package types
import (
"bytes"
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
)
// from bcValidBlockTest.json, "SimpleTx"
func TestBlockEncoding(t *testing.T) {
blockEnc := common.FromHex("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")
var block Block
if err := rlp.DecodeBytes(blockEnc, &block); err != nil {
t.Fatal("decode error: ", err)
}
check := func(f string, got, want interface{}) {
if !reflect.DeepEqual(got, want) {
t.Errorf("%s mismatch: got %v, want %v", f, got, want)
}
}
check("Difficulty", block.Difficulty(), big.NewInt(131072))
check("GasLimit", block.GasLimit(), big.NewInt(3141592))
check("GasUsed", block.GasUsed(), big.NewInt(21000))
check("Coinbase", block.Coinbase(), common.HexToAddress("8888f1f195afa192cfee860698584c030f4c9db1"))
check("MixDigest", block.MixDigest(), common.HexToHash("bd4472abb6659ebe3ee06ee4d7b72a00a9f4d001caca51342001075469aff498"))
check("Root", block.Root(), common.HexToHash("ef1552a40b7165c3cd773806b9e0c165b75356e0314bf0706f279c729f51e017"))
check("Hash", block.Hash(), common.HexToHash("0a5843ac1cb04865017cb35a57b50b07084e5fcee39b5acadade33149f4fff9e"))
check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
check("Time", block.Time(), int64(1426516743))
check("Size", block.Size(), common.StorageSize(len(blockEnc)))
to := common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87")
check("Transactions", block.Transactions(), Transactions{
{
Payload: []byte{},
Amount: big.NewInt(10),
Price: big.NewInt(10),
GasLimit: big.NewInt(50000),
AccountNonce: 0,
V: 27,
R: common.String2Big("0x9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f"),
S: common.String2Big("0x8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b1"),
Recipient: &to,
},
})
ourBlockEnc, err := rlp.EncodeToBytes(&block)
if err != nil {
t.Fatal("encode error: ", err)
}
if !bytes.Equal(ourBlockEnc, blockEnc) {
t.Errorf("encoded block mismatch:\ngot: %x\nwant: %x", ourBlockEnc, blockEnc)
}
}