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substrate-state-machine

v2512.1.0 Stable

ISMP state machine client implementation for substrate-based chains

Apache-2.0 Edition 2021
#interoperability#substrate#polkadot-sdk#ismp

Quick Verdict

  • โœ“Actively maintained (updated 44d ago)
  • โœ“Stable API (2512.x for 2+ years)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (Apache-2.0)
  • !94% of releases were yanked

Security

Checking security advisories...
Downloads
26.0K
Dependents
56
Releases
17
Size
78KB

Deep Insights

๐Ÿ“Š
Stable downloads

761 downloads in the last 30 days (25/day). Volume is roughly flat compared to the previous period.

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Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 17 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

94% of releases have been yanked. Check version history before pinning.

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Used by top crates

Notable dependents include ismp-grandpa, ismp-parachain, grandpa-verifier. When high-quality crates choose substrate-state-machine, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
04/265/146/16/197/77/24

Top Dependents

Most downloaded crates that depend on substrate-state-machine

Version Adoption

v2512.1.0
100%

Release Timeline

10 releases9 yankedsince 2025
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2025
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2026
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Yanked

Feature Flags

default =["std"]

std*

README

Loading README...

Maintainers

Dependencies
11
direct dependencies
Dependents
56
crates depend on substrate-state-machine

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