From 84e77f259d01e7bcff73122a2d472294908d8b27 Mon Sep 17 00:00:00 2001
From: Matt Krump <mkrump@8thlight.com>
Date: Thu, 14 Dec 2017 10:15:36 -0600
Subject: [PATCH] Use most recent blockNumber when blockNumber parame is nil

---
 cmd/get_logs/main.go        | 1 +
 pkg/geth/geth_blockchain.go | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/cmd/get_logs/main.go b/cmd/get_logs/main.go
index c5d5703d..cf9c8140 100644
--- a/cmd/get_logs/main.go
+++ b/cmd/get_logs/main.go
@@ -15,6 +15,7 @@ func main() {
 	environment := flag.String("environment", "", "Environment name")
 	contractHash := flag.String("contract-hash", "", "Contract hash to show summary")
 	_blockNumber := flag.Int64("block-number", -1, "Block number of summary")
+
 	flag.Parse()
 
 	config := cmd.LoadConfig(*environment)
diff --git a/pkg/geth/geth_blockchain.go b/pkg/geth/geth_blockchain.go
index 5fdac192..2783691f 100644
--- a/pkg/geth/geth_blockchain.go
+++ b/pkg/geth/geth_blockchain.go
@@ -24,6 +24,9 @@ type GethBlockchain struct {
 }
 
 func (blockchain *GethBlockchain) GetLogs(contract core.Contract, blockNumber *big.Int) ([]core.Log, error) {
+	if blockNumber == nil {
+		blockNumber = blockchain.latestBlock()
+	}
 	contractAddress := common.HexToAddress(contract.Hash)
 	fc := ethereum.FilterQuery{
 		FromBlock: blockNumber,