eth_getTransactionCount - Celo

Example code for the eth_getTransactionCount JSON-RPC method. Complete guide on how to use eth_getTransactionCount JSON-RPC in GetBlock Web3 documentation.

This method returns the number of transactions sent from an address on the Celo network. This value is also known as the nonce and is essential for transaction signing and preventing replay attacks.

Parameters

Parameter	Type	Required	Description
address	string	Yes	The address to get transaction count for
blockNumber	string	Yes	Block number in hex, or "latest", "earliest", "pending"

Request Example

cURL

cURL

curl -X POST https://go.getblock.io/<ACCESS-TOKEN>/ \
-H "Content-Type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "method": "eth_getTransactionCount",
  "params": [
    "0x742d35Cc6634C0532925a3b844Bc9e7595f8bB45",
    "latest"
  ]
}'

JavaScript (Axios)

Python

Response Example

{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "result": "0x15"
}

Response Definition

Field	Type	Description
result	string	Transaction count (nonce) as hexadecimal

Use Cases

• Get nonce for transaction signing

• Track account activity

• Detect pending transactions

• Prevent nonce conflicts

Error Handling

Error Code	Description
-32602	Invalid params - malformed address
-32603	Internal error - node processing issues

SDK Integration

Ethers.js

ethers.js

const { ethers } = require('ethers');

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

const nonce = await provider.getTransactionCount('0x742d35Cc6634C0532925a3b844Bc9e7595f8bB45');
console.log(nonce);

ContractKit