remove_announcement
Call v149 → current #7Cancel a pending announcement made by this proxy .
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with remove_announcement, passing through validation
(signature, nonce, mortality, fee payment), then pre-dispatch checks, followed by dispatch and modifies storage: Announcements, and finally post-dispatch where ExtrinsicSuccess is emitted and fees are settled.
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
Click items to navigate. Pan and zoom to explore.
Used by: validatorsdeveloperswallets
Use Cases
- Cancel accidental announcements
- Change plans
From Chain Metadata
See [`Pallet::remove_announcement`].
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | real | MultiAddress AccountIdLookupOf<T> | Account for which announcement was made |
| 1 | call_hash | H256 CallHashOf<T> | Hash of the call to remove announcement for |
Permissions
Origin
Unknown
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Announcement exists
- Caller is the proxy that made it
Effects
Storage Modified
Postconditions
- Announcement removed
- Deposit returned
Side Effects
- The announced call can no longer be executed
Code Examples
// ----------------------------------------------------------------------
// HEADS UP: 1 arg below has a complex type with no usable default.
// Look for `undefined as any` and replace it with real value
// before running — the snippet compiles, but will fail at runtime as-is.
// ----------------------------------------------------------------------
import { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443
const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);
// Build remove_announcement call (typed, named args)
const real = undefined as any /* MultiAddress — replace with real value */;
const call_hash = "0x0000000000000000000000000000000000000000000000000000000000000000";
const tx = api.tx.Proxy.remove_announcement({
real,
call_hash,
});Runtime Info
- Pallet Index
- 16
- Call Index
- 7
- First Version
- v149
- Current Version
- v411