core/types: make transactions immutable

core/transaction_pool_test.go

@@ -13,8 +13,9 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 )
 
-func transaction() *types.Transaction {
-	return types.NewTransactionMessage(common.Address{}, big.NewInt(100), big.NewInt(100), big.NewInt(100), nil)
+func transaction(nonce uint64, gaslimit *big.Int, key *ecdsa.PrivateKey) *types.Transaction {
+	tx, _ := types.NewTransaction(nonce, common.Address{}, big.NewInt(100), gaslimit, big.NewInt(1), nil).SignECDSA(key)
+	return tx
 }
 
 func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
@@ -29,43 +30,34 @@ func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
 func TestInvalidTransactions(t *testing.T) {
 	pool, key := setupTxPool()
 
-	tx := transaction()
-	tx.SignECDSA(key)
-	err := pool.Add(tx)
-	if err != ErrNonExistentAccount {
+	tx := transaction(0, big.NewInt(100), key)
+	if err := pool.Add(tx); err != ErrNonExistentAccount {
 		t.Error("expected", ErrNonExistentAccount)
 	}
 
 	from, _ := tx.From()
 	pool.currentState().AddBalance(from, big.NewInt(1))
-	err = pool.Add(tx)
-	if err != ErrInsufficientFunds {
+	if err := pool.Add(tx); err != ErrInsufficientFunds {
 		t.Error("expected", ErrInsufficientFunds)
 	}
 
 	balance := new(big.Int).Add(tx.Value(), new(big.Int).Mul(tx.Gas(), tx.GasPrice()))
 	pool.currentState().AddBalance(from, balance)
-	err = pool.Add(tx)
-	if err != ErrIntrinsicGas {
+	if err := pool.Add(tx); err != ErrIntrinsicGas {
 		t.Error("expected", ErrIntrinsicGas, "got", err)
 	}
 
 	pool.currentState().SetNonce(from, 1)
 	pool.currentState().AddBalance(from, big.NewInt(0xffffffffffffff))
-	tx.GasLimit = big.NewInt(100000)
-	tx.Price = big.NewInt(1)
-	tx.SignECDSA(key)
-
-	err = pool.Add(tx)
-	if err != ErrNonce {
+	tx = transaction(0, big.NewInt(100000), key)
+	if err := pool.Add(tx); err != ErrNonce {
 		t.Error("expected", ErrNonce)
 	}
 }
 
 func TestTransactionQueue(t *testing.T) {
 	pool, key := setupTxPool()
-	tx := transaction()
-	tx.SignECDSA(key)
+	tx := transaction(0, big.NewInt(100), key)
 	from, _ := tx.From()
 	pool.currentState().AddBalance(from, big.NewInt(1))
 	pool.queueTx(tx.Hash(), tx)
@@ -75,9 +67,7 @@ func TestTransactionQueue(t *testing.T) {
 		t.Error("expected valid txs to be 1 is", len(pool.pending))
 	}
 
-	tx = transaction()
-	tx.SetNonce(1)
-	tx.SignECDSA(key)
+	tx = transaction(1, big.NewInt(100), key)
 	from, _ = tx.From()
 	pool.currentState().SetNonce(from, 2)
 	pool.queueTx(tx.Hash(), tx)
@@ -91,12 +81,9 @@ func TestTransactionQueue(t *testing.T) {
 	}
 
 	pool, key = setupTxPool()
-	tx1, tx2, tx3 := transaction(), transaction(), transaction()
-	tx2.SetNonce(10)
-	tx3.SetNonce(11)
-	tx1.SignECDSA(key)
-	tx2.SignECDSA(key)
-	tx3.SignECDSA(key)
+	tx1 := transaction(0, big.NewInt(100), key)
+	tx2 := transaction(10, big.NewInt(100), key)
+	tx3 := transaction(11, big.NewInt(100), key)
 	pool.queueTx(tx1.Hash(), tx1)
 	pool.queueTx(tx2.Hash(), tx2)
 	pool.queueTx(tx3.Hash(), tx3)
@@ -114,8 +101,7 @@ func TestTransactionQueue(t *testing.T) {
 
