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This commit is contained in:
laisolizq
2020-11-09 17:01:35 +01:00
parent a1b9720e77
commit 9edf9d2168
4 changed files with 65 additions and 5 deletions
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49
db/historydb/historydb.go
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@@ -1475,7 +1475,12 @@ func (hdb *HistoryDB) GetMetrics(lastBatchNum common.BatchNum) (*Metrics, error)
}
metrics.TransactionsPerSecond = float64(metricsTotals.TotalTransactions / (24 * 60 * 60))
metrics.TransactionsPerBatch = float64(int64(metricsTotals.TotalTransactions) / int64(lastBatchNum-metricsTotals.FirstBatchNum))
if (lastBatchNum - metricsTotals.FirstBatchNum) > 0 {
metrics.TransactionsPerBatch = float64(int64(metricsTotals.TotalTransactions) /
int64(lastBatchNum-metricsTotals.FirstBatchNum))
} else {
metrics.TransactionsPerBatch = float64(0)
}
err = meddler.QueryRow(
hdb.db, metricsTotals, `SELECT COUNT(*) AS total_batches,
@@ -1484,10 +1489,16 @@ func (hdb *HistoryDB) GetMetrics(lastBatchNum common.BatchNum) (*Metrics, error)
if err != nil {
return nil, err
}
metrics.BatchFrequency = float64((24 * 60 * 60) / metricsTotals.TotalBatches)
metrics.AvgTransactionFee = metricsTotals.TotalFeesUSD / float64(metricsTotals.TotalTransactions)
if metricsTotals.TotalBatches > 0 {
metrics.BatchFrequency = float64((24 * 60 * 60) / metricsTotals.TotalBatches)
} else {
metrics.BatchFrequency = 0
}
if metricsTotals.TotalTransactions > 0 {
metrics.AvgTransactionFee = metricsTotals.TotalFeesUSD / float64(metricsTotals.TotalTransactions)
} else {
metrics.AvgTransactionFee = 0
}
err = meddler.QueryRow(
hdb.db, metrics,
`SELECT COUNT(*) AS total_bjjs, COUNT(DISTINCT(bjj)) AS total_accounts FROM account;`)
@@ -1497,3 +1508,31 @@ func (hdb *HistoryDB) GetMetrics(lastBatchNum common.BatchNum) (*Metrics, error)
return metrics, nil
}
// GetAvgTxFee returns average transaction fee of the last 1h
func (hdb *HistoryDB) GetAvgTxFee() (float64, error) {
metricsTotals := &MetricsTotals{}
err := meddler.QueryRow(
hdb.db, metricsTotals, `SELECT COUNT(tx.*) as total_txs, MIN(tx.batch_num) as batch_num
FROM tx INNER JOIN block ON tx.eth_block_num = block.eth_block_num
WHERE block.timestamp >= NOW() - INTERVAL '1 HOURS';`)
if err != nil {
return 0, err
}
err = meddler.QueryRow(
hdb.db, metricsTotals, `SELECT COUNT(*) AS total_batches,
SUM(total_fees_usd) AS total_fees FROM batch
WHERE batch_num > $1;`, metricsTotals.FirstBatchNum)
if err != nil {
return 0, err
}
var avgTransactionFee float64
if metricsTotals.TotalTransactions > 0 {
avgTransactionFee = metricsTotals.TotalFeesUSD / float64(metricsTotals.TotalTransactions)
} else {
avgTransactionFee = 0
}
return avgTransactionFee, nil
}