coin_mvt: add integration tests for in-channel htlc movements

tests/plugins/coin_movements.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from pyln.client import Plugin
+
+plugin = Plugin()
+
+
+@plugin.init()
+def init(configuration, options, plugin):
+    plugin.coin_moves = []
+
+
+@plugin.subscribe("coin_movement")
+def notify_coin_movement(plugin, coin_movement, **kwargs):
+    idx = coin_movement['movement_idx']
+    plugin.log("{} coins movement version: {}".format(idx, coin_movement['version']))
+    plugin.log("{} coins node: {}".format(idx, coin_movement['node_id']))
+    plugin.log("{} coins mvt_type: {}".format(idx, coin_movement['type']))
+    plugin.log("{} coins account: {}".format(idx, coin_movement['account_id']))
+    plugin.log("{} coins credit: {}".format(idx, coin_movement['credit']))
+    plugin.log("{} coins debit: {}".format(idx, coin_movement['debit']))
+    plugin.log("{} coins tag: {}".format(idx, coin_movement['tag']))
+    plugin.log("{} coins blockheight: {}".format(idx, coin_movement['blockheight']))
+    plugin.log("{} coins timestamp: {}".format(idx, coin_movement['timestamp']))
+    plugin.log("{} coins unit_of_account: {}".format(idx, coin_movement['unit_of_account']))
+
+    for f in ['payment_hash', 'utxo_txid', 'vout', 'txid', 'part_id']:
+        if f in coin_movement:
+            plugin.log("{} coins {}: {}".format(idx, f, coin_movement[f]))
+
+    plugin.coin_moves.append(coin_movement)
+
+
+@plugin.method('listcoinmoves_plugin')
+def return_moves(plugin):
+    return {'coin_moves': plugin.coin_moves}
+
+
+plugin.run()