I’m writing a Smart Contract in PyTeal, so an approval program and a clear program. After I added some functions, I got this error: invalid : approval program too long. max len 1024 bytes, that let me think approval program couldn’t be longer. For me that’s a problem because I have to add so many l…

Situation is even worse: application “gas” cost can be only 700 unit, in contract with passive contract “gas” of 20000. Separate logic as far as possible: for state manipulation: app, for asset sending logic: contract. And the contract can be enabled/disabled by the app, and vice versa, using trans…

What do you mean with [image] Maugli: for state manipulation: app, for asset sending logic: contract. ? I’m not very practical with contracts and apps in this platform. I’m using a program like this: PyTeal Examples — PyTeal documentation , so the only thing I’m using is an application defi…

Please try to read the artictle first I referred to. Yes, there is a way to make applications cooperate, by sharing variables, buit I haven’t tried that yet. Now is the time to make a framework, to make your example working. Btw, how could you write 30 K worth of rules? (in TEAL, I think) What ki…

Actually my work is bachelor’s degree project, in which I try to implement an authentication system, based on biometrics, in-chain. So I tried to manage negative or float values, to avoid using of loops (repeating body n times) and so on. My logic is (I think) too complex to run in-chain (this is w…

How are you planning to keep the biometrics secret and to prevent a user to re-use submitted biometrics for authentication? Note that everything on-chain is completely public to everybody. In particular, if a user submits their biometrics to a smart contract, they will be displayed to all users. …

I know everything involved in smart contract is public, but I don’t pass the biometrics in clear, so I don’t think there is some problem. The real problem is to know if it is possible to develop a complex logic using smart contract, considering all these problem.

I noticed one thing: my compiled file with the approval program is 1 KB dimension until I don’t add this call: x = calculate_and_check_negative5(negative_t, t, h) that referred to this: def calculate_and_check_negative5(negative: Expr, a: Expr, b: Expr) -> TealType.uint64: return If (Eq(negat…

No tips, only guesses. If negative_t, t, h is very complex, then this may happen. Please check the generated TEAL code. If possible, try to simplify. If nothing helps, please send me the .py files and the script to compile them in email.

I use negative_t, t and h in other function call too, so I don’t think these can be a real problem. If for you is ok, I can send you the whole project, because I split functions in different files.

Approval program's length

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Maugli May 15, 2021, 11:32am 13

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Approval program's length

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