[
    "autonomous agent",
    {
        "messages": {
            "cases": [
                {
                    "messages": [
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "base",
                                "outputs": [
                                    {
                                        "address": "{trigger.address}",
                                        "amount": "{$to_send + $base_inp}"
                                    }
                                ]
                            },
                            "if": "{$asset}"
                        },
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "{var['asset']}",
                                "outputs": [
                                    {
                                        "address": "{trigger.address}",
                                        "amount": "{$to_send}"
                                    }
                                ]
                            },
                            "if": "{!$asset}"
                        },
                        {
                            "app": "state",
                            "state": "{response['message'] = 'Exchanged ('||($asset ? 'assets': 'bytes')||') at '||var['price']||' bytes per token';}"
                        }
                    ],
                    "if": "{trigger.address != $OWNER}",
                    "init": "{if(!var['asset'] or !var['price'] or !var['want']) bounce('Not configured yet');if(var['address'] and trigger.address != var['address']) bounce('No permission for exchange');if($asset and $asset != var['asset']) bounce('Asset not allowed, please send ' || var['asset']);if(!$asset and var['want'] == 'asset') bounce('Owner wants assets');if($asset and var['want'] == 'byte') bounce('Owner wants bytes');$balance = balance[base] - $base_inp + $FEE;$available = $asset ? ($balance - ($balance % var['price'])) : balance[var['asset']];if($available <= 0) bounce('There are no '|| ($asset?'bytes':'assets')||' left');$to_send = $asset ?(trigger.output[[asset!=base]] * var['price']) : (($base_inp - ($base_inp % var['price'])) / var['price']);if($available < $to_send) bounce('Not enough funds, try lower amount');}"
                },
                {
                    "messages": [
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "{$asset}",
                                "outputs": [
                                    {
                                        "address": "{$OWNER}",
                                        "amount": "{trigger.output[[asset!=base]]}"
                                    }
                                ]
                            },
                            "if": "{$asset}"
                        },
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "base",
                                "outputs": [
                                    {
                                        "address": "{$OWNER}",
                                        "amount": "{$base_inp}"
                                    }
                                ]
                            }
                        },
                        {
                            "app": "state",
                            "state": "{if(trigger.data.price){if(round(trigger.data.price) <= 0) bounce('Price must be greater than 0');var['price'] = round(trigger.data.price);}if($asset or trigger.data.asset)var['asset'] = $asset otherwise trigger.data.asset;if(trigger.data.address){if(trigger.data.address == 'clear')var['address'] = false;elsevar['address'] = trigger.data.address;}if(trigger.data.want){if(trigger.data.want != 'asset' and trigger.data.want != 'byte')bounce('Not allowed. Valid values: asset,byte');var['want'] = trigger.data.want;}if(!(var['price'] and var['asset'] and var['want']))response['message'] = 'Not properly configured, you are missing required param/s';elseresponse['message'] = 'Configured and ready to exchange!';}"
                        }
                    ],
                    "if": "{trigger.data.configure}"
                },
                {
                    "messages": [
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "{var['asset']}",
                                "outputs": [
                                    {
                                        "address": "{$OWNER}",
                                        "amount": "{balance[var['asset']]}"
                                    }
                                ]
                            },
                            "if": "{balance[var['asset']] > 0}"
                        },
                        {
                            "app": "payment",
                            "payload": {
                                "asset": "base",
                                "outputs": [
                                    {
                                        "address": "{$OWNER}"
                                    }
                                ]
                            }
                        },
                        {
                            "app": "state",
                            "state": "{response['message'] = 'withdrawn '||var['asset']||' asset and/or bytes';}"
                        }
                    ],
                    "if": "{trigger.data.withdraw and var['asset']}"
                },
                {
                    "messages": [
                        {
                            "app": "state",
                            "state": "{response['message'] = 'amount deposited correctly';}"
                        }
                    ]
                }
            ]
        },
        "init": "{$OWNER = 'JBGMJI7XSKLKNHZF26BUBWHVUZSDV3P5';$FEE = 1000;$base_inp = trigger.output[[asset=base]] - $FEE;if(trigger.output[[asset!=base]].asset != 'none')$asset = trigger.output[[asset!=base]].asset;if($asset and $asset == 'ambiguous') bounce('Only 1 asset per tx');}"
    }
]