Merge pull request #6 from cowprotocol/payment_status

Add query for payment status

mevblocker/fees/payment_status_4016152.sql

@@ -0,0 +1,45 @@
+with
+latest_bill_date as (
+    select max(call_block_time) as bill_date
+    from mev_blocker_ethereum.MevBlockerFeeTill_call_bill
+    where call_success = true
+),
+
+lastest_billing as (
+    select
+        usr,
+        evt_block_time as bill_time,
+        amt as bill_amount
+    from mev_blocker_ethereum.MevBlockerFeeTill_evt_Billed
+    where evt_block_time = (select bill_date from latest_bill_date)
+),
+
+latest_payments as (
+    select
+        usr,
+        evt_block_time as paid_time,
+        amt as paid_amount
+    from mev_blocker_ethereum.MevBlockerFeeTill_evt_Paid
+    where evt_block_time > (select bill_date from latest_bill_date)
+),
+
+payment_status as (
+    select
+        lb.usr,
+        bill_amount,
+        bill_time,
+        paid_time,
+        coalesce(paid_amount, 0) as paid_amount
+    from lastest_billing as lb
+    left outer join latest_payments as lp
+        on lb.usr = lp.usr
+)
+
+select
+    *,
+    (case
+        when paid_amount = bill_amount then 'PAID'
+        when paid_amount < bill_amount then 'UNPAID'
+        else 'OVERPAID'
+    end) as status
+from payment_status