Add graphql server (#27)

* Add graphql server * Update Makefile * Update log_filters constraint * Add GetLogFilter to repo * Update travis (use Makefile, go fmt, go vet) * Add logFilter schema and resolvers * Add GetWatchedEvent to watched_events_repo * Add watchedEventLog schema and resolvers
2018-02-08 10:12:08 -06:00
parent d5852654bb
commit 605b0a96ae
113 changed files with 16180 additions and 153 deletions
@@ -5,10 +5,10 @@ import (
 	"io/ioutil"
 	"log"

+	"github.com/spf13/cobra"
 	"github.com/vulcanize/vulcanizedb/pkg/filters"
 	"github.com/vulcanize/vulcanizedb/pkg/geth"
 	"github.com/vulcanize/vulcanizedb/utils"
-	"github.com/spf13/cobra"
 )

 // addFilterCmd represents the addFilter command
@@ -67,7 +67,7 @@ func addFilter() {
 		log.Fatal(err)
 	}
 	for _, filter := range logFilters {
-		err = repository.AddFilter(filter)
+		err = repository.CreateFilter(filter)
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -0,0 +1,96 @@
+package cmd
+
+import (
+	"net/http"
+	_ "net/http/pprof"
+
+	"log"
+
+	"github.com/neelance/graphql-go"
+	"github.com/neelance/graphql-go/relay"
+	"github.com/spf13/cobra"
+	"github.com/vulcanize/vulcanizedb/pkg/geth"
+	"github.com/vulcanize/vulcanizedb/pkg/graphql_server"
+	"github.com/vulcanize/vulcanizedb/utils"
+)
+
+var graphqlCmd = &cobra.Command{
+	Use:   "graphql",
+	Short: "Starts Vulcanize graphql server",
+	Long: `Starts vulcanize graphql server
+and usage of using your command. For example:
+
+vulcanizedb graphql --port 9090 --host localhost
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		schema := parseSchema()
+		serve(schema)
+	},
+}
+
+func init() {
+	var (
+		port int
+		host string
+	)
+	rootCmd.AddCommand(graphqlCmd)
+
+	syncCmd.Flags().IntVar(&port, "port", 9090, "graphql: port")
+	syncCmd.Flags().StringVar(&host, "host", "localhost", "graphql: host")
+
+}
+
+func parseSchema() *graphql.Schema {
+
+	blockchain := geth.NewBlockchain(ipc)
+	repository := utils.LoadPostgres(databaseConfig, blockchain.Node())
+	schema := graphql.MustParseSchema(graphql_server.Schema, graphql_server.NewResolver(repository))
+	return schema
+
+}
+
+func serve(schema *graphql.Schema) {
+	http.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write(page)
+	}))
+	http.Handle("/query", &relay.Handler{Schema: schema})
+
+	log.Fatal(http.ListenAndServe(":9090", nil))
+}
+
+var page = []byte(`
+<!DOCTYPE html>
+<html>
+	<head>
+		<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.10.2/graphiql.css" />
+		<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.1.0/fetch.min.js"></script>
+		<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react.min.js"></script>
+		<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-dom.min.js"></script>
+		<script src="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.10.2/graphiql.js"></script>
+	</head>
+	<body style="width: 100%; height: 100%; margin: 0; overflow: hidden;">
+		<div id="graphiql" style="height: 100vh;">Loading...</div>
+		<script>
+			function graphQLFetcher(graphQLParams) {
+				return fetch("/query", {
+					method: "post",
+					body: JSON.stringify(graphQLParams),
+					credentials: "include",
+				}).then(function (response) {
+					return response.text();
+				}).then(function (responseBody) {
+					try {
+						return JSON.parse(responseBody);
+					} catch (error) {
+						return responseBody;
+					}
+				});
+			}
+			ReactDOM.render(
+				React.createElement(GraphiQL, {fetcher: graphQLFetcher}),
+				document.getElementById("graphiql")
+			);
+		</script>
+	</body>
+</html>
+`)
@@ -4,15 +4,17 @@ import (
 	"fmt"
 	"os"

-	"github.com/vulcanize/vulcanizedb/pkg/config"
 	"github.com/mitchellh/go-homedir"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	"github.com/vulcanize/vulcanizedb/pkg/config"
 )

-var cfgFile string
-var databaseConfig config.Database
-var ipc string
+var (
+	cfgFile        string
+	databaseConfig config.Database
+	ipc            string
+)

 var rootCmd = &cobra.Command{
 	Use:              "vulcanizedb",