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preimage — Call Preimage Management

Store and manage call preimages on-chain. Preimages are the encoded call data referenced by hash in governance proposals and scheduled calls.

Subcommands

preimage note

Store a call preimage on-chain. Returns the preimage hash.

agcli preimage note --pallet SubtensorModule --call add_stake \
  --args '["5Hotkey...", 1, 1000000000]'
# Output: Preimage hash: 0x...

preimage unnote

Remove a previously stored preimage.

agcli preimage unnote --hash 0x...

Use Cases

  • Store call data for governance proposals
  • Prepare calls for scheduler to execute later
  • Pre-register complex extrinsic data

On-chain Pallet

  • Preimage::note_preimage(bytes) — Store encoded call
  • Preimage::unnote_preimage(hash) — Remove stored preimage

Related Commands

  • agcli scheduler schedule — Schedule a call for future execution