feat: auto select cloud provider based on config

Author: mgpai22

cmd/node/main.go

@@ -173,12 +173,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	//TODO: make this auto select a provider based on config
-	cloudStorage, err := cloud.NewGCSBucket(
-		context.Background(),
-		cfg.Cloud.BucketName,
-		cfg.Cloud.GCPCredentialJSONPath,
-	)
+	cloudStorage, err := cloud.NewCloudProvider(context.Background(), cfg.Cloud)
 	if err != nil {
 		logger.Errorf("failed to create cloud storage: %v", err)
 		os.Exit(1)

internal/cloud/cloud.go

@@ -1,5 +1,11 @@
 package cloud
 
+import (
+	"context"
+	"fmt"
+	"zenGate-Global/merkle-oracle-node/internal/config"
+)
+
 // Ref is an opaque reference to a blob stored in the cloud.
 type Ref string
 
@@ -14,3 +20,25 @@ type Cloud interface {
 	// It returns the raw bytes or an error if the read fails.
 	Read(ref Ref) ([]byte, error)
 }
+
+// NewCloudProvider automatically selects and creates the appropriate cloud provider based on configuration
+func NewCloudProvider(
+	ctx context.Context,
+	config config.CloudConfig,
+) (Cloud, error) {
+	hasPinata := config.PinataJWT != ""
+
+	hasGCP := config.GCPCredentialJSONPath != "" && config.BucketName != ""
+
+	if hasGCP {
+		return NewGCSBucket(
+			ctx,
+			config.BucketName,
+			config.GCPCredentialJSONPath,
+		)
+	} else if hasPinata {
+		return NewPinataCloud(config.PinataJWT, config.PinataGatewayURL)
+	} else {
+		return nil, fmt.Errorf("no cloud storage provider configured: please provide either Pinata JWT or GCP credentials")
+	}
+}