All Questions
44
questions
2
votes
1
answer
50
views
Admin endpoints in a program
How can I ensure that a function can only be called by the address that deployed the program, or the address that is the mint authority ? In anchor
0
votes
0
answers
45
views
deploy program and failed at 99% almost every time?
Error: 1 write transactions failed
There was a problem deploying: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "" }.
what this means? some one rejected ...
- 61
1
vote
1
answer
52
views
Got error "account data too small for instruction" when run Anchor deploy?
Sometimes I got this error when deploy program with running "anchor deploy":
Error: Deploying program failed: RPC response error -32002: Transaction simulation failed: Error processing ...
- 61
0
votes
2
answers
38
views
can not deploy, getting weird error
i'm trying to build and deploy a program, but i get errors while building (althought it still finishes the build), and i can't deploy.
Here is the error while deploying :
ELF error: Failed to parse ...
- 1,250
2
votes
1
answer
34
views
Deploy a program from another program
I'm trying to build a bridge and I need to create pools in both chains
In Solidity, I would be creating a contract that deploys and manage individual pools, but not sure if that can be achieved in ...
0
votes
1
answer
24
views
How can I develop to purchase NFT in Solana and anchor
Help me please~~~
Could you send me a sample code or project?
0
votes
1
answer
45
views
Tx Reverting Even If Internal CPI Fails
Creating a CPI call, since it returns a Result. If the internal call throws an error, err should have an err() field as per the definition. The whole transaction should not revert, but it is reverting....
0
votes
2
answers
76
views
Revoke Mint authority in Anchor
How can I revoke the mint authority of my SPL token using Anchor?
Using the Revoke accounts context seems not to make a difference.
Side note, what does source represent from anchor's SPL token ...
- 3,907
2
votes
1
answer
36
views
Relational PDA design through seeds
I have somewhat what seems to be a fairly simple question.
Lets assume we are building a Todo list where everything is public. And lets say a user will be able to create a new Task and that task will ...
- 55
0
votes
1
answer
40
views
Can't run local validator on MAC
Hello I'm getting the following error:
Error: failed to start validator: Failed to create ledger at test-ledger: io error: Error checking to unpack genesis archive: Archive error: extra entry found: &...
1
vote
1
answer
66
views
How to pause program on Solana?
How can I pause program in Anchor on Solana like pause provided by Solidity?
I know programs on Solana is stateless, but I need to achieve this function.
- 11
2
votes
1
answer
70
views
Access Account Discriminator in Anchor
I wish to access the discriminator of an Account Type inside a program.
The only method I found is
let mut init_storage_data = ctx.accounts.storage.try_to_vec().unwrap();, but it's skips the first 8 ...
- 77
1
vote
2
answers
45
views
Is There a Limit To How Many People Can Transfer SOL Into a "Pot" Account?
I'm building a game and want to give players the ability to pool SOL into a PDA account that is distributed to the player that wins. I've read about write-locked accounts, but usually only in the ...
- 121
2
votes
1
answer
33
views
canonical method of calling programs functions in script format
I have a couple deployed programs on Devnet. Is there a standard way of calling functions on a deployed program, assuming I have the IDL?
Obviously I could write a test but a test typically deploys a ...
- 523
2
votes
1
answer
153
views
How do you avoid frontrunning when initializing a program with a PDA?
Let's say I have a PDA which maintains the global state of my program. This is like a singleton. And the following snippets of code initialize it :
pub fn initialize(ctx: Context<Initialize>) -&...
- 328