#!/usr/bin/env python3

import argparse
import os
import os.path
import sys


sys.path.insert(0, os.path.abspath(
    os.path.join(os.path.dirname(__file__), "..")))
import mango  # nopep8

parser = argparse.ArgumentParser(description="Shows the current interest rates for a token in a Mango Markets Group.")
mango.ContextBuilder.add_command_line_parameters(parser)
parser.add_argument("--symbol", type=str, required=True, help="symbol of the token to look up, e.g. 'ETH'")
args: argparse.Namespace = mango.parse_args(parser)

context = mango.ContextBuilder.from_command_line_parameters(args)
group = mango.Group.load(context)

token = context.instrument_lookup.find_by_symbol(args.symbol)
if token is None:
    raise Exception(f"Could not find token {args.symbol} in group {group.address}")

token_bank = group.token_bank_by_instrument(token)

interest_rates = token_bank.fetch_interest_rates(context)
mango.output(interest_rates)
