Epic: Agent Reliability

[nambrot]

Relayer

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1. https://github.com/hyperlane-xyz/issues/issues/391
2. Use Jito for tx submission on Solana v2 #3434
   agent solana +2
   
3. Retry messages in the relayer queue via on demand API #3098
   agent operations +2
   
4. Fix BSC transaction submission errors: "transaction underpriced: tip needed 3000000000, tip permitted 1000000000" #3396
   agent aw-infra bug operations +4
   
5. Agents: basic transaction overrides (gas price, gas limit, eip 1559 gas prices) #3562
   agent +1
   
6. Forward-Backward Message Processor #3796
   relayer +1
   
7. Debug seemingly missed events in message indexing #3816
   relayer +1
   
8. Relayer startup is slow #3454
   4 of 8
   agent relayer +2
9. Investigate ethers-rs middleware for "stuck" txs #2959
   agent aw-infra operations +3
   
10. Retry messages based on origin in the relayer #3571
    agent extra-small good first issue operations relayer +5
11. Relayer startup is fast even with empty db #3885
    relayer +1
    
12. Don't build metadata for a message that certainly has not met the gas payment requirement #3090
    agent +1
    
13. https://github.com/hyperlane-xyz/issues/issues/868
14. https://github.com/hyperlane-xyz/issues/issues/401
15. Make the relayer transaction timeout duration configurable #3509
    agent relayer +2
16. https://github.com/hyperlane-xyz/issues/issues/1220
17. https://github.com/hyperlane-xyz/issues/issues/1257
18. Relayer retry API: retry a subset of messages #4079
    agent bounty small +3
19. https://github.com/hyperlane-xyz/issues/issues/1294
20. Message Batching: Dynamic batch size #3632
    relayer +1
21. Message lifecycle monitoring #4602
    relayer +1
22. Alerts for stuck messages that should’ve been deliverable #4603
    +0
23. Slight inaccuracy in operation queues length metric #4692
    bug relayer +2
24. Relayer can still crash upon startup due to bad RPCs #4887
    agent +1
    
25. Relayer double applies a gas buffer for txs, and uses post-buffer gas amounts when enforcing IGP gas amounts #5061
    agent +1
    

Scraper

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1. https://github.com/hyperlane-xyz/issues/issues/1055

Cosmos reliability

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1. Cosmos RPC fallback provider #3425
   agent cosmos extra-small operations +4
2. Cosmos block-by-block indexing RPC errors should be easier to debug #3424
   agent cosmos dx indexing operations +5
3. feat: Graceful processing of unparseable blocks and transactions #4632
   agent cosmos +2
   
4. feat: Add support for non-native tokens as txn fees #4633
   agent cosmos +2
5. feat: Add support for gas payment expressed in a non-native tokens #4634
   agent cosmos explorer +3
   
6. feat: Add tactical support for non-native tokens as txn fees #4641
   agent cosmos +2
7. feat: Add support for transactions originated from Celestia #4646
   agent cosmos +2
   

All Agents

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1. https://github.com/hyperlane-xyz/issues/issues/1143
2. Use a single FallbackProvider per chain in agents #3225
   agent +1
   
3. RPC requests should not excessive when an RPC node returns errors #2427
   agent bug +2
4. FallbackProvider health should consider whether a provider's block number is behind the others #3226
   agent +1
   
5. Come up with better agent FallbackProvider liveness heuristic #3304
   agent bug +2
   
6. https://github.com/hyperlane-xyz/issues/issues/418
7. Plaintext gRPC URLs set with the https prefix should throw a better error message #3465
   agent cosmos +2
8. Expose metrics for sequence indexing cursor progress #4715
   agent bounty monitoring small +4

Validator

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1. Self-announcement bug: Ethereum balance check in announce_tokens_needed looks for validator address balance #2875
   agent bug good first issue +3
2. https://github.com/hyperlane-xyz/issues/issues/596
3. Validator should be able to be configured to use GCP storage for checkpoints #4069
   agent good first issue +2
   
4. Investigate slower checkpoint backfill signing in chains with many dispatched messages #4306
   agent validator +2

Tasks

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1. Caching ISM configurations in the relayer #3746
   bounty medium relayer +3
   

Sealevel

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1. Better error logging when Sealevel RPCs go wrong #4737
   agent alt-VM +2
2. Sealevel RPC failure / success metrics and alerts #4738
   agent alt-VM +2
3. Fallback RPC Providers for Sealevel #2643
   solana +1

Longer range / preventative measures

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1. https://github.com/hyperlane-xyz/issues/issues/1406
2. https://github.com/hyperlane-xyz/issues/issues/1407
3. Upgrade libraries that are now old