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package core
import (
"crypto/ecdsa"
"testing"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/state"
)
// State query interface
type stateQuery struct{ db common.Database }
func SQ() stateQuery {
db, _ := ethdb.NewMemDatabase()
return stateQuery{db: db}
}
func (self stateQuery) GetAccount(addr []byte) *state.StateObject {
return state.NewStateObject(addr, self.db)
}
func transaction() *types.Transaction {
return types.NewTransactionMessage(make([]byte, 20), common.Big0, common.Big0, common.Big0, nil)
}
func setup() (*TxPool, *ecdsa.PrivateKey) {
var m event.TypeMux
key, _ := crypto.GenerateKey()
return NewTxPool(&m), key
}
func TestTxAdding(t *testing.T) {
pool, key := setup()
tx1 := transaction()
tx1.SignECDSA(key)
err := pool.Add(tx1)
if err != nil {
t.Error(err)
}
err = pool.Add(tx1)
if err == nil {
t.Error("added tx twice")
}
}
func TestAddInvalidTx(t *testing.T) {
pool, _ := setup()
tx1 := transaction()
err := pool.Add(tx1)
if err == nil {
t.Error("expected error")
}
}
func TestRemoveSet(t *testing.T) {
pool, _ := setup()
tx1 := transaction()
pool.addTx(tx1)
pool.RemoveSet(types.Transactions{tx1})
if pool.Size() > 0 {
t.Error("expected pool size to be 0")
}
}
func TestRemoveInvalid(t *testing.T) {
pool, key := setup()
tx1 := transaction()
pool.addTx(tx1)
pool.RemoveInvalid(SQ())
if pool.Size() > 0 {
t.Error("expected pool size to be 0")
}
tx1.SetNonce(1)
tx1.SignECDSA(key)
pool.addTx(tx1)
pool.RemoveInvalid(SQ())
if pool.Size() != 1 {
t.Error("expected pool size to be 1, is", pool.Size())
}
}
func TestInvalidSender(t *testing.T) {
pool, _ := setup()
tx := new(types.Transaction)
tx.V = 28
err := pool.ValidateTransaction(tx)
if err != ErrInvalidSender {
t.Error("expected %v, got %v", ErrInvalidSender, err)
}
}
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