mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-19 02:12:23 +00:00
1072 lines
25 KiB
Go
1072 lines
25 KiB
Go
package core
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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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"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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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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Rewards "github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/shyfttracerinterface"
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)
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var IShyftTracer shyfttracerinterface.IShyftTracer
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func SetIShyftTracer(st shyfttracerinterface.IShyftTracer) {
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IShyftTracer = st
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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 uint64
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GasLimit uint64
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TxCount int
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UncleCount int
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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 uint64
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Rewards 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 string
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GasPrice uint64
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Gas uint64
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GasLimit uint64
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Cost uint64
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Nonce uint64
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Status string
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IsContract bool
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Age time.Time
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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 SWriteBlock(block *types.Block, receipts []*types.Receipt) error {
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sqldb, err := DBConnection()
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if err != nil {
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panic(err)
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}
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rewards := 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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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, rewards, nonce) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11), ($12),($13), ($14)) 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, rewards, 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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SwriteTransactions(sqldb, tx, block.Header().Hash(), block.Header().Number.String(), receipts, age, gasLimit)
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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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}
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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 SwriteTransactions(sqldb *sql.DB, tx *types.Transaction, blockHash common.Hash, blockNumber string, receipts []*types.Receipt, age time.Time, gasLimit uint64) 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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hash := txData.TxHash
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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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var statusFromReciept string
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if (to == nil){
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var contractAddressFromReciept string
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for _, receipt := range receipts {
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statusReciept := (*types.ReceiptForStorage)(receipt).Status
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contractAddressFromReciept = (*types.ReceiptForStorage)(receipt).ContractAddress.String()
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if statusReciept == 1 {
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statusFromReciept = "SUCCESS"
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}
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if statusReciept == 0 {
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statusFromReciept = "FAIL"
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}
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}
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var retNonce string
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isContract = true
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sqlStatement := `INSERT INTO txs(txhash, from_addr, to_addr, blockhash, blockNumber, amount, gasprice, gas, gasLimit,txfee, nonce, isContract, txStatus, age, data) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11), ($12), ($13), ($14), ($15)) RETURNING nonce`
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qerr := sqldb.QueryRow(sqlStatement, txHash, from, contractAddressFromReciept, blockHasher, blockNumber, amount, gasPrice, gas, gasLimit, txFee, nonce, isContract, statusFromReciept, age,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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for _, receipt := range receipts {
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statusReciept := (*types.ReceiptForStorage)(receipt).Status
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if statusReciept == 1 {
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statusFromReciept = "SUCCESS"
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}
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if statusReciept == 0 {
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statusFromReciept = "FAIL"
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}
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}
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sqlStatement := `INSERT INTO txs(txhash, from_addr, to_addr, blockhash, blockNumber, amount, gasprice, gas, gasLimit, txfee, nonce, isContract, txStatus, age, data) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8), ($9), ($10), ($11), ($12), ($13), ($14), ($15)) RETURNING nonce`
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qerr := sqldb.QueryRow(sqlStatement, txHash, from, to.Hex(), blockHasher, blockNumber, amount, gasPrice, gas, gasLimit, txFee, nonce, isContract, statusFromReciept, age,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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IShyftTracer.GetTracerToRun(hash)
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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 := 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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amount := sendAndReceiveData.Amount
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accountNonceSen := tx.Nonce()
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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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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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default:
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getAccountBalanceSender:= SGetAccount(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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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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senderAccountNonce := new(big.Int).SetUint64(accountNonceSen)
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newBalanceSender.Sub(s, tx.Value())
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newAccountNonceSender.Add(senderAccountNonce, 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:= SGetAccount(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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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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txCountAccount := strconv.FormatUint(tx.Nonce(), 10)
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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, txCountAccount).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 := SGetAccount(sqldb, toAddr)
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getAccountBalanceSender:= SGetAccount(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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// @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 reorg
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func writeMinerRewards(sqldb *sql.DB, block *types.Block) string {
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minerAddr := block.Coinbase().String()
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shyftConduitAddress := Rewards.ShyftNetworkConduitAddress.String()
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// Calculate the total gas used in the block
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totalGas := new(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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totalMinerReward := totalGas.Add(totalGas, Rewards.ShyftMinerBlockReward)
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// References:
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// https://ethereum.stackexchange.com/questions/27172/different-uncles-reward
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// line 551 in consensus.go (shyft_go-ethereum/consensus/ethash/consensus.go)
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// Some weird constants to avoid constant memory allocs for them.
