top10_pallets.md

Top 10 Pallets with code and migrations examples

# Pallet Name	Version	Default Migrations
Scheduler	v2 > v3	Yes
Preimage	0 > 1	Yes
Pallet Timestamp		todo
Bag List

Pallet Name:

Example code:

Scheduler

From version: v2
To version: v3

Runtime upgrade migration code:

Storage changes

Link to latest source code: https://github.com/paritytech/substrate/blob/polkadot-v0.9.32/frame/scheduler/src/migration.rs

Preimage

From version: 0
To version: 1

Runtime upgrade migration code:

Storage changes

Link to latest source code: https://github.com/paritytech/substrate/blob/polkadot-v0.9.32/frame/preimage/src/migration.rs

Links:

Uptest polkadot Treasury proposal