Questions tagged [program]
The program tag has no usage guidance.
163 questions
1
vote
2
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357
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Find msg.sender(payer of the tx) in a solana program
So i understand a msg.sender equivalent is the payer of the tx in solana , if so is there a way in vanilla solana or anchor to retrieve msg.sender i.e payer of the tx ?
as i understand it if there are ...
- 940
-1
votes
4
answers
129
views
Is there anything that prevents popular programs from being cloned hundreds of times by copycats?
There is a substantial precedent for various marketplaces getting trashed by copycats who reproduce original works hundreds of times in order to capture the lion share of the benefit by diluting out ...
- 782
-1
votes
1
answer
53
views
What are ways to protect a novel program solution in order to protect the IP investment of development effort? [closed]
If a team of developers invest a lot of time to build a unique solution to solve a problem, what ways can investors in their efforts protect the effective IP of that work?
- 782
0
votes
2
answers
108
views
Are all programs plainly visible within the blockchain? [closed]
Are all programs displayed in plain text?
If so, is there a way to obfuscate them so that others are not able to see the contents of the program?
- 782
1
vote
2
answers
209
views
Using Anchor, how to have PDA created without the PDA info being sent by the client?
Program:
#[derive(Accounts)]
pub struct Transact<'info> {
#[account(init, payer=payer, space= 8 + 1 + 4, seeds=[b"transaction", payer.key.as_ref()], bump)]
pub transaction: ...
- 148
-1
votes
1
answer
81
views
Is there a way to obfuscate programs so that other developers cannot reproduce my business without doing the hard work? [closed]
Are all programs plainly visible within the blockchain? Is there a way to prevent that when writing your program to protect the investment of development effort? If not, what would keep a popular ...
- 782
1
vote
2
answers
198
views
How would one hash two different pubkeys inside an Anchor program?
I am trying to setup an account constraint as such:
#[account(
init,
payer = creator,
space = StateObj::space(),
seeds = [
b"some-seed",
user_partner0.key()....
- 438
7
votes
2
answers
263
views
how to transfer native SOL from program to user
I have SOL in my program account. Is it possible to transfer that native (NOT WSOL) SOL to user?
If yes, How?
- 158
0
votes
1
answer
73
views
What is Owner Validation Program? [duplicate]
I was reading the source code of sollet.io.
Whenever they are creating an ATA, they are also calling some instruction of the Owner Validation Program: https://github.com/project-serum/spl-token-wallet/...
- 994
2
votes
1
answer
291
views
Which program is this: 4MNPdKu9wFMvEeZBMt3Eipfs5ovVWTJb31pEXDJAAxX5?
I was trying to transfer a token from Wallet 1 -> Wallet 2 using sollet.io on testnet.
It showed this error:
failed to send transaction: Transaction simulation failed: Attempt to load a program ...
- 994
1
vote
3
answers
73
views
How to bulk update accounts?
Is there a way to update a field on all the accounts owned by a program at once?
Say I have a bunch of PDAs Stake { amount: usize }.
Is it possible to do amount = amount * 1.1 for multiple accounts in ...
- 994
11
votes
1
answer
393
views
Why is SOL refunded after a program deploy?
I've noticed that some of the SOL required to deploy a program is refunded after the deploy. What's going on to cause this? Is it that the program is uploaded to multiple accounts and then one of them ...
- 3,775
9
votes
2
answers
883
views
How do I create an NFT using Anchor?
What is the simplest way to create an NFT using Anchor, without using the candy machine.
The goal is to be able to mint a token and corresponding metadata. Ideally with a single instruction.
- 801