mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-18 18:02:24 +00:00
806 lines
No EOL
21 KiB
Go
806 lines
No EOL
21 KiB
Go
package shyftdb
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import (
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"encoding/json"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"time"
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"strconv"
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"database/sql"
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"log"
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_ "github.com/lib/pq"
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"reflect"
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)
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//SBlock type
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type SBlock struct {
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Hash string
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Coinbase string
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Number string
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GasUsed string
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GasLimit string
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TxCount string
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UncleCount string
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Age string
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ParentHash string
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UncleHash string
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Difficulty string
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Size string
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Nonce string
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}
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//blockRes struct
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type blockRes struct {
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hash string
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coinbase string
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number string
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Blocks []SBlock
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}
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type SAccounts struct {
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Addr string
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Balance string
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TxCountAccount string
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}
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type accountRes struct {
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addr string
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balance string
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AllAccounts []SAccounts
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}
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//ShyftTxEntry structure
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type ShyftTxEntry struct {
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TxHash common.Hash
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To *common.Address
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From *common.Address
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BlockHash string
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Amount *big.Int
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GasPrice *big.Int
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Gas uint64
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Cost *big.Int
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Nonce uint64
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Data []byte
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}
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type txRes struct {
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TxEntry []ShyftTxEntryPretty
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}
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type ShyftTxEntryPretty struct {
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TxHash string
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To string
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From string
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BlockHash string
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BlockNumber string
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Amount uint64
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GasPrice uint64
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Gas uint64
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Cost uint64
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Nonce uint64
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Data []byte
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}
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type ShyftAccountEntry struct {
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Balance string
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Txs []string
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}
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type SendAndReceive struct {
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To string
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From string
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Amount string
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Address string
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Balance string
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TxCountAccount string
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}
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//WriteBlock writes to block info to sql db
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func WriteBlock(sqldb *sql.DB, block *types.Block, receipts []*types.Receipt) error {
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//Need to create field in postgres db isContract : True || False
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//Need to fix nonce numeric issue (attempt to reproduce and record)
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//Need to update tx To Field where null with Contract Address
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//Need to update account table with that Contract Address
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//Need to update AccountNonce and Balance of Tx To field || Contract Address
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WriteMinerRewards(sqldb,block)
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coinbase := block.Header().Coinbase.String()
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number := block.Header().Number.String()
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gasUsed := block.Header().GasUsed
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gasLimit := block.Header().GasLimit
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txCount := block.Transactions().Len()
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uncleCount := len(block.Uncles())
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parentHash := block.ParentHash().String()
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uncleHash := block.UncleHash().String()
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blockDifficulty := block.Difficulty().String()
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blockSize := block.Size().String()
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blockNonce := block.Nonce()
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// Convert the receipts into their storage form and serialize them
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storageReceipts := make([]*types.ReceiptForStorage, len(receipts))
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for i, receipt := range receipts {
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storageReceipts[i] = (*types.ReceiptForStorage)(receipt)
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var txHashFromReciept = (*types.ReceiptForStorage)(receipt).TxHash
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var statusFromReciept = (*types.ReceiptForStorage)(receipt).Status
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var contractAddressFromReciept = (*types.ReceiptForStorage)(receipt).ContractAddress
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if statusFromReciept == 1 {
