use statediff indexer config; other nits

postgres/shared/util.go

@@ -16,22 +16,28 @@
 
 package shared
 
-import "github.com/jmoiron/sqlx"
+import (
+	"github.com/jmoiron/sqlx"
 
-/*
+	"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
+)
+
+var (
+	testDBConfig, _ = postgres.Config{
 		Hostname:     "localhost",
-	Port:         8077,
 		DatabaseName: "cerc_testing",
 		Username:     "vdbm",
 		Password:     "password",
-*/
+		Port:         8077,
+		Driver:       "SQLX",
+	}.WithEnv()
+)
 
 // TestDB connect to the testing database
 // it assumes the database has the IPFS ipld.blocks table present
 // DO NOT use a production db for the test db, as it will remove all contents of the ipld.blocks table
 func TestDB() (*sqlx.DB, error) {
-	connectStr := "postgresql://vdbm:password@localhost:8077/cerc_testing?sslmode=disable"
-	return sqlx.Connect("postgres", connectStr)
+	return sqlx.Connect("postgres", testDBConfig.DbConnectionString())
 }
 
 // ResetTestDB drops all rows in the test db ipld.blocks table

postgres/v1/database.go

@@ -40,6 +40,12 @@ var (
 	putPgStr    = "INSERT INTO ipld.blocks (key, data, block_number) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING"
 	deletePgStr = "DELETE FROM ipld.blocks WHERE key = $1"
 	dbSizePgStr = "SELECT pg_database_size(current_database())"
+
+	DefaultCacheConfig = CacheConfig{
+		Name:           "db",
+		Size:           3000000, // 3MB
+		ExpiryDuration: time.Hour,
+	}
 )
 
 var _ ethdb.Database = &Database{}

util.go

@@ -29,7 +29,7 @@ func Keccak256ToCid(h []byte, codec uint64) (cid.Cid, error) {
 	if err != nil {
 		return cid.Cid{}, err
 	}
-	return cid.NewCidV1(codec, multihash.Multihash(buf)), nil
+	return cid.NewCidV1(codec, buf), nil
 }
 
 // NewBlock takes a keccak256 hash key and the rlp []byte value it was derived from and creates an ipfs block object