feat: implement enum buildertype

pkg/mev/pkg.go

@@ -35,6 +35,53 @@ const (
 	BundleSenderTypeMerkle
 )
 
+func (b BundleSenderType) String() string {
+	return [...]string{
+		"unknown",        // 0
+		"flashbot",       // 1
+		"beaver",         // 2
+		"rsync",          // 3
+		"titan",          // 4
+		"bloxroute",      // 5
+		"all",            // 6
+		"mevshare",       // 7
+		"backrun_public", // 8
+		"mev_blocker",    // 9
+		"blink",          // 10
+		"merkle",         // 11
+	}[b]
+}
+
+// BundleSenderTypeFromString Convert string back to BundleSenderType
+func BundleSenderTypeFromString(s string) BundleSenderType {
+	switch s {
+	case "flashbot":
+		return BundleSenderTypeFlashbot
+	case "beaver":
+		return BundleSenderTypeBeaver
+	case "rsync":
+		return BundleSenderTypeRsync
+	case "titan":
+		return BundleSenderTypeTitan
+	case "bloxroute":
+		return BundleSenderTypeBloxroute
+	case "all":
+		return BundleSenderTypeAll
+	case "mevshare":
+		return BundleSenderTypeMevShare
+	case "backrun_public":
+		return BundleSenderTypeBackrunPublic
+	case "mev_blocker":
+		return BundleSenderTypeMevBlocker
+	case "blink":
+		return BundleSenderTypeBlink
+	case "merkle":
+		return BundleSenderTypeMerkle
+	default:
+		return BundleSenderType(0) // unknown
+	}
+}
+
 const (
 	JSONRPC2                        = "2.0"
 	GetBundleStatsID                = 1