MultisigApproval

Event v123 → current #1

Emitted when a signatory approves a pending multisig operation.

View events on chain

Useful for: developerswalletsvalidators

The Big Picture

Another signatory has approved the pending operation. Track these to see approval momentum.

Use Cases

Track approval progress on pending operations
Notify remaining signatories of progress

From Chain Metadata

A multisig operation has been approved by someone.

Triggers

Emitted by

as_multi approve_as_multi

Preconditions

Multisig operation exists
Caller is an authorized signatory
Caller hasn't already approved

Effects

Storage Modified

Multisigs

Postconditions

Approval recorded in storage
Approval count increased

Event Data

#	Name	Type	Description
0	approving	AccountId	Account that approved the operation (hex -> SS58)
1	timepoint	Timepoint	Block height and extrinsic index when operation was created
2	multisig → multisig_account	AccountId	The derived multisig account address (hex -> SS58)
3	call_hash	[u8; 32] [32]	Blake2-256 hash of the call to be executed

Code Examples

import { ApiPromise, WsProvider } from "@polkadot/api";
import { stringCamelCase } from "@polkadot/util";

const provider = new WsProvider("wss://entrypoint-finney.opentensor.ai:443");
const api = await ApiPromise.create({ provider });

// Subscribe to MultisigApproval events
api.query.system.events((events) => {
  events
    .filter(({ event }) =>
      event.section === stringCamelCase("Multisig") &&
      event.method === "MultisigApproval"
    )
    .forEach(({ event }) => {
      console.log("MultisigApproval:", event.data.toHuman());
    });
});

Runtime Info

Pallet Index: 13
Event Index: 1
First Version: v123
Current Version: v393

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