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fmt.Println("THIS IS statusFromReciept", "SUCCESS", statusFromReciept)
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}
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if statusFromReciept == 0 {
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fmt.Println("THIS IS statusFromReciept", "FAIL", statusFromReciept)
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}
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if block.Transactions()[0].To() == nil {
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updateSQLStatement := `UPDATE txs SET to_addr = ($2) WHERE txHash = ($1)`
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_, error := sqldb.Exec(updateSQLStatement, txHashFromReciept.String(), contractAddressFromReciept.String())
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if error != nil {
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panic(error)
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}
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}
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fmt.Println("THIS IS txHashFromReciept", txHashFromReciept.String())
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fmt.Println("THIS IS contractAddressFromReciept", contractAddressFromReciept.String())
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}
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i, err := strconv.ParseInt(block.Time().String(), 10, 64)
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if err != nil {
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panic(err)
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}
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age := time.Unix(i, 0)
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sqlStatement := `INSERT INTO blocks(hash, coinbase, number, gasUsed, gasLimit, txCount, uncleCount, age, parentHash, uncleHash, difficulty, size, nonce) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11), ($12),($13)) RETURNING number`
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qerr := sqldb.QueryRow(sqlStatement, block.Header().Hash().Hex(), coinbase, number, gasUsed, gasLimit, txCount, uncleCount, age, parentHash, uncleHash, blockDifficulty, blockSize, blockNonce).Scan(&number)
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if qerr != nil {
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panic(qerr)
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}
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if block.Transactions().Len() > 0 {
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for _, tx := range block.Transactions() {
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//WriteMinerRewards(sqldb, block)
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WriteTransactions(sqldb, tx, block.Header().Hash(), block.Header().Number.String())
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if block.Transactions()[0].To() != nil {
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WriteFromBalance(sqldb, tx)
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}
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if block.Transactions()[0].To() == nil {
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WriteContractBalance(sqldb, tx)
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WriteContractsTxHashReferences(sqldb, tx)
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}
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}
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}
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return nil
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}
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//WriteTransactions writes to sqldb
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func WriteTransactions(sqldb *sql.DB, tx *types.Transaction, blockHash common.Hash, blockNumber string) error {
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txData := ShyftTxEntry{
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TxHash: tx.Hash(),
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From: tx.From(),
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To: tx.To(),
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BlockHash: blockHash.Hex(),
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Amount: tx.Value(),
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Cost: tx.Cost(),
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GasPrice: tx.GasPrice(),
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Gas: tx.Gas(),
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Nonce: tx.Nonce(),
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Data: tx.Data(),
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}
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txHash := txData.TxHash.Hex()
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from := txData.From.Hex()
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blockHasher := txData.BlockHash
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amount := txData.Amount.String()
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gasPrice := txData.GasPrice.String()
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txFee := txData.Cost.String()
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nonce := txData.Nonce
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gas := txData.Gas
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data := txData.Data
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to := txData.To
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var isContract bool
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if (to == nil){
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var retNonce string
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isContract = true
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sqlStatement := `INSERT INTO txs(txhash, from_addr, blockhash, blockNumber, amount, gasprice, gas, txfee, nonce, isContract, data) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11)) RETURNING nonce`
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qerr := sqldb.QueryRow(sqlStatement, txHash, from, blockHasher, blockNumber, amount, gasPrice, gas, txFee, nonce, isContract, data).Scan(&retNonce)
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if qerr != nil {
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panic(qerr)
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}
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} else {
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var retNonce string
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isContract = false
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sqlStatement := `INSERT INTO txs(txhash, from_addr, to_addr, blockhash, blockNumber, amount, gasprice, gas, txfee, nonce, isContract, data) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11), ($12)) RETURNING nonce`
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qerr := sqldb.QueryRow(sqlStatement, txHash, from, to.Hex(), blockHasher, blockNumber, amount, gasPrice, gas, txFee, nonce, isContract, data).Scan(&retNonce)
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if qerr != nil {
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panic(qerr)
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}
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}
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return nil
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}
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func WriteContractsTxHashReferences(sqldb *sql.DB, tx *types.Transaction) error {
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txHash := tx.Hash().Hex()
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sqlStatement := `INSERT INTO contracts(txHash) VALUES(($1)) RETURNING txHash`
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insertErr := sqldb.QueryRow(sqlStatement, txHash).Scan(&txHash)
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if insertErr != nil {
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panic(insertErr)
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}
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return nil
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}
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func WriteContractBalance(sqldb *sql.DB, tx *types.Transaction) error {
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sendAndReceiveData,balanceSen,accountNonceSen := WriteContractBalanceHelper(sqldb, tx)
