1 files changed, 4 insertions, 0 deletions
diff --git a/src/web3_wrapper.ts b/src/web3_wrapper.ts
index 01d572654..d03c102b2 100644
--- a/src/web3_wrapper.ts
+++ b/src/web3_wrapper.ts
@@ -100,6 +100,10 @@ export class Web3Wrapper {
         const signData = await promisify(this.web3.eth.sign)(address, message);
         return signData;
     }
+    public async getBlockNumberAsync(): Promise<number> {
+        const blockNumber = await promisify(this.web3.eth.getBlockNumber)();
+        return blockNumber;
+    }
     public async getBlockAsync(blockParam: string|Web3.BlockParam): Promise<Web3.BlockWithoutTransactionData> {
         const block = await promisify(this.web3.eth.getBlock)(blockParam);
         return block;