Track lag for block time to ingestion time

[Christopher-Li]

Changelist

Track lag for block time to ingestion time

Test Plan

None, just adding metrics

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Commits

Files that changed from the base of the PR and between d6fa5fd and 0a38535.

Walkthrough

The update to the onMessage function in the Ender indexer service involves using the luxon library to calculate the time difference between the current time and the time a block was received. This time lag is then recorded for monitoring purposes. The change includes importing the DateTime class from luxon and implementing the time difference calculation within the onMessage function.

Changes

File Path	Change Summary
.../ender/src/lib/on-message.ts	Imported DateTime from luxon. Updated onMessage() to calculate and record the time lag between the current time and the block time using luxon.

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