plugeth/cmd/devp2p/internal/ethtest/transaction.go
rene cac1b21d39
cmd/devp2p/internal/ethtest: add more tx propagation tests (#22630)
This adds a test for large tx announcement messages, as well as a test to
check that announced tx hashes are requested by the node.
2021-04-23 18:14:39 +02:00

298 lines
8.9 KiB
Go

// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethtest
import (
"math/big"
"strings"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/internal/utesting"
"github.com/ethereum/go-ethereum/params"
)
//var faucetAddr = common.HexToAddress("0x71562b71999873DB5b286dF957af199Ec94617F7")
var faucetKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
func sendSuccessfulTx(t *utesting.T, s *Suite, tx *types.Transaction) {
sendConn := s.setupConnection(t)
defer sendConn.Close()
sendSuccessfulTxWithConn(t, s, tx, sendConn)
}
func sendSuccessfulTxWithConn(t *utesting.T, s *Suite, tx *types.Transaction, sendConn *Conn) {
t.Logf("sending tx: %v %v %v\n", tx.Hash().String(), tx.GasPrice(), tx.Gas())
// Send the transaction
if err := sendConn.Write(&Transactions{tx}); err != nil {
t.Fatal(err)
}
// update last nonce seen
nonce = tx.Nonce()
recvConn := s.setupConnection(t)
// Wait for the transaction announcement
switch msg := recvConn.ReadAndServe(s.chain, timeout).(type) {
case *Transactions:
recTxs := *msg
for _, gotTx := range recTxs {
if gotTx.Hash() == tx.Hash() {
// Ok
return
}
}
t.Fatalf("missing transaction: got %v missing %v", recTxs, tx.Hash())
case *NewPooledTransactionHashes:
txHashes := *msg
for _, gotHash := range txHashes {
if gotHash == tx.Hash() {
return
}
}
t.Fatalf("missing transaction announcement: got %v missing %v", txHashes, tx.Hash())
default:
t.Fatalf("unexpected message in sendSuccessfulTx: %s", pretty.Sdump(msg))
}
}
var nonce = uint64(99)
func sendMultipleSuccessfulTxs(t *utesting.T, s *Suite, sendConn *Conn, txs []*types.Transaction) {
txMsg := Transactions(txs)
t.Logf("sending %d txs\n", len(txs))
recvConn := s.setupConnection(t)
defer recvConn.Close()
// Send the transactions
if err := sendConn.Write(&txMsg); err != nil {
t.Fatal(err)
}
// update nonce
nonce = txs[len(txs)-1].Nonce()
// Wait for the transaction announcement(s) and make sure all sent txs are being propagated
recvHashes := make([]common.Hash, 0)
// all txs should be announced within 3 announcements
for i := 0; i < 3; i++ {
switch msg := recvConn.ReadAndServe(s.chain, timeout).(type) {
case *Transactions:
for _, tx := range *msg {
recvHashes = append(recvHashes, tx.Hash())
}
case *NewPooledTransactionHashes:
recvHashes = append(recvHashes, *msg...)
default:
if !strings.Contains(pretty.Sdump(msg), "i/o timeout") {
t.Fatalf("unexpected message while waiting to receive txs: %s", pretty.Sdump(msg))
}
}
// break once all 2000 txs have been received
if len(recvHashes) == 2000 {
break
}
if len(recvHashes) > 0 {
_, missingTxs := compareReceivedTxs(recvHashes, txs)
if len(missingTxs) > 0 {
continue
} else {
t.Logf("successfully received all %d txs", len(txs))
return
}
}
}
_, missingTxs := compareReceivedTxs(recvHashes, txs)
if len(missingTxs) > 0 {
for _, missing := range missingTxs {
t.Logf("missing tx: %v", missing.Hash())
}
t.Fatalf("missing %d txs", len(missingTxs))
}
}
func waitForTxPropagation(t *utesting.T, s *Suite, txs []*types.Transaction, recvConn *Conn) {
// Wait for another transaction announcement
switch msg := recvConn.ReadAndServe(s.chain, time.Second*8).(type) {
case *Transactions:
// check to see if any of the failing txs were in the announcement
recvTxs := make([]common.Hash, len(*msg))
for i, recvTx := range *msg {
recvTxs[i] = recvTx.Hash()
}
badTxs, _ := compareReceivedTxs(recvTxs, txs)
if len(badTxs) > 0 {
for _, tx := range badTxs {
t.Logf("received bad tx: %v", tx)
}
t.Fatalf("received %d bad txs", len(badTxs))
}
case *NewPooledTransactionHashes:
badTxs, _ := compareReceivedTxs(*msg, txs)
if len(badTxs) > 0 {
for _, tx := range badTxs {
t.Logf("received bad tx: %v", tx)
}
t.Fatalf("received %d bad txs", len(badTxs))
}
case *Error:
// Transaction should not be announced -> wait for timeout
return
