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paritytech / polkadot-introspector

A collection of tools focused on debugging and monitoring the relay chain and parachain progress from a 🐦-view

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Parachain Commander: handle forks

sandreim opened this issue · comments

commented

Stats might be incorrect when we have forks (we subscribe to the best block stream). This should be handled and accounted for.

2022-12-14T07:28:36.000000000Z +6000ms [#63168]
        CANDIDATE BACKED
        💜 Candidate hash: 0xd4369e2e5a4ad4c541c23790d6849497d99b12f85f89a956b5d3d5bd00131280 
        🔗 Relay block hash: 0xe1b285daefe9c9e84bb91a2211fd69771eff7742bc3c8a875597078eb0abc66f 
        🥝 Availability core OCCUPIED

2022-12-14T07:28:36.001000000Z +1ms [#63168]
        CANDIDATE BACKED
        💜 Candidate hash: 0xd4369e2e5a4ad4c541c23790d6849497d99b12f85f89a956b5d3d5bd00131280 
        🔗 Relay block hash: 0x5b7c92b2ba448f305150564cbbc6894bcce3015614140c18e23b6d8aafe469ff 
        🥝 Availability core OCCUPIED

2022-12-14T07:29:42.000000000Z +6000ms [#63179]
        CANDIDATE INCLUDED
        💜 Candidate hash: 0xceb89b2b7dcb71f6b8f5d5e800f399e7f81f9ec99a8b94b4ebd5f29027485508 
        🟢 Availability bits: 259/260
        🔗 Relay block hash: 0xb64f33265bcfb17054207e511a22c2c9a07eaa971ebee8786995413b015add48 
        🥝 Availability core FREE

2022-12-14T07:29:42.001000000Z +1ms [#63179]
        SLOW BACKING, no candidate backed
        🔗 Relay block hash: 0x65a3c5088a051111213916d4d04448c77dad5af4f1675fe9f66bd58e170536de 
        🥝 Availability core OCCUPIED
commented

In fact, I have changed that in the recent Subxt migration/refactoring: it is now subscribe_all.

commented

I was trying to introduce a CLI parameter to specify which stream to look at and that didn't work out without massive code duplication. Maybe this became easier to do because of your change.

commented

This is done now I think.