From 281bd0613d9da2542b519122496387e9e25c51ac Mon Sep 17 00:00:00 2001
From: Richard Moore <github@ricmoo.com>
Date: Wed, 3 Oct 2018 19:54:38 -0400
Subject: [PATCH] Added support for JSON serialized BigNumbers in the
 constructor (#288).

---
 src.ts/utils/bignumber.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src.ts/utils/bignumber.ts b/src.ts/utils/bignumber.ts
index 48e27115..c05075a5 100644
--- a/src.ts/utils/bignumber.ts
+++ b/src.ts/utils/bignumber.ts
@@ -89,6 +89,9 @@ export class BigNumber implements Hexable {
         } else if ((<any>value).toHexString) {
             defineReadOnly(this, '_hex', toHex(toBN((<any>value).toHexString())));
 
+        } else if ((<any>value)._hex && isHexString((<any>value)._hex)) {
+            defineReadOnly(this, '_hex', (<any>value)._hex);
+
         } else if (isArrayish(value)) {
             defineReadOnly(this, '_hex', toHex(new BN.BN(hexlify(value).substring(2), 16)));