def get_connections_status(assets=None): connections = {} for hub_conn in db.hub_connections_open(): if assets is not None and hub_conn["asset"] not in assets: continue connections[hub_conn["handle"]] = get_status(hub_conn) return connections
def get_connections_status(assets=None): # FIXME limit to only open connections # FIXME limit by asset connections = {} for hub_conn in db.hub_connections_open(): connections[hub_conn["handle"]] = get_status(hub_conn) return connections
def fund_deposits(): """Fund or top off open channels.""" with etc.database_lock: deposits = [] cursor = sql.get_cursor() for hub_connection in db.hub_connections_open(cursor=cursor): asset = hub_connection["asset"] terms = db.terms(id=hub_connection["terms_id"], cursor=cursor) # load client to hub data c2h_mpc_id = hub_connection["c2h_channel_id"] c2h_state = db.load_channel_state(c2h_mpc_id, asset, cursor=cursor) c2h_deposit_address = lib.deposit_address(c2h_state) c2h_deposit_balance = lib.get_balances(c2h_deposit_address, assets=[asset])[asset] if c2h_deposit_balance < terms["deposit_min"]: continue # ignore if client deposit insufficient if lib.is_expired(c2h_state, etc.expire_clearance): continue # ignore if expires soon if lib.has_unconfirmed_transactions(c2h_deposit_address): continue # ignore if unconfirmed transaction inputs/outputs if api.mpc_published_commits(state=c2h_state): continue # ignore if c2h commit published # load hub to client data h2c_mpc_id = hub_connection["h2c_channel_id"] h2c_state = db.load_channel_state(h2c_mpc_id, asset, cursor=cursor) h2c_deposit_address = lib.deposit_address(h2c_state) h2c_deposit_balance = lib.get_balances(h2c_deposit_address, assets=[asset])[asset] if lib.is_expired(h2c_state, etc.expire_clearance): continue # ignore if expires soon if lib.has_unconfirmed_transactions(h2c_deposit_address): continue # ignore if unconfirmed transaction inputs/outputs if api.mpc_published_commits(state=h2c_state): continue # ignore if h2c commit published # fund hub to client if needed deposit_max = terms["deposit_max"] deposit_ratio = terms["deposit_ratio"] if deposit_max: target = min(deposit_max, c2h_deposit_balance) * deposit_ratio else: target = int(c2h_deposit_balance * deposit_ratio) quantity = target - h2c_deposit_balance if quantity > 0: txid = lib.send_funds(h2c_deposit_address, asset, quantity) deposits.append({ "txid": txid, "asset": asset, "address": h2c_deposit_address, "quantity": quantity, "handle": hub_connection["handle"] }) return deposits