func TestTransactionDoubleNonce(t *testing.T) {
pool, key := setupTxPool()
addr := crypto.PubkeyToAddress(key.PublicKey)
resetState := func() {
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
pool.currentState = func() *state.StateDB { return statedb }
pool.currentState().AddBalance(addr, big.NewInt(100000000000000))
pool.resetState()
}
resetState()
tx := transaction(0, big.NewInt(100000), key)
tx2 := transaction(0, big.NewInt(1000000), key)
if err := pool.add(tx, false); err != nil {
t.Error("didn't expect error", err)
}
if err := pool.add(tx2, false); err != nil {
t.Error("didn't expect error", err)
}
pool.checkQueue()
if len(pool.pending) != 2 {
t.Error("expected 2 pending txs. Got", len(pool.pending))
}
}
func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
var (
data = common.FromHex(tx["data"])
gas = common.Big(tx["gasLimit"])
price = common.Big(tx["gasPrice"])
value = common.Big(tx["value"])
nonce = common.Big(tx["nonce"]).Uint64()
caddr = common.HexToAddress(env["currentCoinbase"])
)
var to *common.Address
if len(tx["to"]) > 2 {
t := common.HexToAddress(tx["to"])
to = &t
}
// Set pre compiled contracts
vm.Precompiled = vm.PrecompiledContracts()
snapshot := statedb.Copy()
coinbase := statedb.GetOrNewStateObject(caddr)
coinbase.SetGasLimit(common.Big(env["currentGasLimit"]))
key, _ := hex.DecodeString(tx["secretKey"])
addr := crypto.PubkeyToAddress(crypto.ToECDSA(key).PublicKey)
message := NewMessage(addr, to, data, value, gas, price, nonce)
vmenv := NewEnvFromMap(statedb, env, tx)
vmenv.origin = addr
ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
statedb.Set(snapshot)
}
statedb.SyncObjects()
return ret, vmenv.state.Logs(), vmenv.Gas, err
}
func init() {
ringKeys[0] = benchRootKey
ringAddrs[0] = benchRootAddr
for i := 1; i < len(ringKeys); i++ {
ringKeys[i], _ = crypto.GenerateKey()
ringAddrs[i] = crypto.PubkeyToAddress(ringKeys[i].PublicKey)
}
}
func TestMissingNonce(t *testing.T) {
pool, key := setupTxPool()
addr := crypto.PubkeyToAddress(key.PublicKey)
pool.currentState().AddBalance(addr, big.NewInt(100000000000000))
tx := transaction(1, big.NewInt(100000), key)
if err := pool.add(tx, false); err != nil {
t.Error("didn't expect error", err)
}
if len(pool.pending) != 0 {
t.Error("expected 0 pending transactions, got", len(pool.pending))
}
if len(pool.queue[addr]) != 1 {
t.Error("expected 1 queued transaction, got", len(pool.queue[addr]))
}
}
func TestTransactionChainFork(t *testing.T) {
pool, key := setupTxPool()
addr := crypto.PubkeyToAddress(key.PublicKey)
resetState := func() {
db, _ := ethdb.NewMemDatabase()
statedb := state.New(common.Hash{}, db)
pool.currentState = func() *state.StateDB { return statedb }
pool.currentState().AddBalance(addr, big.NewInt(100000000000000))
pool.resetState()
}
resetState()
tx := transaction(0, big.NewInt(100000), key)
if err := pool.add(tx, false); err != nil {
t.Error("didn't expect error", err)
}
pool.RemoveTransactions([]*types.Transaction{tx})
// reset the pool's internal state
resetState()
if err := pool.add(tx, false); err != nil {
t.Error("didn't expect error", err)
}
}
func defaultTestKey() (*ecdsa.PrivateKey, common.Address) {
key := crypto.ToECDSA(common.Hex2Bytes("45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8"))
addr := crypto.PubkeyToAddress(key.PublicKey)
return key, addr
}
func ExampleGenerateChain() {
params.MinGasLimit = big.NewInt(125000) // Minimum the gas limit may ever be.