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var big8 = big.NewInt(8)
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var uncleRewards []*big.Int
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var uncleAddrs []string
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// uncleReward is overwritten after each iteration
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uncleReward := new(big.Int)
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for _, uncle := range block.Uncles() {
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uncleReward.Add(uncle.Number, big8)
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uncleReward.Sub(uncleReward, block.Number())
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uncleReward.Mul(uncleReward, Rewards.ShyftMinerBlockReward)
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uncleReward.Div(uncleReward, big8)
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uncleRewards = append(uncleRewards, uncleReward)
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uncleAddrs = append(uncleAddrs, uncle.Coinbase.String())
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}
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storeReward(sqldb, minerAddr, totalMinerReward)
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storeReward(sqldb, shyftConduitAddress, Rewards.ShyftNetworkBlockReward)
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var uncRewards = new(big.Int)
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for i := 0; i < len(uncleAddrs); i++ {
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uncRewards := uncleRewards[i]
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fmt.Println(uncRewards)
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storeReward(sqldb, uncleAddrs[i], uncleRewards[i])
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}
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fullRewardValue := new(big.Int)
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fullRewardValue.Add(totalMinerReward, Rewards.ShyftNetworkBlockReward)
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fullRewardValue.Add(fullRewardValue, uncRewards)
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return fullRewardValue.String()
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}
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func storeReward(sqldb *sql.DB, address string, reward *big.Int) {
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// Check if address exists
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var addressBalance string
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addressExistsStatement := `SELECT balance from accounts WHERE addr = ($1)`
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err := sqldb.QueryRow(addressExistsStatement, address).Scan(&addressBalance)
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|
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if err == sql.ErrNoRows {
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// Addr does not exist, thus create new entry
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createAddressSqlStatement := `INSERT INTO accounts(addr, balance, txCountAccount) VALUES(($1), ($2), ($3)) RETURNING addr`
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// We convert totalReward into a string and postgres converts into number
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_, insertErr := sqldb.Exec(createAddressSqlStatement, address, reward.String(), 0)
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if insertErr != nil {
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panic(insertErr)
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}
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return
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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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bigBalance := new(big.Int)
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bigBalance, err := bigBalance.SetString(addressBalance, 0)
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if !err {
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panic(err)
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}
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newBalance := new(big.Int)
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newBalance.Add(newBalance, bigBalance)
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newBalance.Add(newBalance, reward)
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updateAddressSQLStatement := `UPDATE accounts SET balance = ($1) WHERE addr = ($2)`
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// We convert totalReward into a string and postgres converts into number
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_, updateErr := sqldb.Exec(updateAddressSQLStatement, newBalance.String(), address)
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if updateErr != nil {
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panic(updateErr)
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}
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return
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}
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}
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|
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///////////
|
|
// Getters
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//////////
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//GetAllBlocks returns []SBlock blocks for API
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//Look into postgres functions array_to_json(array_agg(lap))
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//Example select array_to_json(array_agg(lap))
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//from ( select * from blocks)lap;
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func SGetAllBlocks(sqldb *sql.DB) string {
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var arr blockRes
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var blockArr string
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rows, err := sqldb.Query(`
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SELECT * FROM blocks`)
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if err != nil {
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fmt.Println("err")
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}
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defer rows.Close()
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for rows.Next() {
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var hash string
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var coinbase string
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var gasUsed uint64
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var gasLimit uint64
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var txCount int
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var uncleCount int
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var age string
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var parentHash string
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var uncleHash string
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var difficulty string
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var size string
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var nonce uint64
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var rewards string
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var num string
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err = rows.Scan(
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&hash,
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&coinbase,
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&gasUsed,
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&gasLimit,
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&txCount,
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&uncleCount,
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&age,
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&parentHash,
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&uncleHash,
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&difficulty,
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&size,
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&nonce,
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&rewards,
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&num,)
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arr.Blocks = append(arr.Blocks, SBlock{
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Hash: hash,
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Coinbase: coinbase,
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GasUsed: gasUsed,
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GasLimit: gasLimit,
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TxCount: txCount,
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UncleCount: uncleCount,
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Age: age,
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ParentHash:parentHash,
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UncleHash:uncleHash,
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Difficulty:difficulty,
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Size: size,
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Nonce:nonce,
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Rewards: rewards,
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Number: num,
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})
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blocks, _ := json.Marshal(arr.Blocks)
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blocksFmt := string(blocks)
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blockArr = blocksFmt
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}
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return blockArr
