AuthorizedUpgrade

Storage Plain v151 → v411

Pending authorized upgrade code hash.

Explore chain

Queried by: validatorsdevelopersanalytics

The Big Picture

When authorize_upgrade is called, the code hash is stored here.

Use Cases

Check if upgrade is pending
Monitor governance-approved upgrades

From Chain Metadata

`Some` if a code upgrade has been authorized.

Purpose & Usage

Purpose

Store pre-approved upgrade for later application.

Common Query Patterns

Single value query

Stored Value

CodeUpgradeAuthorization

value (CodeUpgradeAuthorization)

Relationships

Modified By

apply_authorized_upgrade authorize_upgrade authorize_upgrade_without_checks

Code Examples

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);

// Query AuthorizedUpgrade storage (no keys - plain value)
const result = await api.query.System.AuthorizedUpgrade.getValue();
console.log("AuthorizedUpgrade:", result);

Version History

Version:

v151 block 3,157,274 Added

v154 block 3,308,611 Internal re-bind

v166–v194 · runtime versions skipped on chain (never deployed)

v195 block 3,791,350 Internal re-bind

v207–v209 · runtime versions skipped on chain (never deployed)

v210 block 4,345,556 Internal re-bind

v213–v215 · runtime versions skipped on chain (never deployed)

v216 block 4,510,996 Internal re-bind

v235–v237 · runtime versions skipped on chain (never deployed)

v238 block 4,936,550 Internal re-bind

v266–v272 · runtime versions skipped on chain (never deployed)

v273 block 5,659,032 Internal re-bind

v278–v289 · runtime versions skipped on chain (never deployed)

v290 block 5,947,548 Internal re-bind

v307–v314 · runtime versions skipped on chain (never deployed)

v315 block 6,414,634 Internal re-bind

v316–v319 · runtime versions skipped on chain (never deployed)

v320 block 6,523,566 Internal re-bind

v327–v333 · runtime versions skipped on chain (never deployed)

v334 block 6,811,690 Internal re-bind

v353–v360 · runtime versions skipped on chain (never deployed)

v361 block 7,063,679 Internal re-bind

v386–v390 · runtime versions skipped on chain (never deployed)

v391 block 7,782,857 Internal re-bind

v394–v400 · runtime versions skipped on chain (never deployed)

v401 block 8,036,576 Internal re-bind Current

Runtime Info

Pallet: System
Storage Kind: Plain
First Version: v151
Current Version: v411

Back to System Storage