package core import ( "crypto/ecdsa" "math/big" "testing" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethdb" "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 setupTxPool() (*TxPool, *ecdsa.PrivateKey) { db, _ := ethdb.NewMemDatabase() statedb := state.New(common.Hash{}, db) var m event.TypeMux key, _ := crypto.GenerateKey() return NewTxPool(&m, func() *state.StateDB { return statedb }), key } func TestInvalidTransactions(t *testing.T) { pool, key := setupTxPool() tx := transaction() tx.SignECDSA(key) err := pool.Add(tx) if err != ErrNonExistentAccount { t.Error("expected", ErrNonExistentAccount) } from, _ := tx.From() pool.currentState().AddBalance(from, big.NewInt(1)) err = pool.Add(tx) if err != ErrInsufficientFunds { t.Error("expected", ErrInsufficientFunds) } pool.currentState().AddBalance(from, big.NewInt(100*100)) err = pool.Add(tx) if err != ErrIntrinsicGas { t.Error("expected", ErrIntrinsicGas) } 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 { t.Error("expected", ErrNonce) } } func TestTransactionQueue(t *testing.T) { pool, key := setupTxPool() tx := transaction() tx.SignECDSA(key) from, _ := tx.From() pool.currentState().AddBalance(from, big.NewInt(1)) pool.queueTx(tx) pool.checkQueue() if len(pool.txs) != 1 { t.Error("expected valid txs to be 1 is", len(pool.txs)) } tx = transaction() tx.SignECDSA(key) from, _ = tx.From() pool.currentState().SetNonce(from, 10) tx.SetNonce(1) pool.queueTx(tx) pool.checkQueue() if _, ok := pool.txs[tx.Hash()]; ok { t.Error("expected transaction to be in tx pool") } if len(pool.queue[from]) != 0 { t.Error("expected transaction queue to be empty. is", len(pool.queue[from])) } pool, key = setupTxPool() tx1, tx2, tx3 := transaction(), transaction(), transaction() tx2.SetNonce(10) tx3.SetNonce(11) tx1.SignECDSA(key) tx2.SignECDSA(key) tx3.SignECDSA(key) pool.queueTx(tx1) pool.queueTx(tx2) pool.queueTx(tx3) from, _ = tx1.From() pool.checkQueue() if len(pool.txs) != 1 { t.Error("expected tx pool to be 1 =") } if len(pool.queue[from]) != 3 { t.Error("expected transaction queue to be empty. is", len(pool.queue[from])) } }