From eaeb1a66c7cff8640b248c3a5eb3f29aaef9866a Mon Sep 17 00:00:00 2001
From: Jimmy Cuadra <jimmy@jimmycuadra.com>
Date: Tue, 9 Jul 2019 16:33:31 -0700
Subject: [PATCH] Remove an unnecessary layer of JSON conversion.

---
 src/functions.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/functions.rs b/src/functions.rs
index f6401697..f1b7823a 100644
--- a/src/functions.rs
+++ b/src/functions.rs
@@ -2,7 +2,7 @@
 
 use base64::{encode_config, STANDARD_NO_PAD};
 use ring::digest::{digest, SHA256};
-use serde_json::{from_str, map::Map, to_string, to_value, Value};
+use serde_json::{from_value, map::Map, to_string, to_value, Value};
 
 use crate::{
     keys::KeyPair,
@@ -86,7 +86,7 @@ where
 
         signature_map = match map.remove("signatures") {
             Some(signatures_value) => match signatures_value.as_object() {
-                Some(signatures) => from_str(&to_string(signatures)?)?,
+                Some(signatures) => from_value(Value::Object(signatures.clone()))?,
                 None => return Err(Error::new("Field `signatures` must be a JSON object")),
             },
             None => SignatureMap::with_capacity(1),