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
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package core
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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 }), key
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| }
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| 
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| func TestInvalidTransactions(t *testing.T) {
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| 	pool, key := setupTxPool()
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| 
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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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| 
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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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| 
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| 	pool.currentState().AddBalance(from, big.NewInt(100*100))
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| 	err = pool.Add(tx)
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| 	if err != ErrIntrinsicGas {
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| 		t.Error("expected", ErrIntrinsicGas)
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| 	}
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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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| 
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| 	err = pool.Add(tx)
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| 	if err != ErrImpossibleNonce {
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| 		t.Error("expected", ErrImpossibleNonce)
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| 	}
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| }
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