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Merge pull request #22 from ShyftNetwork/writeGenesis

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WriteBlock and GetBlock Function Modification
This commit is contained in:
greg 2018-05-11 10:54:21 -04:00 committed by GitHub
commit 5c59ac75a1
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 85 additions and 24 deletions
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5
shyftDb/postgres_setup/create_tables.psql
View file

@ -1,6 +1,11 @@
CREATE TABLE IF NOT EXISTS blocks (
hash text primary key,
coinbase text,
gasUsed numeric,
gasLimit numeric,
txCount numeric,
uncleCount numeric,
age timestamp,
number bigint
);

70
shyftdb/shyft_database_util.go
View file

@ -6,8 +6,8 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"time"
"strconv"
"database/sql"
"log"
@ -20,6 +20,11 @@ type SBlock struct {
Hash string
Coinbase string
Number string
GasUsed string
GasLimit string
TxCount string
UncleCount string
Age string
}
//blockRes struct
@ -87,8 +92,19 @@ type SendAndReceive struct {
func WriteBlock(sqldb *sql.DB, block *types.Block) error {
coinbase := block.Header().Coinbase.String()
number := block.Header().Number.String()
sqlStatement := `INSERT INTO blocks(hash, coinbase, number) VALUES(($1), ($2), ($3)) RETURNING number`
qerr := sqldb.QueryRow(sqlStatement, block.Header().Hash().Hex(), coinbase, number).Scan(&number)
gasUsed := block.Header().GasUsed
gasLimit := block.Header().GasLimit
txCount := block.Transactions().Len()
uncleCount := len(block.Uncles())
i, err := strconv.ParseInt(block.Time().String(), 10, 64)
if err != nil {
panic(err)
}
age := time.Unix(i, 0)
sqlStatement := `INSERT INTO blocks(hash, coinbase, number, gasUsed, gasLimit, txCount, uncleCount, age) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8)) RETURNING number`
qerr := sqldb.QueryRow(sqlStatement, block.Header().Hash().Hex(), coinbase, number, gasUsed, gasLimit, txCount, uncleCount, age).Scan(&number)
if qerr != nil {
panic(qerr)
}
@ -126,7 +142,7 @@ func WriteTransactions(sqldb *sql.DB, tx *types.Transaction, blockHash common.Ha
gas := txData.Gas
data := txData.Data
to := txData.To
if(to == nil){
if (to == nil){
var retNonce string
sqlStatement := `INSERT INTO txs(txhash, from_addr, blockhash, amount, gasprice, gas, nonce, data) VALUES(($1), ($2), ($3), ($4), ($5), ($6), ($7), ($8)) RETURNING nonce`
qerr := sqldb.QueryRow(sqlStatement, txHash, from, blockHasher, amount, gasPrice, gas, nonce, data).Scan(&retNonce)
@ -317,7 +333,12 @@ func GetAllBlocks(sqldb *sql.DB) string {
SELECT
number,
hash,
coinbase
coinbase,
gasused,
gaslimit,
txcount,
unclecount,
age
FROM blocks`)
if err != nil {
fmt.Println("err")
@ -328,16 +349,32 @@ func GetAllBlocks(sqldb *sql.DB) string {
var num string
var hash string
var coinbase string
var gasUsed string
var gasLimit string
var txCount string
var uncleCount string
var age string
err = rows.Scan(
&num,
&hash,
&coinbase,
&gasUsed,
&gasLimit,
&txCount,
&uncleCount,
&age,
)
arr.Blocks = append(arr.Blocks, SBlock{
Hash: hash,
Number: num,
Coinbase: coinbase,
GasUsed: gasUsed,
GasLimit: gasLimit,
TxCount: txCount,
UncleCount: uncleCount,
Age: age,
})
blocks, _ := json.Marshal(arr.Blocks)
@ -355,12 +392,31 @@ func GetBlock(sqldb *sql.DB) string {
var num string
var hash string
var coinbase string
row.Scan(&num, &hash, &coinbase)
var gasUsed string
var gasLimit string
var txCount string
var uncleCount string
var age string
row.Scan(
&num,
&hash,
&coinbase,
&gasUsed,
&gasLimit,
&txCount,
&uncleCount,
&age,)
block := SBlock{
Hash: hash,
Number: num,
Coinbase: coinbase,
GasUsed: gasUsed,
GasLimit: gasLimit,
TxCount: txCount,
UncleCount: uncleCount,
Age: age,
}
json, _ := json.Marshal(block)
return string(json)

32
simulations/sendTransactions.js
View file

@ -2,7 +2,7 @@ var firstAccount = web3.eth.accounts[0]
var secondAccount = web3.eth.accounts[1]
var thirdAccount = web3.eth.accounts[2]
for (var i = 0; i < 1; i++) {
for (var i = 0; i < 10; i++) {
console.log('\t\t' + (i + 1) + ' - Transactions')
web3.eth.sendTransaction({
from: web3.eth.accounts[1],
@ -11,19 +11,19 @@ for (var i = 0; i < 1; i++) {
gas: 50000,
gasPrice: 20
});
// web3.eth.sendTransaction({
// from: web3.eth.accounts[1],
// to: web3.eth.accounts[2],
// value: 291,
// gas: 50000,
// gasPrice: 20
// });
//
// web3.eth.sendTransaction({
// from: web3.eth.accounts[0],
// to: web3.eth.accounts[1],
// value: 53039,
// gas: 50000,
// gasPrice: 20
// });
web3.eth.sendTransaction({
from: web3.eth.accounts[0],
to: web3.eth.accounts[2],
value: 291,
gas: 50000,
gasPrice: 20
});
web3.eth.sendTransaction({
from: web3.eth.accounts[0],
to: web3.eth.accounts[1],
value: 53039,
gas: 50000,
gasPrice: 20
});
}