commands: gate get_channel_ctx behind --iknowwhatimdoing

electrum/commands.py

@@ -1037,8 +1037,11 @@ class Commands:
         return await coro
 
     @command('wn')
-    async def get_channel_ctx(self, channel_point, wallet: Abstract_Wallet = None):
+    async def get_channel_ctx(self, channel_point, iknowwhatimdoing=False, wallet: Abstract_Wallet = None):
         """ return the current commitment transaction of a channel """
+        if not iknowwhatimdoing:
+            raise Exception("WARNING: this command is potentially unsafe.\n"
+                            "To proceed, try again, with the --iknowwhatimdoing option.")
         txid, index = channel_point.split(':')
         chan_id, _ = channel_id_from_funding_tx(txid, int(index))
         chan = wallet.lnworker.channels[chan_id]

electrum/tests/regtest/regtest.sh

@@ -149,7 +149,7 @@ if [[ $1 == "breach" ]]; then
     echo "alice pays"
     $alice lnpay $request
     sleep 2
-    ctx=$($alice get_channel_ctx $channel)
+    ctx=$($alice get_channel_ctx $channel --iknowwhatimdoing)
     request=$($bob add_lightning_request 0.01 -m "blah2")
     echo "alice pays again"
     $alice lnpay $request
@@ -219,7 +219,7 @@ if [[ $1 == "breach_with_unspent_htlc" ]]; then
         echo "enable_htlc_settle did not work, $settled != 0"
         exit 1
     fi
-    ctx=$($alice get_channel_ctx $channel)
+    ctx=$($alice get_channel_ctx $channel --iknowwhatimdoing)
     $bob enable_htlc_settle true
     settled=$($alice list_channels | jq '.[] | .local_htlcs | .settles | length')
     if [[ "$settled" != "1" ]]; then
@@ -243,7 +243,7 @@ if [[ $1 == "breach_with_spent_htlc" ]]; then
     echo "alice pays bob"
     invoice=$($bob add_lightning_request 0.05 -m "test")
     $alice lnpay $invoice --timeout=1 || true
-    ctx=$($alice get_channel_ctx $channel)
+    ctx=$($alice get_channel_ctx $channel --iknowwhatimdoing)
     settled=$($alice list_channels | jq '.[] | .local_htlcs | .settles | length')
     if [[ "$settled" != "0" ]]; then
         echo "enable_htlc_settle did not work, $settled != 0"
@@ -307,7 +307,7 @@ if [[ $1 == "watchtower" ]]; then
     echo "alice pays bob"
     invoice1=$($bob add_lightning_request 0.01 -m "invoice1")
     $alice lnpay $invoice1
-    ctx=$($alice get_channel_ctx $channel)
+    ctx=$($alice get_channel_ctx $channel --iknowwhatimdoing)
     echo "alice pays bob again"
     invoice2=$($bob add_lightning_request 0.01 -m "invoice2")
     $alice lnpay $invoice2