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fromAddr := sendAndReceiveData.From
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amount := sendAndReceiveData.Amount
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balanceSender := balanceSen
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var response string
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sqlExistsStatement := `SELECT balance from accounts WHERE addr = ($1)`
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err := sqldb.QueryRow(sqlExistsStatement, fromAddr).Scan(&response)
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switch {
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case err == sql.ErrNoRows:
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fmt.Println("NO ROWS RAN")
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//i, err := strconv.Atoi(accountNonceSen)
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//if err != nil {
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// fmt.Println(err)
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//}
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//fmt.Println("accountnonce", i)
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//fmt.Println(reflect.TypeOf(i))
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sqlStatement := `INSERT INTO accounts(addr, balance, txCountAccount) VALUES(($1), ($2), ($3)) RETURNING addr`
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insertErr := sqldb.QueryRow(sqlStatement, fromAddr, amount, accountNonceSen).Scan(&fromAddr)
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if insertErr != nil {
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panic(insertErr)
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}
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case err != nil:
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log.Fatal(err)
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default:
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var newBalanceSender big.Int
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var newAccountNonceSender big.Int
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var nonceIncrement = big.NewInt(1)
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updateSQLStatement := `UPDATE accounts SET balance = ($2), txCountAccount = ($3) WHERE addr = ($1)`
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s := new(big.Int)
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_, error := fmt.Sscan(balanceSender, s)
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if error != nil {
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log.Println("error scanning value:", error)
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}
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accountS := new(big.Int)
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_, errors := fmt.Sscan(accountNonceSen, accountS)
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if errors != nil {
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log.Println("error scanning value:", error)
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}
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newBalanceSender.Sub(s, tx.Value())
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newAccountNonceSender.Add(accountS, nonceIncrement)
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_, err = sqldb.Exec(updateSQLStatement, fromAddr, newBalanceSender.String(), newAccountNonceSender.String())
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if err != nil {
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panic(err)
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}
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}
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return nil
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}
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func WriteContractBalanceHelper(sqldb *sql.DB, tx *types.Transaction) (SendAndReceive, string, string) {
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sendAndReceiveData := SendAndReceive{
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From: tx.From().Hex(),
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Amount: tx.Value().String(),
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}
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fromAddr := sendAndReceiveData.From
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getAccountBalanceSender:= GetAccount(sqldb, fromAddr)
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var senderBalance SendAndReceive
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if err := json.Unmarshal([]byte(getAccountBalanceSender), &senderBalance); err != nil {
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log.Fatal(err)
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}
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balanceSender := senderBalance.Balance
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accountNonceSender := senderBalance.TxCountAccount
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return sendAndReceiveData, balanceSender, accountNonceSender
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}
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//WriteFromBalance writes senders balance to accounts db
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func WriteFromBalance(sqldb *sql.DB, tx *types.Transaction) error {
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//IF to address is nil (which means its contract creation)
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//Need to create a condition (flag) check and then change how the nonce increment works
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sendAndReceiveData, balanceRec, balanceSen, accountNonceRec, accountNonceSen := WriteBalanceHelper(sqldb, tx)
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toAddr := sendAndReceiveData.To
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fromAddr := sendAndReceiveData.From
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amount := sendAndReceiveData.Amount
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balanceReceiver := balanceRec
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balanceSender := balanceSen
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var response string
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sqlExistsStatement := `SELECT balance from accounts WHERE addr = ($1)`
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err := sqldb.QueryRow(sqlExistsStatement, toAddr).Scan(&response)
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switch {
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case err == sql.ErrNoRows:
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fmt.Println("NO ROWS RAN")
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i, err := strconv.Atoi(accountNonceRec)
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if err != nil {
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fmt.Println(err)
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}
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//fmt.Println("accountnonce", i)
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//fmt.Println(reflect.TypeOf(i))
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sqlStatement := `INSERT INTO accounts(addr, balance, txCountAccount) VALUES(($1), ($2), ($3)) RETURNING addr`
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insertErr := sqldb.QueryRow(sqlStatement, toAddr, amount, i).Scan(&toAddr)
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if insertErr != nil {
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panic(insertErr)
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}
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case err != nil:
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log.Fatal(err)
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default:
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var newBalanceReceiver big.Int
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var newBalanceSender big.Int
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var newAccountNonceReceiver big.Int
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var newAccountNonceSender big.Int
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var nonceIncrement = big.NewInt(1)
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updateSQLStatement := `UPDATE accounts SET balance = ($2), txCountAccount = ($3) WHERE addr = ($1)`