params.GenesisGasLimit = big.NewInt(3141592) // Gas limit of the Genesis block.
var (
key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
key2, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
key3, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
addr1 = crypto.PubkeyToAddress(key1.PublicKey)
addr2 = crypto.PubkeyToAddress(key2.PublicKey)
addr3 = crypto.PubkeyToAddress(key3.PublicKey)
db, _ = ethdb.NewMemDatabase()
)
// Ensure that key1 has some funds in the genesis block.
genesis := WriteGenesisBlockForTesting(db, addr1, big.NewInt(1000000))
// This call generates a chain of 5 blocks. The function runs for
// each block and adds different features to gen based on the
// block index.
chain := GenerateChain(genesis, db, 5, func(i int, gen *BlockGen) {
switch i {
case 0:
// In block 1, addr1 sends addr2 some ether.
tx, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(key1)
gen.AddTx(tx)
case 1:
// In block 2, addr1 sends some more ether to addr2.
// addr2 passes it on to addr3.
tx1, _ := types.NewTransaction(gen.TxNonce(addr1), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key1)
tx2, _ := types.NewTransaction(gen.TxNonce(addr2), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key2)
gen.AddTx(tx1)
gen.AddTx(tx2)
case 2:
// Block 3 is empty but was mined by addr3.
gen.SetCoinbase(addr3)
gen.SetExtra([]byte("yeehaw"))
case 3:
// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
b2 := gen.PrevBlock(1).Header()
b2.Extra = []byte("foo")
gen.AddUncle(b2)
b3 := gen.PrevBlock(2).Header()
b3.Extra = []byte("foo")
gen.AddUncle(b3)
}
})
// Import the chain. This runs all block validation rules.
evmux := &event.TypeMux{}
chainman, _ := NewChainManager(db, FakePow{}, evmux)
chainman.SetProcessor(NewBlockProcessor(db, FakePow{}, chainman, evmux))
if i, err := chainman.InsertChain(chain); err != nil {
fmt.Printf("insert error (block %d): %v\n", i, err)
return
}
state := chainman.State()
fmt.Printf("last block: #%d\n", chainman.CurrentBlock().Number())
fmt.Println("balance of addr1:", state.GetBalance(addr1))
fmt.Println("balance of addr2:", state.GetBalance(addr2))
fmt.Println("balance of addr3:", state.GetBalance(addr3))
// Output:
// last block: #5
// balance of addr1: 989000
// balance of addr2: 10000
// balance of addr3: 19687500000000001000
}
benchInsertChain(b, false, genTxRing(200))
}
func BenchmarkInsertChain_ring200_diskdb(b *testing.B) {
benchInsertChain(b, true, genTxRing(200))
}
func BenchmarkInsertChain_ring1000_memdb(b *testing.B) {
benchInsertChain(b, false, genTxRing(1000))
}
func BenchmarkInsertChain_ring1000_diskdb(b *testing.B) {
benchInsertChain(b, true, genTxRing(1000))
}
var (
// This is the content of the genesis block used by the benchmarks.
benchRootKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
benchRootAddr = crypto.PubkeyToAddress(benchRootKey.PublicKey)
benchRootFunds = common.BigPow(2, 100)
)
// genValueTx returns a block generator that includes a single
// value-transfer transaction with n bytes of extra data in each
// block.
func genValueTx(nbytes int) func(int, *BlockGen) {
return func(i int, gen *BlockGen) {
toaddr := common.Address{}
data := make([]byte, nbytes)
gas := IntrinsicGas(data)
tx, _ := types.NewTransaction(gen.TxNonce(benchRootAddr), toaddr, big.NewInt(1), gas, nil, data).SignECDSA(benchRootKey)
gen.AddTx(tx)
}
}