paritytech/polkadot v0.9.3

Polkadot v0.9.3

on GitHub

Upgrade priority:❗ HIGH ❗ Please upgrade your node as soon as possible due to changes: Introduce polkadot code substitute (#3093), Introduce code_substitute (paritytech/substrate#8898)

If you are a Polkadot node operator that downgraded to v0.8.30 and included the --execution native flag, this flag should be removed upon upgrading to v0.9.3.

Native runtimes:

• Polkadot: 9030
• Kusama: 9030
• Westend: 9030

This release was tested against the following versions of rustc. Other versions may work.

• rustc 1.51.0 (2fd73fabe 2021-03-23)
• rustc 1.53.0-nightly (7f4afdf02 2021-04-22)

WASM runtimes built with srtool using rustc 1.52.0-nightly (d6eaea1c8 2021-03-14).

Proposal hashes:

• polkadot_runtime-v9030.compact.wasm - 0x2f01d7d469bfa0b61fda46177a13de9acfbd7e6ae7a483ce8139c70d30e78ebe
• kusama_runtime-v9030.compact.wasm - 0x7f1145a01aea4c93b8dd3662e9d74a704c7174c70c049cdd97f5d3b80b8d25d1

Changes

• Introduce polkadot code substitute (#3093)
• Put WIP artifacts next to ready ones (#3057)

Client

• Introduce code_substitute (paritytech/substrate#8898)

Runtime

• ✅ audited add the correct indirection to reward points for backing (#3082)
• ✅ audited Add Proxy Calls to Westend and Kusama (#3080)
• ✅ not live contracts: Add seal_rent_status (paritytech/substrate#8780)