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r := new(big.Int)
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_, err := fmt.Sscan(balanceReceiver, r)
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if err != nil {
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log.Println("error scanning value:", err)
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}
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s := new(big.Int)
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_, error := fmt.Sscan(balanceSender, s)
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if error != nil {
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log.Println("error scanning value:", error)
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}
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accountR := new(big.Int)
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_, er := fmt.Sscan(accountNonceRec, accountR)
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if er != nil {
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log.Println("error scanning value:", er)
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}
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accountS := new(big.Int)
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_, errors := fmt.Sscan(accountNonceSen, accountS)
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if errors != nil {
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log.Println("error scanning value:", error)
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}
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newBalanceReceiver.Add(r, tx.Value())
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newBalanceSender.Sub(s, tx.Value())
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newAccountNonceReceiver.Add(accountR, nonceIncrement)
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newAccountNonceSender.Add(accountS, nonceIncrement)
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_, err = sqldb.Exec(updateSQLStatement, toAddr, newBalanceReceiver.String(), newAccountNonceReceiver.String())
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if err != nil {
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panic(err)
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}
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_, err = sqldb.Exec(updateSQLStatement, fromAddr, newBalanceSender.String(), newAccountNonceSender.String())
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if err != nil {
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panic(err)
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}
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}
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return nil
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}
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func WriteBalanceHelper(sqldb *sql.DB, tx *types.Transaction) (SendAndReceive, string, string, string, string) {
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sendAndReceiveData := SendAndReceive{
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To: tx.To().Hex(),
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From: tx.From().Hex(),
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Amount: tx.Value().String(),
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}
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toAddr := sendAndReceiveData.To
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fromAddr := sendAndReceiveData.From
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getAccountBalanceReceiver := GetAccount(sqldb, toAddr)
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getAccountBalanceSender:= GetAccount(sqldb, fromAddr)
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var receiverBalance SendAndReceive
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if err := json.Unmarshal([]byte(getAccountBalanceReceiver), &receiverBalance); err != nil {
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log.Fatal(err)
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}
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var senderBalance SendAndReceive
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if err := json.Unmarshal([]byte(getAccountBalanceSender), &senderBalance); err != nil {
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log.Fatal(err)
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}
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balanceReceiver := receiverBalance.Balance
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balanceSender := senderBalance.Balance
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accountNonceReceiver := receiverBalance.TxCountAccount
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accountNonceSender := senderBalance.TxCountAccount
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return sendAndReceiveData, balanceReceiver, balanceSender, accountNonceReceiver, accountNonceSender
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}
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func WriteMinerRewards(sqldb *sql.DB, block *types.Block) {
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minerAddr := block.Coinbase().String()
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fmt.Println("\n\n\t\t", minerAddr, "\n\n")
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// Calculate the total gas used in the block
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var totalGas big.Int
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for _, tx := range block.Transactions() {
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totalGas.Add(&totalGas, new(big.Int).Mul(tx.GasPrice(), new(big.Int).SetUint64(tx.Gas())))
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}
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//TODO: Calculate Block Reward
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// totalReward := totalGas.Add(&totalGas, MINER_REWARD)
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totalReward := totalGas
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totalRewardString := totalReward.String()
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// check if addr exists and update
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var minerBalance string
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addrExistsStatement := `SELECT balance from accounts WHERE addr = ($1)`
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err := sqldb.QueryRow(addrExistsStatement, minerAddr).Scan(&minerBalance)
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// Create addr or update existing balance
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if err == sql.ErrNoRows {
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// Addr does not exist, thus create new entry
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createAddrSqlStatement := `INSERT INTO accounts(addr, balance, txCountAccount) VALUES(($1), ($2), ($3)) RETURNING addr`
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_, insertErr := sqldb.Exec(createAddrSqlStatement, minerAddr, totalRewardString, 0)
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if insertErr != nil {
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panic(insertErr)
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}
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} else if err != nil {
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// Something went wrong panic
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panic(err)
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} else {
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// Addr exists, update existing balance
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var newBalance big.Int
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newBalance.Add(addrInfo.balance, totalReward)
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updateSQLStatement := `UPDATE accounts SET balance = ($1), txCountAccount = ($2) WHERE addr = ($3)`
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_, updateErr := sqldb.Exec(updateSQLStatement, )
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}
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}
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// @NOTE: This function is extremely complex and requires heavy testing and knowdlege of edge cases:
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// uncle blocks, account balance updates based on reorgs, diverges that get dropped.
