All Questions
Tagged with smart-contract anchor
7 questions
1
vote
2
answers
391
views
How would you go about cloning Pump.fun smart contracts?
I want to make a pump.fun clone, how would I go about rewriting the smart contracts that pump.fun uses, ie the token minting, bonding curve, adding and removing liquidity etc. How would I go about ...
0
votes
0
answers
25
views
how calculate the discriminator by the struct to resolve the command in the anchor project?
i got the discriminator by the command : anchor build.
but i wonder how can i got this discriminator without the command.
i search the source code and it use ${namespace}:${context} and hash-sha256.
...
0
votes
2
answers
49
views
How to create a mapping on solana using PDA?
What's the solidity equivalent to implement a mapping(address => bool) in anchor for solana? I figured out the way to go is PDA, but I was only able to figure out how to generate a PDA using ...
1
vote
0
answers
137
views
anchor-spl v0.30.1 solana-spl 1.18.17 error[E0308]: mismatched types
I'm building solana smart contract with anchor.
anchor version is 0.30.1
solana-cli version is 1.18.17
first time, I built and deploy smart contract without any issue.
But after I add this two lines, ...
0
votes
1
answer
41
views
Can users pass Dummy State Accounts in Solana Program?
I'm working with a Solana program and I have the following code:
#[derive(Accounts)]
pub struct SomeStruct<'info> {
#[account()]
pub state: Account<'info, State>,
....
}
I'm ...
1
vote
0
answers
34
views
Solana Smart contract automatic audit tool
I used soteria before to audit solana programs.
But it was not updated and does not support latest anchor versions.
If anyone knows automatic audit tool, hope to share your experience and knowledge ...
2
votes
1
answer
108
views
Signer issues with anchor tests
i'm getting a weird signer error when running my tests;
Error: Signature verification failed.
Missing signature for public key [`6jAudYFBbfQS59oPNjYcMkqr9MqBf312T7oP6WSYRjsg`].
In this case, ...