queued
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pending, queued := pool.stats()
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if total := len(pool.all); total != pending+queued {
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return fmt.Errorf("total transaction count %d != %d pending + %d queued", total, pending, queued)
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}
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if priced := pool.priced.items.Len() - pool.priced.stales; priced != pending+queued {
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return fmt.Errorf("total priced transaction count %d != %d pending + %d queued", priced, pending, queued)
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}
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// Ensure the next nonce to assign is the correct one
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for addr, txs := range pool.pending {
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// Find the last transaction
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var last uint64
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for nonce, _ := range txs.txs.items {
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if last < nonce {
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last = nonce
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}
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}
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if nonce := pool.pendingState.GetNonce(addr); nonce != last+1 {
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return fmt.Errorf("pending nonce mismatch: have %v, want %v", nonce, last+1)
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}
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}
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return nil
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}
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func deriveSender(tx *types.Transaction) (common.Address, error) {
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return types.Sender(types.HomesteadSigner{}, tx)
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}
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type testChain struct {
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*testBlockChain
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address common.Address
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trigger *bool
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}
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// testChain.State() is used multiple times to reset the pending state.
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// when simulate is true it will create a state that indicates
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// that tx0 and tx1 are included in the chain.
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func (c *testChain) State() (*state.StateDB, error) {
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// delay "state change" by one. The tx pool fetches the
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// state multiple times and by delaying it a bit we simulate
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// a state change between those fetches.
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stdb := c.statedb
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if *c.trigger {
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db, _ := ethdb.NewMemDatabase()
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c.statedb, _ = state.New(common.Hash{}, state.NewDatabase(db))
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// simulate that the new head block included tx0 and tx1
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c.statedb.SetNonce(c.address, 2)
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c.statedb.SetBalance(c.address, new(big.Int).SetUint64(params.Ether))
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*c.trigger = false
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}
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return stdb, nil
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}
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// This test simulates a scenario where a new block is imported during a
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// state reset and tests whether the pending state is in sync with the
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// block head event that initiated the resetState().
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func TestStateChangeDuringPoolReset(t *testing.T) {
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var (
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db, _ = ethdb.NewMemDatabase()
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key, _ = crypto.GenerateKey()
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address = crypto.PubkeyToAddress(key.PublicKey)
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statedb, _ = state.New(common.Hash{}, state.NewDatabase(db))
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trigger = false
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)
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// setup pool with 2 transaction in it
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statedb.SetBalance(address, new(big.Int).SetUint64(params.Ether))
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blockchain := &testChain{&testBlockChain{statedb, big.NewInt(1000000000), new(event.Feed), new(event.Feed)}, address, &trigger}
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tx0 := transaction(0, big.NewInt(100000), key)
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tx1 := transaction(1, big.NewInt(100000), key)
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pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
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defer pool.Stop()
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nonce := pool.State().GetNonce(address)
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if nonce != 0 {
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t.Fatalf("Invalid nonce, want 0, got %d", nonce)
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}
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pool.AddRemotes(types.Transactions{tx0, tx1})
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nonce = pool.State().GetNonce(address)
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if nonce != 2 {
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t.Fatalf("Invalid nonce, want 2, got %d", nonce)
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}
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// trigger state change in the background
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trigger = true
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pool.lockedReset()
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pendingTx, err := pool.Pending()
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if err != nil {
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t.Fatalf("Could not fetch pending transactions: %v", err)
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}
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for addr, txs := range pendingTx {
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t.Logf("%0x: %d\n", addr, len(txs))
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}
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nonce = pool.State().GetNonce(address)
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if nonce != 2 {
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t.Fatalf("Invalid nonce, want 2, got %d", nonce)
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}
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}
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func TestInvalidTransactions(t *testing.T) {
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pool, key := setupTxPool()
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defer pool.Stop()
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tx := transaction(0, big.NewInt(100), key)
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from, _ := deriveSender(tx)
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(from, big.NewInt(1))
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if err := pool.AddRemote(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.AddRemote(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.AddRemote(tx); err != ErrNonceTooLow {
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t.Error("expected", ErrNonceTooLow)
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}
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tx = transaction(1, big.NewInt(100000), key)
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pool.gasPrice = big.NewInt(1000)
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if err := pool.AddRemote(tx); err != ErrUnderpriced {
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t.Error("expected", ErrUnderpriced, "got", err)
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}
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if err := pool.AddLocal(tx); err != nil {
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t.Error("expected", nil, "got", err)
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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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defer pool.Stop()
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tx := transaction(0, big.NewInt(100), key)
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from, _ := deriveSender(tx)
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(from, big.NewInt(1000))
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pool.lockedReset()
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pool.enqueueTx(tx.Hash(), tx)
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pool.promoteExecutables(currentState, []common.Address{from})
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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, _ = deriveSender(tx)
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currentState.SetNonce(from, 2)
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pool.enqueueTx(tx.Hash(), tx)
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pool.promoteExecutables(currentState, []common.Address{from})
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if _, ok := pool.pending[from].txs.items[tx.Nonce()]; 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) > 0 {
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t.Error("expected transaction queue to be empty. is", len(pool.queue))
