Merge pull request #864 from input-output-hk/jpraynaud/829-adapt-single-signature-store

Create/Migrate `single_signature` store

Author: jpraynaud

mithril-aggregator/src/database/migration.rs

@@ -259,6 +259,26 @@ create table signer_registration (
 );
 insert into signer_registration select * from signer_registration_temp order by ROWID asc;
 drop table signer_registration_temp;
+"#,
+        ),
+        // Migration 9
+        // Add the `single_signature` table and rename previous table to `single_signature_legacy`
+        SqlMigration::new(
+            9,
+            r#"
+create table if not exists single_signature (key_hash text primary key, key json not null, value json not null);
+alter table single_signature rename to single_signature_legacy;
+create table single_signature (
+    open_message_id                 text        not null,
+    signer_id                       text        not null,
+    registration_epoch_setting_id   integer     not null,
+    lottery_indexes                 json        not null,
+    signature                       text        not null,
+    created_at                      text        not null default current_timestamp,
+    primary key (open_message_id, signer_id, registration_epoch_setting_id)
+    foreign key (open_message_id) references open_message(open_message_id) on delete cascade
+    foreign key (signer_id, registration_epoch_setting_id) references signer_registration(signer_id, epoch_setting_id)
+);
 "#,
         ),
     ]

mithril-aggregator/src/database/provider/mod.rs

@@ -5,6 +5,7 @@ mod open_message;
 mod signed_entity;
 mod signer;
 mod signer_registration;
+mod single_signature;
 mod stake_pool;
 
 pub use certificate::*;
@@ -13,4 +14,5 @@ pub use open_message::*;
 pub use signed_entity::*;
 pub use signer::*;
 pub use signer_registration::*;
+pub use single_signature::*;
 pub use stake_pool::*;