Merge branch 'shyft/greg' of github.com:ShyftNetwork/shyft_go-ethereum into shyftBlockExp

core/blockchain.go

@@ -910,6 +910,7 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
 	if err := shyftdb.WriteBlock(bc.blockExplorerDb, block); err != nil {
 		return NonStatTy, err
 	}
+	//fmt.Println(shyftdb.GetAllBlocks(bc.blockExplorerDb))
 	//result := shyftdb.GetBlock(bc.blockExplorerDb, block)
 
 	// this is WIP for decoding bytes rather than hex strings

core/types/transaction.go

@@ -195,6 +195,22 @@ func (tx *Transaction) To() *common.Address {
 	return &to
 }
 
+//@NOTE:SHYFT - Custom function to require FROM
+func (tx *Transaction) From() *common.Address {
+	if tx.data.V != nil {
+		// make a best guess about the signer and use that to derive
+		// the sender.
+		signer := deriveSigner(tx.data.V)
+		if from, err := Sender(signer, tx); err != nil { // derive but don't cache
+			return nil
+		} else {
+			return &from
+		}
+	} else {
+		return nil
+	}
+}
+
 // Hash hashes the RLP encoding of tx.
 // It uniquely identifies the transaction.
 func (tx *Transaction) Hash() common.Hash {

shyftdb/shyft_database_util.go

@@ -4,60 +4,139 @@ import (
     "fmt"
     "bytes"
     "encoding/gob"
+	"math/big"
+
     "github.com/syndtr/goleveldb/leveldb"
     "github.com/syndtr/goleveldb/leveldb/util"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 )
 
+
+type SBlock struct {
+	hash string
+	txes []string
+}
+
+type ShyftTxEntry struct {
+	TxHash    common.Hash
+	To   	  *common.Address
+	From 	  *common.Address
+	BlockHash common.Hash
+	Amount 	  *big.Int
+	GasPrice  *big.Int
+	Gas 	  uint64
+	Nonce     uint64
+	Data      []byte
+}
+
 func WriteBlock(db *leveldb.DB, block *types.Block) error {
 	leng := block.Transactions().Len()
 	var tx_strs = make([]string, leng)
 	//var tx_bytes = make([]byte, leng)
+
+    hash := block.Header().Hash().Bytes()
+	if block.Transactions().Len() > 0 {
+		for i, tx := range block.Transactions() {
+ 			tx_strs[i] = WriteTransactions(db, tx, block.Header().Hash())
+			//tx_bytes[i] = tx.Hash().Bytes()
+ 		}
+	}
+	
 	fmt.Println("The tx_strs is")
 	fmt.Println(tx_strs)
 	//strs := []string{"foo", "bar"}
 	buf := &bytes.Buffer{}
 	gob.NewEncoder(buf).Encode(tx_strs)
 	bs := buf.Bytes()
-	hash := block.Header().Hash().Bytes()
+	
-	if err := db.Put(hash, bs, nil); err != nil {
+    key := append([]byte("bk-")[:], hash[:]...)
+	if err := db.Put(key, bs, nil); err != nil {
 		log.Crit("Failed to store block", "err", err)
 		return nil // Do we want to force an exit here?
 	}
-	if block.Transactions().Len() > 0 {
-		WriteTransactions(db, block.Transactions(), hash)
-	}
 	return nil
 }
 
-func WriteTransactions(db *leveldb.DB, transactions []*types.Transaction, blockHash []byte) error {
+func WriteTransactions(db *leveldb.DB, tx *types.Transaction, blockHash common.Hash) string {
-	for _, tx := range transactions {
+	txData := ShyftTxEntry{
+		TxHash:    tx.Hash(),
+		To:   	   tx.To(),
+		From: 	   tx.From(),
+		BlockHash: blockHash,
+		Amount:    tx.Value(),
+		GasPrice:  tx.GasPrice(),
+		Gas:   	   tx.Gas(),
+		Nonce:     tx.Nonce(),
+		Data:      tx.Data(),
+	}
+	var encodedData bytes.Buffer
+	encoder := gob.NewEncoder(&encodedData)
+	if err := encoder.Encode(txData); err != nil {
+		log.Crit("Faild to encode TX data", "err", err)
+	}
 	key := append([]byte("tx-")[:], tx.Hash().Bytes()[:]...)
-		if err := db.Put(key, []byte("Hello hello"), nil); err != nil {
+	if err := db.Put(key, encodedData.Bytes(), nil); err != nil {
 		log.Crit("Failed to store TX", "err", err)
 	}
 	GetTransaction(db, tx)
-	}
 	GetAllTransactions(db)
-	return nil
+	return tx.Hash().String()
 }
 
