newLISP Fan Club

Ok roger that, rrq.

I did not realize the interactive mode would display differently.

And thanks for the println tip, makes it much prettier.

Thanks again for clarification and detailed explanation!

Much appreciated.

Side note, I managed to get a json output from the python file, which feeds nicely into
json-parse.

Of course, I am still curious how I should correctly swap the ' for a " in the
replace function.

Thanks Ralph,

I am using this to get data from a python script:

(set 'a (exec "python3 go.py"))
So when it arrives to my nL script, it is a string inside of a list.

With your suggestion, I managed to get it to the string with this:

(set 'b (a 0))
and can then run this:

(replace "\'" b "\"")
Which returns this:

"{\"symbol\": \"BURT/USDT\", \"timestamp\": None, \"datetime\": None, \"high\": 0.002463, \"low\": 0.001605, \"bid\": None, \"bidVolume\": 1731397.09898224, \"ask\": None, \"askVolume\": 2732456.21823022, \"vwap\": None, \"open\": 0.002136, \"close\": 0.002051, \"last\": 0.002051, \"previousClose\": None, \"change\": -8.5e-05, \"percentage\": -3.9794007490636703, \"average\": 0.002093, \"baseVolume\": 10255192.67905658, \"quoteVolume\": None, \"markPrice\": None, \"indexPrice\": None, \"info\": {\"close\": \"0.002051\", \"high\": \"0.002463\", \"last\": \"0.002051\", \"low\": \"0.001605\", \"market\": \"BURTUSDT\", \"open\": \"0.002136\", \"period\": \"86400\", \"value\": \"21214.1562025586145\", \"volume\": \"10255192.67905658\", \"volume_buy\": \"1731397.09898224\", \"volume_sell\": \"2732456.21823022\"}}"
Is there an way to keep the "\" from appearing, as I was trying to escape the middle " ?

Much appreciated again!

Hi and thanks for guidance!

I am trying to format this into valid json so I can json-parse it:

("{'symbol': 'BURT/USDT', 'timestamp': 1731440509530, 'datetime': '2024-11-12T19:41:49.530Z', 'high': 0.00353408, 'low': 0.00208606, 'bid': None, 'bidVolume': None, 'ask': None, 'askVolume': None, 'vwap': None, 'open': 0.00303488, 'close': 0.00246695, 'last': 0.00246695, 'previousClose': None, 'change': -0.00056793, 'percentage': -18.71, 'average': 0.00275091, 'baseVolume': None, 'quoteVolume': 281487.40662491, 'info': {'s': 'burt_usdt', 't': '1731440509530', 'cv': '-0.00056793', 'cr': '-0.1871', 'o': '0.00303488', 'l': '0.00208606', 'h': '0.00353408', 'c': '0.00246695', 'q': '97965253', 'v': '281487.40662491'}, 'indexPrice': None, 'markPrice': None}")
From what I understand, I have to change the single quotes to double quotes and change None to null, in order for it to be valid json, below, which validates as correct json:

{"symbol": "BURT/USDT", "timestamp": 1731440509530, "datetime": "2024-11-12T19:41:49.530Z", "high": 0.00353408, "low": 0.00208606, "bid": null, "bidVolume": null, "ask": null, "askVolume": null, "vwap": null, "open": 0.00303488, "close": 0.00246695, "last": 0.00246695, "previousClose": null, "change": -0.00056793, "percentage": -18.71, "average": 0.00275091, "baseVolume": null, "quoteVolume": 281487.40662491, "info": {"s": "burt_usdt", "t": "1731440509530", "cv": "-0.00056793", "cr": "-0.1871", "o": "0.00303488", "l": "0.00208606", "h": "0.00353408", "c": "0.00246695", "q": "97965253", "v": "281487.40662491"}, "indexPrice": null, "markPrice": null}
Here is what I tried:

(set 'a '("{'symbol': 'BURT/USDT', 'timestamp': 1731439797068, 'datetime': '2024-11-12T19:29:57.068Z', 'high': 0.00353408, 'low': 0.00208606, 'bid': None, 'bidVolume': None, 'ask': None, 'askVolume': None, 'vwap': None, 'open': 0.00294771, 'close': 0.00248834, 'last': 0.00248834, 'previousClose': None, 'change': -0.00045937, 'percentage': -15.58, 'average': 0.00271802, 'baseVolume': None, 'quoteVolume': 281817.75855221, 'info': {'s': 'burt_usdt', 't': '1731439797068', 'cv': '-0.00045937', 'cr': '-0.1558', 'o': '0.00294771', 'l': '0.00208606', 'h': '0.00353408', 'c': '0.00248834', 'q': '97998750', 'v': '281817.75855221'}, 'indexPrice': None, 'markPrice': None}"))

(replace "\'" a "\"")  ; gave the below with no changes

("{'symbol': 'BURT/USDT', 'timestamp': 1731439797068, 'datetime': '2024-11-12T19:29:57.068Z', 'high': 0.00353408, 'low': 0.00208606, 'bid': None, 'bidVolume': None, 'ask': None, 'askVolume': None, 'vwap': None, 'open': 0.00294771, 'close': 0.00248834, 'last': 0.00248834, 'previousClose': None, 'change': -0.00045937, 'percentage': -15.58, 'average': 0.00271802, 'baseVolume': None, 'quoteVolume': 281817.75855221, 'info': {'s': 'burt_usdt', 't': '1731439797068', 'cv': '-0.00045937', 'cr': '-0.1558', 'o': '0.00294771', 'l': '0.00208606', 'h': '0.00353408', 'c': '0.00248834', 'q': '97998750', 'v': '281817.75855221'}, 'indexPrice': None, 'markPrice': None}")
Do I need to use regex for this or what would be the best approach to take? Thanks very much!

