package types
import (
"bytes"
"crypto/ecdsa"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
)
// The values in those tests are from the Transaction Tests
// at github.com/ethereum/tests.
var (
emptyTx = NewTransactionMessage(
common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"),
big.NewInt(0), big.NewInt(0), big.NewInt(0),
nil,
)
rightvrsRecipient = common.HexToAddress("b94f5374fce5edbc8e2a8697c15331677e6ebf0b")
rightvrsTx = &Transaction{
Recipient: &rightvrsRecipient,
AccountNonce: 3,
Price: big.NewInt(1),
GasLimit: big.NewInt(2000),
Amount: big.NewInt(10),
Payload: common.FromHex("5544"),
V: 28,
R: common.String2Big("0x98ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4a"),
S: common.String2Big("0x8887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3"),
}
)
func TestTransactionHash(t *testing.T) {
// "EmptyTransaction"
if emptyTx.Hash() != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
t.Errorf("empty transaction hash mismatch, got %x", emptyTx.Hash())
}
// "RightVRSTest"
if rightvrsTx.Hash() != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
t.Errorf("RightVRS transaction hash mismatch, got %x", rightvrsTx.Hash())
}
}
func TestTransactionEncode(t *testing.T) {
// "RightVRSTest"
txb, err := rlp.EncodeToBytes(rightvrsTx)
if err != nil {
t.Fatalf("encode error: %v", err)
}
should := common.FromHex("f86103018207d094b94f5374fce5edbc8e2a8697c15331677e6ebf0b0a8255441ca098ff921201554726367d2be8c804a7ff89ccf285ebc57dff8ae4c44b9c19ac4aa08887321be575c8095f789dd4c743dfe42c1820f9231f98a962b210e3ac2452a3")
if !bytes.Equal(txb, should) {
t.Errorf("encoded RLP mismatch, got %x", txb)
}
}
func decodeTx(data []byte) (*Transaction, error) {
var tx Transaction
return &tx, rlp.Decode(bytes.NewReader(data), &tx)
}
func defaultTestKey() (*ecdsa.PrivateKey, common.Address) {
key := crypto.ToECDSA(common.Hex2Bytes("45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8"))
addr := crypto.PubkeyToAddress(key.PublicKey)
return key, addr
}
func TestRecipientEmpty(t *testing.T) {
_, addr := defaultTestKey()
tx, err := decodeTx(common.Hex2Bytes("f8498080808080011ca09b16de9d5bdee2cf56c28d16275a4da68cd30273e2525f3959f5d62557489921a0372ebd8fb3345f7db7b5a86d42e24d36e983e259b0664ceb8c227ec9af572f3d"))
if err != nil {
t.Error(err)
t.FailNow()
}
from, err := tx.From()
if err != nil {
t.Error(err)
t.FailNow()
}
if addr != from {
t.Error("derived address doesn't match")
}
}
func TestRecipientNormal(t *testing.T) {
_, addr := defaultTestKey()
tx, err := decodeTx(common.Hex2Bytes("f85d80808094000000000000000000000000000000000000000080011ca0527c0d8f5c63f7b9f41324a7c8a563ee1190bcbf0dac8ab446291bdbf32f5c79a0552c4ef0a09a04395074dab9ed34d3fbfb843c2f2546cc30fe89ec143ca94ca6"))
if err != nil {
t.Error(err)
t.FailNow()
}
from, err := tx.From()
if err != nil {
t.Error(err)
t.FailNow()
}
if addr != from {
t.Error("derived address doesn't match")
}
}