Vlad

### Implementation ideas Unit test is flaky with and occasionally fails with error: ``` Received unexpected error: deliverTxSub was cancelled (reason: CometBFT exited) ```

feat(shwap/bitswap): add blockstore metrics

1

Add telemetry for server side of bitswap (blockstore) operations.

feat(shrex/server): use io.LimitReader for reading requests in server side.

1

### Implementation ideas Shrex server implementation should know in advance the amount of data expected to be read from the stream. Use io.LimitReader on server side.

### Implementation ideas Blobstream API is missing in https://node-rpc-docs.celestia.org/?version=v0.17.1

### Implementation ideas Add runtime / system level metric to have observability of disk iops

feat(API): Add signing api to the node

2

### Implementation ideas Add API to sign an arbitrary bytes using node key and return it to the caller.

### Implementation ideas Currently, celestia-node requires a single core.Ip for posting data. If that IP is unavailable, the node can't post data, leading to failure. Suggestion: Allow users to specify...

fix(ci): detect breaking ci by comparing with base branch instead of main

4

Refactor the action to: - compare changes with target branch instead of main - detect base branch changes to trigger ci - don't apply kind:break! if breaking changes are detected,...

### Implementation ideas Need to add system resources consumption metrics: - disk space used: - headers - blocks data - Bandwidth

feat(metrics): export prometheus metrics to otel

1

Instead of running prometheus server, send prometheus collected metrics by otel exporter