141 lines
3.3 KiB
Go
141 lines
3.3 KiB
Go
package core
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import (
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"crypto/ecdsa"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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)
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func transaction() *types.Transaction {
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return types.NewTransactionMessage(common.Address{}, big.NewInt(100), big.NewInt(100), big.NewInt(100), nil)
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}
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func setupTxPool() (*TxPool, *ecdsa.PrivateKey) {
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db, _ := ethdb.NewMemDatabase()
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statedb := state.New(common.Hash{}, db)
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var m event.TypeMux
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key, _ := crypto.GenerateKey()
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return NewTxPool(&m, func() *state.StateDB { return statedb }, func() *big.Int { return big.NewInt(1000000) }), key
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}
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func TestInvalidTransactions(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction()
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tx.SignECDSA(key)
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err := pool.Add(tx)
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if err != ErrNonExistentAccount {
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t.Error("expected", ErrNonExistentAccount)
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}
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from, _ := tx.From()
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pool.currentState().AddBalance(from, big.NewInt(1))
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err = pool.Add(tx)
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if err != ErrInsufficientFunds {
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t.Error("expected", ErrInsufficientFunds)
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}
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balance := new(big.Int).Add(tx.Value(), new(big.Int).Mul(tx.Gas(), tx.GasPrice()))
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pool.currentState().AddBalance(from, balance)
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err = pool.Add(tx)
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if err != ErrIntrinsicGas {
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t.Error("expected", ErrIntrinsicGas, "got", err)
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}
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pool.currentState().SetNonce(from, 1)
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pool.currentState().AddBalance(from, big.NewInt(0xffffffffffffff))
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tx.GasLimit = big.NewInt(100000)
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tx.Price = big.NewInt(1)
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tx.SignECDSA(key)
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err = pool.Add(tx)
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if err != ErrNonce {
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t.Error("expected", ErrNonce)
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}
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}
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func TestTransactionQueue(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction()
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tx.SignECDSA(key)
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from, _ := tx.From()
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pool.currentState().AddBalance(from, big.NewInt(1))
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pool.queueTx(tx)
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pool.checkQueue()
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if len(pool.txs) != 1 {
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t.Error("expected valid txs to be 1 is", len(pool.txs))
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}
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tx = transaction()
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tx.SignECDSA(key)
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from, _ = tx.From()
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pool.currentState().SetNonce(from, 10)
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tx.SetNonce(1)
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pool.queueTx(tx)
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pool.checkQueue()
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if _, ok := pool.txs[tx.Hash()]; ok {
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t.Error("expected transaction to be in tx pool")
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}
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if len(pool.queue[from]) != 0 {
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t.Error("expected transaction queue to be empty. is", len(pool.queue[from]))
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}
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pool, key = setupTxPool()
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tx1, tx2, tx3 := transaction(), transaction(), transaction()
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tx2.SetNonce(10)
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tx3.SetNonce(11)
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tx1.SignECDSA(key)
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tx2.SignECDSA(key)
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tx3.SignECDSA(key)
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pool.queueTx(tx1)
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pool.queueTx(tx2)
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pool.queueTx(tx3)
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from, _ = tx1.From()
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pool.checkQueue()
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if len(pool.txs) != 1 {
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t.Error("expected tx pool to be 1 =")
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}
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if len(pool.queue[from]) != 3 {
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t.Error("expected transaction queue to be empty. is", len(pool.queue[from]))
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}
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}
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func TestRemoveTx(t *testing.T) {
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pool, key := setupTxPool()
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tx := transaction()
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tx.SignECDSA(key)
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from, _ := tx.From()
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pool.currentState().AddBalance(from, big.NewInt(1))
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pool.queueTx(tx)
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pool.addTx(tx)
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if len(pool.queue) != 1 {
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t.Error("expected queue to be 1, got", len(pool.queue))
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}
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if len(pool.txs) != 1 {
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t.Error("expected txs to be 1, got", len(pool.txs))
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}
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pool.removeTx(tx.Hash())
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if len(pool.queue) > 0 {
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t.Error("expected queue to be 0, got", len(pool.queue))
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}
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if len(pool.txs) > 0 {
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t.Error("expected txs to be 0, got", len(pool.txs))
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}
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}
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