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substrate-state-machine

v2512.0.0 Stable

ISMP state machine client implementation for substrate-based chains

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

Quick Verdict

  • โœ“Stable API (2512.x for 2+ years)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
24.7K
Dependents
53
Releases
16
Size
71KB

Deep Insights

๐Ÿ“‰
Download decline

908 downloads in the last 30 days, down 36% from the previous period. May indicate migration to alternatives.

๐Ÿ‘ฅ
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 16 releases. This level of maturity means you can depend on it without worrying about breaking changes.

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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 14/25

Recency, release consistency, active ratio

Quality 17/25

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
02/263/164/34/215/95/26

Top Dependents

Most downloaded crates that depend on substrate-state-machine

Version Adoption

v16.0.0
29%
v2506.1.0
23%
v2412.0.0
19%
v2503.2.0
17%
v15.0.0
12%

Release Timeline

10 releasessince 2024
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2024
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2025
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2026
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Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
9
direct dependencies
Dependents
53
crates depend on substrate-state-machine

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