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metrics.go
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metrics.go
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// Copyright (C) 2019-2022, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package avm
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/ava-labs/avalanchego/utils/metric"
"github.com/ava-labs/avalanchego/utils/wrappers"
)
type metrics struct {
numTxRefreshes, numTxRefreshHits, numTxRefreshMisses prometheus.Counter
apiRequestMetric metric.APIInterceptor
}
func (m *metrics) Initialize(
namespace string,
registerer prometheus.Registerer,
) error {
m.numTxRefreshes = prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "tx_refreshes",
Help: "Number of times unique txs have been refreshed",
})
m.numTxRefreshHits = prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "tx_refresh_hits",
Help: "Number of times unique txs have not been unique, but were cached",
})
m.numTxRefreshMisses = prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "tx_refresh_misses",
Help: "Number of times unique txs have not been unique and weren't cached",
})
apiRequestMetric, err := metric.NewAPIInterceptor(namespace, registerer)
m.apiRequestMetric = apiRequestMetric
errs := wrappers.Errs{}
errs.Add(
err,
registerer.Register(m.numTxRefreshes),
registerer.Register(m.numTxRefreshHits),
registerer.Register(m.numTxRefreshMisses),
)
return errs.Err
}