Module metrics 

Metrics subsystem

Metrics Module

This module provides a singleton implementation for managing metrics.

Structs

HistogramTiming

Measure execution time and record as a metric.

Prometheus

Prometheus is a struct that represents a Prometheus exporter server.

Enums

Error

Error returned by metrics subsystem

Constants

DEFAULT_PROMETHEUS_PORT

Default Prometheus port (29090)

GAUGE_CREDIT_WITHDRAWAL_LIMIT_AVAILABLE

Withdrawal daily limit available credits

GAUGE_CREDIT_WITHDRAWAL_LIMIT_TOTAL

Total withdrawal daily limit in credits

LABEL_ABCI_RESPONSE_CODE

Metrics label to specify ABCI response code

LABEL_CHECK_TX_MODE

Metrics label to specify check tx mode: 0 - first time check, 1 - recheck

LABEL_STATE_TRANSITION_NAME

Metrics label to specify state transition name

Functions

abci_last_block_time

Set time of last block into [COUNTER_LAST_BLOCK_TIME].

abci_last_finalized_round

Add round of last finalized round to [HISTOGRAM_FINALIZED_ROUND] metric.

abci_last_platform_height

Sets the last finalized height metric to the provided height value.

abci_request_duration

Returns a [HistogramTiming] instance for measuring ABCI request duration.

abci_response_code_metric_label

Create a label for the response code.

endpoint_metric_label

Create a label for the endpoint.

query_duration_metric

Returns a [HistogramTiming] instance for measuring query duration.

state_transition_execution_histogram

Store a histogram metric for state transition processing duration