From de78d6a8ad6104a044e5b56251c47a41b63bf013 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Tue, 15 Jan 2019 11:14:18 +0100
Subject: Fix isBigNumber check for the new version

---
 packages/assert/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'packages')

diff --git a/packages/assert/src/index.ts b/packages/assert/src/index.ts
index b9a04686a..741bd78e1 100644
--- a/packages/assert/src/index.ts
+++ b/packages/assert/src/index.ts
@@ -7,7 +7,7 @@ const HEX_REGEX = /^0x[0-9A-F]*$/i;
 
 export const assert = {
     isBigNumber(variableName: string, value: BigNumber): void {
-        const isBigNumber = _.isObject(value) && (value as any).isBigNumber;
+        const isBigNumber = BigNumber.isBigNumber(value);
         assert.assert(isBigNumber, assert.typeAssertionMessage(variableName, 'BigNumber', value));
     },
     isValidBaseUnitAmount(variableName: string, value: BigNumber): void {
-- 
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