ARK developers/Lobby

Bittylicious

@Bittylicious__twitter

I'll move over to Slack as that's where all the cool kids appear to be nowadays.

Jesus The Hun

@JesusTheHun

hi, can you store custom data and retrieve it during a canEnterTransactionPool () check ? I would like to enforce a unique ID

Kristjan Kosic

@kristjank

Hi all. Please jump over to https://ark.io.slack and join devnet or help channel

@JesusTheHun for storing custom data its best to develop you own custom transaction. while still in beta, you can test it, add your own verification/validation logic, etc... i recommend you check this tutorial. https://docs.ark.io/tutorials/core/how-to-write-custom-transactions.html

then you can add more custom logic to you verification

Moustikitos

@Moustikitos

hello there, can someone give me the serialization of tx below ?

{
  "amount": 100000000,
  "asset": {},
  "expiration": 0,
  "fee": 127819444,
  "id": "fe96a72d78373ca6c4dc5bc83eba444f7565367a513fce2c9b02bef90b935cbd",
  "network": 30,
  "nonce": 377,
  "recipientId": "D7seWn8JLVwX4nHd9hh2Lf7gvZNiRJ7qLk",
  "senderId": "D7seWn8JLVwX4nHd9hh2Lf7gvZNiRJ7qLk",
  "senderPublicKey": "03a02b9d5fdd1307c2ee4652ba54d492d1fd11a7d1bb3f3a44c4a05e79f19de933",
  "signSignature": "da3bf53b5c07824e2f473b1915d434b1a95b9acd9c4df9f53bc7b7606ccc8a0de876863fa1884e7aa6b6afca30f5a4e06ffaf3d288b5005843794f3c78c9a9c3",
  "signature": "80b22c490d3ac58b505992de2ba4e55458795a82f87bc9d11a209cadd96fa29f34a0143e5fcca3b085388988eac350705ab39951c5430d5bd2ffd0cc32055fc6",
  "timestamp": 82277685,
  "type": 0,
  "typeGroup": 1,
  "vendorField": "test",
  "version": 2
}

thanks

i try to produce valid schnorr signature in python using :
https://github.com/sipa/bips/blob/bip-schnorr/bip-schnorr/reference.py

got this answer :

{'data': {'accept': [], 'broadcast': [], 'excess': [], 'invalid': ['fe96a72d78373ca6c4dc5bc83eba444f7565367a513fce2c9b02bef90b935cbd']}, 'errors': {'fe96a72d78373ca6c4dc5bc83eba444f7565367a513fce2c9b02bef90b935cbd': [{'type': 'ERR_BAD_DATA', 'message': "Transaction didn't pass the verification process."}]}}

i think my issue is in the tx serialization :

ff021e0100000000790100000000000003a02b9d5fdd1307c2ee4652ba54d492d1fd11a7d1bb3f3a44c4a05e79f19de933b45e9e0700000000047465737400e1f50500000000000000001e1dfc69b54c7fe901e91d5a9ab78388645e2427ea80b22c490d3ac58b505992de2ba4e55458795a82f87bc9d11a209cadd96fa29f34a0143e5fcca3b085388988eac350705ab39951c5430d5bd2ffd0cc32055fc6da3bf53b5c07824e2f473b1915d434b1a95b9acd9c4df9f53bc7b7606ccc8a0de876863fa1884e7aa6b6afca30f5a4e06ffaf3d288b5005843794f3c78c9a9c3fe96a72d78373ca6c4dc5bc83eba444f7565367a513fce2c9b02bef90b935cbd

Daniil

@dvneverov

Hi! We are up to using ARK on one of our projects. I have a question about testnet.
Is it possible to start using SDK without deploying relay node?
As it said in public API docs:
"If you are not running a relay yourself you can use https://api.ark.io/api/ to test API calls. Happy developing!", but this one is mainnet API. And we wanted to start developing at testnet.
Also, do you have something like TestNet Faucet, same as in other blockchains to claim free ARKs for testing purposes?
Thanks in advance

Kristjan Kosic

@kristjank

hi @dvneverov

its easy to start local testnet like 2 minutes, it depends what you project includes...

check the updated guides and resources on https://learn.ark.dev

https://learn.ark.dev/core-getting-started/setting-up-your-development-environment

for API (SDK) testing you can use https://api.ark.io/api/ as endpoint or also https://dexplorer.ark.io/api

curl https://dexplorer.ark.io/api/transactions

detailed api documentation is here https://api.ark.dev and sdk docs are at https://sdk.ark.dev

if you run a local testnet as described here: https://learn.ark.dev/core-getting-started/setting-up-your-development-environment

Kristjan Kosic

@kristjank

then you can just check the passwords file and use the API. when running a local testnet node -> just redirect all API calls to it, as it simulates the whole dpos network on a single computer with minimal resources

for devnet api - redirect calls to one of devnet peers or to https://dexplorer.ark.io/api

devnet is running on v.2.6-next

https://devnet.money/ will get you DARK tokens for devnet testing

and Have Fun

Daniil

@dvneverov

@kristjank Have just connected to devnet via sdk, works like a charm. Thank you very much!

Kristjan Kosic

@kristjank

Great @dvneverov

Francesco Carnevale

@Frances34589683_twitter

hi, I'm new to the room, I installed core-explorer locally and now I would like to point it to a mainnet network already online, I wanted to ask for an info, I just have to change the ip address in the mainnet.json file located in the network folder and insert that of the remote core? or do I need to change some other information?

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