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@metamask/eth-json-rpc-filters

v9.0.0

Published

[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`).

Downloads

19,931

Vulnerabilities

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Links

Git

Maintainers

danfinlaydanfinlaykumaviskumavismcmiremcmirerekmarksrekmarksmetamaskbotmetamaskbotgudahttgudahttnicholasellulnicholasellulsethkfmansethkfmannaugturnaugtur

Keywords

Readme

@metamask/eth-json-rpc-filters

json-rpc-engine middleware implementing Ethereum filter methods. Backed by an eth-block-tracker and web3 provider interface (web3.currentProvider).

supported rpc methods

  • eth_newFilter
  • eth_newBlockFilter
  • eth_newPendingTransactionFilter
  • eth_uninstallFilter
  • eth_getFilterChanges
  • eth_getFilterLogs

usage

basic usage:

const filterMiddleware = createFilterMiddleware({ blockTracker, provider })
engine.push(filterMiddleware)

cleanup:

// remove blockTracker handler to free middleware for garbage collection
filterMiddleware.destroy()

Running Tests

yarn test

Changelog

CHANGELOG.md