one_inch 0.1.1

Rusty API wrapper for the 1inch
Documentation 
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use crate::swap::approve::{AllowanceDetails, AllowanceResponse};
use crate::client::OneInchClient;
use crate::consts::{BASIC_URL, SWAP_API_VERSION};
use reqwest::Url;
use std::error::Error;

impl OneInchClient {
    /// Retrieves the current allowance for a token on the specified account.
    pub async fn get_allowance(
        &self,
        details: AllowanceDetails,
    ) -> Result<AllowanceResponse, Box<dyn Error>> {
        let url = format!(
            "{}/swap/{}/{}/approve/allowance",
            BASIC_URL,
            SWAP_API_VERSION,
            self.network_id
        );

        let url_with_params = Url::parse_with_params(
            &url,
            &[
                ("tokenAddress", details.token_address),
                ("walletAddress", details.wallet_address),
            ],
        )
        .map_err(|e| Box::new(e) as Box<dyn Error>)?;

        let request_result = self
            .http_client
            .get(url_with_params)
            .header("Authorization", &self.token)
            .send()
            .await;

        let response = request_result
            .map_err(|e| Box::new(e) as Box<dyn Error>)?
            .error_for_status()
            .map_err(|e| Box::new(e) as Box<dyn Error>)?;

        let allowance_response: AllowanceResponse = response
            .json()
            .await
            .map_err(|e| Box::new(e) as Box<dyn Error>)?;

        Ok(allowance_response)
    }
}