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}
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pool, key = setupTxPool()
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defer pool.Stop()
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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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from, _ = deriveSender(tx1)
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currentState, _ = pool.blockChain.State()
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currentState.AddBalance(from, big.NewInt(1000))
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pool.lockedReset()
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pool.enqueueTx(tx1.Hash(), tx1)
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pool.enqueueTx(tx2.Hash(), tx2)
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pool.enqueueTx(tx3.Hash(), tx3)
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pool.promoteExecutables(currentState, []common.Address{from})
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if len(pool.pending) != 1 {
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t.Error("expected tx pool to be 1, got", len(pool.pending))
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}
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if pool.queue[from].Len() != 2 {
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t.Error("expected len(queue) == 2, got", pool.queue[from].Len())
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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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defer pool.Stop()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(addr, big.NewInt(1))
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tx1 := transaction(0, big.NewInt(100), key)
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tx2 := transaction(2, big.NewInt(100), key)
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pool.promoteTx(addr, tx1.Hash(), tx1)
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pool.enqueueTx(tx2.Hash(), tx2)
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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 pending to be 1, got", len(pool.pending))
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}
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pool.Remove(tx1.Hash())
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pool.Remove(tx2.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 pending 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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defer pool.Stop()
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tx, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(-1), big.NewInt(100), big.NewInt(1), nil), types.HomesteadSigner{}, key)
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from, _ := deriveSender(tx)
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(from, big.NewInt(1))
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if err := pool.AddRemote(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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defer pool.Stop()
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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{}, state.NewDatabase(db))
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pool.blockChain = &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.lockedReset()
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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, false); err != nil {
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t.Error("didn't expect error", err)
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}
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pool.RemoveBatch([]*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, false); 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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defer pool.Stop()
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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{}, state.NewDatabase(db))
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pool.blockChain = &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.lockedReset()
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}
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resetState()
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signer := types.HomesteadSigner{}
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tx1, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(100000), big.NewInt(1), nil), signer, key)
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tx2, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(2), nil), signer, key)
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tx3, _ := types.SignTx(types.NewTransaction(0, common.Address{}, big.NewInt(100), big.NewInt(1000000), big.NewInt(1), nil), signer, key)
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// Add the first two transaction, ensure higher priced stays only
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if replace, err := pool.add(tx1, false); err != nil || replace {
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t.Errorf("first transaction insert failed (%v) or reported replacement (%v)", err, replace)
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}
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if replace, err := pool.add(tx2, false); err != nil || !replace {
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t.Errorf("second transaction insert failed (%v) or not reported replacement (%v)", err, replace)
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}
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state, _ := pool.blockChain.State()
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pool.promoteExecutables(state, []common.Address{addr})
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if pool.pending[addr].Len() != 1 {
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t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
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}
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if tx := pool.pending[addr].txs.items[0]; tx.Hash() != tx2.Hash() {
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t.Errorf("transaction mismatch: have %x, want %x", tx.Hash(), tx2.Hash())
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}
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// Add the third transaction and ensure it's not saved (smaller price)
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pool.add(tx3, false)
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pool.promoteExecutables(state, []common.Address{addr})
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if pool.pending[addr].Len() != 1 {
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t.Error("expected 1 pending transactions, got", pool.pending[addr].Len())
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}
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if tx := pool.pending[addr].txs.items[0]; tx.Hash() != tx2.Hash() {
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t.Errorf("transaction mismatch: have %x, want %x", tx.Hash(), tx2.Hash())
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}
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// Ensure the total transaction count is correct
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if len(pool.all) != 1 {
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t.Error("expected 1 total transactions, got", len(pool.all))
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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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defer pool.Stop()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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currentState, _ := pool.blockChain.State()
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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, false); 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 pool.queue[addr].Len() != 1 {
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t.Error("expected 1 queued transaction, got", pool.queue[addr].Len())
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}
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if len(pool.all) != 1 {
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t.Error("expected 1 total transactions, got", len(pool.all))
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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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defer pool.Stop()
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addr := crypto.PubkeyToAddress(key.PublicKey)
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currentState, _ := pool.blockChain.State()
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currentState.SetNonce(addr, n)
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currentState.AddBalance(addr, big.NewInt(100000000000000))
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pool.lockedReset()
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tx := transaction(n, big.NewInt(100000), key)
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if err := pool.AddRemote(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.lockedReset()
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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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defer pool.Stop()
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tx := transaction(0, big.NewInt(1000000), key)
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from, _ := deriveSender(tx)
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currentState, _ := pool.blockChain.State()
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currentState.AddBalance(from, big.NewInt(1000000000000))
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pool.lockedReset()
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blockChain, _ := pool.blockChain.(*testBlockChain)
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blockChain.rmTxFeed.Send(RemovedTransactionEvent{types.Transactions{tx}})
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blockChain.chainHeadFeed.Send(ChainHeadEvent{nil})
|
|
// wait for handling events
|
|
<-time.After(500 * time.Millisecond)
|
|
if pool.pending[from].Len() != 1 {
|
|
t.Error("expected 1 pending tx, got", pool.pending[from].Len())
|
|
}
|
|
if len(pool.all) != 1 {
|
|
t.Error("expected 1 total transactions, got", len(pool.all))
|
|
}
|
|
}
|
|
|
|
// Tests that if an account runs out of funds, any pending and queued transactions
|
|
// are dropped.
