[json-rpc-engine](https://github.com/MetaMask/json-rpc-engine) middleware implementing ethereum filter methods. Backed by an [eth-block-tracker](https://github.com/MetaMask/eth-block-tracker) and web3 provider interface (`web3.currentProvider`).
Published
May 10, 2022
1566d ago
Package Registry
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License Sources Match
ISC confirmed by 2 independent sources — npm registry metadata and the LICENSE file in the package source — as of August 8, 2026.
| Source | License | Class |
|---|---|---|
Licensie (detected) | ISC | Permissive |
npm (reported) | ISC | Permissive |
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Versions
33 versions| Version | License | Published | Status |
|---|---|---|---|
| 6.0.1 Latest | ISC | Sep 22, 2023 | Scanned |
| 6.0.0 | ISC | Feb 16, 2023 | Scanned |
| 5.1.0 | ISC | Jan 13, 2023 | Scanned |
| 5.0.0 Viewing | ISC | May 10, 2022 | Scanned |
| 4.2.2 | ISC | Feb 5, 2021 | Scanned |
| 4.2.1 | ISC | Sep 23, 2020 | Scanned |
| 4.2.0 | ISC (Unverified) | Sep 23, 2020 | Pending |
| 4.1.1 | ISC (Unverified) | Oct 29, 2019 | Pending |
| 4.1.0 | ISC (Unverified) | Aug 20, 2019 | Pending |
| 3.0.4 | ISC (Unverified) | Jun 5, 2019 | Pending |
| 3.0.3 | ISC (Unverified) | May 8, 2019 | Pending |
| 4.0.3 | ISC (Unverified) | May 8, 2019 | Pending |
| 4.0.2 | ISC (Unverified) | Mar 29, 2019 | Pending |
| 4.0.1 | ISC (Unverified) | Mar 18, 2019 | Pending |
| 4.0.0 | ISC (Unverified) | Mar 11, 2019 | Pending |
| 3.0.2 | ISC (Unverified) | Mar 11, 2019 | Pending |
| 3.0.1 | ISC (Unverified) | Oct 8, 2018 | Pending |
| 2.1.1 | ISC (Unverified) | May 24, 2018 | Pending |
| 2.1.0 | ISC (Unverified) | May 24, 2018 | Pending |
| 2.0.0 | ISC (Unverified) | May 22, 2018 | Pending |