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Results tagged with anchor-lang
Search options answers only
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user 868
2
votes
Anchor test fails on Fedora
For Ubuntu users. I fixed it by installing the following lib.
Step 1:
wget http://nz2.archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2.16_amd64.deb
Step 2:
sudo dpkg -i libssl1. …
- 1,972
5
votes
What does `entrypoint` do in solana rust?
This line, entrypoint!(process_instruction);, tells the compiler to begin program execution as we don't have a main function here as we have in simple rust program for example:
fn main() {
printl …
- 1,972
1
vote
Accepted
Charge SOL Fee Before Minting NFT
This is what worked for me. First called the Transfer function from system_instruction::transfer() and then invoke it using invoke().
What I was doing wrong was that I was calling Transfer function fr …
- 1,972
1
vote
Accepted
Error Code: AccountDidNotSerialize. Error Number: 3004. Error Message: Failed to serialize t...
I increased the space that didn't worked initially. What worked for me is that after I increased the space (i.e space = 1024) and then deleted target folder, fetch new keys using anchor keys list, rep …
- 1,972
3
votes
how many Accounts i can create & how much max data that each Account can store in Anchor PDA...
The maximum size of any account is 10 megabytes. Each account address on your Solana program will take 32 bytes for the address. You can make as many as your solana program can handle. You can study m …
- 1,972
2
votes
Accepted
Stress Testing: 1000 Tranactions at the same Time
I think I need to look into the private RPC nodes such as Alchemy.
On Solana Offical Docs it is mentioned that public RPC has the following limitations:
Rate Limits#
Maximum number of requests per 10 …
- 1,972
3
votes
Accepted
Use any Random Function in anchor lang
Found a way that we can simply use timestamps for this.
let clock = Clock::get()?;
let clock = clock.unix_timestamp % 10; // any number between range 0-10
Just make sure the random number rang …
- 1,972
3
votes
Accepted
Error Code: AccountDidNotSerialize. Error Number: 3004. Error Message: Failed to serialize t...
I increased the space of my account and redeployed the programs with new keys.
#[account(
init,
payer = payer,
space = 82+36,
seeds = [b"my_custom_seed"],
bump)
]
pub ledger_account: A …
- 1,972