From d5f3714f862c0f827d67f7631aedd113cd5d5392 Mon Sep 17 00:00:00 2001
From: "Johan T. Halseth" <johanth@gmail.com>
Date: Wed, 19 Dec 2018 14:54:53 +0100
Subject: [PATCH] autopilot/agent: return early if no funds available

If there are less funds available than the minumum channel size, there's
no reason to score candidates, so we continue early.
---
 autopilot/agent.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/autopilot/agent.go b/autopilot/agent.go
index bc900994..86ce85e1 100644
--- a/autopilot/agent.go
+++ b/autopilot/agent.go
@@ -484,7 +484,15 @@ func (a *Agent) controller() {
 		availableFunds, numChans := a.cfg.Constraints.ChannelBudget(
 			totalChans, a.totalBalance,
 		)
-		if numChans == 0 {
+		switch {
+		case numChans == 0:
+			continue
+
+		// If the amount is too small, we don't want to attempt opening
+		// another channel.
+		case availableFunds == 0:
+			continue
+		case availableFunds < a.cfg.Constraints.MinChanSize():
 			continue
 		}