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// Reason for this is because the accounts are not deterministic like the block and tx hashes.
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// @TODO: Calculate reward if there are uncles
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// @TODO: Calculate mining reward (most likely retrieve higher up in the operations)
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// @TODO: Calculate reorg
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//func WriteMinerReward(db *leveldb.DB, block *types.Block) {
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// var totalGas *big.Int
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// var txs []string
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// key := append([]byte("acc-")[:], block.Coinbase().Hash().Bytes()[:]...)
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// for _, tx := range block.Transactions() {
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// totalGas.Add(totalGas, new(big.Int).Mul(tx.GasPrice(), new(big.Int).SetUint64(tx.Gas())))
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// }
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//// retrievedData, err := db.Get(key, nil)
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// if err != nil {
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// // Assume time this account has had a tx
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// // Balacne is exclusively minerreward + total gas from the block b/c no prior evm activity
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// // Txs would be empty because they have not had any transactions on the EVM
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// // @TODO: Calc mining reward
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// //balance := totalGas.Add(totalGas, MINING_REWARD)
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// balance := totalGas
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// accData := ShyftAccountEntry{
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// Balance: balance,
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// Txs: txs,
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// }
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// var encodedData bytes.Buffer
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// encoder := gob.NewEncoder(&encodedData)
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// if err := encoder.Encode(accData); err != nil {
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// log.Crit("Faild to encode Miner Account data", "err", err)
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// }
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// if err := db.Put(key, encodedData.Bytes(), nil); err != nil {
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// log.Crit("Could not write the miner's first tx", "err", err)
|
|
// }
|
|
// } else {
|
|
// // The account has already have previous data stored due to activity in the EVM
|
|
// // Decode the data to update balance
|
|
// var decodedData ShyftAccountEntry
|
|
// d := gob.NewDecoder(bytes.NewBuffer(retrievedData))
|
|
// if err := d.Decode(&decodedData); err != nil {
|
|
