blockstore integration (#650)

* blockstore migration
* use a testdb for tests,
* cut down test sizes so they run a bit faster
* test init/cleanup code improvements

wavesrv/db/blockstore-migrations/000001_init.down.sql

@@ -0,0 +1 @@
+-- nothing

wavesrv/db/blockstore-migrations/000001_init.up.sql

@@ -0,0 +1,19 @@
+CREATE TABLE block_file (
+    blockid varchar(36) NOT NULL,
+    name varchar(200) NOT NULL,
+    maxsize bigint NOT NULL,
+    circular boolean NOT NULL,
+    size bigint NOT NULL,
+    createdts bigint NOT NULL,
+    modts bigint NOT NULL,
+    meta json NOT NULL,
+    PRIMARY KEY (blockid, name)
+);
+
+CREATE TABLE block_data (
+    blockid varchar(36) NOT NULL,
+    name varchar(200) NOT NULL,
+    partidx int NOT NULL,
+    data blob NOT NULL,
+    PRIMARY KEY(blockid, name, partidx)
+);

wavesrv/db/db.go

@@ -10,3 +10,6 @@ import "embed"
 
 //go:embed migrations/*.sql
 var MigrationFS embed.FS
+
+//go:embed blockstore-migrations/*.sql
+var BlockstoreMigrationFS embed.FS