eth_getFilterChanges | Alchemy Docs

1 curl -X POST https://celo-mainnet.g.alchemy.com/v2/{apiKey} \ 2 -H "Content-Type: application/json" \ 3 -d '{ 4 "jsonrpc": "2.0", 5 "method": "eth_getFilterChanges", 6 "params": [ 7 "0x01" 8 ], 9 "id": 1 10 }'

1 { 2 "jsonrpc": "2.0", 3 "id": "1", 4 "result": [ 5 { 6 "logIndex": "0x0", 7 "removed": false, 8 "blockNumber": "0x233", 9 "blockHash": "0xfc139f5e2edee9e9c888d8df9a2d2226133a9bd87c88ccbd9c930d3d4c9f9ef5", 10 "transactionHash": "0x66e7a140c8fa27fe98fde923defea7562c3ca2d6bb89798aabec65782c08f63d", 11 "transactionIndex": "0x0", 12 "address": "0x42699a7612a82f1d9c36148af9c77354759b210b", 13 "data": "0x0000000000000000000000000000000000000000000000000000000000000004", 14 "topics": [ 15 "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3" 16 ] 17 }, 18 { 19 "logIndex": "0x0", 20 "removed": false, 21 "blockNumber": "0x238", 22 "blockHash": "0x98b0ec0f9fea0018a644959accbe69cd046a8582e89402e1ab0ada91cad644ed", 23 "transactionHash": "0xdb17aa1c2ce609132f599155d384c0bc5334c988a6c368056d7e167e23eee058", 24 "transactionIndex": "0x0", 25 "address": "0x42699a7612a82f1d9c36148af9c77354759b210b", 26 "data": "0x0000000000000000000000000000000000000000000000000000000000000007", 27 "topics": [ 28 "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3" 29 ] 30 } 31 ] 32 }

Polls for changes in the filter with the given ID (created using eth_newFilter). Returns an array of logs which occurred since the last poll.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

Filter identifierstringRequiredformat: "^0x([1-9a-f]+[0-9a-f]*|0)$"

The ID of the filter to poll for changes.

Response

An array of log objects that have occurred since the last poll.

list of strings

new logslist of objects