An 933 sol no gaps (#39)

* blocks no gaps test

* added test for bronze transactions

* renamed tests and added votes to tx test

* adds tx count filter

tests/silver__blocks__block_hash-assert-no-gaps.sql

@@ -0,0 +1,22 @@
+{{ config(error_if = '>500', warn_if = '>400') }}
+
+WITH tmp AS (
+    SELECT  block_id, 
+            block_hash, 
+            previous_block_hash
+    FROM {{ ref('silver__blocks') }}
+), 
+
+hash AS (
+        SELECT  
+            t.block_id AS missing_slot, 
+            t.block_hash 
+        FROM tmp t
+        LEFT JOIN tmp t2
+        ON t.previous_block_hash = t2.block_hash
+        WHERE t2.block_hash is null 
+) 
+
+SELECT 
+    count(*) AS num_missing 
+FROM hash

tests/silver__transactions__block_id-assert-no-gaps.sql

@@ -0,0 +1,18 @@
+{{ config(error_if = '>500', warn_if = '>500') }}
+
+SELECT 
+    block_id AS slot
+FROM {{ ref('silver__blocks') }}
+WHERE block_id NOT IN (
+    SELECT 
+        block_id 
+    FROM {{ ref('silver__transactions') }}
+)
+
+AND block_id NOT IN (
+    SELECT 
+        block_id 
+    FROM {{ ref('silver__votes') }}
+)
+
+AND tx_count > 0