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onflow / flow-evm-gateway

FlowEVM Gateway implements an Ethereum-equivalent JSON-RPC API for EVM clients to use
https://developers.flow.com/evm/about
Apache License 2.0
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Monitor operator balance #487

Closed sideninja closed 1 month ago

sideninja commented 1 month ago

Description

Monitor operator wallet balance and report metrics. It should be configured to an alarm so the balance doesn't fall too low.

For contributor use:

Summary by CodeRabbit

coderabbitai[bot] commented 1 month ago

[!CAUTION]

Review failed

The pull request is closed.

Walkthrough

The changes introduce enhancements to the metrics collection system by adding a method for tracking operator balances in both the Collector interface and the nopCollector struct. The DefaultCollector struct is updated to include a Prometheus gauge for the operator's balance. Additionally, relevant method calls are integrated into the EVM struct's functionality, thereby improving the overall observability of account metrics.

Changes

Files Change Summary
metrics/collector.go Added OperatorBalance(account *flow.Account) method to Collector interface and DefaultCollector. Introduced operatorBalance Prometheus gauge in DefaultCollector. Updated NewCollector to initialize the gauge and set its value in the OperatorBalance method.
metrics/nop.go Added OperatorBalance(account *flow.Account) method to nopCollector, enhancing its interaction with Flow accounts. Included import for Flow SDK.
services/requester/requester.go Added e.collector.OperatorBalance(account) call in getSignerNetworkInfo method of EVM struct, updating control flow to include operator balance retrieval.

Sequence Diagram(s)

sequenceDiagram
    participant EVM
    participant Collector
    participant Account

    EVM->>Collector: OperatorBalance(account)
    Collector->>Account: Retrieve balance
    Account-->>Collector: Return balance
    Collector-->>EVM: Update operator balance

🐰 "In the meadow where numbers play,
A balance was added to brighten the day.
With collectors now keen,
And metrics so clean,
The rabbits hop high, come join in the fray!"
🌼

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