cryptocompare 0.1.0

An rust API-Wrapper for the CryptoCompare API.
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145


#![feature(try_trait)]

extern crate reqwest;
extern crate serde_json;
extern crate time;

use serde_json::Value;
use std::io::Read;

static BASE_URL: &str = "https://min-api.cryptocompare.com/data/";

pub struct Options<'a> {
    pub exchanges: &'a str,
    pub try_conversion: bool
}

#[derive(Debug)]
pub struct Dataset {
    pub close: f64,
    pub high: f64,
    pub low: f64,
    pub open: f64,
    pub time: i64,
    pub volumefrom: f64,
    pub volumeto: f64
}

pub fn get_coin_list() -> Result<serde_json::Value, Box<::std::error::Error>> {
    let url = format!("{}all/coinlist", BASE_URL);

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_price(fsym: &str, tsyms: &str, options: &Options) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}price?fsym={}&tsyms={}", BASE_URL, fsym, tsyms);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_price_multi(fsyms: &str, tsyms: &str, options: &Options) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}pricemulti?fsyms={}&tsyms={}", BASE_URL, fsyms, tsyms);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_price_multi_full(fsyms: &str, tsyms: &str, options: &Options) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}pricemultifull?fsyms={}&tsyms={}", BASE_URL, fsyms, tsyms);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_price_historical(fsym: &str, tsyms: &str, options: &Options) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}pricehistorical?fsym={}&tsyms={}&ts={}", BASE_URL, fsym, tsyms, time::get_time().sec);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_history_day(fsym: &str, tsym: &str, options: &Options, limit: &u64) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}histoday?fsym={}&tsym={}&limit={}&aggregate=1", BASE_URL, fsym, tsym, limit);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_history_hour(fsym: &str, tsym: &str, options: &Options, limit: &u64) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}histohour?fsym={}&tsym={}&limit={}&aggregate=1", BASE_URL, fsym, tsym, limit);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn get_history_minute(fsym: &str, tsym: &str, options: &Options, limit: &u64) -> Result<serde_json::Value, Box<::std::error::Error>> {
    let mut url = format!("{}histominute?fsym={}&tsym={}&limit={}&aggregate=1", BASE_URL, fsym, tsym, limit);
    if options.exchanges != "" { url = format!("{}&e={}", url, options.exchanges); }
    if !options.try_conversion { url = format!("{}&tryConversion={}", url, options.try_conversion); }

    let mut result = String::new();
    reqwest::get(&url)?.read_to_string(&mut result)?;
    let value: Value = serde_json::from_str(&mut result)?;

    Ok(value)
}

pub fn parse_json_to_vector(object: Value) -> Result<Vec<Dataset>, Box<::std::option::NoneError>> {
    let mut vector: Vec<Dataset> = Vec::new();
    let array = object.as_object()?["Data"].as_array()?;

    for entry in array {
        let elem = entry.as_object()?;
        vector.push(Dataset {
            close: elem["close"].as_f64()?,
            high: elem["high"].as_f64()?,
            low: elem["low"].as_f64()?,
            open: elem["open"].as_f64()?,
            time: elem["time"].as_i64()?,
            volumefrom: elem["volumefrom"].as_f64()?,
            volumeto: elem["volumeto"].as_f64()?
        })
    }
    Ok(vector)
}

pub fn parse_json_to_float(object: Value, key: &str) -> Result<f64, Box<::std::option::NoneError>> {
    let value = object.as_object()?[key].as_f64()?;
    Ok(value)
}