Gotcha,

Thanks for jogging the memory.

https://newlispfanclub.com/index.php?topic=4862.0

I will attempt to piece this together, much appreciated!

--jj

Hi there,

I am looking to follow step 2 of the api hmac authentication where it generates a signature from the string of GET + urlbody + timestamp, as indicated here:

https://docs.coinex.com/api/v2/authorization

As I understand it, the string to encrypt should look like this:

GET/assets/spot/balance1729963117000

which hashes to this:

ea68fa414dd208129b72ee5f4dcf34fd4b2a2c83121616da3f4cca454bd8d6e6

I am constructing the string with similar code to this:

(set 'timestamp (date-value (now)))
(set 'timestamp (push "000" (string timestamp) -1))  ; convert timestamp to milliseconds
(set 'user "xxx")

(set 'urlbase "https://api.coinex.com/v2")
(set 'urlendpoint "/assets/spot/balance")

(set 'urlbody (string "GET" urlendpoint timestamp))
(set 'urlbodyhash (crypto:sha256 urlbody))
(set 'url (string urlbase urlendpoint))

(set 'call (string "curl -X 'GET' " url " -H 'Content-type: application/json' -H 'X-COINEX-KEY: " user "' -H 'X-COINEX-SIGN: " urlbodyhash "' -H 'X-COINEX-TIMESTAMP: " timestamp "'"))
And the formatted curl request looks like this:

curl -X 'GET' https://api.coinex.com/v2/assets/spot/balance -H 'Content-type: application/json' -H 'X-COINEX-KEY: xxx' -H 'X-COINEX-SIGN: ea68fa414dd208129b72ee5f4dcf34fd4b2a2c83121616da3f4cca454bd8d6e6' -H 'X-COINEX-TIMESTAMP: 1729963117000'

When this is submitted to the api, I get this response:

("{\"code\":25,\"data\":{},\"message\":\"Signature Incorrect\"}")
This is how the docs suggest to construct the string (in python I believe):

prepared_str = "GET"+"/v2/spot/balance"+"1700490703564"
Have I generated the string correctly? or any thought to why the signature fails?

Thanks very much in advance for any tips! :+)

And this is the python example signature generation:

https://github.com/coinexcom/coinex_api_demo/blob/feat-api-v2/python/api.py

Thank you for porting the forum!

This is fantastic, and your work greatly appreciated itistoday!

Thanks itistoday!



This would be a great contribution to nL!!

Thank you Kirill,

Code Select Expand

&timestamp=

made

Code Select Expand

&timestamp=

Thanks for the magic direction!

Hi,



When I do this from the nL command line interpreter:

Code Select Expand

> (println "&timestamp")
&timestamp
"&timestamp"

All good as expected.



When I am running it on a web server cgi script looking at it from my browser, I end up with this result:

Code Select Expand

×tamp

How do I preserve &timestamp if I am making a string, say to include in a url?



When the result is ×tamp instead of &timestamp in the url, things break.



It seems like when seen "&times", something is changing that to show × instead?



I have this at top of the cgi script:

Code Select Expand

(print "Content-Type: text/htmlrnrn")

Thanks very much!

Super big thanks to the forum admin!



The forum really propels the adoption of newLISP.



Would there be chance to re-add the Forum link to the nL home page?



It is such a resource, it seems more than worthy. Thanks again admin! :D

Ok thanks Lutz and TedWalther!



I got json-parse to work just great w Lutz's suggestion to use exec and curl:

Code Select Expand

(json-parse (join (exec "curl 'https://www.mysite.com/my.json'")))

Much appreciated to both! :o)

Hi,



I love get-url and what it makes available for coding!



It seems to work on some sites and others not so much.



I have never had any issue before with using get-url for http calls.



For example, on both nearlyfreespeech.net and my laptop, it hangs on some sites.



(get-url "http://newlisp.org">http://newlisp.org") -- works!

(get-url "http://nearlyfreespeech.net">http://nearlyfreespeech.net") -- doesnt't work!

(get-url "http://amazon.com">http://amazon.com") -- doesn't work!

(get-url "http://google.com">http://google.com") -- works!



When it doesn't work, it just hangs.



I am guessing this is a server blocking issue for get-url requests?



On my nearlyfreespeech server, the logs say:

Code Select Expand


[Fri Sep 11 05:52:46.179236 2020] [cgi:warn] [pid 6060:tid 34480497408] [client 174.16.51.59:0] AH01220: Timeout waiting for output from CGI script /fs6b/abc/public/go.cgi
[Fri Sep 11 05:52:46.179516 2020] [core:error] [pid 6060:tid 34480497408] (70007)The timeout specified has expired: [client 174.16.51.59:0] AH00574: ap_content_length_filter: apr_bucket_read() failed

newLISP v.10.7.1 32-bit on Linux IPv4/6 UTF-8 libffi

newLISP v.10.7.5 64-bit on BSD IPv4/6 UTF-8



Thank you much for any quick tips on this! :D

Thanks very much for all the exemplars!



ref and map seem to carry things out quite well!



Much appreciated!

The ref and ref-all functions bring back an address or list of addresses.



As cormullion wrote in the nL wikibook:

Code Select Expand

(ref-all "Brian Eno" itunes-data)
;-> ((0 2 14 528 6 1) (0 2 16 3186 6 1) (0 2 16 3226 6 1))

What would be the best way to get that data instead of the numerical addresses?



Essentially, once I find the address is (0 2 14 528 6 1), how best would I get what it actually is, not the address?



So how best to get (0 2 16 3186 6 1) data?



Thank you!