diff --git a/gql/graphiql.go b/gql/graphiql.go
new file mode 100644
index 00000000..75c6a3b8
--- /dev/null
+++ b/gql/graphiql.go
@@ -0,0 +1,181 @@
+package gql
+
+import (
+ "bytes"
+ "fmt"
+ "html/template"
+ "net/http"
+)
+
+// GraphiQL is an in-browser IDE for exploring GraphiQL APIs.
+// This handler returns GraphiQL when requested.
+//
+// For more information, see https://github.com/graphql/graphiql.
+
+func respond(w http.ResponseWriter, body []byte, code int) {
+ w.Header().Set("Content-Type", "application/json; charset=utf-8")
+ w.Header().Set("X-Content-Type-Options", "nosniff")
+ w.WriteHeader(code)
+ _, _ = w.Write(body)
+}
+
+func errorJSON(msg string) []byte {
+ buf := bytes.Buffer{}
+ fmt.Fprintf(&buf, `{"error": "%s"}`, msg)
+ return buf.Bytes()
+}
+
+func PlaygroundHandler(apiURL string) http.HandlerFunc {
+ return func(w http.ResponseWriter, r *http.Request) {
+ if r.Method != "GET" {
+ respond(w, errorJSON("only GET requests are supported"), http.StatusMethodNotAllowed)
+ return
+ }
+ w.Header().Set("Content-Type", "text/html")
+ err := page.Execute(w, map[string]interface{}{
+ "apiUrl": apiURL,
+ })
+ if err != nil {
+ panic(err)
+ }
+ }
+}
+
+// https://github.com/graphql/graphiql/blob/main/examples/graphiql-cdn/index.html
+var page = template.Must(template.New("graphiql").Parse(`
+
+
+
+ GraphiQL
+
+
+
+
+
+
+
+
+
+
+
+ Loading...
+
+
+
+
+`))
diff --git a/gql/server.go b/gql/server.go
index 7eb82c7e..32337856 100644
--- a/gql/server.go
+++ b/gql/server.go
@@ -5,7 +5,6 @@ import (
"net/http"
"github.com/99designs/gqlgen/graphql/handler"
- "github.com/99designs/gqlgen/graphql/playground"
"github.com/cosmos/cosmos-sdk/client"
"github.com/ethereum/go-ethereum/log"
"github.com/go-chi/chi/v5"
@@ -37,13 +36,13 @@ func Server(ctx client.Context) {
logFile: logFile,
}}))
- router.Handle("/", playground.Handler("GraphQL playground", "/api"))
+ router.Handle("/", PlaygroundHandler("/api"))
if viper.GetBool("gql-playground") {
apiBase := viper.GetString("gql-playground-api-base")
- router.Handle("/webui", playground.Handler("GraphQL playground", apiBase+"/api"))
- router.Handle("/console", playground.Handler("GraphQL playground", apiBase+"/graphql"))
+ router.Handle("/webui", PlaygroundHandler(apiBase+"/api"))
+ router.Handle("/console", PlaygroundHandler(apiBase+"/graphql"))
}
router.Handle("/api", srv)