carbon_token_program_decoder/instructions/
approve.rs

1use carbon_core::{borsh, CarbonDeserialize};
2#[derive(
3    CarbonDeserialize, Debug, serde::Serialize, serde::Deserialize, PartialEq, Eq, Clone, Hash,
4)]
5#[carbon(discriminator = "0x04")]
6pub struct Approve {
7    pub amount: u64,
8}
9
10pub struct ApproveAccounts {
11    pub source: solana_pubkey::Pubkey,
12    pub delegate: solana_pubkey::Pubkey,
13    pub owner: solana_pubkey::Pubkey,
14    pub remaining_accounts: Vec<solana_instruction::AccountMeta>,
15}
16
17impl carbon_core::deserialize::ArrangeAccounts for Approve {
18    type ArrangedAccounts = ApproveAccounts;
19
20    fn arrange_accounts(
21        accounts: &[solana_instruction::AccountMeta],
22    ) -> Option<Self::ArrangedAccounts> {
23        let [source, delegate, owner, remaining_accounts @ ..] = accounts else {
24            return None;
25        };
26
27        Some(ApproveAccounts {
28            source: source.pubkey,
29            delegate: delegate.pubkey,
30            owner: owner.pubkey,
31            remaining_accounts: remaining_accounts.to_vec(),
32        })
33    }
34}