Parachain system state check list

[AurevoirXavier]

Before solo to para

• Patch Cumulus and remove assertions on parachain system
  • Remove HRMP assertion, and log the head & expected head.
  • Remove DMP assertion, and log the head & expected head.

After solo to para

• Set the storage through sudo Set HRMP channels genesis state darwinia-2.0#275 (comment)
  • HRMP state: Get from relaychain hrmp.hrmpChannels and set it to parachain parachainSystem.lastHrmpMqcHeads.
  • DMP state: Get from relaychain dmp.downwardMessageQueueHeads and set it to parachain parachainSystem.lastDmqMqcHead.

Check

• HRMP
• DMP

After testing

• Add back the assertions by removing the patch

[jiguantong]

darwinia-network/cumulus@c9f1eff
I added checks and expected last_hrmp_heads encoded results in this commit so that we can copy directly from the logs.
Please review and use it as needed.

--log cumulus_pallet_parachain_system=debug