From 4c38132c38b7c2ed65751c3bbda5b339558dd24f Mon Sep 17 00:00:00 2001
From: kexkey <github@kexkey.com>
Date: Fri, 10 Sep 2021 02:08:23 -0400
Subject: [PATCH] Added ln_paystatus

---
 .../templates/gatekeeper/api.properties         |  1 +
 proxy_docker/app/script/call_lightningd.sh      | 17 +++++++++++++++++
 proxy_docker/app/script/requesthandler.sh       | 17 +++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/cyphernodeconf_docker/templates/gatekeeper/api.properties b/cyphernodeconf_docker/templates/gatekeeper/api.properties
index ad1f652..35b0ac4 100644
--- a/cyphernodeconf_docker/templates/gatekeeper/api.properties
+++ b/cyphernodeconf_docker/templates/gatekeeper/api.properties
@@ -37,6 +37,7 @@ action_ln_decodebolt11=watcher
 action_ln_listpeers=watcher
 action_ln_getroute=watcher
 action_ln_listpays=watcher
+action_ln_paystatus=watcher
 action_bitcoin_estimatesmartfee=watcher
 
 # Spender can do what the watcher can do, plus:
diff --git a/proxy_docker/app/script/call_lightningd.sh b/proxy_docker/app/script/call_lightningd.sh
index 624f287..45adc06 100644
--- a/proxy_docker/app/script/call_lightningd.sh
+++ b/proxy_docker/app/script/call_lightningd.sh
@@ -472,6 +472,23 @@ ln_listpays() {
   return ${returncode}
 }
 
+ln_paystatus() {
+  trace "Entering ln_paystatus()..."
+
+  local result
+  local bolt11=${1}
+  trace "[ln_paystatus] bolt11=${bolt11}"
+
+  result=$(./lightning-cli paystatus ${bolt11})
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[ln_paystatus] result=${result}"
+
+  echo "${result}"
+
+  return ${returncode}
+}
+
 ln_newaddr() {
   trace "Entering ln_newaddr()..."
 
diff --git a/proxy_docker/app/script/requesthandler.sh b/proxy_docker/app/script/requesthandler.sh
index eea3ffc..4119580 100644
--- a/proxy_docker/app/script/requesthandler.sh
+++ b/proxy_docker/app/script/requesthandler.sh
@@ -661,6 +661,23 @@ main() {
           response_to_client "${response}" ${?}
           break
           ;;
+        ln_paystatus)
+          # GET http://192.168.111.152:8080/ln_paystatus
+          # POST http://192.168.111.152:8080/ln_paystatus
+          # BODY {"bolt11":"lntb1pdca82tpp5gv8mn5jqlj6xztpnt4r472zcyrwf3y2c3cvm4uzg2gqcnj90f83qdp2gf5hgcm0d9hzqnm4w3kx2apqdaexgetjyq3nwvpcxgcqp2g3d86wwdfvyxcz7kce7d3n26d2rw3wf5tzpm2m5fl2z3mm8msa3xk8nv2y32gmzlhwjved980mcmkgq83u9wafq9n4w28amnmwzujgqpmapcr3"}
+          # BODY {}
+
+          # Let's make it work even for a GET request (equivalent to a POST with empty json object body)
+          if [ "$http_method" = "POST" ]; then
+            bolt11=$(echo "${line}" | jq -r ".bolt11 // empty")
+          else
+            bolt11=
+          fi
+
+          response=$(ln_paystatus "${bolt11}")
+          response_to_client "${response}" ${?}
+          break
+          ;;
         ln_newaddr)
           # GET http://192.168.111.152:8080/ln_newaddr