multiversx_sdk/gateway/
gateway_tx_cost.rs

1use crate::data::transaction::{ResponseTxCost, Transaction, TxCostResponseData};
2use anyhow::anyhow;
3
4use super::{GatewayRequest, GatewayRequestType, COST_TRANSACTION_ENDPOINT};
5
6/// Verifies the cost of a transaction.
7///
8/// Note: it is a POST request.
9pub struct GetTxCost<'a>(pub &'a Transaction);
10
11impl GatewayRequest for GetTxCost<'_> {
12    type Payload = Transaction;
13    type DecodedJson = ResponseTxCost;
14    type Result = TxCostResponseData;
15
16    fn request_type(&self) -> GatewayRequestType {
17        GatewayRequestType::Post
18    }
19
20    fn get_payload(&self) -> Option<&Self::Payload> {
21        Some(self.0)
22    }
23
24    fn get_endpoint(&self) -> String {
25        COST_TRANSACTION_ENDPOINT.to_owned()
26    }
27
28    fn process_json(&self, decoded: Self::DecodedJson) -> anyhow::Result<Self::Result> {
29        match decoded.data {
30            None => Err(anyhow!("{}", decoded.error)),
31            Some(b) => Ok(b),
32        }
33    }
34}