zikyfranky

import random

print('''
This Code was created by Isaac Frank..
You can contact him on::
===============================================
Facebook: http://facebook.com/zikyfranky
===============================================
Twitter: http//twitter.com/zikyfranky
===============================================

zikyfranky

async readOnly(instruction: TransactionInstruction, instructionName: string): Promise<{ value: any }> {
    // Filter through your IDL to get the actual read instruction schema and return type
    const ixx = IDL.instructions.find((i) => i.name == instructionName);
    
    // This checks if the instruction contains Mutable account, if it does, then it isn't a read only instruction
    const isMut = ixx && [...ixx.accounts].find((a: any) => a.isMut);
    const returnType = ixx && (ixx as any).returns;
    if (isMut || !returnType) return { value: null }; // basically return null value if ix is mutable or it doesn't contain a return type