carbon-drift-v2-decoder 0.12.0

Drift v2 Decoder
Documentation 
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use carbon_core::{borsh, CarbonDeserialize};

#[derive(
    CarbonDeserialize, Debug, serde::Serialize, serde::Deserialize, PartialEq, Eq, Clone, Hash,
)]
#[carbon(discriminator = "0xc9b274d4a69048ee")]
pub struct UpdateFundingRate {
    pub market_index: u16,
}

pub struct UpdateFundingRateInstructionAccounts {
    pub state: solana_pubkey::Pubkey,
    pub perp_market: solana_pubkey::Pubkey,
    pub oracle: solana_pubkey::Pubkey,
}

impl carbon_core::deserialize::ArrangeAccounts for UpdateFundingRate {
    type ArrangedAccounts = UpdateFundingRateInstructionAccounts;

    fn arrange_accounts(
        accounts: &[solana_instruction::AccountMeta],
    ) -> Option<Self::ArrangedAccounts> {
        let [state, perp_market, oracle, _remaining @ ..] = accounts else {
            return None;
        };

        Some(UpdateFundingRateInstructionAccounts {
            state: state.pubkey,
            perp_market: perp_market.pubkey,
            oracle: oracle.pubkey,
        })
    }
}