26 releases (major breaking)

new 21.1.0 Mar 27, 2025
20.0.1 Jan 27, 2025
19.0.0 Jan 22, 2025
18.0.1 Jan 23, 2025
0.0.0 Nov 21, 2022

#1 in #rococo

Download history 1069/week @ 2024-12-04 1370/week @ 2024-12-11 1070/week @ 2024-12-18 845/week @ 2024-12-25 815/week @ 2025-01-01 1064/week @ 2025-01-08 946/week @ 2025-01-15 1082/week @ 2025-01-22 983/week @ 2025-01-29 1072/week @ 2025-02-05 1063/week @ 2025-02-12 885/week @ 2025-02-19 1039/week @ 2025-02-26 873/week @ 2025-03-05 1200/week @ 2025-03-12 891/week @ 2025-03-19

4,155 downloads per month
Used in 17 crates (2 directly)

GPL-3.0-only

730KB
7.5K SLoC

Rococo: v2.1

Rococo is a testnet runtime with no stability guarantees.

How to build rococo runtime

EpochDurationInBlocks parameter is configurable via ROCOCO_EPOCH_DURATION environment variable. To build wasm runtime blob with customized epoch duration the following command shall be executed:

ROCOCO_EPOCH_DURATION=10 ./polkadot/scripts/build-only-wasm.sh rococo-runtime /path/to/output/directory/

How to run rococo-local

The Cumulus Tutorial details building, starting, and testing rococo-local and parachains connecting to it.

How to register a parachain on the Rococo testnet

The parachain registration process on the public Rococo testnet is also outlined.

Release

Polkadot SDK Stable 2412


lib.rs:

The Rococo runtime for v1 parachains.

Dependencies

~35–52MB
~899K SLoC