91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package geth
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import (
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"strings"
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"log"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"golang.org/x/net/context"
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)
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type GethClient interface {
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TransactionSender(ctx context.Context, tx *types.Transaction, block common.Hash, index uint) (common.Address, error)
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TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
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}
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func ToCoreBlock(gethBlock *types.Block, client GethClient) core.Block {
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transactions := convertTransactionsToCore(gethBlock, client)
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coreBlock := core.Block{
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Difficulty: gethBlock.Difficulty().Int64(),
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ExtraData: hexutil.Encode(gethBlock.Extra()),
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GasLimit: gethBlock.GasLimit().Int64(),
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GasUsed: gethBlock.GasUsed().Int64(),
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Hash: gethBlock.Hash().Hex(),
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Miner: strings.ToLower(gethBlock.Coinbase().Hex()),
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Nonce: hexutil.Encode(gethBlock.Header().Nonce[:]),
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Number: gethBlock.Number().Int64(),
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ParentHash: gethBlock.ParentHash().Hex(),
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Size: gethBlock.Size().Int64(),
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Time: gethBlock.Time().Int64(),
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Transactions: transactions,
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UncleHash: gethBlock.UncleHash().Hex(),
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}
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coreBlock.Reward = CalcBlockReward(coreBlock, gethBlock.Uncles())
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coreBlock.UnclesReward = CalcUnclesReward(coreBlock, gethBlock.Uncles())
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return coreBlock
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}
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func convertTransactionsToCore(gethBlock *types.Block, client GethClient) []core.Transaction {
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transactions := make([]core.Transaction, 0)
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for i, gethTransaction := range gethBlock.Transactions() {
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from, err := client.TransactionSender(context.Background(), gethTransaction, gethBlock.Hash(), uint(i))
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if err != nil {
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log.Println(err)
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}
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transaction := transToCoreTrans(gethTransaction, &from)
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transaction, err = appendReceiptToTransaction(client, transaction)
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if err != nil {
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log.Println(err)
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}
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transactions = append(transactions, transaction)
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}
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return transactions
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}
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func appendReceiptToTransaction(client GethClient, transaction core.Transaction) (core.Transaction, error) {
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gethReceipt, err := client.TransactionReceipt(context.Background(), common.HexToHash(transaction.Hash))
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if err != nil {
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log.Println(err)
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return transaction, err
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}
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receipt := ReceiptToCoreReceipt(gethReceipt)
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transaction.Receipt = receipt
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return transaction, err
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}
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func transToCoreTrans(transaction *types.Transaction, from *common.Address) core.Transaction {
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data := hexutil.Encode(transaction.Data())
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return core.Transaction{
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Hash: transaction.Hash().Hex(),
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Nonce: transaction.Nonce(),
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To: strings.ToLower(addressToHex(transaction.To())),
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From: strings.ToLower(addressToHex(from)),
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GasLimit: transaction.Gas().Int64(),
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GasPrice: transaction.GasPrice().Int64(),
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Value: transaction.Value().String(),
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Data: data,
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}
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}
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func addressToHex(to *common.Address) string {
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if to == nil {
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return ""
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} else {
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return to.Hex()
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}
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}
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