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}
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//GetBlock queries to send single block info
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//TODO provide blockHash arg passed from handler.go
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func SGetBlock(sqldb *sql.DB, blockNumber string) string {
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sqlStatement := `SELECT * FROM blocks WHERE number=$1;`
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row := sqldb.QueryRow(sqlStatement, blockNumber)
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var hash string
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var coinbase string
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var gasUsed uint64
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var gasLimit uint64
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var txCount int
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var uncleCount int
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var age string
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var parentHash string
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var uncleHash string
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var difficulty string
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var size string
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var nonce uint64
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var rewards string
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var num string
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row.Scan(
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&hash,
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&coinbase,
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&gasUsed,
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&gasLimit,
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&txCount,
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&uncleCount,
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&age,
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&parentHash,
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&uncleHash,
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&difficulty,
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&size,
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&nonce,
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&rewards,
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&num,)
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block := SBlock{
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Hash: hash,
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Coinbase: coinbase,
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GasUsed: gasUsed,
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GasLimit: gasLimit,
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TxCount: txCount,
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UncleCount: uncleCount,
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Age: age,
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ParentHash:parentHash,
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UncleHash:uncleHash,
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Difficulty:difficulty,
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Size: size,
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Nonce:nonce,
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Rewards: rewards,
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Number: num,
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}
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json, _ := json.Marshal(block)
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return string(json)
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}
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func SGetRecentBlock(sqldb *sql.DB) string {
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sqlStatement := `SELECT * FROM blocks WHERE number=(SELECT MAX(number) FROM blocks);`
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row := sqldb.QueryRow(sqlStatement)
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var hash string
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var coinbase string
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var gasUsed uint64
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var gasLimit uint64
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var txCount int
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var uncleCount int
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var age string
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var parentHash string
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var uncleHash string
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var difficulty string
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var size string
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var nonce uint64
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var rewards string
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var num string
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row.Scan(
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&hash,
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&coinbase,
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&gasUsed,
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&gasLimit,
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&txCount,
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&uncleCount,
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&age,
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&parentHash,
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&uncleHash,
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&difficulty,
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&size,
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&nonce,
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&rewards,
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&num,)
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block := SBlock{
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Hash: hash,
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Coinbase: coinbase,
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GasUsed: gasUsed,
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GasLimit: gasLimit,
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TxCount: txCount,
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UncleCount: uncleCount,
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Age: age,
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ParentHash:parentHash,
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UncleHash:uncleHash,
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Difficulty:difficulty,
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Size: size,
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Nonce:nonce,
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Rewards: rewards,
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Number: num,
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}
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json, _ := json.Marshal(block)
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return string(json)
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}
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func SGetAllTransactionsFromBlock(sqldb *sql.DB, blockNumber string) string {
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var arr txRes
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var txx string
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sqlStatement := `SELECT * FROM txs WHERE blocknumber=$1`
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rows, err := sqldb.Query(sqlStatement, blockNumber)
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if err != nil {
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fmt.Println("err")
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}
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defer rows.Close()
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for rows.Next() {
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var txhash string
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var to_addr string
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var from_addr string
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var blockhash string
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var blocknumber string
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var amount string
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var gasprice uint64
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var gas uint64
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var gasLimit uint64
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var txfee uint64
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var nonce uint64
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var status string
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var isContract bool
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var age time.Time
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var data []byte
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err = rows.Scan(
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&txhash,
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&to_addr,
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&from_addr,
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&blockhash,
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&blocknumber,
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&amount,
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&gasprice,
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&gas,
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&gasLimit,
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&txfee,
