This call was removed in v326
This call is no longer available in the current runtime. Existed from v123 to v326. Shown here for historical reference.
swap_member
Call Removed v123 → v326 (removed) #2Replaces a Triumvirate member.
Call Workflow
This diagram shows the call execution flow: starting with swap_member, passing through validation
(signature, nonce, mortality, fee payment), then pre-dispatch checks, followed by dispatch, 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: validators
The Big Picture
Clean handoff of power.
Use Cases
- Member transitions
From Chain Metadata
Swap out one member `remove` for another `add`. May only be called from `T::SwapOrigin`. Prime membership is *not* passed from `remove` to `add`, if extant.
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | remove | MultiAddress | remove (MultiAddress) |
| 1 | add | MultiAddress | add (MultiAddress) |
Permissions
Origin
Unknown
Required Role
Requirements
- Origin has authority
Effects
Postconditions
- Member swapped
Side Effects
- Emits MembersSwapped
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 });
// Build swap_member call
const remove = 0 as any /* MultiAddress */;
const add = 0 as any /* MultiAddress */;
const call = api.tx[stringCamelCase("TriumvirateMembers")][stringCamelCase("swap_member")](
remove,
add
);Runtime Info
- Pallet Index
- 9
- Call Index
- 2
- First Version
- v123
- Removed In
- v326