Initial QSfera import

Server/services/collaboration/pkg/proofkeys/option.go

@@ -0,0 +1,35 @@
+package proofkeys
+
+import (
+	"github.com/rs/zerolog"
+)
+
+// VerifyOption defines a single option function.
+type VerifyOption func(o *VerifyOptions)
+
+// VerifyOptions defines the available options for the Verify function.
+type VerifyOptions struct {
+	Logger *zerolog.Logger
+}
+
+// newOptions initializes the available default options.
+func newOptions(opts ...VerifyOption) VerifyOptions {
+	defaultLog := zerolog.Nop()
+	opt := VerifyOptions{
+		//Logger: log.NopLogger(), // use a NopLogger by default
+		Logger: &defaultLog, // use a NopLogger by default
+	}
+
+	for _, o := range opts {
+		o(&opt)
+	}
+
+	return opt
+}
+
+// VerifyWithLogger provides a function to set the Logger option.
+func VerifyWithLogger(val *zerolog.Logger) VerifyOption {
+	return func(o *VerifyOptions) {
+		o.Logger = val
+	}
+}