|
|
func TestTransactionDropping(t *testing.T) {
|
|
// Create a test account and fund it
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000))
|
|
|
|
// Add some pending and some queued transactions
|
|
var (
|
|
tx0 = transaction(0, big.NewInt(100), key)
|
|
tx1 = transaction(1, big.NewInt(200), key)
|
|
tx2 = transaction(2, big.NewInt(300), key)
|
|
tx10 = transaction(10, big.NewInt(100), key)
|
|
tx11 = transaction(11, big.NewInt(200), key)
|
|
tx12 = transaction(12, big.NewInt(300), key)
|
|
)
|
|
pool.promoteTx(account, tx0.Hash(), tx0)
|
|
pool.promoteTx(account, tx1.Hash(), tx1)
|
|
pool.promoteTx(account, tx2.Hash(), tx2)
|
|
pool.enqueueTx(tx10.Hash(), tx10)
|
|
pool.enqueueTx(tx11.Hash(), tx11)
|
|
pool.enqueueTx(tx12.Hash(), tx12)
|
|
|
|
// Check that pre and post validations leave the pool as is
|
|
if pool.pending[account].Len() != 3 {
|
|
t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), 3)
|
|
}
|
|
if pool.queue[account].Len() != 3 {
|
|
t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 3)
|
|
}
|
|
if len(pool.all) != 6 {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), 6)
|
|
}
|
|
pool.lockedReset()
|
|
if pool.pending[account].Len() != 3 {
|
|
t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), 3)
|
|
}
|
|
if pool.queue[account].Len() != 3 {
|
|
t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 3)
|
|
}
|
|
if len(pool.all) != 6 {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), 6)
|
|
}
|
|
// Reduce the balance of the account, and check that invalidated transactions are dropped
|
|
state.AddBalance(account, big.NewInt(-650))
|
|
pool.lockedReset()
|
|
|
|
if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
|
|
t.Errorf("funded pending transaction missing: %v", tx0)
|
|
}
|
|
if _, ok := pool.pending[account].txs.items[tx1.Nonce()]; !ok {
|
|
t.Errorf("funded pending transaction missing: %v", tx0)
|
|
}
|
|
if _, ok := pool.pending[account].txs.items[tx2.Nonce()]; ok {
|
|
t.Errorf("out-of-fund pending transaction present: %v", tx1)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx10.Nonce()]; !ok {
|
|
t.Errorf("funded queued transaction missing: %v", tx10)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx11.Nonce()]; !ok {
|
|
t.Errorf("funded queued transaction missing: %v", tx10)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx12.Nonce()]; ok {
|
|
t.Errorf("out-of-fund queued transaction present: %v", tx11)
|
|
}
|
|
if len(pool.all) != 4 {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), 4)
|
|
}
|
|
// Reduce the block gas limit, check that invalidated transactions are dropped
|
|
pool.blockChain.(*testBlockChain).gasLimit = big.NewInt(100)
|
|
pool.lockedReset()
|
|
|
|
if _, ok := pool.pending[account].txs.items[tx0.Nonce()]; !ok {
|
|
t.Errorf("funded pending transaction missing: %v", tx0)
|
|
}
|
|
if _, ok := pool.pending[account].txs.items[tx1.Nonce()]; ok {
|
|
t.Errorf("over-gased pending transaction present: %v", tx1)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx10.Nonce()]; !ok {
|
|
t.Errorf("funded queued transaction missing: %v", tx10)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx11.Nonce()]; ok {
|
|
t.Errorf("over-gased queued transaction present: %v", tx11)
|
|
}
|
|
if len(pool.all) != 2 {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), 2)
|
|
}
|
|
}
|
|
|
|
// Tests that if a transaction is dropped from the current pending pool (e.g. out
|
|
// of fund), all consecutive (still valid, but not executable) transactions are
|
|
// postponed back into the future queue to prevent broadcasting them.
|
|
func TestTransactionPostponing(t *testing.T) {
|
|
// Create a test account and fund it
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000))
|
|
|
|
// Add a batch consecutive pending transactions for validation
|
|
txns := []*types.Transaction{}
|
|
for i := 0; i < 100; i++ {
|
|
var tx *types.Transaction
|
|
if i%2 == 0 {
|
|
tx = transaction(uint64(i), big.NewInt(100), key)
|
|
} else {
|
|
tx = transaction(uint64(i), big.NewInt(500), key)
|
|
}
|
|
pool.promoteTx(account, tx.Hash(), tx)
|
|
txns = append(txns, tx)
|
|
}
|
|
// Check that pre and post validations leave the pool as is
|
|
if pool.pending[account].Len() != len(txns) {
|
|
t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), len(txns))
|
|
}
|
|
if len(pool.queue) != 0 {
|
|
t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 0)
|
|
}
|
|
if len(pool.all) != len(txns) {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), len(txns))
|
|
}
|
|
pool.lockedReset()
|
|
if pool.pending[account].Len() != len(txns) {
|
|
t.Errorf("pending transaction mismatch: have %d, want %d", pool.pending[account].Len(), len(txns))
|
|
}
|
|
if len(pool.queue) != 0 {
|
|
t.Errorf("queued transaction mismatch: have %d, want %d", pool.queue[account].Len(), 0)
|
|
}
|
|
if len(pool.all) != len(txns) {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), len(txns))
|
|
}
|
|
// Reduce the balance of the account, and check that transactions are reorganised
|
|
state.AddBalance(account, big.NewInt(-750))
|
|
pool.lockedReset()
|
|
|
|
if _, ok := pool.pending[account].txs.items[txns[0].Nonce()]; !ok {
|
|
t.Errorf("tx %d: valid and funded transaction missing from pending pool: %v", 0, txns[0])
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[txns[0].Nonce()]; ok {
|
|
t.Errorf("tx %d: valid and funded transaction present in future queue: %v", 0, txns[0])
|
|
}
|
|
for i, tx := range txns[1:] {
|
|
if i%2 == 1 {
|
|
if _, ok := pool.pending[account].txs.items[tx.Nonce()]; ok {
|
|
t.Errorf("tx %d: valid but future transaction present in pending pool: %v", i+1, tx)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx.Nonce()]; !ok {
|
|
t.Errorf("tx %d: valid but future transaction missing from future queue: %v", i+1, tx)
|
|
}
|
|
} else {
|
|
if _, ok := pool.pending[account].txs.items[tx.Nonce()]; ok {
|
|
t.Errorf("tx %d: out-of-fund transaction present in pending pool: %v", i+1, tx)
|
|
}
|
|
if _, ok := pool.queue[account].txs.items[tx.Nonce()]; ok {
|
|
t.Errorf("tx %d: out-of-fund transaction present in future queue: %v", i+1, tx)
|
|
}
|
|
}
|
|
}
|
|
if len(pool.all) != len(txns)/2 {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), len(txns)/2)
|
|
}
|
|
}
|
|
|
|
// Tests that if the transaction count belonging to a single account goes above
|
|
// some threshold, the higher transactions are dropped to prevent DOS attacks.
|
|
func TestTransactionQueueAccountLimiting(t *testing.T) {
|
|
// Create a test account and fund it
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
pool.lockedReset()
|
|
|
|
// Keep queuing up transactions and make sure all above a limit are dropped
|
|
for i := uint64(1); i <= testTxPoolConfig.AccountQueue+5; i++ {
|
|
if err := pool.AddRemote(transaction(i, big.NewInt(100000), key)); err != nil {
|
|
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
|
|
}
|
|
if len(pool.pending) != 0 {
|
|
t.Errorf("tx %d: pending pool size mismatch: have %d, want %d", i, len(pool.pending), 0)
|
|
}
|
|
if i <= testTxPoolConfig.AccountQueue {
|
|
if pool.queue[account].Len() != int(i) {
|
|
t.Errorf("tx %d: queue size mismatch: have %d, want %d", i, pool.queue[account].Len(), i)
|
|
}
|
|
} else {
|
|
if pool.queue[account].Len() != int(testTxPoolConfig.AccountQueue) {
|
|
t.Errorf("tx %d: queue limit mismatch: have %d, want %d", i, pool.queue[account].Len(), testTxPoolConfig.AccountQueue)
|
|
}
|
|
}
|
|
}
|
|
if len(pool.all) != int(testTxPoolConfig.AccountQueue) {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), testTxPoolConfig.AccountQueue)
|
|
}
|
|
}
|
|
|
|
// Tests that if the transaction count belonging to multiple accounts go above
|
|
// some threshold, the higher transactions are dropped to prevent DOS attacks.
