The mediator pattern implementation

go.mod

@@ -5,25 +5,23 @@ go 1.20
 require (
 	github.com/google/uuid v1.3.0
 	github.com/hashicorp/go-multierror v1.1.1
-	github.com/jackc/pgx/v4 v4.17.0
 	github.com/oklog/ulid/v2 v2.1.0
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.8.4
 )
 
-require github.com/corpix/uarand v0.0.0-20170723150923-031be390f409 // indirect
+require (
+	github.com/corpix/uarand v0.0.0-20170723150923-031be390f409 // indirect
+	github.com/kr/text v0.1.0 // indirect
+	github.com/rogpeppe/go-internal v1.12.0 // indirect
+)
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/icrowley/fake v0.0.0-20221112152111-d7b7e2276db2
-	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgconn v1.13.0 // indirect
-	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
-	github.com/jackc/pgtype v1.12.0 // indirect
 	github.com/jackc/pgx/v5 v5.3.1
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/crypto v0.6.0 // indirect