@rarcifa/cronos-evm-client/dist/utils/ethCall.js

A Node.js client library for interacting with the Cronos EVM, facilitating operations on both CRC20 and CRC721 tokens.

/**
 * This function creates the payload necessary for making JSON-RPC calls such as `eth_call`.
 *
 * @param {Object|string} param - An object containing the 'to' and 'data' properties for the RPC call, or the method signature.
 * @param {string} method - The JSON-RPC method to be invoked (e.g., 'eth_call', 'eth_sendTransaction').
 * @param {string} [tag='latest'] - The block number tag specifying the state to query or transact with. Common values are 'latest', 'earliest', or 'pending'.
 * @param {number} [id=1] - A unique identifier for the JSON-RPC request, used to match responses with requests.
 * @returns {object} The JSON-RPC payload formatted as an object.
 *
 * @example
 * const data = constructEthMethodPayload(
 *   '0xE51.....2DAde05',
 *   'eth_getBalance'
 * );
 */
export const constructEthMethodPayload = (params, method, tag = 'latest', id = 1) => {
    return {
        jsonrpc: '2.0',
        method,
        params: [params, tag],
        id,
    };
};