Module metrics

Metrics module for the application.

• This module contains the global Prometheus registry.
• Defines specific metrics for the application.

Modules

server

Metrics server module

Structs

AVAILABLE_MEMORY

Gauge for available memory in bytes.

CONTRACTS_MONITORED

Gauge for total number of contracts being monitored (across all monitors).

CPU_USAGE

Gauge for CPU usage percentage.

DISK_USAGE

Gauge for used disk space in bytes.

DISK_USAGE_PERCENT

Gauge for disk usage percentage.

MEMORY_USAGE

Gauge for memory usage in bytes.

MEMORY_USAGE_PERCENT

Gauge for memory usage percentage.

MONITORS_ACTIVE

Gauge for number of active monitors (not paused).

MONITORS_TOTAL

Gauge for total number of monitors (active and paused).

NETWORKS_MONITORED

Gauge for total number of networks being monitored.

NETWORK_MONITORS

Gauge Vector for per-network metrics.

REGISTRY

Global Prometheus registry.

RPC_ENDPOINT_ROTATIONS_TOTAL

Counter for RPC endpoint rotations.

RPC_RATE_LIMITS_TOTAL

Counter for RPC rate limit responses (HTTP 429).

RPC_REQUESTS_TOTAL

Counter for total RPC requests.

RPC_REQUEST_DURATION_SECONDS

Histogram for RPC request duration.

RPC_REQUEST_ERRORS_TOTAL

Counter for RPC request errors.

TOTAL_MEMORY

Gauge for total memory in bytes.

TRIGGERS_TOTAL

Gauge for total number of triggers.

Functions

gather_metrics

Gather all metrics and encode into the provided format.

init_rpc_metrics_for_network

Initializes RPC metrics for a network so they appear in Prometheus output with 0 values.

observe_rpc_duration

Observes the duration of an RPC request.

record_endpoint_rotation

Records an RPC endpoint rotation event.

record_rate_limit

Records an RPC rate limit response (HTTP 429).

record_rpc_error

Records an RPC request error.

record_rpc_request

Records an RPC request.

update_monitoring_metrics

Updates metrics related to monitors, triggers, networks, and contracts.

update_system_metrics

Updates the system metrics for CPU and memory usage.