From 393f9e5a293511ede662907861cf72e4f8add098 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 21 Sep 2018 12:05:13 +0200
Subject: Fix the way we detect BN's

---
 packages/base-contract/CHANGELOG.json | 8 ++++++++
 packages/base-contract/src/index.ts   | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'packages/base-contract')

diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index 89580ca90..296a4a06c 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,4 +1,12 @@
 [
+    {
+        "version": "3.0.0",
+        "changes": [
+            {
+                "note": "Change the way we detect BN to work with the newest ethers.js"
+            }
+        ]
+    },
     {
         "timestamp": 1536142250,
         "version": "2.0.2",
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index 35c830a46..90e576c24 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -61,7 +61,7 @@ export class BaseContract {
         }
     }
     protected static _bnToBigNumber(_type: string, value: any): any {
-        return _.isObject(value) && value._bn ? new BigNumber(value.toString()) : value;
+        return _.isObject(value) && value._hex ? new BigNumber(value.toString()) : value;
     }
     protected static async _applyDefaultsToTxDataAsync<T extends Partial<TxData | TxDataPayable>>(
         txData: T,
-- 
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