Add checksum API

Fixes: https://pagure.io/koji/issue/3627

docs/schema-upgrade-1.31-1.32.sql

@@ -6,4 +6,13 @@ BEGIN;
     -- fix duplicate extension in archivetypes
     UPDATE archivetypes SET extensions = 'vhdx.gz vhdx.xz' WHERE name = 'vhdx-compressed';
 
+    -- track checksum of rpms
+    CREATE TABLE rpm_checksum (
+            rpm_id INTEGER NOT NULL REFERENCES rpminfo(id),
+            sigkey TEXT NOT NULL,
+            checksum TEXT NOT NULL UNIQUE,
+            checksum_type SMALLINT NOT NULL,
+            UNIQUE(rpm_id, sigkey, checksum_type)
+    ) WITHOUT OIDS;
+    CREATE INDEX rpm_checksum_rpm_id ON rpm_checksum(rpm_id);
 COMMIT;

docs/schema.sql

@@ -966,5 +966,14 @@ CREATE TABLE proton_queue (
         body JSON NOT NULL
 ) WITHOUT OIDS;
 
+-- track checksum of rpms
+CREATE TABLE rpm_checksum (
+        rpm_id INTEGER NOT NULL REFERENCES rpminfo(id),
+        sigkey TEXT NOT NULL,
+        checksum TEXT NOT NULL UNIQUE,
+        checksum_type SMALLINT NOT NULL,
+        UNIQUE(rpm_id, sigkey, checksum_type)
+) WITHOUT OIDS;
+CREATE INDEX rpm_checksum_rpm_id ON rpm_checksum(rpm_id);
 
 COMMIT WORK;

docs/source/hub_conf.rst

@@ -542,3 +542,15 @@ Host names are listed in both groups because hosts always have an associated use
       Set regex for verify a user name and kerberos. User name and kerberos have
       in default set up allowed '@' and '/' chars on top of basic name regex
       for internal names. When regex string is empty, verifying is disabled.
+
+Default checksums types
+^^^^^^^^^^^^^^^^^^^^^^^
+We have default checksums types for create rpm checksums.
+
+.. glossary::
+   RPMDefaultChecksums
+      Type: string
+
+      Default: ``md5 sha256``
+
+      Set RPM default checksums type. Default value is set upt to ``md5 sha256``.