Add TradeFee and Withdraw to Savings API

src/api.rs

@@ -51,6 +51,8 @@ pub enum Sapi {
     AssetDetail,
     DepositAddress,
     SpotFuturesTransfer,
+    TradeFee,
+    Withdraw,
 }
 
 pub enum Futures {
@@ -128,6 +130,8 @@ impl From<API> for String {
                 Sapi::AssetDetail => "/sapi/v1/asset/assetDetail",
                 Sapi::DepositAddress => "/sapi/v1/capital/deposit/address",
                 Sapi::SpotFuturesTransfer => "/sapi/v1/futures/transfer",
+                Sapi::TradeFee => "/sapi/v1/asset/tradeFee",
+                Sapi::Withdraw => "/sapi/v1/capital/withdraw/apply",
             },
             API::Futures(route) => match route {
                 Futures::Ping => "/fapi/v1/ping",

src/model.rs

@@ -1327,6 +1327,23 @@ pub struct DepositAddress {
     pub url: String,
 }
 
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct WithdrawResponse {
+    pub msg: String,
+    pub success: bool,
+    pub id: String,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct TradeFee {
+    pub symbol: String,
+    #[serde(with = "string_or_float")]
+    pub maker_commission: f64,
+    #[serde(with = "string_or_float")]
+    pub taker_commission: f64,
+}
+
 pub(crate) mod string_or_float {
     use std::fmt;
 

src/savings.rs

@@ -1,5 +1,8 @@
 use crate::util::build_signed_request;
-use crate::model::{AssetDetail, CoinInfo, DepositAddress, SpotFuturesTransferType, TransactionId};
+use crate::model::{
+    AssetDetail, CoinInfo, DepositAddress, SpotFuturesTransferType, TradeFee, TransactionId,
+    WithdrawResponse,
+};
 use crate::client::Client;
 use crate::errors::Result;
 use std::collections::BTreeMap;
@@ -31,6 +34,17 @@ impl Savings {
             .get_signed(API::Savings(Sapi::AssetDetail), Some(request))
     }
 
+    /// Maker and Taker trade fees for an asset pair
+    pub fn get_trade_fee(&self, symbol: Option<String>) -> Result<Vec<TradeFee>> {
+        let mut parameters: BTreeMap<String, String> = BTreeMap::new();
+        if let Some(symbol) = symbol {
+            parameters.insert("symbol".into(), symbol);
+        }
+        let request = build_signed_request(parameters, self.recv_window)?;
+        self.client
+            .get_signed(API::Savings(Sapi::TradeFee), Some(request))
+    }
+
     /// Fetch deposit address with network.
     ///
     /// You can get the available networks using `get_all_coins`.
@@ -63,4 +77,23 @@ impl Savings {
         self.client
             .post_signed(API::Savings(Sapi::SpotFuturesTransfer), request)
     }
+
+    // Withdraw currency
+    pub fn withdraw_currency<S>(
+        &self, asset: S, address: S, address_tag: Option<u64>, amount: f64,
+    ) -> Result<WithdrawResponse>
+    where
+        S: Into<String>,
+    {
+        let mut parameters = BTreeMap::new();
+        parameters.insert("asset".into(), asset.into());
+        parameters.insert("address".into(), address.into());
+        if let Some(address_tag) = address_tag {
+            parameters.insert("addressTag".into(), address_tag.to_string());
+        }
+        parameters.insert("amount".into(), amount.to_string());
+        let request = build_signed_request(parameters, self.recv_window)?;
+        self.client
+            .get_signed(API::Savings(Sapi::Withdraw), Some(request))
+    }
 }