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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“Actively maintained (updated 50d ago)
  • โœ“Stable API (2512.x for 1+ years)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
22.4K
Dependents
51
Releases
16
Size
71KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

1.5K downloads in the last 30 days (50/day), up 54% from 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 API

Reached 1.0 over a year ago. The API surface is settled, making it safe for production use.

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Used by top crates

Notable dependents include ismp-grandpa, grandpa-verifier, ismp-parachain. 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 16/25

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
34/day avg+138%
05010015020012/291/162/32/213/113/28

Top Dependents

Most downloaded crates that depend on substrate-state-machine

Version Adoption

v16.0.0
31%
v2412.0.0
21%
v2506.1.0
19%
v1.15.1
15%
v15.0.0
14%

Release Timeline

16 releases1 yankedsince 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

Loading README...

Maintainers

Dependencies
9
direct dependencies
Dependents
51
crates depend on substrate-state-machine

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