with_weight
Call v120 → current #5Dispatches a call with a specified weight (root only).
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with with_weight, 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.
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From Chain Metadata
Dispatch a function call with a specified weight. This function does not check the weight of the call, and instead allows the Root origin to specify the weight of the call. The dispatch origin for this call must be _Root_.
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | call | RuntimeCall | call (RuntimeCall) |
| 1 | weight | Weight | weight (Weight) |
Permissions
Origin
Root
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Caller is root/sudo
Effects
Postconditions
- Call executed with specified weight
Side Effects
- Bypasses normal weight calculation
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 with_weight call
const call = 0 as any /* RuntimeCall */;
const weight = 0 as any /* Weight */;
const call = api.tx[stringCamelCase("Utility")][stringCamelCase("with_weight")](
call,
weight
);Runtime Info
- Pallet Index
- 11
- Call Index
- 5
- First Version
- v120
- Current Version
- v393