1 files changed, 12 insertions(+), 0 deletions(-)

M 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)
+		}
+	}
+}