 // Meant for internal tests
+func GetAllBlocks(db *leveldb.DB) []SBlock{
+	var arr []SBlock
+	iter := db.NewIterator(util.BytesPrefix([]byte("bk-")), nil)
+	for iter.Next() {
+	    result := iter.Value()
+	    buf := bytes.NewBuffer(result)
+		strs2 := []string{}
+		gob.NewDecoder(buf).Decode(&strs2)
+		//fmt.Println("the key is")
+		hash := common.BytesToHash(iter.Key())
+		hex := hash.Hex()
+		//fmt.Println(hex)
+		sblock := SBlock{hex, strs2}
+		arr = append(arr, sblock)
 
-func GetBlock(db *leveldb.DB, block *types.Block) {
+		//fmt.Println("\n ALL BK BK VALUE" + string(result))
+	}
+	
+	iter.Release()
+	return arr
+}
+
+func GetBlock(db *leveldb.DB, block *types.Block) []byte {
 	hash := block.Header().Hash().Bytes()
-	data, err := db.Get(hash, nil)
+	key := append([]byte("bk-")[:], hash[:]...)
+	data, err := db.Get(key, nil)
 	if err != nil {
 		log.Crit("Could not retrieve block", "err", err)
 	}
 	fmt.Println("\nBLOCK Value: " + string(data))
+	return data
 }
 
 func GetAllTransactions(db *leveldb.DB) {
 	iter := db.NewIterator(util.BytesPrefix([]byte("tx-")), nil)
 	for iter.Next() {
-		fmt.Println("\nALL TX VALUE: " + string(iter.Value()))
+		var txData ShyftTxEntry
+		d := gob.NewDecoder(bytes.NewBuffer(iter.Value()))
+		if err := d.Decode(&txData); err != nil {
+			log.Crit("Failed to decode tx:", "err", err)
+		}
+		fmt.Println("DECODED TX")
+		fmt.Println("Tx Hash: ", txData.TxHash.Hex())
+		fmt.Println("From: ", txData.From.Hex())
+		fmt.Println("To: ", txData.To.Hex())
+		fmt.Println("BlockHash: ", txData.BlockHash.Hex())
+		fmt.Println("Amount: ", txData.Amount)
+		fmt.Println("Gas: ", txData.Gas)
+		fmt.Println("GasPrice: ", txData.GasPrice)
+		fmt.Println("Nonce: ", txData.Nonce)
+		fmt.Println("Data: ", txData.Data)
 	}
 	iter.Release()
 }
@@ -69,6 +148,20 @@ func GetTransaction (db *leveldb.DB, tx *types.Transaction) {
 		log.Crit("Could not retrieve TX", "err", err)
 	}
 	if len(data) > 0 {
-		fmt.Println("\nTX Value: " + string(data))
+		var txData ShyftTxEntry
+		d := gob.NewDecoder(bytes.NewBuffer(data))
+		if err := d.Decode(&txData); err != nil {
+			log.Crit("Failed to decode tx:", "err", err)
+		}
+		fmt.Println("DECODED TX")
+		fmt.Println("Tx Hash: ", txData.TxHash.Hex())
+		fmt.Println("From: ", txData.From.Hex())
+		fmt.Println("To: ", txData.To.Hex())
+		fmt.Println("BlockHash: ", txData.BlockHash.Hex())
+		fmt.Println("Amount: ", txData.Amount)
+		fmt.Println("Gas: ", txData.Gas)
+		fmt.Println("GasPrice: ", txData.GasPrice)
+		fmt.Println("Nonce: ", txData.Nonce)
+		fmt.Println("Data: ", txData.Data)
 	}
 }