@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