carbon_system_program_decoder/instructions/
transfer.rs

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use carbon_core::{borsh, CarbonDeserialize};
#[derive(
    CarbonDeserialize, Debug, serde::Serialize, serde::Deserialize, PartialEq, Eq, Clone, Hash,
)]
#[carbon(discriminator = "0x02000000")]
pub struct Transfer {
    pub lamports: u64,
}

pub struct TransferAccounts {
    pub from: solana_sdk::pubkey::Pubkey,
    pub to: solana_sdk::pubkey::Pubkey,
}

impl carbon_core::deserialize::ArrangeAccounts for Transfer {
    type ArrangedAccounts = TransferAccounts;

fn arrange_accounts(
        accounts: Vec<solana_sdk::instruction::AccountMeta>,
    ) -> Option<Self::ArrangedAccounts> {
        let funding_account = accounts.get(0)?;
        let recipient_account = accounts.get(1)?;

        Some(TransferAccounts {
            from: funding_account.pubkey,
            to: recipient_account.pubkey,
        })
    }
}