core/types: add unittest for tx json serialization (#3609)

This commit is contained in:
bas-vk 2017-01-26 21:16:24 +01:00 committed by Felix Lange
parent 82aa5b1de6
commit c46c41eae3

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@ -19,6 +19,7 @@ package types
import ( import (
"bytes" "bytes"
"crypto/ecdsa" "crypto/ecdsa"
"encoding/json"
"math/big" "math/big"
"testing" "testing"
@ -29,7 +30,6 @@ import (
// The values in those tests are from the Transaction Tests // The values in those tests are from the Transaction Tests
// at github.com/ethereum/tests. // at github.com/ethereum/tests.
var ( var (
emptyTx = NewTransaction( emptyTx = NewTransaction(
0, 0,
@ -190,3 +190,45 @@ func TestTransactionPriceNonceSort(t *testing.T) {
} }
} }
} }
// TestTransactionJSON tests serializing/de-serializing to/from JSON.
func TestTransactionJSON(t *testing.T) {
key, err := crypto.GenerateKey()
if err != nil {
t.Fatalf("could not generate key: %v", err)
}
signer := NewEIP155Signer(common.Big1)
for i := uint64(0); i < 25; i++ {
var tx *Transaction
switch i % 2 {
case 0:
tx = NewTransaction(i, common.Address{1}, common.Big0, common.Big1, common.Big2, []byte("abcdef"))
case 1:
tx = NewContractCreation(i, common.Big0, common.Big1, common.Big2, []byte("abcdef"))
}
tx, err := SignTx(tx, signer, key)
if err != nil {
t.Fatalf("could not sign transaction: %v", err)
}
data, err := json.Marshal(tx)
if err != nil {
t.Errorf("json.Marshal failed: %v", err)
}
var parsedTx *Transaction
if err := json.Unmarshal(data, &parsedTx); err != nil {
t.Errorf("json.Unmarshal failed: %v", err)
}
// compare nonce, price, gaslimit, recipient, amount, payload, V, R, S
if tx.Hash() != parsedTx.Hash() {
t.Errorf("parsed tx differs from original tx, want %v, got %v", tx, parsedTx)
}
if tx.ChainId().Cmp(parsedTx.ChainId()) != 0 {
t.Errorf("invalid chain id, want %d, got %d", tx.ChainId(), parsedTx.ChainId())
}
}
}