|
|
//
|
|
// This logic should not hold for local transactions, unless the local tracking
|
|
// mechanism is disabled.
|
|
func TestTransactionQueueGlobalLimiting(t *testing.T) {
|
|
testTransactionQueueGlobalLimiting(t, false)
|
|
}
|
|
func TestTransactionQueueGlobalLimitingNoLocals(t *testing.T) {
|
|
testTransactionQueueGlobalLimiting(t, true)
|
|
}
|
|
|
|
func testTransactionQueueGlobalLimiting(t *testing.T, nolocals bool) {
|
|
// Create the pool to test the limit enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.NoLocals = nolocals
|
|
config.GlobalQueue = config.AccountQueue*3 - 1 // reduce the queue limits to shorten test time (-1 to make it non divisible)
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them (last one will be the local)
|
|
state, _ := pool.blockChain.State()
|
|
|
|
keys := make([]*ecdsa.PrivateKey, 5)
|
|
for i := 0; i < len(keys); i++ {
|
|
keys[i], _ = crypto.GenerateKey()
|
|
state.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
|
|
}
|
|
local := keys[len(keys)-1]
|
|
|
|
// Generate and queue a batch of transactions
|
|
nonces := make(map[common.Address]uint64)
|
|
|
|
txs := make(types.Transactions, 0, 3*config.GlobalQueue)
|
|
for len(txs) < cap(txs) {
|
|
key := keys[rand.Intn(len(keys)-1)] // skip adding transactions with the local account
|
|
addr := crypto.PubkeyToAddress(key.PublicKey)
|
|
|
|
txs = append(txs, transaction(nonces[addr]+1, big.NewInt(100000), key))
|
|
nonces[addr]++
|
|
}
|
|
// Import the batch and verify that limits have been enforced
|
|
pool.AddRemotes(txs)
|
|
|
|
queued := 0
|
|
for addr, list := range pool.queue {
|
|
if list.Len() > int(config.AccountQueue) {
|
|
t.Errorf("addr %x: queued accounts overflown allowance: %d > %d", addr, list.Len(), config.AccountQueue)
|
|
}
|
|
queued += list.Len()
|
|
}
|
|
if queued > int(config.GlobalQueue) {
|
|
t.Fatalf("total transactions overflow allowance: %d > %d", queued, config.GlobalQueue)
|
|
}
|
|
// Generate a batch of transactions from the local account and import them
|
|
txs = txs[:0]
|
|
for i := uint64(0); i < 3*config.GlobalQueue; i++ {
|
|
txs = append(txs, transaction(i+1, big.NewInt(100000), local))
|
|
}
|
|
pool.AddLocals(txs)
|
|
|
|
// If locals are disabled, the previous eviction algorithm should apply here too
|
|
if nolocals {
|
|
queued := 0
|
|
for addr, list := range pool.queue {
|
|
if list.Len() > int(config.AccountQueue) {
|
|
t.Errorf("addr %x: queued accounts overflown allowance: %d > %d", addr, list.Len(), config.AccountQueue)
|
|
}
|
|
queued += list.Len()
|
|
}
|
|
if queued > int(config.GlobalQueue) {
|
|
t.Fatalf("total transactions overflow allowance: %d > %d", queued, config.GlobalQueue)
|
|
}
|
|
} else {
|
|
// Local exemptions are enabled, make sure the local account owned the queue
|
|
if len(pool.queue) != 1 {
|
|
t.Errorf("multiple accounts in queue: have %v, want %v", len(pool.queue), 1)
|
|
}
|
|
// Also ensure no local transactions are ever dropped, even if above global limits
|
|
if queued := pool.queue[crypto.PubkeyToAddress(local.PublicKey)].Len(); uint64(queued) != 3*config.GlobalQueue {
|
|
t.Fatalf("local account queued transaction count mismatch: have %v, want %v", queued, 3*config.GlobalQueue)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Tests that if an account remains idle for a prolonged amount of time, any
|
|
// non-executable transactions queued up are dropped to prevent wasting resources
|
|
// on shuffling them around.
|
|
//
|
|
// This logic should not hold for local transactions, unless the local tracking
|
|
// mechanism is disabled.
|
|
func TestTransactionQueueTimeLimiting(t *testing.T) { testTransactionQueueTimeLimiting(t, false) }
|
|
func TestTransactionQueueTimeLimitingNoLocals(t *testing.T) { testTransactionQueueTimeLimiting(t, true) }
|
|
|
|
func testTransactionQueueTimeLimiting(t *testing.T, nolocals bool) {
|
|
// Reduce the eviction interval to a testable amount
|
|
defer func(old time.Duration) { evictionInterval = old }(evictionInterval)
|
|
evictionInterval = time.Second
|
|
|
|
// Create the pool to test the non-expiration enforcement
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.Lifetime = time.Second
|
|
config.NoLocals = nolocals
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create two test accounts to ensure remotes expire but locals do not
|
|
local, _ := crypto.GenerateKey()
|
|
remote, _ := crypto.GenerateKey()
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(crypto.PubkeyToAddress(local.PublicKey), big.NewInt(1000000000))
|
|
state.AddBalance(crypto.PubkeyToAddress(remote.PublicKey), big.NewInt(1000000000))
|
|
|
|
// Add the two transactions and ensure they both are queued up
|
|
if err := pool.AddLocal(pricedTransaction(1, big.NewInt(100000), big.NewInt(1), local)); err != nil {
|
|
t.Fatalf("failed to add local transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(1, big.NewInt(100000), big.NewInt(1), remote)); err != nil {
|
|
t.Fatalf("failed to add remote transaction: %v", err)
|
|
}
|
|
pending, queued := pool.Stats()
|
|
if pending != 0 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
|
|
}
|
|
if queued != 2 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Wait a bit for eviction to run and clean up any leftovers, and ensure only the local remains
|
|
time.Sleep(2 * config.Lifetime)
|
|
|
|
pending, queued = pool.Stats()
|
|
if pending != 0 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
|
|
}
|
|
if nolocals {
|
|
if queued != 0 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
|
|
}
|
|
} else {
|
|
if queued != 1 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
|
|
}
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that even if the transaction count belonging to a single account goes
|
|
// above some threshold, as long as the transactions are executable, they are
|
|
// accepted.
