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Results tagged with anchor-lang
Search options answers only
not deleted
user 1843
6
votes
Accepted
Compile error on Anchor 0.27 when using anchor-spl
Just add mpl-token-metadata using "=1.9.0" within your Cargo.toml dependencies, E.G:
[dependencies]
anchor-lang = "0.27.0"
anchor-spl = { version = "0.27.0", features = ["metadata"] }
mpl-token-metada …
- 1,005
1
vote
How to fetch empty optional accounts in Anchor
Seems like using just "1" does the job:
// Javascript:
myProgram.account.myAccount.all([
{
memcmp: {
offset: 8,
bytes: "1",
},
},
])
- 1,005
0
votes
Accepted
Anchor build breaks when adding chrono package
Seems like there are two ways of retrieving Clock according Solana docs:
Passing SYSVAR_CLOCK_PUBKEY into an instruction
let clock = Clock::from_account_info(&sysvar_clock_pubkey)?;
let current_times …
- 1,005
2
votes
Accepted
Super slow deployments when using Solana CLI 16.x
Yesterday was released the Solana CLI version 16.10, it has fixed the deployment speed issues. Just update your Solana CLI by running:
solana-install update
Then this is what I did in my Anchor progr …
- 1,005
3
votes
Accepted
How to authenticate or validate wallets or NFTs when executing solana instructions
Manual implementations
A brief question that calls for an in-depth answer, I think this has been asked many times before:
How to get NFT's owner
How to validate NFT collection addresses
Using Sol Ce …
- 1,005
4
votes
Accepted
SOL transfer via CPI signed with PDA throws fails
For a system program transfer instruction, the funding account (the one sending the SOL) must sign the instruction, in your case it needs to be signed by the bank account. But since it's not a PDA th …
- 1,005