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&nonce,
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&status,
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&isContract,
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&age,
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&data,
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)
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arr.TxEntry = append(arr.TxEntry, ShyftTxEntryPretty{
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TxHash: txhash,
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To: to_addr,
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From: from_addr,
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BlockHash: blockhash,
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BlockNumber: blocknumber,
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Amount: amount,
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GasPrice: gasprice,
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Gas: gas,
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GasLimit: gasLimit,
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Cost: txfee,
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Nonce: nonce,
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Status: status,
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IsContract: isContract,
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Age: age,
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Data: data,
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})
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tx, _ := json.Marshal(arr.TxEntry)
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newtx := string(tx)
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txx = newtx
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}
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return txx
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}
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func SGetAllBlocksMinedByAddress(sqldb *sql.DB, coinbase string) string {
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var arr blockRes
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var blockArr string
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sqlStatement := `SELECT * FROM blocks WHERE coinbase=$1`
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rows, err := sqldb.Query(sqlStatement, coinbase)
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if err != nil {
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fmt.Println("err")
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}
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defer rows.Close()
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for rows.Next() {
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var hash string
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var coinbase string
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var gasUsed uint64
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var gasLimit uint64
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var txCount int
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var uncleCount int
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var age string
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var parentHash string
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var uncleHash string
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var difficulty string
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var size string
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var nonce uint64
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var rewards string
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var num string
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err = rows.Scan(
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&hash,
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&coinbase,
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&gasUsed,
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&gasLimit,
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&txCount,
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&uncleCount,
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&age,
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&parentHash,
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&uncleHash,
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&difficulty,
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&size,
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&nonce,
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&rewards,
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&num,)
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arr.Blocks = append(arr.Blocks, SBlock{
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Hash: hash,
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Coinbase: coinbase,
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GasUsed: gasUsed,
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GasLimit: gasLimit,
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TxCount: txCount,
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UncleCount: uncleCount,
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Age: age,
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ParentHash:parentHash,
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UncleHash:uncleHash,
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Difficulty:difficulty,
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Size: size,
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Nonce:nonce,
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Rewards: rewards,
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Number: num,
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})
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blocks, _ := json.Marshal(arr.Blocks)
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blocksFmt := string(blocks)
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blockArr = blocksFmt
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}
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return blockArr
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}
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//GetAllTransactions getter fn for API
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func SGetAllTransactions(sqldb *sql.DB) string {
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var arr txRes
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var txx string
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rows, err := sqldb.Query(`
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SELECT * FROM txs`)
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if err != nil {
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fmt.Println("err")
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}
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defer rows.Close()
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for rows.Next() {
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var txhash string
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var to_addr string
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var from_addr string
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var blockhash string
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var blocknumber string
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var amount string
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var gasprice uint64
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var gas uint64
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var gasLimit uint64
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var txfee uint64
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var nonce uint64
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var status string
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var isContract bool
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var age time.Time
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var data []byte
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err = rows.Scan(
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&txhash,
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&to_addr,
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&from_addr,
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&blockhash,
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&blocknumber,
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&amount,
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&gasprice,
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&gas,
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&gasLimit,
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&txfee,
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&nonce,
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&status,
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&isContract,
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&age,
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&data,
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)
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arr.TxEntry = append(arr.TxEntry, ShyftTxEntryPretty{
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TxHash: txhash,
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To: to_addr,
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From: from_addr,
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BlockHash: blockhash,
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BlockNumber: blocknumber,
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Amount: amount,
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GasPrice: gasprice,
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Gas: gas,
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GasLimit: gasLimit,
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Cost: txfee,
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Nonce: nonce,