// log.Crit("Failed to decode miner data:", "err", err)
|
|
// }
|
|
// // Write new balance
|
|
// // @TODO: Calc mining reward
|
|
// // decodedData.Balance.Add(decodedData.Balance, totalGas.Add(totalGas, MINING_REWARD)))
|
|
// decodedData.Balance.Add(decodedData.Balance, totalGas)
|
|
// // Encode the data to be written back to the db
|
|
// var encodedData bytes.Buffer
|
|
// encoder := gob.NewEncoder(&encodedData)
|
|
// if err := encoder.Encode(decodedData); err != nil {
|
|
// log.Crit("Faild to encode Miner Account data", "err", err)
|
|
// }
|
|
// // Write newly encoded data back to the db
|
|
// if err := db.Put(key, encodedData.Bytes(), nil); err != nil {
|
|
// log.Crit("Could not update miner account data", "err", err)
|
|
// }
|
|
// }
|
|
//}
|
|
|
|
|
|
|
|
///////////
|
|
// Getters
|
|
//////////
|
|
//GetAllBlocks returns []SBlock blocks for API
|
|
func GetAllBlocks(sqldb *sql.DB) string {
|
|
var arr blockRes
|
|
var blockArr string
|
|
rows, err := sqldb.Query(`
|
|
SELECT
|
|
hash,
|
|
coinbase,
|
|
gasused,
|
|
gaslimit,
|
|
txcount,
|
|
unclecount,
|
|
age,
|
|
number
|
|
FROM blocks`)
|
|
if err != nil {
|
|
fmt.Println("err")
|
|
}
|
|
defer rows.Close()
|
|
|
|
for rows.Next() {
|
|
var hash string
|
|
var coinbase string
|
|
var gasUsed string
|
|
var gasLimit string
|
|
var txCount string
|
|
var uncleCount string
|
|
var age string
|
|
var num string
|
|
|
|
err = rows.Scan(
|
|
&hash,
|
|
&coinbase,
|
|
&gasUsed,
|
|
&gasLimit,
|
|
&txCount,
|
|
&uncleCount,
|
|
&age,
|
|
&num,
|
|
)
|
|
|
|
arr.Blocks = append(arr.Blocks, SBlock{
|
|
Hash: hash,
|
|
Coinbase: coinbase,
|
|
GasUsed: gasUsed,
|
|
GasLimit: gasLimit,
|
|
TxCount: txCount,
|
|
UncleCount: uncleCount,
|
|
Age: age,
|
|
Number: num,
|
|
})
|
|
|
|
blocks, _ := json.Marshal(arr.Blocks)
|
|
blocksFmt := string(blocks)
|
|
blockArr = blocksFmt
|
|
}
|
|
return blockArr
|
|
}
|
|
|
|
//GetBlock queries to send single block info
|
|
//TODO provide blockHash arg passed from handler.go
|
|
func GetBlock(sqldb *sql.DB, blockNumber string) string {
|
|
sqlStatement := `SELECT * FROM blocks WHERE number=$1;`
|
|
row := sqldb.QueryRow(sqlStatement, blockNumber)
|
|
var hash string
|
|
var coinbase string
|
|
var gasUsed string
|
|
var gasLimit string
|
|
var txCount string
|
|
var uncleCount string
|
|
var age string
|
|
var parentHash string
|
|
var uncleHash string
|
|
var difficulty string
|
|
var size string
|
|
var nonce string
|
|
var num string
|
|
row.Scan(
|
|
&hash,
|
|
&coinbase,
|
|
&gasUsed,
|
|
&gasLimit,
|
|
&txCount,
|
|
&uncleCount,
|
|
&age,
|
|
&parentHash,
|
|
&uncleHash,
|
|
&difficulty,
|
|
&size,
|
|
&nonce,
|
|
&num,)
|
|
|
|
block := SBlock{
|
|
Hash: hash,
|
|
Coinbase: coinbase,
|
|
GasUsed: gasUsed,
|
|
GasLimit: gasLimit,
|
|
TxCount: txCount,
|
|
UncleCount: uncleCount,
|
|
Age: age,
|
|
ParentHash:parentHash,
|
|
UncleHash:uncleHash,
|
|
Difficulty:difficulty,
|
|
Size: size,
|
|
Nonce:nonce,
|
|
Number: num,
|
|
}
|
|
json, _ := json.Marshal(block)
|
|
return string(json)
|
|
}
|
|
|
|
//GetAllTransactions getter fn for API
|
|
func GetAllTransactions(sqldb *sql.DB) string {
|
|
var arr txRes
|
|
var txx string
|
|
rows, err := sqldb.Query(`
|
|
SELECT
|
|
txhash,
|
|
to_addr,
|
|
from_addr,
|
|
blockhash,
|
|
blocknumber,
