path: root/core/transaction_pool_test.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)
    }
}