eth-json-rpc-middleware
Ethereum-related json-rpc-engine middleware.
eth-json-rpc-middleware@9.0.1 was published on 2022-10-05. Its manifest declares 11 runtime dependencies and 0 peer requirements. Type declarations are bundled according to the package metadata. The declared Node.js requirement is >=14.0.0.
All eth-json-rpc-middleware versions · Permanent reference to 9.0.1
Package specifications
| Version | 9.0.1 |
|---|---|
| License declaration | ISC |
| Published | 2022-10-05T17:21:52.014Z |
| Node.js requirement | >=14.0.0 |
| Type declarations | Bundled declarations |
| Runtime dependency count | 11 |
| Peer requirement count | 0 |
| Optional dependency count | 0 |
| Minified size | Measurement not available yet |
| Minified + gzip | Measurement not available yet |
| Unpacked distribution size | 136.35 KiB |
| Published file count | 49 |
| Package type | Not declared |
| ES module entry | Not declared |
| Default entry | ./dist/index.js |
| Side effects declaration | Not declared |
| Direct advisories | 0 |
| Resolved graph dependencies | 60 |
| Repository stars | 181 |
| Repository forks | 91 |
Install eth-json-rpc-middleware 9.0.1
npm install eth-json-rpc-middleware@9.0.1 pnpm add eth-json-rpc-middleware@9.0.1 yarn add eth-json-rpc-middleware@9.0.1
Runtime dependencies
- btoa ^1.2.1
- pify ^3.0.0
- clone ^2.1.1
- node-fetch ^2.6.7
- eth-rpc-errors ^4.0.3
- @metamask/utils ^3.0.3
- json-rpc-engine ^6.1.0
- eth-block-tracker ^5.0.1
- json-stable-stringify ^1.0.1
- @metamask/eth-sig-util ^5.0.0
- @metamask/safe-event-emitter ^2.0.0
Peer requirements
- None declared
Optional dependencies
- None declared
Resolved dependency graph
This deps.dev graph describes a generic 64-bit Linux environment, not your application lockfile.
- @ethereumjs/rlp@4.0.1 — indirect
- @ethereumjs/util@8.1.0 — indirect
- @metamask/eth-sig-util@5.1.0 — direct
- @metamask/safe-event-emitter@2.0.0 — direct
- @metamask/utils@3.6.0 — direct
- @noble/curves@1.4.2 — indirect
- @noble/hashes@1.4.0 — indirect
- @scure/base@1.1.9 — indirect
- @scure/bip32@1.4.0 — indirect
- @scure/bip39@1.3.0 — indirect
- @types/debug@4.1.13 — indirect
- @types/ms@2.1.0 — indirect
- async-function@1.0.0 — indirect
- async-generator-function@1.0.0 — indirect
- bn.js@4.12.5 — indirect
- btoa@1.2.1 — direct
- call-bind@1.0.9 — indirect
- call-bind-apply-helpers@1.0.2 — indirect
- call-bound@1.0.4 — indirect
- clone@2.1.2 — direct
- debug@4.4.3 — indirect
- define-data-property@1.1.4 — indirect
- dunder-proto@1.0.1 — indirect
- es-define-property@1.0.1 — indirect
- es-errors@1.3.0 — indirect
- es-object-atoms@1.1.2 — indirect
- eth-block-tracker@5.0.1 — direct
- eth-rpc-errors@4.0.3 — direct
- ethereum-cryptography@2.2.1 — indirect
- ethjs-util@0.1.6 — indirect
- fast-safe-stringify@2.1.1 — indirect
- function-bind@1.1.2 — indirect
- generator-function@2.0.1 — indirect
- get-intrinsic@1.3.1 — indirect
- get-proto@1.0.1 — indirect
- gopd@1.2.0 — indirect
- has-property-descriptors@1.0.2 — indirect
- has-symbols@1.1.0 — indirect
- hasown@2.0.4 — indirect
- is-hex-prefixed@1.0.0 — indirect
- isarray@2.0.5 — indirect
- json-rpc-engine@6.1.0 — direct
- json-rpc-random-id@1.0.1 — indirect
- json-stable-stringify@1.3.0 — direct
- jsonify@0.0.1 — indirect
- math-intrinsics@1.1.0 — indirect
- micro-ftch@0.3.1 — indirect
- ms@2.1.3 — indirect
- node-fetch@2.7.0 — direct
- object-keys@1.1.1 — indirect
- pify@3.0.0 — direct
- semver@7.8.5 — indirect
- set-function-length@1.2.2 — indirect
- strip-hex-prefix@1.0.0 — indirect
- superstruct@1.0.4 — indirect
- tr46@0.0.3 — indirect
- tweetnacl@1.0.3 — indirect
- tweetnacl-util@0.15.1 — indirect
- webidl-conversions@3.0.1 — indirect
- whatwg-url@5.0.0 — indirect
How to interpret the specifications
Bundlephobia measurements use its standard package build and may exclude peer dependencies. Unpacked npm distribution size includes shipped files and is a different measurement. Module declarations do not prove tree-shaking or runtime compatibility.
Advisories apply to this package version directly; transitive dependencies need separate inspection. Repository signals describe the whole repository and are current observations, including on historical-version pages.
OpenSSF repository checks
Provider assessment: 2026-08-24T00:00:00Z. These are repository checks, not a jsL maintenance score.
| Maintained | 0/10 — project is archived |
|---|---|
| Code-Review | 10/10 — all changesets reviewed |
| Dangerous-Workflow | 10/10 — no dangerous workflow patterns detected |
| Binary-Artifacts | 10/10 — no binaries found in the repo |
| CII-Best-Practices | 0/10 — no effort to earn an OpenSSF best practices badge detected |
| Pinned-Dependencies | 0/10 — dependency not pinned by hash detected -- score normalized to 0 |
| Token-Permissions | 0/10 — detected GitHub workflow tokens with excessive permissions |
| Fuzzing | 0/10 — project is not fuzzed |
| License | 10/10 — license file detected |
| Security-Policy | 10/10 — security policy file detected |
| Branch-Protection | 1/10 — branch protection is not maximal on development and all release branches |
| SAST | 8/10 — SAST tool is not run on all commits -- score normalized to 8 |
Evidence and freshness
- https://registry.npmjs.org/eth-json-rpc-middleware/9.0.1 — retrieved 2026-10-30T10:35:03.836Z
- https://api.deps.dev/v3/systems/npm/packages/eth-json-rpc-middleware/versions/9.0.1 — retrieved 2026-10-30T10:35:04.249Z
- https://api.deps.dev/v3/systems/npm/packages/eth-json-rpc-middleware/versions/9.0.1:dependencies — retrieved 2026-10-30T10:35:04.268Z
- https://api.deps.dev/v3/projects/github.com%2FMetaMask%2Feth-json-rpc-middleware — retrieved 2026-10-30T10:35:04.792Z