|
|
func TestTransactionPendingLimiting(t *testing.T) {
|
|
// Create a test account and fund it
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
pool.lockedReset()
|
|
|
|
// Keep queuing up transactions and make sure all above a limit are dropped
|
|
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
|
|
if err := pool.AddRemote(transaction(i, big.NewInt(100000), key)); err != nil {
|
|
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
|
|
}
|
|
if pool.pending[account].Len() != int(i)+1 {
|
|
t.Errorf("tx %d: pending pool size mismatch: have %d, want %d", i, pool.pending[account].Len(), i+1)
|
|
}
|
|
if len(pool.queue) != 0 {
|
|
t.Errorf("tx %d: queue size mismatch: have %d, want %d", i, pool.queue[account].Len(), 0)
|
|
}
|
|
}
|
|
if len(pool.all) != int(testTxPoolConfig.AccountQueue+5) {
|
|
t.Errorf("total transaction mismatch: have %d, want %d", len(pool.all), testTxPoolConfig.AccountQueue+5)
|
|
}
|
|
}
|
|
|
|
// Tests that the transaction limits are enforced the same way irrelevant whether
|
|
// the transactions are added one by one or in batches.
|
|
func TestTransactionQueueLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 1) }
|
|
func TestTransactionPendingLimitingEquivalency(t *testing.T) { testTransactionLimitingEquivalency(t, 0) }
|
|
|
|
func testTransactionLimitingEquivalency(t *testing.T, origin uint64) {
|
|
// Add a batch of transactions to a pool one by one
|
|
pool1, key1 := setupTxPool()
|
|
defer pool1.Stop()
|
|
|
|
account1, _ := deriveSender(transaction(0, big.NewInt(0), key1))
|
|
state1, _ := pool1.blockChain.State()
|
|
state1.AddBalance(account1, big.NewInt(1000000))
|
|
|
|
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
|
|
if err := pool1.AddRemote(transaction(origin+i, big.NewInt(100000), key1)); err != nil {
|
|
t.Fatalf("tx %d: failed to add transaction: %v", i, err)
|
|
}
|
|
}
|
|
// Add a batch of transactions to a pool in one big batch
|
|
pool2, key2 := setupTxPool()
|
|
defer pool2.Stop()
|
|
|
|
account2, _ := deriveSender(transaction(0, big.NewInt(0), key2))
|
|
state2, _ := pool2.blockChain.State()
|
|
state2.AddBalance(account2, big.NewInt(1000000))
|
|
|
|
txns := []*types.Transaction{}
|
|
for i := uint64(0); i < testTxPoolConfig.AccountQueue+5; i++ {
|
|
txns = append(txns, transaction(origin+i, big.NewInt(100000), key2))
|
|
}
|
|
pool2.AddRemotes(txns)
|
|
|
|
// Ensure the batch optimization honors the same pool mechanics
|
|
if len(pool1.pending) != len(pool2.pending) {
|
|
t.Errorf("pending transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.pending), len(pool2.pending))
|
|
}
|
|
if len(pool1.queue) != len(pool2.queue) {
|
|
t.Errorf("queued transaction count mismatch: one-by-one algo: %d, batch algo: %d", len(pool1.queue), len(pool2.queue))
|
|
}
|
|
if len(pool1.all) != len(pool2.all) {
|
|
t.Errorf("total transaction count mismatch: one-by-one algo %d, batch algo %d", len(pool1.all), len(pool2.all))
|
|
}
|
|
if err := validateTxPoolInternals(pool1); err != nil {
|
|
t.Errorf("pool 1 internal state corrupted: %v", err)
|
|
}
|
|
if err := validateTxPoolInternals(pool2); err != nil {
|
|
t.Errorf("pool 2 internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that if the transaction count belonging to multiple accounts go above
|
|
// some hard threshold, the higher transactions are dropped to prevent DOS
|
|
// attacks.
|
|
func TestTransactionPendingGlobalLimiting(t *testing.T) {
|
|
// Create the pool to test the limit enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.GlobalSlots = config.AccountSlots * 10
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them
|
|
state, _ := pool.blockChain.State()
|
|
|
|
keys := make([]*ecdsa.PrivateKey, 5)
|
|
for i := 0; i < len(keys); i++ {
|
|
keys[i], _ = crypto.GenerateKey()
|
|
state.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
|
|
}
|
|
// Generate and queue a batch of transactions
|
|
nonces := make(map[common.Address]uint64)
|
|
|
|
txs := types.Transactions{}
|
|
for _, key := range keys {
|
|
addr := crypto.PubkeyToAddress(key.PublicKey)
|
|
for j := 0; j < int(config.GlobalSlots)/len(keys)*2; j++ {
|
|
txs = append(txs, transaction(nonces[addr], big.NewInt(100000), key))
|
|
nonces[addr]++
|
|
}
|
|
}
|
|
// Import the batch and verify that limits have been enforced
|
|
pool.AddRemotes(txs)
|
|
|
|
pending := 0
|
|
for _, list := range pool.pending {
|
|
pending += list.Len()
|
|
}
|
|
if pending > int(config.GlobalSlots) {
|
|
t.Fatalf("total pending transactions overflow allowance: %d > %d", pending, config.GlobalSlots)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that if transactions start being capped, transasctions are also removed from 'all'
|
|
func TestTransactionCapClearsFromAll(t *testing.T) {
|
|
// Create the pool to test the limit enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.AccountSlots = 2
|
|
config.AccountQueue = 2
|
|
config.GlobalSlots = 8
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them
|
|
state, _ := pool.blockChain.State()
|
|
|
|
key, _ := crypto.GenerateKey()
|
|
addr := crypto.PubkeyToAddress(key.PublicKey)
|
|
state.AddBalance(addr, big.NewInt(1000000))
|
|
|
|
txs := types.Transactions{}
|
|
for j := 0; j < int(config.GlobalSlots)*2; j++ {
|
|
txs = append(txs, transaction(uint64(j), big.NewInt(100000), key))
|
|
}
|
|
// Import the batch and verify that limits have been enforced
|
|
pool.AddRemotes(txs)
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that if the transaction count belonging to multiple accounts go above
|
|
// some hard threshold, if they are under the minimum guaranteed slot count then
|
|
// the transactions are still kept.
