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| // Copyright 2018 The Fractal Team Authors | ||
| // This file is part of the fractal project. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
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| package blockchain | ||
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| import ( | ||
| "time" | ||
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| "github.com/fractalplatform/fractal/types" | ||
| "github.com/fractalplatform/fractal/common" | ||
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| "github.com/ethereum/go-ethereum/log" | ||
| ) | ||
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| // insertStats tracks and reports on block insertion. | ||
| type insertStats struct { | ||
| queued, processed, ignored, txsCnt int | ||
| usedGas uint64 | ||
| startTime time.Time | ||
| } | ||
|
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| // statsReportLimit is the time limit during import and export after which we | ||
| // always print out progress. This avoids the user wondering what's going on. | ||
| const statsReportLimit = 8 * time.Second | ||
|
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| // report prints statistics if some number of blocks have been processed | ||
| // or more than a few seconds have passed since the last message. | ||
| func (st *insertStats) report(chain []*types.Block, index int) { | ||
| // Fetch the timings for the batch | ||
| var ( | ||
| now = time.Now() | ||
| elapsed = now.Sub(st.startTime) | ||
| ) | ||
| // If we're at the last block of the batch or report period reached, log | ||
| if index == len(chain)-1 || elapsed >= statsReportLimit { | ||
| end := chain[index] | ||
|
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| // Assemble the log context and send it to the logger | ||
| context := []interface{}{ | ||
| "blocks", st.processed, "txs", st.txsCnt, "mgas", float64(st.usedGas) / 1000000, | ||
| "elapsed", common.PrettyDuration(elapsed), "mgasps", float64(st.usedGas) * 1000 / float64(elapsed), | ||
| "number", end.Number(), "hash", end.Hash(), | ||
| } | ||
|
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| if st.queued > 0 { | ||
| context = append(context, []interface{}{"queued", st.queued}...) | ||
| } | ||
| if st.ignored > 0 { | ||
| context = append(context, []interface{}{"ignored", st.ignored}...) | ||
| } | ||
| log.Info("Imported new chain segment", context...) | ||
|
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| // Bump the stats reported to the next section | ||
| *st = insertStats{startTime: now,} | ||
| } | ||
| } |