dione/blockchain/types/transaction.go
2021-07-11 01:07:04 +03:00

36 lines
771 B
Go

package types
import (
"bytes"
"encoding/hex"
"fmt"
"time"
"github.com/wealdtech/go-merkletree"
"github.com/ethereum/go-ethereum/crypto"
)
type Transaction struct {
Hash []byte
MerkleProof *merkletree.Proof // sets when transaction is added to block
Timestamp time.Time
Data []byte
}
func CreateTransaction(data []byte) *Transaction {
timestamp := time.Now()
encodedData := hex.EncodeToString(data)
hash := crypto.Keccak256([]byte(fmt.Sprintf("%d_%s", timestamp.Unix(), encodedData)))
return &Transaction{
Hash: hash,
Timestamp: timestamp,
Data: data,
}
}
func (tx *Transaction) ValidateHash() bool {
h := crypto.Keccak256([]byte(fmt.Sprintf("%d_%s", tx.Timestamp.Unix(), tx.Hash)))
return bytes.Equal(h, tx.Hash)
}