From 56a5b05fbed4e723cf5b28f0f0cc30165f9da74a Mon Sep 17 00:00:00 2001
From: Ying <ying-w@users.noreply.github.com>
Date: Thu, 24 Oct 2024 12:00:49 -0700
Subject: [PATCH] remove null address from delegator count (#563)

---
 .../down.sql                                             | 1 +
 .../up.sql                                               | 9 +++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/down.sql
 create mode 100644 rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/up.sql

diff --git a/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/down.sql b/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/down.sql
new file mode 100644
index 000000000..92e6e3639
--- /dev/null
+++ b/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/down.sql
@@ -0,0 +1 @@
+DROP VIEW IF EXISTS num_active_delegator_per_pool;
diff --git a/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/up.sql b/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/up.sql
new file mode 100644
index 000000000..3f572c106
--- /dev/null
+++ b/rust/processor/src/db/postgres/migrations/2024-10-23-232703_num_active_delegator_per_pool/up.sql
@@ -0,0 +1,9 @@
+-- need this for delegation staking
+CREATE OR REPLACE VIEW num_active_delegator_per_pool AS
+SELECT pool_address,
+  COUNT(DISTINCT delegator_address) AS num_active_delegator
+FROM current_delegator_balances
+WHERE shares > 0
+  AND delegator_address  != '0x0000000000000000000000000000000000000000000000000000000000000000'
+  AND pool_type = 'active_shares'
+GROUP BY 1;