abi_encodeFunctionCall

Learn how to use the abi_encodeFunctionCall JSON-RPC method.

POST /#particle_abi_encodeFunctionCall

abiEncodeFunctionCall

cURL

curl --request POST \
  --url 'https://rpc.particle.network/evm-chain/#particle_abi_encodeFunctionCall' \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "particle_abi_encodeFunctionCall",
  "chainId": 1,
  "params": [
    "<string>"
  ]
}
'

200

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "<string>"
}

Contextualizing abi_encodeFunctionCall

• abi_encodeFunctionCall takes a contract address, a function name, and an array of function parameters to return an ABI-encoded string that represents the specific function call you intend to make on the smart contract.

---

Query example

JavaScript

const axios = require('axios');

(async () => {
    const response = await axios.post('https://rpc.particle.network/evm-chain', {
        chainId: 1,
        jsonrpc: '2.0',
        id: 1,
        method: "particle_abi_encodeFunctionCall",
        params: [
            "0xB8c77482e45F1F44dE1745F52C74426C631bDD52", 
            "erc20_transfer", 
            [
                "0x329a7f8b91Ce7479035cb1B5D62AB41845830Ce8", 
                "1000000000000000000"
            ]
        ]
    }, {
        auth: {
            username: 'Your Project Id',
            password: 'Your Project Server Key',
        }
    });

    console.log(response.data);
})();

Authorizations

Authorization · string · header · required

Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.

Body

application/json

jsonrpc · string · default: 2 · required

Version of the JSON-RPC protocol, should be 2.0.

Example:

"2.0"

id · integer · default: 1 · required

The request identifier.

Example:

1

method · enum<string> · default: particle_abi_encodeFunctionCall · required

API method being called.

Available options: particle_abi_encodeFunctionCall

chainId · integer · required

The chain ID.

Example:

1

params · (string | any[])[] · required

Parameters for the API method call.

Response

200 - application/json

Success

jsonrpc · string

Version of the JSON-RPC protocol, should be 2.0.

Example:

"2.0"

id · integer

The request identifier.

Example:

1

result · string

Encoded function call data.