This call was removed in v148
This call is no longer available in the current runtime. Existed from v101 to v148. Shown here for historical reference.
set_balance
Call Removed v101 → v148 (removed) #1Set the balances of a given account.
Call Workflow
This diagram shows the call execution flow: starting with set_balance, 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
Set the balances of a given account. This will alter `FreeBalance` and `ReservedBalance` in storage. it will also alter the total issuance of the system (`TotalIssuance`) appropriately. If the new free or reserved balance is below the existential deposit, it will reset the account nonce (`frame_system::AccountNonce`). The dispatch origin for this call is `root`.
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | who | MultiAddress | who (MultiAddress) |
| 1 | new_free | Compact<u64> Cpt | new_free (Compact<u64>) (SCALE compact -> integer) |
| 2 | new_reserved | Compact<u64> Cpt | new_reserved (Compact<u64>) (SCALE compact -> integer) |
Permissions
Origin
Unknown
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Caller authorized to make changes
Effects
Postconditions
- Value successfully updated
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 set_balance call
const who = 0 as any /* MultiAddress */;
const new_free = 0;
const new_reserved = 0;
const call = api.tx[stringCamelCase("Balances")][stringCamelCase("set_balance")](
who,
new_free,
new_reserved
);Runtime Info
- Pallet Index
- 5
- Call Index
- 1
- First Version
- v101
- Removed In
- v148