Node RPC
  • Introduction
  • Ethereum API endpoints
    • eth_getBlockByHash
    • eth_blocknumber
    • eth_getBlockByNumber
    • eth_getBlockTransactionCountByHash
    • eth_getBlockTransactionCountByNumber
    • eth_getTransactionByHash
    • eth_getTransactionByBlockHashAndIndex
    • eth_getTransactionByBlockNumberAndIndex
    • eth_getTransactionReceipt
    • eth_getTransactionCount
    • eth_sendRawTransaction
    • eth_call
    • eth_getCode
    • eth_getBalance
    • eth_accounts
    • eth_getStorageAt
    • eth_getProof
    • eth_getLogs
    • eth_newFilter
    • eth_newPendingTransactionFilter
    • eth_newBlockFilter
    • eth_getFilterChanges
    • eth_getFilterLogs
    • eth_uninstallFilter
    • eth_chainId
    • eth_protocolVersion
    • net_listening
    • net_version
    • eth_getUncleCountByBlockHash
    • eth_getUncleByBlockNumberAndIndex
    • eth_getUncleByBlockHashAndIndex
    • eth_getUncleCountByBlockNumber
    • eth_estimateGas
    • eth_gasPrice
    • eth_feeHistory
    • eth_maxPriorityFeePerGas
    • eth_createAccessList
    • web3_clientVersion
    • web3_sha3
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  • Parameters
  • Returns
  • Example
  1. Ethereum API endpoints

eth_newPendingTransactionFilter

Previouseth_newFilterNexteth_newBlockFilter

Last updated 1 year ago

Creates a filter in the node, to notify when new pending transactions arrive. To check if the state has changed, call .

Parameters

None

Returns

QUANTITY - A filter id.

Example

NOTE: In this example we are using public Ethereum endpoint. Ideally, for your own projects, you should use your own endpoint, which you can generate for free by connecting to your wallet .

Query

NOTE: ethers used below is a well-known web3 library, check it out .

import { ethers } from 'ethers';

const provider =
  new ethers
    .providers
    .JsonRpcProvider("https://www.noderpc.xyz/rpc-mainnet/public")

const fetchLogs = async ()=> {
  const filter = {
    fromBlock: "0xe20360",
    toBlock: "0xe20411",
    address: "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    topics: [],
  };
  const filterId = await provider.send("eth_newFilter", [filter]);
  console.log(filterId);

}
fetchLogs();

Result

[
    "0x1730ffd159bd7112f91e9542d1c3b2416da483bd60af024f69a5c365fd6fc499"
]

eth_getFilterChanges
here
here