From a51b316daff847aef506e773ef02ad9bc1436594 Mon Sep 17 00:00:00 2001
From: Peter Sanchez <peter@netlandish.com>
Date: Sun, 24 Dec 2023 11:56:28 -0600
Subject: [PATCH] Adding Middleware to crypto

---
 crypto/middleware.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/crypto/middleware.go b/crypto/middleware.go
index ef52dc4..45d9b20 100644
--- a/crypto/middleware.go
+++ b/crypto/middleware.go
@@ -4,6 +4,8 @@ import (
 	"context"
 	"errors"
 	"strings"
+
+	"github.com/labstack/echo/v4"
 )
 
 var cryptoCtxKey = &contextKey{"crypto"}
@@ -36,3 +38,13 @@ func KWForContext(ctx context.Context) *KeyWallet {
 	}
 	return kw
 }
+
+// Middleware adds global entropy value to the context
+func Middleware(entropy string) echo.MiddlewareFunc {
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			c.SetRequest(c.Request().WithContext(Context(c.Request().Context(), entropy)))
+			return next(c)
+		}
+	}
+}
-- 
2.45.2