LEDGER Paypal {
    VAR withdraw_enabled = false;
    VAR deposits = {};

    ON tag = "approved" (tx) {
        withdraw_enabled[tx.to[0].to] = true;
    }

    Deposit(tx) {
        deposits[tx.to[0].to] += 1
    }
    
    Withdraw(tx) {
        IF despits[tx.from[0].from] == 1 && NOT withdraw_enabled(tx.from[0].from) {
            FAIL "Withdrawals are not enabled";
        }
    }
}