|
|
func TestTransactionPendingMinimumAllowance(t *testing.T) {
|
|
// Create the pool to test the limit enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.GlobalSlots = 0
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them
|
|
state, _ := pool.blockChain.State()
|
|
|
|
keys := make([]*ecdsa.PrivateKey, 5)
|
|
for i := 0; i < len(keys); i++ {
|
|
keys[i], _ = crypto.GenerateKey()
|
|
state.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
|
|
}
|
|
// Generate and queue a batch of transactions
|
|
nonces := make(map[common.Address]uint64)
|
|
|
|
txs := types.Transactions{}
|
|
for _, key := range keys {
|
|
addr := crypto.PubkeyToAddress(key.PublicKey)
|
|
for j := 0; j < int(config.AccountSlots)*2; j++ {
|
|
txs = append(txs, transaction(nonces[addr], big.NewInt(100000), key))
|
|
nonces[addr]++
|
|
}
|
|
}
|
|
// Import the batch and verify that limits have been enforced
|
|
pool.AddRemotes(txs)
|
|
|
|
for addr, list := range pool.pending {
|
|
if list.Len() != int(config.AccountSlots) {
|
|
t.Errorf("addr %x: total pending transactions mismatch: have %d, want %d", addr, list.Len(), config.AccountSlots)
|
|
}
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that setting the transaction pool gas price to a higher value correctly
|
|
// discards everything cheaper than that and moves any gapped transactions back
|
|
// from the pending pool to the queue.
|
|
//
|
|
// Note, local transactions are never allowed to be dropped.
|
|
func TestTransactionPoolRepricing(t *testing.T) {
|
|
// Create the pool to test the pricing enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them
|
|
state, _ := pool.blockChain.State()
|
|
|
|
keys := make([]*ecdsa.PrivateKey, 3)
|
|
for i := 0; i < len(keys); i++ {
|
|
keys[i], _ = crypto.GenerateKey()
|
|
state.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
|
|
}
|
|
// Generate and queue a batch of transactions, both pending and queued
|
|
txs := types.Transactions{}
|
|
|
|
txs = append(txs, pricedTransaction(0, big.NewInt(100000), big.NewInt(2), keys[0]))
|
|
txs = append(txs, pricedTransaction(1, big.NewInt(100000), big.NewInt(1), keys[0]))
|
|
txs = append(txs, pricedTransaction(2, big.NewInt(100000), big.NewInt(2), keys[0]))
|
|
|
|
txs = append(txs, pricedTransaction(1, big.NewInt(100000), big.NewInt(2), keys[1]))
|
|
txs = append(txs, pricedTransaction(2, big.NewInt(100000), big.NewInt(1), keys[1]))
|
|
txs = append(txs, pricedTransaction(3, big.NewInt(100000), big.NewInt(2), keys[1]))
|
|
|
|
ltx := pricedTransaction(0, big.NewInt(100000), big.NewInt(1), keys[2])
|
|
|
|
// Import the batch and that both pending and queued transactions match up
|
|
pool.AddRemotes(txs)
|
|
pool.AddLocal(ltx)
|
|
|
|
pending, queued := pool.Stats()
|
|
if pending != 4 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 4)
|
|
}
|
|
if queued != 3 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 3)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Reprice the pool and check that underpriced transactions get dropped
|
|
pool.SetGasPrice(big.NewInt(2))
|
|
|
|
pending, queued = pool.Stats()
|
|
if pending != 2 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
|
|
}
|
|
if queued != 3 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 3)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Check that we can't add the old transactions back
|
|
if err := pool.AddRemote(pricedTransaction(1, big.NewInt(100000), big.NewInt(1), keys[0])); err != ErrUnderpriced {
|
|
t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(1), keys[1])); err != ErrUnderpriced {
|
|
t.Fatalf("adding underpriced queued transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// However we can add local underpriced transactions
|
|
tx := pricedTransaction(1, big.NewInt(100000), big.NewInt(1), keys[2])
|
|
if err := pool.AddLocal(tx); err != nil {
|
|
t.Fatalf("failed to add underpriced local transaction: %v", err)
|
|
}
|
|
if pending, _ = pool.Stats(); pending != 3 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that when the pool reaches its global transaction limit, underpriced
|
|
// transactions are gradually shifted out for more expensive ones and any gapped
|
|
// pending transactions are moved into te queue.
|
|
//
|
|
// Note, local transactions are never allowed to be dropped.