default:
t.Fatalf("unexpected message in sendFailingTx: %s", pretty.Sdump(msg))
}
}
// compareReceivedTxs compares the received set of txs against the given set of txs,
// returning both the set received txs that were present within the given txs, and
// the set of txs that were missing from the set of received txs
func compareReceivedTxs(recvTxs []common.Hash, txs []*types.Transaction) (present []*types.Transaction, missing []*types.Transaction) {
// create a map of the hashes received from node
recvHashes := make(map[common.Hash]common.Hash)
for _, hash := range recvTxs {
recvHashes[hash] = hash
}
// collect present txs and missing txs separately
present = make([]*types.Transaction, 0)
missing = make([]*types.Transaction, 0)
for _, tx := range txs {
if _, exists := recvHashes[tx.Hash()]; exists {
present = append(present, tx)
} else {
missing = append(missing, tx)
}
}
return present, missing
}
func unknownTx(t *utesting.T, s *Suite) *types.Transaction {
tx := getNextTxFromChain(t, s)
var to common.Address
if tx.To() != nil {
to = *tx.To()
}
txNew := types.NewTransaction(tx.Nonce()+1, to, tx.Value(), tx.Gas(), tx.GasPrice(), tx.Data())
return signWithFaucet(t, s.chain.chainConfig, txNew)
}
func getNextTxFromChain(t *utesting.T, s *Suite) *types.Transaction {
// Get a new transaction
var tx *types.Transaction
for _, blocks := range s.fullChain.blocks[s.chain.Len():] {
txs := blocks.Transactions()
if txs.Len() != 0 {
tx = txs[0]
break
}
}
if tx == nil {
t.Fatal("could not find transaction")
}
return tx
}
func generateTxs(t *utesting.T, s *Suite, numTxs int) (map[common.Hash]common.Hash, []*types.Transaction) {
txHashMap := make(map[common.Hash]common.Hash, numTxs)
txs := make([]*types.Transaction, numTxs)
nextTx := getNextTxFromChain(t, s)
gas := nextTx.Gas()
nonce = nonce + 1
// generate txs
for i := 0; i < numTxs; i++ {
tx := generateTx(t, s.chain.chainConfig, nonce, gas)
txHashMap[tx.Hash()] = tx.Hash()
txs[i] = tx
nonce = nonce + 1
}
return txHashMap, txs
}
func generateTx(t *utesting.T, chainConfig *params.ChainConfig, nonce uint64, gas uint64) *types.Transaction {
var to common.Address
tx := types.NewTransaction(nonce, to, big.NewInt(1), gas, big.NewInt(1), []byte{})
return signWithFaucet(t, chainConfig, tx)
}
func getOldTxFromChain(t *utesting.T, s *Suite) *types.Transaction {
var tx *types.Transaction
for _, blocks := range s.fullChain.blocks[:s.chain.Len()-1] {
txs := blocks.Transactions()
if txs.Len() != 0 {
tx = txs[0]
break
}
}
if tx == nil {
t.Fatal("could not find transaction")
}
return tx
}
func invalidNonceTx(t *utesting.T, s *Suite) *types.Transaction {
tx := getNextTxFromChain(t, s)
var to common.Address
if tx.To() != nil {
to = *tx.To()
}
txNew := types.NewTransaction(tx.Nonce()-2, to, tx.Value(), tx.Gas(), tx.GasPrice(), tx.Data())
return signWithFaucet(t, s.chain.chainConfig, txNew)
}
func hugeAmount(t *utesting.T, s *Suite) *types.Transaction {
tx := getNextTxFromChain(t, s)
amount := largeNumber(2)
var to common.Address
if tx.To() != nil {
to = *tx.To()
}
txNew := types.NewTransaction(tx.Nonce(), to, amount, tx.Gas(), tx.GasPrice(), tx.Data())
return signWithFaucet(t, s.chain.chainConfig, txNew)
}
func hugeGasPrice(t *utesting.T, s *Suite) *types.Transaction {
tx := getNextTxFromChain(t, s)
gasPrice := largeNumber(2)
var to common.Address
if tx.To() != nil {
to = *tx.To()
}
txNew := types.NewTransaction(tx.Nonce(), to, tx.Value(), tx.Gas(), gasPrice, tx.Data())
return signWithFaucet(t, s.chain.chainConfig, txNew)
}
func hugeData(t *utesting.T, s *Suite) *types.Transaction {
tx := getNextTxFromChain(t, s)
var to common.Address
if tx.To() != nil {
to = *tx.To()
}
txNew := types.NewTransaction(tx.Nonce(), to, tx.Value(), tx.Gas(), tx.GasPrice(), largeBuffer(2))
return signWithFaucet(t, s.chain.chainConfig, txNew)
}
func signWithFaucet(t *utesting.T, chainConfig *params.ChainConfig, tx *types.Transaction) *types.Transaction {
signer := types.LatestSigner(chainConfig)
signedTx, err := types.SignTx(tx, signer, faucetKey)
if err != nil {
t.Fatalf("could not sign tx: %v\n", err)
}
return signedTx
}