plugeth/cmd/devp2p/internal/ethtest/transaction.go

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// 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 (
"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"
)
//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)
}
time.Sleep(100 * time.Millisecond)
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))
}
}
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 := containsTxs(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 := containsTxs(*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))
}
}
// containsTxs checks whether the hashes of the received transactions are present in
// the given set of txs
func containsTxs(recvTxs []common.Hash, txs []*types.Transaction) []common.Hash {
containedTxs := make([]common.Hash, 0)
for _, recvTx := range recvTxs {
for _, tx := range txs {
if recvTx == tx.Hash() {
containedTxs = append(containedTxs, recvTx)
}
}
}
return containedTxs
}
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, 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 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, 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, 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, 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, txNew)
}
func signWithFaucet(t *utesting.T, tx *types.Transaction) *types.Transaction {
signer := types.HomesteadSigner{}
signedTx, err := types.SignTx(tx, signer, faucetKey)
if err != nil {
t.Fatalf("could not sign tx: %v\n", err)
}
return signedTx
}