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use serde::{Deserialize, Serialize};
use solana_sdk::{
    account::Account,
    clock::Slot,
    commitment_config::CommitmentLevel,
    fee_calculator::FeeCalculator,
    hash::Hash,
    pubkey::Pubkey,
    signature::Signature,
    transaction::{self, Transaction, TransactionError},
};

#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct TransactionStatus {
    pub slot: Slot,
    pub confirmations: Option<usize>, // None = rooted
    pub err: Option<TransactionError>,
}

#[tarpc::service]
pub trait Banks {
    async fn send_transaction_with_context(transaction: Transaction);
    async fn get_fees_with_commitment_and_context(
        commitment: CommitmentLevel,
    ) -> (FeeCalculator, Hash, Slot);
    async fn get_transaction_status_with_context(signature: Signature)
        -> Option<TransactionStatus>;
    async fn get_slot_with_context(commitment: CommitmentLevel) -> Slot;
    async fn process_transaction_with_commitment_and_context(
        transaction: Transaction,
        commitment: CommitmentLevel,
    ) -> Option<transaction::Result<()>>;
    async fn get_account_with_commitment_and_context(
        address: Pubkey,
        commitment: CommitmentLevel,
    ) -> Option<Account>;
}

#[cfg(test)]
mod tests {
    use super::*;
    use tarpc::{client, transport};

    #[test]
    fn test_banks_client_new() {
        let (client_transport, _server_transport) = transport::channel::unbounded();
        BanksClient::new(client::Config::default(), client_transport);
    }
}