40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
#![deny(missing_docs)]
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//! A program that accepts a string of encoded characters and verifies that it parses,
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//! while verifying and logging signers. Currently handles UTF-8 characters.
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mod entrypoint;
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pub mod processor;
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// Export current sdk types for downstream users building with a different sdk version
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pub use solana_program;
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use solana_program::{
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instruction::{AccountMeta, Instruction},
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pubkey::Pubkey,
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};
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/// Legacy symbols from Memo v1
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pub mod v1 {
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solana_program::declare_id!("Memo1UhkJRfHyvLMcVucJwxXeuD728EqVDDwQDxFMNo");
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}
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solana_program::declare_id!("MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr");
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/// Build a memo instruction, possibly signed
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///
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/// Accounts expected by this instruction:
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///
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/// 0. ..0+N. `[signer]` Expected signers; if zero provided, instruction will be processed as a
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/// normal, unsigned spl-memo
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///
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pub fn build_memo(memo: &[u8], signer_pubkeys: &[&Pubkey]) -> Instruction {
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Instruction {
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program_id: id(),
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accounts: signer_pubkeys
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.iter()
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.map(|&pubkey| AccountMeta::new_readonly(*pubkey, true))
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.collect(),
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data: memo.to_vec(),
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}
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}
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