light_token_client/actions/
transfer.rs

1//! Transfer actions for Light Token.
2//!
3//! These actions provide clean interfaces for transferring Light Tokens.
4
5use light_client::rpc::{Rpc, RpcError};
6use light_token::instruction::Transfer as TransferInstruction;
7use solana_keypair::Keypair;
8use solana_pubkey::Pubkey;
9use solana_signature::Signature;
10use solana_signer::Signer;
11
12/// Parameters for transferring Light Tokens between accounts.
13///
14/// # Example
15/// ```ignore
16/// Transfer {
17///     source,
18///     destination,
19///     amount: 1000,
20///     ..Default::default()
21/// }.execute(&mut rpc, &payer, &authority).await?;
22/// ```
23#[derive(Default, Clone, Debug)]
24pub struct Transfer {
25    /// Source token account.
26    pub source: Pubkey,
27    /// Destination token account.
28    pub destination: Pubkey,
29    /// Amount of tokens to transfer.
30    pub amount: u64,
31}
32
33impl Transfer {
34    /// Execute the transfer action via RPC.
35    ///
36    /// # Arguments
37    /// * `rpc` - RPC client
38    /// * `payer` - Transaction fee payer keypair (also pays for rent top-ups)
39    /// * `authority` - Authority that can spend from the source account
40    ///
41    /// # Returns
42    /// `Result<Signature, RpcError>` - The transaction signature
43    pub async fn execute<R: Rpc>(
44        self,
45        rpc: &mut R,
46        payer: &Keypair,
47        authority: &Keypair,
48    ) -> Result<Signature, RpcError> {
49        // Only set fee_payer if payer differs from authority
50        let fee_payer = if payer.pubkey() != authority.pubkey() {
51            Some(payer.pubkey())
52        } else {
53            None
54        };
55
56        let ix = TransferInstruction {
57            source: self.source,
58            destination: self.destination,
59            amount: self.amount,
60            authority: authority.pubkey(),
61            max_top_up: None,
62            fee_payer,
63        }
64        .instruction()
65        .map_err(|e| RpcError::CustomError(format!("Failed to create instruction: {}", e)))?;
66
67        let mut signers = vec![payer];
68        if authority.pubkey() != payer.pubkey() {
69            signers.push(authority);
70        }
71
72        rpc.create_and_send_transaction(&[ix], &payer.pubkey(), &signers)
73            .await
74    }
75}
light_token_client/actions/transfer.rs

light_token_client/actions/
transfer.rs
