From 3212046ff1ef0e34f7c3151ef49a9317b6fb374b Mon Sep 17 00:00:00 2001
From: Ivan Ivanov <ivan.ivanoff.95@gmail.com>
Date: Fri, 24 Nov 2023 15:48:35 +0200
Subject: [PATCH] Migrate ExchangeAddress to use labeling framework v2

---
 lib/sanbase/clickhouse/exchange_address.ex | 121 +++++++++------------
 1 file changed, 52 insertions(+), 69 deletions(-)

diff --git a/lib/sanbase/clickhouse/exchange_address.ex b/lib/sanbase/clickhouse/exchange_address.ex
index 2e05085e4f..a6d9a3cd9b 100644
--- a/lib/sanbase/clickhouse/exchange_address.ex
+++ b/lib/sanbase/clickhouse/exchange_address.ex
@@ -67,45 +67,18 @@ defmodule Sanbase.Clickhouse.ExchangeAddress do
       end
 
     sql = """
-    SELECT address, owner FROM
-    (
-      SELECT address, owner
-      FROM
-      (
-        SELECT address, label_id
+    SELECT DISTINCT dictGet('labels', 'value', label_id)
+    FROM current_label_addresses
+    WHERE
+      blockchain = {{blockchain}} AND
+      label_id IN ( SELECT label_id FROM label_metadata WHERE key = 'owner' ) AND
+      address IN (
+        SELECT DISTINCT address
         FROM current_label_addresses
         WHERE
-          label_id IN ( SELECT label_id FROM label_metadata WHERE key = 'owner' ) AND
-          blockchain = {{blockchain}}
+          blockchain = {{blockchain}} AND
+          #{exchange_type_filter(exchange_type)}
       )
-      INNER JOIN
-      (
-        SELECT label_id, value AS owner
-        FROM label_metadata
-        WHERE key = 'owner'
-      ) USING (label_id)
-    )
-    INNER JOIN
-    (
-      SELECT address
-      FROM current_label_addresses
-      WHERE #{exchange_type_filter(exchange_type)} AND blockchain = {{blockchain}}
-    ) USING (address)
-
-    """
-
-    sql = """
-    SELECT DISTINCT lower(JSONExtractString(metadata, 'owner')) AS exchange
-    FROM (
-      SELECT argMax(metadata, version) AS metadata, argMax(sign, version) AS sign
-      FROM blockchain_address_labels
-      PREWHERE
-        blockchain = {{blockchain}} AND
-        #{exchange_type_filter(exchange_type)}
-      GROUP BY blockchain, asset_id, label, address
-      HAVING sign = 1
-    )
-    ORDER BY exchange
     """
 
     params = %{
@@ -117,15 +90,23 @@ defmodule Sanbase.Clickhouse.ExchangeAddress do
 
   defp exchange_addresses_query(blockchain, limit) do
     sql = """
-    SELECT DISTINCT(address), label, lower(JSONExtractString(metadata, 'owner')) AS owner
-    FROM(
-      SELECT address, label, argMax(metadata, version) AS metadata, argMax(sign, version) AS sign
-      FROM blockchain_address_labels
-      PREWHERE blockchain = {{blockchain}} AND #{exchange_type_filter(:both)}
-      GROUP BY blockchain, asset_id, label, address
-      HAVING sign = 1
-    )
-    LIMIT {{limit}}
+    SELECT address, label, owner FROM (
+      SELECT address, owner FROM (
+        SELECT address, label_id FROM current_label_addresses
+        WHERE
+          label_id IN ( SELECT label_id FROM label_metadata WHERE key = 'owner' ) AND
+          blockchain = {{blockchain}}
+      ) INNER JOIN (
+          SELECT label_id, value AS owner
+          FROM label_metadata
+          WHERE key = 'owner'
+      ) USING label_id
+    ) INNER JOIN (
+        SELECT address, dictGet('labels', 'key', label_id) AS label
+        FROM current_label_addresses
+        WHERE #{exchange_type_filter(:both)}
+        AND blockchain = {{blockchain}}
+    ) USING address
     """
 
     params = %{
@@ -138,17 +119,23 @@ defmodule Sanbase.Clickhouse.ExchangeAddress do
 
   defp exchange_addresses_for_exchange_query(blockchain, owner, limit) do
     sql = """
-    SELECT DISTINCT(address), label, lower(JSONExtractString(metadata, 'owner')) AS owner
-    FROM(
-      SELECT address, label, argMax(metadata, version) AS metadata, argMax(sign, version) AS sign
-      FROM blockchain_address_labels
-      PREWHERE
-        blockchain = {{blockchain}} AND
-        lower(JSONExtractString(metadata, 'owner')) = {{owner}} AND
-        #{exchange_type_filter(:both)}
-      GROUP BY blockchain, asset_id, label, address
-      HAVING sign = 1
-    )
+    SELECT DISTINCT address FROM (
+      SELECT address, owner FROM (
+        SELECT address, label_id FROM current_label_addresses
+        WHERE
+          label_id IN ( SELECT label_id FROM label_metadata WHERE key = 'owner' AND value = {{owner}}) AND
+          blockchain = {{blockchain}}
+      ) INNER JOIN (
+          SELECT label_id, value AS owner
+          FROM label_metadata
+          WHERE key = 'owner'
+      ) USING label_id
+    ) INNER JOIN (
+        SELECT address, dictGet('labels', 'key', label_id) AS label
+        FROM current_label_addresses
+        WHERE #{exchange_type_filter(:both)}
+        AND blockchain = {{blockchain}}
+    ) USING address
     LIMIT {{limit}}
     """
 
@@ -161,20 +148,16 @@ defmodule Sanbase.Clickhouse.ExchangeAddress do
     Sanbase.Clickhouse.Query.new(sql, params)
   end
 
-  defp exchange_type_filter(:cex) do
-    "label_id = dictGet('default.labels_by_fqn', 'label_id', tuple('santiment/centralized_exchange:v1')))"
-  end
+  defp exchange_type_filter(type) when type in [:cex, :dex, :both] do
+    case type do
+      :cex ->
+        "label_id = (SELECT label_id FROM label_metadata WHERE key = 'centralized_exchange' LIMIT 1)"
 
-  defp exchange_type_filter(:dex) do
-    "label_id = dictGet('default.labels_by_fqn', 'label_id', tuple('santiment/decentralized_exchange:v1')))"
-  end
+      :dex ->
+        "label_id = (SELECT label_id FROM label_metadata WHERE key = 'decentralized_exchange' LIMIT 1)"
 
-  defp exchange_type_filter(:both) do
-    """
-    label IN (
-      dictGet('default.labels_by_fqn', 'label_id', tuple('santiment/centralized_exchange:v1'))),
-      dictGet('default.labels_by_fqn', 'label_id', tuple('santiment/decentralized_exchange:v1')))
-    )
-    """
+      :both ->
+        "label_id IN (SELECT label_id FROM label_metadata WHERE key IN ('centralized_exchange', 'decentralized_exchange'))"
+    end
   end
 end