kora-rpc 1.0.3

RPC server for Kora gasless relayer
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

use std::sync::Arc;
use utoipa::ToSchema;

use kora_lib::{
    error::KoraError,
    transaction::{
        decode_b64_transaction, estimate_transaction_fee as lib_estimate_transaction_fee,
    },
};

use serde::{Deserialize, Serialize};
use solana_client::nonblocking::rpc_client::RpcClient;

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct EstimateTransactionFeeRequest {
    pub transaction: String, // Base64 encoded serialized transaction
    pub fee_token: String,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct EstimateTransactionFeeResponse {
    pub fee_in_lamports: u64,
}

pub async fn estimate_transaction_fee(
    rpc_client: &Arc<RpcClient>,
    request: EstimateTransactionFeeRequest,
) -> Result<EstimateTransactionFeeResponse, KoraError> {
    let transaction = decode_b64_transaction(&request.transaction)?;
    let fee = lib_estimate_transaction_fee(rpc_client, &transaction).await?;

    Ok(EstimateTransactionFeeResponse { fee_in_lamports: fee })
}