an class='const'><span class='object_link'><a href="" title="Coinbase::BalanceMap (class)">BalanceMap</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='period'>.</span><span class='id identifier rubyid_tap'>tap</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_balance_map'>balance_map</span><span class='op'>|</span>
    <span class='id identifier rubyid_balances'>balances</span><span class='period'>.</span><