ln: add min_htlc to channel policies

Author: Matthew Zipkin

src/warnet/server.py

@@ -574,11 +574,13 @@ def graph_import(
                 srcp += f" --fee_rate_ppm={channel['node1_policy']['fee_rate_milli_msat']}"
                 srcp += f" --time_lock_delta={channel['node1_policy']['time_lock_delta']}"
                 srcp += f" --max_htlc_msat={channel['node1_policy']['max_htlc_msat']}"
+                srcp += f" --min_htlc_msat={channel['node1_policy']['min_htlc']}"
             if channel["node2_policy"]:
                 tgtp += f" --base_fee_msat={channel['node2_policy']['fee_base_msat']}"
                 tgtp += f" --fee_rate_ppm={channel['node2_policy']['fee_rate_milli_msat']}"
                 tgtp += f" --time_lock_delta={channel['node2_policy']['time_lock_delta']}"
                 tgtp += f" --max_htlc_msat={channel['node2_policy']['max_htlc_msat']}"
+                tgtp += f" --min_htlc_msat={channel['node2_policy']['min_htlc']}"
 
             graph.add_edge(
                 src,