bsc/core/transaction_pool_test.go
obscuren 6184781b49 Improved transaction pool
The transaction pool will now some easily be able to pre determine the
validity of a transaction by checking the following:

* Account existst
* gas limit higher than the instrinsic gas
* enough funds to pay upfront costs
* nonce check
2015-04-08 20:47:32 +02:00

63 lines
1.5 KiB
Go

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 != ErrImpossibleNonce {
t.Error("expected", ErrImpossibleNonce)
}
}