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@polkadot/api-codec

15
Versions
License
No
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures No source commit

Without SLSA provenance there is no cryptographic link between this tarball and the public source — the axios compromise (March 2026) relied on exactly this gap.

Maintainers

jacogr

Keywords

PolkadotJsonRPC

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
source-diff obfuscated-file:Metadata.rpc.d.ts AI (source-diff): Long hex string is SCALE-encoded Substrate runtime metadata, a standard pattern in @polkadot packages. Not obfuscated malicious code. ai
source-diff obfuscated-file:Metadata.rpc.js AI (source-diff): Long lines are a SCALE-encoded byte array (Polkadot RPC metadata), not obfuscation. This is a standard pattern in polkadot-js packages for embedding chain metadata. ai
source-diff obfuscated-file:Metadata.rpc.ts AI (source-diff): Same as .js counterpart — large integer array literal encoding Polkadot chain metadata, not malicious obfuscation. ai
provenance no-provenance AI (provenance): Package predates Sigstore provenance by years; published by the highly trusted original Polkadot.js author. Absence of provenance is expected for this era. ai
dependencies unvetted-dep:@polkadot/util-keyring AI (dependencies): @polkadot/util-keyring is a sibling package from the same Polkadot.js ecosystem by the same trusted publisher (jacogr). This dependency is expected and benign. ai

Versions (showing 15 of 15)

Version Deps Published
0.30.9 3 / 0
0.30.8 3 / 0
0.30.7 3 / 0
0.30.6 3 / 0
0.30.5 3 / 0
0.30.4 3 / 0
0.30.3 3 / 0
0.30.2 3 / 0
0.30.1 3 / 0
0.29.13 3 / 0
0.29.12 3 / 0
0.29.11 3 / 0
0.29.10 3 / 0
0.29.9 3 / 0
0.29.8 2 / 0

v0.30.9

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.30.8

4 findings
HIGH New obfuscated file: Metadata.rpc.d.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.7

4 findings
HIGH New obfuscated file: Metadata.rpc.d.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.6

4 findings
HIGH New obfuscated file: Metadata.rpc.d.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.5

4 findings
HIGH New obfuscated file: Metadata.rpc.d.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.4

3 findings
HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.3

3 findings
HIGH New obfuscated file: Metadata.rpc.js source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

HIGH New obfuscated file: Metadata.rpc.ts source-diff

Newly added source file contains lines over 3000 chars, suggesting minified or obfuscated code. New obfuscated files are a strong attack indicator.

INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.2

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.30.1

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.29.13

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.29.12

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.29.11

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.29.10

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.29.9

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.29.8

1 finding
INFO No provenance attestation provenance

[Accepted risk] Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.