cmd/devp2p/internal/ethtest: added more tx propagation tests

cmd/devp2p/internal/ethtest/transaction.go

@@ -0,0 +1,135 @@
+// 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 (
+	"fmt"
+
+	"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, recvConn := s.setupConnection(t), s.setupConnection(t)
+	fmt.Printf("tx %v %v %v\n", tx.Hash(), tx.GasPrice(), tx.Gas())
+	// Send the transaction
+	if err := sendConn.Write(Transactions([]*types.Transaction{tx})); err != nil {
+		t.Fatal(err)
+	}
+	// Wait for the transaction announcement
+	rawTxMsg, err := recvConn.waitForMessage(Transactions{})
+	if err != nil {
+		t.Fatalf("waiting for transaction propagation failed: %v", err)
+	}
+	recTxs := *rawTxMsg.(*Transactions)
+	if len(recTxs) != 1 {
+		t.Fatalf("received transactions do not match send: %v", recTxs)
+	}
+	if tx.Hash() != recTxs[0].Hash() {
+		t.Fatalf("received transactions do not match send: got %v want %v", tx, recTxs)
+	}
+}
+
+func sendFailingTx(t *utesting.T, s *Suite, tx *types.Transaction) {
+	sendConn, recvConn := s.setupConnection(t), s.setupConnection(t)
+	// Send the transaction
+	if err := sendConn.Write(Transactions([]*types.Transaction{tx})); err != nil {
+		t.Fatal(err)
+	}
+	// Wait for the transaction announcement
+	_, err := recvConn.waitForMessage(Transactions{})
+	if err == nil {
+		t.Fatalf("received a transaction, but wanted none", err)
+	}
+}
+
+func unknownTx(t *utesting.T, s *Suite) *types.Transaction {
+	tx := getNextTxFromChain(t, s)
+	txNew := types.NewTransaction(tx.Nonce(), *tx.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)
+	txNew := types.NewTransaction(tx.Nonce()-2, *tx.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)
+	txNew := types.NewTransaction(tx.Nonce(), *tx.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)
+	txNew := types.NewTransaction(tx.Nonce(), *tx.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)
+	txNew := types.NewTransaction(tx.Nonce(), *tx.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
+}