bigquery: query for all validators (#1642)

Signed-off-by: Itai Segall <itai.segall@digitalasset.com>

Author: isegall-da

apps/app/src/test/resources/all-validators.sql

@@ -0,0 +1,20 @@
+-- Queries all validators that held Validator Licenses up to a certain record time & migration ID, along with their first and latest validator license renewals.
+
+DECLARE
+    as_of_record_time timestamp;
+DECLARE
+    migration_id int64;
+
+-- configuration parameters
+SET as_of_record_time = PARSE_TIMESTAMP('%FT%TZ', '2025-07-15T00:00:00Z');
+SET migration_id = 3;
+
+SELECT DISTINCT
+    JSON_VALUE(create_arguments, '$.record.fields[0].value.party') as validator_party,
+    TIMESTAMP_MICROS(MAX(created_at) OVER (PARTITION BY JSON_VALUE(create_arguments, '$.record.fields[0].value.party'))) AS latest_validator_license,
+    TIMESTAMP_MICROS(MIN(created_at) OVER (PARTITION BY JSON_VALUE(create_arguments, '$.record.fields[0].value.party'))) AS first_validator_license
+  FROM `da-cn-mainnet.mainnet_da2_scan.scan_sv_1_update_history_creates` c
+  WHERE c.package_name = "splice-amulet"
+    AND c.template_id_module_name = "Splice.ValidatorLicense"
+    AND c.template_id_entity_name = "ValidatorLicense"
+    AND (c.migration_id < migration_id OR (c.migration_id = migration_id AND c.created_at <= UNIX_MICROS(as_of_record_time)));