New¶

	Source (upstream pre-purge)	Current
File	`consensus/ethash/ethash.go`	`ethash.go`
Symbol	`New`	`New`
Ref	`dde2da0ef~1`	`etc/v1.17.4-full-node`

NewMeterForced() call kept as in the original; the forced constructor is revived in metrics/meter_forced.go (see Metrics). core-geth adapted this call to NewMeter() instead (7239c0bc9), which without --metrics constructs a NilMeter — its local hashrate permanently reads 0.

3-way merge — purge → getc ← upstream¶

pre-purge

↗// New creates a full sized ethash PoW scheme and starts a background thread for

// remote mining, also optionally notifying a batch of remote services of new work

// packages.

func New(config Config, notify []string, noverify bool) *Ethash {

if config.Log == nil {

config.Log = log.Root()

}

if config.CachesInMem <= 0 {

config.Log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem)

config.CachesInMem = 1

}

if config.CacheDir != "" && config.CachesOnDisk > 0 {

config.Log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk)

}

if config.DatasetDir != "" && config.DatasetsOnDisk > 0 {

config.Log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk)

}

ethash := &Ethash{

config: config,

caches: newlru(config.CachesInMem, newCache),

datasets: newlru(config.DatasetsInMem, newDataset),

update: make(chan struct{}),

hashrate: metrics.NewMeterForced(),

}

if config.PowMode == ModeShared {

ethash.shared = sharedEthash

}

ethash.remote = startRemoteSealer(ethash, notify, noverify)

return ethash

}

core-geth validation — +1 -1

| | | |---|---| | File | [`ethash.go`](https://github.com/etclabscore/core-geth/blob/v1.12.20/consensus/ethash/ethash.go) | | Symbol | `New` | | Ref | `v1.12.20` |

--- a/core-geth/consensus/ethash/ethash.go
+++ b/etc/consensus/ethash/ethash.go
@@ -20,7 +20,7 @@
        caches:   newlru(config.CachesInMem, newCache),
        datasets: newlru(config.DatasetsInMem, newDataset),
        update:   make(chan struct{}),
-       hashrate: metrics.NewMeter(),
+       hashrate: metrics.NewMeterForced(),
    }
    if config.PowMode == ModeShared {
        ethash.shared = sharedEthash

← Consensus & Ethash