From 0dfc2b5f3b81e034a9c939f667383eb03c9a5561 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Tue, 6 Jun 2017 14:56:54 +0200
Subject: Add isAnyAddressAvailableAsync

---
 src/utils/assert.ts | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/assert.ts b/src/utils/assert.ts
index 621c11eda..7ab1b7c62 100644
--- a/src/utils/assert.ts
+++ b/src/utils/assert.ts
@@ -37,6 +37,10 @@ export const assert = {
         assert.assert(isSenderAddressAvailable, `Specified ${variableName} ${senderAddressHex} isn't available \ 
                                                  through the supplied web3 instance`);
     },
+    async isAnyAddressAvailableAsync(web3Wrapper: Web3Wrapper): Promise<void> {
+        const availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
+        this.assert(!_.isEmpty(availableAddresses), 'No addresses are available on the provided web3 instance');
+    },
     isNumber(variableName: string, value: number): void {
         this.assert(_.isFinite(value), this.typeAssertionMessage(variableName, 'number', value));
     },
-- 
cgit