isJsonRpcPayload

function isJsonRpcPayload(
    payload,
): payload is Readonly<{
    jsonrpc: '2.0';
    method: string;
    params: unknown;
}>;

Returns true if the given payload is a JSON RPC v2 payload.

This means, the payload is an object such that:

It has a jsonrpc property with a value of '2.0'.
It has a method property that is a string.
It has a params property of any type.

Parameters

Parameter	Type
`payload`	`unknown`

Returns

payload is Readonly<{ jsonrpc: "2.0"; method: string; params: unknown }>

Example

import { isJsonRpcPayload } from '@solana/rpc-spec';
 
if (isJsonRpcPayload(payload)) {
    const payloadMethod: string = payload.method;
    const payloadParams: unknown = payload.params;
}