erc20 balances

usage:
    ctc erc20 balances ARGS [options]

description:
    output ERC20 balances of blocks / addresses / tokens

examples:
    # version 1: balance of single wallet across multiple tokens
    ctc erc20 balances WALLET --erc20s ERC20S [--block BLOCK]

    # version 2: balances of multiple wallets in single block (default = all 
wallets)
    ctc erc20 balances ERC20 [--block BLOCK] [--wallets WALLETS]

    # version 3: balance of single wallet across multiple blocks
    ctc erc20 balances ERC20 WALLET --blocks BLOCKS

arguments:
    ARGS                 <see above>
    --block BLOCK        block number
    --wallets WALLETS    wallets to get balances of
    --blocks BLOCKS      block numbers to get balances at
    --erc20s ERC20S      ERC20 addresses to get balances of
    --raw                whether to skip normalizing by ERC20 decimals
    --output OUTPUT      file path for output (.json or .csv)
    --overwrite          specify that output path can be overwritten
    --top N              show top N addresses