{"functions": ["bridge_incoming_process", "bridge_incoming", "bridge_unset_operator", "bridge_outgoing", "bridge_set_operator", "bridge_set_outgoing_fee"], "snippet": "def bridge_incoming(info, args):\n    tick = args['a'][0]\n    assert type(tick) is str\n    assert len(tick) > 0 and len(tick) < 42\n    assert tick[0] in string.ascii_uppercase\n    assert set(tick) <= set(string.ascii_uppercase+string.digits+'_')\n\n    assert args['f'] == 'bridge_incoming'\n    functions, _ = get('asset', 'functions', [], tick)\n    assert args['f'] in functions\n\n    operator, _ = get(tick, 'bridge_operator', None)\n    assert operator is not None, \"Bridge is not initialized\"\n    sender = info['sender']\n    assert sender == operator, \"Only the operator can perform this operation\"\n\n    amount = int(args['a'][1])\n    assert amount > 0\n\n    receiver = args['a'][2].lower()\n    assert len(receiver) <= 42\n    assert type(receiver) is str\n    if len(receiver) == 42:\n        assert receiver.startswith('0x')\n        assert set(receiver[2:]) <= set(string.digits+'abcdef')\n    else:\n        assert len(receiver) > 4\n\n    chain = args['a'][3].lower()\n    assert chain in ['base']\n    tx_hash = args['a'][4].lower().replace('0x', '')\n    assert len(tx_hash) == 64\n\n    balance, _ = get(tick, 'balance', 0, receiver)\n    balance = int(balance)\n    balance += amount\n    put(receiver, tick, 'balance', balance, receiver)\n\n    total, _ = get(tick, 'total', 0)\n    total = int(total)\n    total += amount\n    asset_owner, _ = get('asset', 'owner', None, tick)\n    assert asset_owner\n    put(asset_owner, tick, 'total', total)\n\n    event('BridgeIn', [tick, amount, receiver, chain, tx_hash])\n\n\ndef bridge_outgoing(info, args):\n    tick = args['a'][0]\n    assert type(tick) is str\n    assert len(tick) > 0 and len(tick) < 42\n    assert tick[0] in string.ascii_uppercase\n    assert set(tick) <= set(string.ascii_uppercase+string.digits+'_')\n\n    assert args['f'] == 'bridge_outgoing'\n    functions, _ = get('asset', 'functions', [], tick)\n    assert args['f'] in functions\n\n    amount = int(args['a'][1])\n    assert amount > 0\n\n    sender = info['sender']\n    addr = handle_lookup(sender)\n\n    balance, _ = get(tick, 'balance', 0, addr)\n    balance = int(balance)\n    assert balance - amount >= 0\n    balance -= amount\n    put(addr, tick, 'balance', balance, addr)\n\n    total, _ = get(tick, 'total', 0)\n    total = int(total)\n    assert total - amount >= 0\n    total -= amount\n    asset_owner, _ = get('asset', 'owner', None, tick)\n    assert asset_owner\n    put(asset_owner, tick, 'total', total)\n\n    chain = args['a'][2]\n    assert chain in ['base']\n\n    event('BridgeOut', [tick, amount, sender, chain])\n\n\ndef bridge_set_operator(info, args):\n    tick = args['a'][0]\n    assert type(tick) is str\n    assert len(tick) > 0 and len(tick) < 42\n    assert tick[0] in string.ascii_uppercase\n    assert set(tick) <= set(string.ascii_uppercase+string.digits+'_')\n\n    assert args['f'] == 'bridge_set_operator'\n    functions, _ = get('asset', 'functions', [], tick)\n    assert args['f'] in functions\n\n    asset_owner, _ = get('asset', 'owner', None, tick)\n    sender = info['sender']\n    addr = handle_lookup(sender)\n    # print('bridge_set_operator', asset_owner, addr)\n    assert sender == asset_owner, \"Only the asset owner can perform this operation\"\n\n    operator = args['a'][1].lower()\n    assert type(operator) is str\n    # assert len(operator) == 42\n    assert operator.startswith('0x')\n    assert set(operator[2:]) <= set(string.digits+'abcdef')\n\n    put(addr, tick, 'bridge_operator', operator)\n    event('BridgeOperaterSet', [tick, operator])\n\n\ndef bridge_unset_operator(info, args):\n    tick = args['a'][0]\n    assert type(tick) is str\n    assert len(tick) > 0 and len(tick) < 42\n    assert tick[0] in string.ascii_uppercase\n    assert set(tick) <= set(string.ascii_uppercase+string.digits+'_')\n\n    assert args['f'] == 'bridge_unset_operator'\n    functions, _ = get('asset', 'functions', [], tick)\n    assert args['f'] in functions\n\n    asset_owner, _ = get('asset', 'owner', None, tick)\n    sender = info['sender']\n    addr = handle_lookup(sender)\n    assert addr == asset_owner, \"Only the asset owner can perform this operation\"\n\n    put(addr, tick, 'bridge_operator', None)\n    event('BridgeOperaterUnset', [tick])\n\ndef bridge_set_outgoing_fee(info, args):\n    tick = args['a'][0]\n    assert type(tick) is str\n    assert len(tick) > 0 and len(tick) < 42\n    assert tick[0] in string.ascii_uppercase\n    assert set(tick) <= set(string.ascii_uppercase+string.digits+'_')\n\n    assert args['f'] == 'bridge_set_outgoing_fee'\n    functions, _ = get('asset', 'functions', [], tick)\n    assert args['f'] in functions\n\n    chain = args['a'][1]\n    assert chain in ['base']\n\n    fee = int(args['a'][2])\n    assert fee > 0\n\n    asset_owner, _ = get('asset', 'owner', None, tick)\n    sender = info['sender']\n    addr = handle_lookup(sender)\n    assert addr == asset_owner, \"Only the asset owner can perform this operation\"\n\n    put(asset_owner, tick, 'bridgeout_fee', fee)\n    event('BridgeOutFeeChanged', [tick, fee])\n"}