|
|
func TestTransactionPoolUnderpricing(t *testing.T) {
|
|
// Create the pool to test the pricing enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.GlobalSlots = 2
|
|
config.GlobalQueue = 2
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a number of test accounts and fund them
|
|
state, _ := pool.blockChain.State()
|
|
|
|
keys := make([]*ecdsa.PrivateKey, 3)
|
|
for i := 0; i < len(keys); i++ {
|
|
keys[i], _ = crypto.GenerateKey()
|
|
state.AddBalance(crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
|
|
}
|
|
// Generate and queue a batch of transactions, both pending and queued
|
|
txs := types.Transactions{}
|
|
|
|
txs = append(txs, pricedTransaction(0, big.NewInt(100000), big.NewInt(1), keys[0]))
|
|
txs = append(txs, pricedTransaction(1, big.NewInt(100000), big.NewInt(2), keys[0]))
|
|
|
|
txs = append(txs, pricedTransaction(1, big.NewInt(100000), big.NewInt(1), keys[1]))
|
|
|
|
ltx := pricedTransaction(0, big.NewInt(100000), big.NewInt(1), keys[2])
|
|
|
|
// Import the batch and that both pending and queued transactions match up
|
|
pool.AddRemotes(txs)
|
|
pool.AddLocal(ltx)
|
|
|
|
pending, queued := pool.Stats()
|
|
if pending != 3 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
|
|
}
|
|
if queued != 1 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Ensure that adding an underpriced transaction on block limit fails
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(1), keys[1])); err != ErrUnderpriced {
|
|
t.Fatalf("adding underpriced pending transaction error mismatch: have %v, want %v", err, ErrUnderpriced)
|
|
}
|
|
// Ensure that adding high priced transactions drops cheap ones, but not own
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(3), keys[1])); err != nil {
|
|
t.Fatalf("failed to add well priced transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(4), keys[1])); err != nil {
|
|
t.Fatalf("failed to add well priced transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(3, big.NewInt(100000), big.NewInt(5), keys[1])); err != nil {
|
|
t.Fatalf("failed to add well priced transaction: %v", err)
|
|
}
|
|
pending, queued = pool.Stats()
|
|
if pending != 2 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
|
|
}
|
|
if queued != 2 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Ensure that adding local transactions can push out even higher priced ones
|
|
tx := pricedTransaction(1, big.NewInt(100000), big.NewInt(0), keys[2])
|
|
if err := pool.AddLocal(tx); err != nil {
|
|
t.Fatalf("failed to add underpriced local transaction: %v", err)
|
|
}
|
|
pending, queued = pool.Stats()
|
|
if pending != 2 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
|
|
}
|
|
if queued != 2 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that the pool rejects replacement transactions that don't meet the minimum
|
|
// price bump required.
|
|
func TestTransactionReplacement(t *testing.T) {
|
|
// Create the pool to test the pricing enforcement with
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
pool := NewTxPool(testTxPoolConfig, params.TestChainConfig, blockchain)
|
|
defer pool.Stop()
|
|
|
|
// Create a test account to add transactions with
|
|
key, _ := crypto.GenerateKey()
|
|
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(1000000000))
|
|
|
|
// Add pending transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
|
|
price := int64(100)
|
|
threshold := (price * (100 + int64(testTxPoolConfig.PriceBump))) / 100
|
|
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(1), key)); err != nil {
|
|
t.Fatalf("failed to add original cheap pending transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100001), big.NewInt(1), key)); err != ErrReplaceUnderpriced {
|
|
t.Fatalf("original cheap pending transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(2), key)); err != nil {
|
|
t.Fatalf("failed to replace original cheap pending transaction: %v", err)
|
|
}
|
|
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(price), key)); err != nil {
|
|
t.Fatalf("failed to add original proper pending transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(threshold), key)); err != ErrReplaceUnderpriced {
|
|
t.Fatalf("original proper pending transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(threshold+1), key)); err != nil {
|
|
t.Fatalf("failed to replace original proper pending transaction: %v", err)
|
|
}
|
|
// Add queued transactions, ensuring the minimum price bump is enforced for replacement (for ultra low prices too)
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(1), key)); err != nil {
|
|
t.Fatalf("failed to add original queued transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100001), big.NewInt(1), key)); err != ErrReplaceUnderpriced {
|
|
t.Fatalf("original queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(2), key)); err != nil {
|
|
t.Fatalf("failed to replace original queued transaction: %v", err)
|
|
}
|
|
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(price), key)); err != nil {
|
|
t.Fatalf("failed to add original queued transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100001), big.NewInt(threshold), key)); err != ErrReplaceUnderpriced {
|
|
t.Fatalf("original queued transaction replacement error mismatch: have %v, want %v", err, ErrReplaceUnderpriced)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(2, big.NewInt(100000), big.NewInt(threshold+1), key)); err != nil {
|
|
t.Fatalf("failed to replace original queued transaction: %v", err)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
}
|
|
|
|
// Tests that local transactions are journaled to disk, but remote transactions
|
|
// get discarded between restarts.
|
|
func TestTransactionJournaling(t *testing.T) { testTransactionJournaling(t, false) }
|
|
func TestTransactionJournalingNoLocals(t *testing.T) { testTransactionJournaling(t, true) }
|
|
|
|
func testTransactionJournaling(t *testing.T, nolocals bool) {
|
|
// Create a temporary file for the journal
|
|
file, err := ioutil.TempFile("", "")
|
|
if err != nil {
|
|
t.Fatalf("failed to create temporary journal: %v", err)
|
|
}
|
|
journal := file.Name()
|
|
defer os.Remove(journal)
|
|
|
|
// Clean up the temporary file, we only need the path for now
|
|
file.Close()
|
|
os.Remove(journal)
|
|
|
|
// Create the original pool to inject transaction into the journal
|
|
db, _ := ethdb.NewMemDatabase()
|
|
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
|
|
