70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package cold_db
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/hexutil"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"golang.org/x/sync/errgroup"
|
|
"strings"
|
|
)
|
|
|
|
type ColdDbTransactionConverter struct{}
|
|
|
|
func NewColdDbTransactionConverter() *ColdDbTransactionConverter {
|
|
return &ColdDbTransactionConverter{}
|
|
}
|
|
|
|
func (cdtc *ColdDbTransactionConverter) ConvertTransactionsToCore(gethBlock *types.Block) ([]core.Transaction, error) {
|
|
var g errgroup.Group
|
|
coreTransactions := make([]core.Transaction, len(gethBlock.Transactions()))
|
|
|
|
for gethTransactionIndex, gethTransaction := range gethBlock.Transactions() {
|
|
transaction := gethTransaction
|
|
transactionIndex := uint(gethTransactionIndex)
|
|
g.Go(func() error {
|
|
signer := getSigner(transaction)
|
|
sender, err := signer.Sender(transaction)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
coreTransaction := transToCoreTrans(transaction, &sender)
|
|
coreTransactions[transactionIndex] = coreTransaction
|
|
return nil
|
|
})
|
|
}
|
|
if err := g.Wait(); err != nil {
|
|
return coreTransactions, err
|
|
}
|
|
return coreTransactions, nil
|
|
}
|
|
|
|
func getSigner(tx *types.Transaction) types.Signer {
|
|
v, _, _ := tx.RawSignatureValues()
|
|
if v.Sign() != 0 && tx.Protected() {
|
|
return types.NewEIP155Signer(tx.ChainId())
|
|
}
|
|
return types.HomesteadSigner{}
|
|
}
|
|
|
|
func transToCoreTrans(transaction *types.Transaction, from *common.Address) core.Transaction {
|
|
data := hexutil.Encode(transaction.Data())
|
|
return core.Transaction{
|
|
Hash: transaction.Hash().Hex(),
|
|
Nonce: transaction.Nonce(),
|
|
To: strings.ToLower(addressToHex(transaction.To())),
|
|
From: strings.ToLower(addressToHex(from)),
|
|
GasLimit: transaction.Gas(),
|
|
GasPrice: transaction.GasPrice().Int64(),
|
|
Value: transaction.Value().String(),
|
|
Data: data,
|
|
}
|
|
}
|
|
|
|
func addressToHex(to *common.Address) string {
|
|
if to == nil {
|
|
return ""
|
|
}
|
|
return to.Hex()
|
|
}
|