Introduce pallet-dap-satellite for fund collection on relay-chain and system chains #10597
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Introduce an initial version of the Dynamic Allocation Pool (DAP). It makes possible to collect funds that would otherwise be burned, into the DAP buffer on AssetHub. On Westend AssetHub: - Treasury unspent and staking slashes are now redirected to the DAP buffer instead of being burned. - All user-initiated burns also go to the DAP buffer instead of reducing total issuance. Events: - FundsReturned is emitted only for explicit user actions (e.g., burn extrinsic via FundingSink). Automatic system operations like fee handling and slashes via OnUnbalanced do NOT emit events to avoid bloating blocks with tons of events per block.
This is done in order to reduce the scope of the initial changes. We comment out the BurnDestination from pallet-balances config so that we avoid to introduce a breaking change for all runtimes. This is initially acceptable since burn extrinsic is rarely used.
sigurpol
added
T2-pallets
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📝 Summary
🚀 Runtimes
people-westend
which burns tokens directly
🔜 Coming next
In future PRs, we will hook the logic to periodically send funds from the satellite to the main DAP on AssetHub.
Related PRs / issues
Followup of #10576.
Close #10488.