blockchain := &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
|
|
config := testTxPoolConfig
|
|
config.NoLocals = nolocals
|
|
config.Journal = journal
|
|
config.Rejournal = time.Second
|
|
|
|
pool := NewTxPool(config, params.TestChainConfig, blockchain)
|
|
|
|
// Create two test accounts to ensure remotes expire but locals do not
|
|
local, _ := crypto.GenerateKey()
|
|
remote, _ := crypto.GenerateKey()
|
|
|
|
statedb, _ = pool.blockChain.State()
|
|
statedb.AddBalance(crypto.PubkeyToAddress(local.PublicKey), big.NewInt(1000000000))
|
|
statedb.AddBalance(crypto.PubkeyToAddress(remote.PublicKey), big.NewInt(1000000000))
|
|
|
|
// Add three local and a remote transactions and ensure they are queued up
|
|
if err := pool.AddLocal(pricedTransaction(0, big.NewInt(100000), big.NewInt(1), local)); err != nil {
|
|
t.Fatalf("failed to add local transaction: %v", err)
|
|
}
|
|
if err := pool.AddLocal(pricedTransaction(1, big.NewInt(100000), big.NewInt(1), local)); err != nil {
|
|
t.Fatalf("failed to add local transaction: %v", err)
|
|
}
|
|
if err := pool.AddLocal(pricedTransaction(2, big.NewInt(100000), big.NewInt(1), local)); err != nil {
|
|
t.Fatalf("failed to add local transaction: %v", err)
|
|
}
|
|
if err := pool.AddRemote(pricedTransaction(0, big.NewInt(100000), big.NewInt(1), remote)); err != nil {
|
|
t.Fatalf("failed to add remote transaction: %v", err)
|
|
}
|
|
pending, queued := pool.Stats()
|
|
if pending != 4 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 4)
|
|
}
|
|
if queued != 0 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Terminate the old pool, bump the local nonce, create a new pool and ensure relevant transaction survive
|
|
pool.Stop()
|
|
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 1)
|
|
blockchain = &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
pool = NewTxPool(config, params.TestChainConfig, blockchain)
|
|
|
|
pending, queued = pool.Stats()
|
|
if queued != 0 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
|
|
}
|
|
if nolocals {
|
|
if pending != 0 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
|
|
}
|
|
} else {
|
|
if pending != 2 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
|
|
}
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
// Bump the nonce temporarily and ensure the newly invalidated transaction is removed
|
|
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 2)
|
|
pool.lockedReset()
|
|
time.Sleep(2 * config.Rejournal)
|
|
pool.Stop()
|
|
statedb.SetNonce(crypto.PubkeyToAddress(local.PublicKey), 1)
|
|
blockchain = &testBlockChain{statedb, big.NewInt(1000000), new(event.Feed), new(event.Feed)}
|
|
pool = NewTxPool(config, params.TestChainConfig, blockchain)
|
|
|
|
pending, queued = pool.Stats()
|
|
if pending != 0 {
|
|
t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 0)
|
|
}
|
|
if nolocals {
|
|
if queued != 0 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 0)
|
|
}
|
|
} else {
|
|
if queued != 1 {
|
|
t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
|
|
}
|
|
}
|
|
if err := validateTxPoolInternals(pool); err != nil {
|
|
t.Fatalf("pool internal state corrupted: %v", err)
|
|
}
|
|
pool.Stop()
|
|
}
|
|
|
|
// Benchmarks the speed of validating the contents of the pending queue of the
|
|
// transaction pool.
|
|
func BenchmarkPendingDemotion100(b *testing.B) { benchmarkPendingDemotion(b, 100) }
|
|
func BenchmarkPendingDemotion1000(b *testing.B) { benchmarkPendingDemotion(b, 1000) }
|
|
func BenchmarkPendingDemotion10000(b *testing.B) { benchmarkPendingDemotion(b, 10000) }
|
|
|
|
func benchmarkPendingDemotion(b *testing.B, size int) {
|
|
// Add a batch of transactions to a pool one by one
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
|
|
for i := 0; i < size; i++ {
|
|
tx := transaction(uint64(i), big.NewInt(100000), key)
|
|
pool.promoteTx(account, tx.Hash(), tx)
|
|
}
|
|
// Benchmark the speed of pool validation
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
pool.demoteUnexecutables(state)
|
|
}
|
|
}
|
|
|
|
// Benchmarks the speed of scheduling the contents of the future queue of the
|
|
// transaction pool.
|
|
func BenchmarkFuturePromotion100(b *testing.B) { benchmarkFuturePromotion(b, 100) }
|
|
func BenchmarkFuturePromotion1000(b *testing.B) { benchmarkFuturePromotion(b, 1000) }
|
|
func BenchmarkFuturePromotion10000(b *testing.B) { benchmarkFuturePromotion(b, 10000) }
|
|
|
|
func benchmarkFuturePromotion(b *testing.B, size int) {
|
|
// Add a batch of transactions to a pool one by one
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
|
|
for i := 0; i < size; i++ {
|
|
tx := transaction(uint64(1+i), big.NewInt(100000), key)
|
|
pool.enqueueTx(tx.Hash(), tx)
|
|
}
|
|
// Benchmark the speed of pool validation
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
pool.promoteExecutables(state, nil)
|
|
}
|
|
}
|
|
|
|
// Benchmarks the speed of iterative transaction insertion.
|
|
func BenchmarkPoolInsert(b *testing.B) {
|
|
// Generate a batch of transactions to enqueue into the pool
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
|
|
txs := make(types.Transactions, b.N)
|
|
for i := 0; i < b.N; i++ {
|
|
txs[i] = transaction(uint64(i), big.NewInt(100000), key)
|
|
}
|
|
// Benchmark importing the transactions into the queue
|
|
b.ResetTimer()
|
|
for _, tx := range txs {
|
|
pool.AddRemote(tx)
|
|
}
|
|
}
|
|
|
|
// Benchmarks the speed of batched transaction insertion.
|
|
func BenchmarkPoolBatchInsert100(b *testing.B) { benchmarkPoolBatchInsert(b, 100) }
|
|
func BenchmarkPoolBatchInsert1000(b *testing.B) { benchmarkPoolBatchInsert(b, 1000) }
|
|
func BenchmarkPoolBatchInsert10000(b *testing.B) { benchmarkPoolBatchInsert(b, 10000) }
|
|
|
|
func benchmarkPoolBatchInsert(b *testing.B, size int) {
|
|
// Generate a batch of transactions to enqueue into the pool
|
|
pool, key := setupTxPool()
|
|
defer pool.Stop()
|
|
|
|
account, _ := deriveSender(transaction(0, big.NewInt(0), key))
|
|
state, _ := pool.blockChain.State()
|
|
state.AddBalance(account, big.NewInt(1000000))
|
|
|
|
batches := make([]types.Transactions, b.N)
|
|
for i := 0; i < b.N; i++ {
|
|
batches[i] = make(types.Transactions, size)
|
|
for j := 0; j < size; j++ {
|
|
batches[i][j] = transaction(uint64(size*i+j), big.NewInt(100000), key)
|
|
}
|
|
}
|
|
// Benchmark importing the transactions into the queue
|
|
b.ResetTimer()
|
|
for _, batch := range batches {
|
|
pool.AddRemotes(batch)
|
|
}
|
|
}
|