Fix getTransactionSenderAccountIfExistsAsync to return true senderAddress or undefined if non available

1 files changed, 1 insertions, 1 deletions

diff --git a/src/web3_wrapper.ts b/src/web3_wrapper.ts
index 900c127d5..49bd8b67d 100644
--- a/src/web3_wrapper.ts
+++ b/src/web3_wrapper.ts
@@ -69,7 +69,7 @@ export class Web3Wrapper {
         const {timestamp} = await promisify(this.web3.eth.getBlock)(blockHash);
         return timestamp;
     }
-    private async getSenderAddressIfExistsAsync(): Promise<string|undefined> {
+    public async getSenderAddressIfExistsAsync(): Promise<string|undefined> {
         const defaultAccount = this.web3.eth.defaultAccount;
         if (!_.isUndefined(defaultAccount)) {
             return defaultAccount;