anya-core 1.2.0

use std::error::Error;
#[derive(BitcoinProtocol)]
pub struct OpenBankingEngine {
    #[psbt_required]
    fiat_gateway: Arc<dyn FiatGateway>,
    #[taproot_commitment]
    compliance_engine: ComplianceManager,
    #[oracle_service]
    fx_oracle: Arc<FxRateOracle>,
}

impl OpenBankingEngine {
    /// Secure fiat on-ramp with SCA compliance
    #[open_banking]
    pub fn deposit_fiat(&self, amount: f64, currency: Currency) -> Result<FiatDepositProof> {
        let tx_proof = self.fiat_gateway.initiate_deposit(amount, currency)?;
        let compliance_check = self.compliance_engine.verify_deposit(&tx_proof)?;
        let blockchain_proof = self.create_taproot_commitment(&tx_proof)?;
        
        Ok(FiatDepositProof {
            fiat_tx: tx_proof,
            compliance: compliance_check,
            blockchain_commitment: blockchain_proof
        })
    }
}