 func TestRemoveTx(t *testing.T) {
 	pool, key := setupTxPool()
-	tx := transaction()
-	tx.SignECDSA(key)
+	tx := transaction(0, big.NewInt(100), key)
 	from, _ := tx.From()
 	pool.currentState().AddBalance(from, big.NewInt(1))
 	pool.queueTx(tx.Hash(), tx)
@@ -142,13 +128,10 @@ func TestRemoveTx(t *testing.T) {
 func TestNegativeValue(t *testing.T) {
 	pool, key := setupTxPool()
 
-	tx := transaction()
-	tx.Value().Set(big.NewInt(-1))
-	tx.SignECDSA(key)
+	tx, _ := types.NewTransaction(0, common.Address{}, big.NewInt(-1), big.NewInt(100), big.NewInt(1), nil).SignECDSA(key)
 	from, _ := tx.From()
 	pool.currentState().AddBalance(from, big.NewInt(1))
-	err := pool.Add(tx)
-	if err != ErrNegativeValue {
+	if err := pool.Add(tx); err != ErrNegativeValue {
 		t.Error("expected", ErrNegativeValue, "got", err)
 	}
 }
@@ -165,20 +148,15 @@ func TestTransactionChainFork(t *testing.T) {
 	}
 	resetState()
 
-	tx := transaction()
-	tx.GasLimit = big.NewInt(100000)
-	tx.SignECDSA(key)
-
-	err := pool.add(tx)
-	if err != nil {
+	tx := transaction(0, big.NewInt(100000), key)
+	if err := pool.add(tx); err != nil {
 		t.Error("didn't expect error", err)
 	}
 	pool.RemoveTransactions([]*types.Transaction{tx})
 
 	// reset the pool's internal state
 	resetState()
-	err = pool.add(tx)
-	if err != nil {
+	if err := pool.add(tx); err != nil {
 		t.Error("didn't expect error", err)
 	}
 }
@@ -195,24 +173,14 @@ func TestTransactionDoubleNonce(t *testing.T) {
 	}
 	resetState()
 
-	tx := transaction()
-	tx.GasLimit = big.NewInt(100000)
-	tx.SignECDSA(key)
-
-	err := pool.add(tx)
-	if err != nil {
+	tx := transaction(0, big.NewInt(100000), key)
+	tx2 := transaction(0, big.NewInt(1000000), key)
+	if err := pool.add(tx); err != nil {
 		t.Error("didn't expect error", err)
 	}
-
-	tx2 := transaction()
-	tx2.GasLimit = big.NewInt(1000000)
-	tx2.SignECDSA(key)
-
-	err = pool.add(tx2)
-	if err != nil {
+	if err := pool.add(tx2); err != nil {
 		t.Error("didn't expect error", err)
 	}
-
 	if len(pool.pending) != 2 {
 		t.Error("expected 2 pending txs. Got", len(pool.pending))
 	}
@@ -222,20 +190,13 @@ func TestMissingNonce(t *testing.T) {
 	pool, key := setupTxPool()
 	addr := crypto.PubkeyToAddress(key.PublicKey)
 	pool.currentState().AddBalance(addr, big.NewInt(100000000000000))
-	tx := transaction()
-	tx.AccountNonce = 1
-	tx.GasLimit = big.NewInt(100000)
-	tx.SignECDSA(key)
-
-	err := pool.add(tx)
-	if err != nil {
+	tx := transaction(1, big.NewInt(100000), key)
+	if err := pool.add(tx); err != nil {
 		t.Error("didn't expect error", err)
 	}
-
 	if len(pool.pending) != 0 {
 		t.Error("expected 0 pending transactions, got", len(pool.pending))
 	}
-
 	if len(pool.queue[addr]) != 1 {
 		t.Error("expected 1 queued transaction, got", len(pool.queue[addr]))
 	}