add trading agreement

src/coinnect.rs

@@ -1,17 +1,16 @@
 //! Use this module to create a generic API.
 
-
-#![allow(new_ret_no_self)]
+#![allow(clippy::new_ret_no_self)]
 
 use std::path::PathBuf;
 
-use exchange::{Exchange, ExchangeApi};
 use bitstamp::{BitstampApi, BitstampCreds};
-use kraken::{KrakenApi, KrakenCreds};
-use poloniex::{PoloniexApi, PoloniexCreds};
 use bittrex::{BittrexApi, BittrexCreds};
-use gdax::{GdaxApi, GdaxCreds};
 use error::*;
+use exchange::{Exchange, ExchangeApi};
+use gdax::{GdaxApi, GdaxCreds};
+use kraken::{KrakenApi, KrakenCreds};
+use poloniex::{PoloniexApi, PoloniexCreds};
 
 pub trait Credentials {
     /// Get an element from the credentials.
@@ -27,7 +26,7 @@ pub struct Coinnect;
 
 impl Coinnect {
     /// Create a new CoinnectApi by providing an API key & API secret
-    pub fn new<C: Credentials>(exchange: Exchange, creds: C) -> Result<Box<ExchangeApi>> {
+    pub fn new<C: Credentials>(exchange: Exchange, creds: C) -> Result<Box<dyn ExchangeApi>> {
         match exchange {
             Exchange::Bitstamp => Ok(Box::new(BitstampApi::new(creds)?)),
             Exchange::Kraken => Ok(Box::new(KrakenApi::new(creds)?)),
@@ -42,26 +41,27 @@ impl Coinnect {
     ///
     /// For this example, you could use load your Bitstamp account with
     /// `new_from_file(Exchange::Bitstamp, "account_bitstamp", Path::new("/keys.json"))`
-    pub fn new_from_file(exchange: Exchange,
-                         name: &str,
-                         path: PathBuf)
-                         -> Result<Box<ExchangeApi>> {
+    pub fn new_from_file(
+        exchange: Exchange,
+        name: &str,
+        path: PathBuf,
+    ) -> Result<Box<dyn ExchangeApi>> {
         match exchange {
-            Exchange::Bitstamp => {
-                Ok(Box::new(BitstampApi::new(BitstampCreds::new_from_file(name, path)?)?))
-            }
-            Exchange::Kraken => {
-                Ok(Box::new(KrakenApi::new(KrakenCreds::new_from_file(name, path)?)?))
-            }
-            Exchange::Poloniex => {
-                Ok(Box::new(PoloniexApi::new(PoloniexCreds::new_from_file(name, path)?)?))
-            }
-            Exchange::Bittrex => {
-                Ok(Box::new(BittrexApi::new(BittrexCreds::new_from_file(name, path)?)?))
-            }
-            Exchange::Gdax => {
-                Ok(Box::new(GdaxApi::new(GdaxCreds::new_from_file(name, path)?)?))
-            }
+            Exchange::Bitstamp => Ok(Box::new(BitstampApi::new(BitstampCreds::new_from_file(
+                name, path,
+            )?)?)),
+            Exchange::Kraken => Ok(Box::new(KrakenApi::new(KrakenCreds::new_from_file(
+                name, path,
+            )?)?)),
+            Exchange::Poloniex => Ok(Box::new(PoloniexApi::new(PoloniexCreds::new_from_file(
+                name, path,
+            )?)?)),
+            Exchange::Bittrex => Ok(Box::new(BittrexApi::new(BittrexCreds::new_from_file(
+                name, path,
+            )?)?)),
+            Exchange::Gdax => Ok(Box::new(GdaxApi::new(GdaxCreds::new_from_file(
+                name, path,
+            )?)?)),
         }
     }
 }