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ink_metadata

v5.1.1 Stable

[ink!] Metadata definitions for ink! smart contracts.

Apache-2.0 Edition 2021
Embedded developmentNo standard library #blockchain#edsl#riscv#ink#polkavm

Quick Verdict

  • βœ“Stable API (5.x for 5+ years)
  • βœ“Trusted by 376 crates
  • βœ“Team maintained (3 owners)
  • βœ“Permissive license (Apache-2.0)

Security

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Downloads
525.4K
Dependents
376
Releases
38
Size
27KB

Deep Insights

πŸ“Š
Stable downloads

14.9K downloads in the last 30 days (498/day). Volume is roughly flat compared to the previous period.

πŸ”—
Moderate adoption

376 crates depend on ink_metadata. Reasonable ecosystem adoption, though not yet a core dependency.

πŸ‘₯
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

βœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 38 releases. This level of maturity means you can depend on it without worrying about breaking changes.

πŸ“
Compact crate

At 26KB, ink_metadata is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include ink_storage_traits, ink_storage, ink, ink_macro, contract-transcode. When high-quality crates choose ink_metadata, it's a strong quality signal.

Health Breakdown

Maintenance 14/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
440/day avg+65%
05001K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.3.0
39%
v5.1.1
22%
v5.0.0
15%
v3.4.0
13%
v4.2.0
11%

Release Timeline

38 releasessince 2020
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2020
2
2021
5
2022
12
2023
10
2024
6
2025
3
2026
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Feature Flags

default =["derive", "std"]

std*derive*

README

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Maintainers

Dependencies
11
direct dependencies
Dependents
376
crates depend on ink_metadata

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