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Status: status,
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IsContract: isContract,
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Age: age,
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Data: data,
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})
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tx, _ := json.Marshal(arr.TxEntry)
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newtx := string(tx)
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txx = newtx
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}
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return txx
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}
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//GetTransaction fn returns single tx
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func SGetTransaction(sqldb *sql.DB, txHash string) string {
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sqlStatement := `SELECT * FROM txs WHERE txhash=$1;`
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row := sqldb.QueryRow(sqlStatement, txHash)
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var txhash string
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var to_addr string
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var from_addr string
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var blockhash string
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var blocknumber string
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var amount string
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var gasprice uint64
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var gas uint64
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var gasLimit uint64
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var txfee uint64
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var nonce uint64
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var status string
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var isContract bool
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var age time.Time
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var data []byte
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row.Scan(
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&txhash,
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&to_addr,
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&from_addr,
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&blockhash,
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&blocknumber,
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&amount,
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&gasprice,
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&gas,
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&gasLimit,
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&txfee,
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&nonce,
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&status,
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&isContract,
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&age,
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&data)
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tx := ShyftTxEntryPretty{
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TxHash: txhash,
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To: to_addr,
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From: from_addr,
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BlockHash: blockhash,
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BlockNumber: blocknumber,
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Amount: amount,
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GasPrice: gasprice,
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Gas: gas,
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GasLimit: gasLimit,
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Cost: txfee,
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Nonce: nonce,
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Status: status,
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IsContract: isContract,
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Age: age,
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Data: data,
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}
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json, _ := json.Marshal(tx)
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return string(json)
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}
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//GetAccount returns account balances
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func SGetAccount(sqldb *sql.DB, address string) string {
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sqlStatement := `SELECT * FROM accounts WHERE addr=$1;`
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row := sqldb.QueryRow(sqlStatement, address)
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var addr string
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var balance string
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var txCountAccount string
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row.Scan(
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&addr,
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&balance,
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&txCountAccount)
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account := SAccounts{
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Addr: addr,
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Balance: balance,
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TxCountAccount: txCountAccount,
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}
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json, _ := json.Marshal(account)
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return string(json)
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}
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//GetAllAccounts returns all accounts and balances
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func SGetAllAccounts(sqldb *sql.DB) string {
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var array accountRes
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var accountsArr string
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var txCountAccount string
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accs, err := sqldb.Query(`
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SELECT
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addr,
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balance,
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txCountAccount
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FROM accounts`)
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if err != nil {
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fmt.Println(err)
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}
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defer accs.Close()
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for accs.Next() {
|
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var addr string
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var balance string
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err = accs.Scan(
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&addr,
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&balance,
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&txCountAccount,
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)
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array.AllAccounts = append(array.AllAccounts, SAccounts{
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Addr: addr,
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Balance: balance,
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TxCountAccount: txCountAccount,
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})
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|
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accounts, _ := json.Marshal(array.AllAccounts)
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accountsFmt := string(accounts)
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accountsArr = accountsFmt
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}
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return accountsArr
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}
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|
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//GetAccount returns account balances
|
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func SGetAccountTxs(sqldb *sql.DB, address string) string {
|
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var arr txRes
|
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var txx string
|
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sqlStatement := `SELECT * FROM txs WHERE to_addr=$1 OR from_addr=$1;`
|
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rows, err := sqldb.Query(sqlStatement, address)
|
|
if err != nil {
|
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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 string
|
|
var gasprice uint64
|
|
var gas uint64
|
|
var gasLimit uint64
|
|
var txfee uint64
|
|
var nonce uint64
|
|
var status string
|
|
var isContract bool
|
|
var age time.Time
|
|
var data []byte
|
|
err = rows.Scan(
|
|
&txhash,
|
|
&to_addr,
|
|
&from_addr,
|
|
&blockhash,
|
|
&blocknumber,
|
|
&amount,
|
|
&gasprice,
|
|
&gas,
|
|
&gasLimit,
|
|
&txfee,
|
|
&nonce,
|
|
&status,
|
|
&isContract,
|
|
&age,
|
|
&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,
|
|
GasLimit: gasLimit,
|
|
Cost: txfee,
|
|
Nonce: nonce,
|
|
Status: status,
|
|
IsContract: isContract,
|
|
Age: age,
|
|
Data: data,
|
|
})
|
|
|
|
tx, _ := json.Marshal(arr.TxEntry)
|
|
newtx := string(tx)
|
|
txx = newtx
|
|
}
|
|
return txx
|
|
}
|