|
|
amount,
|
|
gasprice,
|
|
gas,
|
|
txfee,
|
|
nonce,
|
|
data
|
|
FROM txs`)
|
|
if err != nil {
|
|
fmt.Println("err")
|
|
}
|
|
defer rows.Close()
|
|
for rows.Next() {
|
|
var txhash string
|
|
var to_addr string
|
|
var from_addr string
|
|
var blockhash string
|
|
var blocknumber string
|
|
var amount uint64
|
|
var gasprice uint64
|
|
var gas uint64
|
|
var txfee uint64
|
|
var nonce uint64
|
|
var data []byte
|
|
err = rows.Scan(
|
|
&txhash,
|
|
&to_addr,
|
|
&from_addr,
|
|
&blockhash,
|
|
&blocknumber,
|
|
&amount,
|
|
&gasprice,
|
|
&gas,
|
|
&txfee,
|
|
&nonce,
|
|
&data,
|
|
)
|
|
|
|
arr.TxEntry = append(arr.TxEntry, ShyftTxEntryPretty{
|
|
TxHash: txhash,
|
|
To: to_addr,
|
|
From: from_addr,
|
|
BlockHash: blockhash,
|
|
BlockNumber: blocknumber,
|
|
Amount: amount,
|
|
GasPrice: gasprice,
|
|
Gas: gas,
|
|
Cost: txfee,
|
|
Nonce: nonce,
|
|
Data: data,
|
|
})
|
|
|
|
tx, _ := json.Marshal(arr.TxEntry)
|
|
newtx := string(tx)
|
|
txx = newtx
|
|
}
|
|
return txx
|
|
}
|
|
|
|
//GetTransaction fn returns single tx
|
|
func GetTransaction(sqldb *sql.DB, txHash string) string {
|
|
sqlStatement := `SELECT * FROM txs WHERE txhash=$1;`
|
|
row := sqldb.QueryRow(sqlStatement, txHash)
|
|
var txhash string
|
|
var to_addr string
|
|
var from_addr string
|
|
var blockhash string
|
|
var blocknumber string
|
|
var amount uint64
|
|
var gasprice uint64
|
|
var gas uint64
|
|
var txfee uint64
|
|
var nonce uint64
|
|
var data []byte
|
|
row.Scan(
|
|
&txhash,
|
|
&to_addr,
|
|
&from_addr,
|
|
&blockhash,
|
|
&amount,
|
|
&gasprice,
|
|
&gas,
|
|
&txfee,
|
|
&nonce,
|
|
&data)
|
|
tx := ShyftTxEntryPretty{
|
|
TxHash: txhash,
|
|
To: to_addr,
|
|
From: from_addr,
|
|
BlockHash: blockhash,
|
|
BlockNumber: blocknumber,
|
|
Amount: amount,
|
|
GasPrice: gasprice,
|
|
Gas: gas,
|
|
Cost: txfee,
|
|
Nonce: nonce,
|
|
Data: data,
|
|
}
|
|
json, _ := json.Marshal(tx)
|
|
|
|
return string(json)
|
|
}
|
|
|
|
//GetAccount returns account balances
|
|
func GetAccount(sqldb *sql.DB, address string) string {
|
|
sqlStatement := `SELECT * FROM accounts WHERE addr=$1;`
|
|
row := sqldb.QueryRow(sqlStatement, address)
|
|
var addr string
|
|
var balance string
|
|
var txCountAccount string
|
|
row.Scan(
|
|
&addr,
|
|
&balance,
|
|
&txCountAccount)
|
|
|
|
account := SAccounts{
|
|
Addr: addr,
|
|
Balance: balance,
|
|
TxCountAccount: txCountAccount,
|
|
}
|
|
json, _ := json.Marshal(account)
|
|
return string(json)
|
|
}
|
|
|
|
//GetAllAccounts returns all accounts and balances
|
|
func GetAllAccounts(sqldb *sql.DB) string {
|
|
var array accountRes
|
|
var accountsArr string
|
|
var txCountAccount string
|
|
accs, err := sqldb.Query(`
|
|
SELECT
|
|
addr,
|
|
balance,
|
|
txCountAccount
|
|
FROM accounts`)
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
}
|
|
|
|
defer accs.Close()
|
|
|
|
for accs.Next() {
|
|
var addr string
|
|
var balance string
|
|
err = accs.Scan(
|
|
&addr,
|
|
&balance,
|
|
&txCountAccount,
|
|
)
|
|
|
|
array.AllAccounts = append(array.AllAccounts, SAccounts{
|
|
Addr: addr,
|
|
Balance: balance,
|
|
TxCountAccount: txCountAccount,
|
|
})
|
|
|
|
accounts, _ := json.Marshal(array.AllAccounts)
|
|
accountsFmt := string(accounts)
|
|
accountsArr = accountsFmt
|
|
}
|
|
return accountsArr
|
|
} |