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Results tagged with solana-program
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user 50
4
votes
getSignaturesForAddress limited to 1000 TXNs
The getSignatureForAddresses method returns a maximum of 1000 signatures.
To retrieve signatures older than your initial query, you can pass in an optional before signature. https://solana-labs.github …
- 2,907
3
votes
Accepted
Is there any way to implement only owner access control in solana anchor
All executable programs (smart contracts) are owned by the BPF loader.
What you refer to as the "owner" in this case, will be the upgrade authority.
You can implement access control checks by passing …
- 2,907
7
votes
How do I transfer sol from a PDA account to a user account
Only the program that owns the account can debit its lamports. Since this is a program-owned account you're transferring from, the System Program wont be able to do the transfer, because it doesn't ow …
- 2,907
1
vote
init anchor project cause problem with rust-analyzer
Seems like the required crate isn't installed yet.
Try running cargo run or cargo build
- 2,907
4
votes
Solana Package Breaking React App UX
Seems like a missing transient dependency.
Consider installing it manually:
with npm:
npm i @ledgerhq/devices
with yarn:
yarn add @ledgerhq/devices
If this is a new react app, will advice you using …
- 2,907
3
votes
What are the best practices I can do to secure my Solana smart contracts if I can't afford a...
While these won't comprehensively secure your program, there are a few security checks you can keep in mind;
Ownership checks:
An ownership check verifies that an account is owned by the expected publ …
- 2,907
2
votes
Where can I get programId after deploying the program through solana playground on devnet?
The program id is 8Xnz4ta9XGsq7A7mHTeMd9eg4JQoT7z1TxoiKdp3StVY
You can also find the program id on the build tab in solana playground:
- 2,907
6
votes
Accepted
Can you modify a non-PDA account's data when you know its private key
I wonder if there is a way to modify the account's data without the program if you know its private key?
No. There are two concepts that are at play. Ownership and signing authority.
Only the owner …
- 2,907
1
vote
Solana: Delayed transfer
Yes, this is known to as Authority Delegation
"Account owners may delegate authority over some or all of their token balance using the Approve instruction. Delegated authorities may transfer or burn u …
- 2,907