Merge branch 'reteps-master'

* reteps-master: coin markets Update README.md save
miguelmota · Jan 18, 2018 · 934d608 · 934d608
2 parents 981920a + 4d1cb0f
commit 934d608
Show file tree

Hide file tree

Showing 4 changed files with 109 additions and 139 deletions.
diff --git a/README.md b/README.md
@@ -1,146 +1,23 @@
 # go-coinmarketcap
 
-# coinmarketcap
---
-    import "github.com/miguelmota/go-coinmarketcap"
+> [CoinMarketCap](https://coinmarketcap.com/) client for Golang.
 
-Coin Market Cap API in golang
+[![License](http://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/miguelmota/go-coinmarketcap/master/LICENSE.md) [![Go Report Card](https://goreportcard.com/badge/github.com/miguelmota/go-coinmarketcap?)](https://goreportcard.com/report/github.com/miguelmota/go-coinmarketcap) [![GoDoc](https://godoc.org/github.com/miguelmota/go-coinmarketcap?status.svg)](https://godoc.org/github.com/miguelmota/go-coinmarketcap)
 
-## Usage
+## Documentation
 
-#### func  GetAllCoinData
+[https://godoc.org/github.com/miguelmota/go-coinmarketcap](https://godoc.org/github.com/miguelmota/go-coinmarketcap)
 
-```go
-func GetAllCoinData(limit int) (map[string]Coin, error)
-```
-Get information about all coins listed in Coin Market Cap.
-
-#### type Coin
-
-```go
-type Coin struct {
-        ID               string  `json:"id"`
-        Name             string  `json:"name"`
-        Symbol           string  `json:"symbol"`
-        Rank             int     `json:"rank,string"`
-        PriceUsd         float64 `json:"price_usd,string"`
-        PriceBtc         float64 `json:"price_btc,string"`
-        Usd24hVolume     float64 `json:"24h_volume_usd,string"`
-        MarketCapUsd     float64 `json:"market_cap_usd,string"`
-        AvailableSupply  float64 `json:"available_supply,string"`
-        TotalSupply      float64 `json:"total_supply,string"`
-        PercentChange1h  float64 `json:"percent_change_1h,string"`
-        PercentChange24h float64 `json:"percent_change_24h,string"`
-        PercentChange7d  float64 `json:"percent_change_7d,string"`
-        LastUpdated      string  `json:"last_updated"`
-}
-```
+## Install
 
-Coin struct
-
-#### func  GetCoinData
-
-```go
-func GetCoinData(coin string) (Coin, error)
+```bash
+go get -u github.com/miguelmota/go-coinmarketcap
 ```
-Get information about a crypto currency.
 
-#### type CoinGraph
-
-```go
-type CoinGraph struct {
-        MarketCapByAvailableAupply [][]float64 `json:"market_cap_by_available_supply"`
-        PriceBtc                   [][]float64 `json:"price_btc"`
-        PriceUsd                   [][]float64 `json:"price_usd"`
-        VolumeUsd                  [][]float64 `json:"volume_usd"`
-}
-```
-
-CoinGraph struct
-
-#### func  GetCoinGraphData
-
-```go
-func GetCoinGraphData(coin string, start int64, end int64) (CoinGraph, error)
-```
-Get graph data points for a crypto currency.
-
-#### type GlobalMarketData
-
-```go
-type GlobalMarketData struct {
-        TotalMarketCapUsd            float64 `json:"total_market_cap_usd"`
-        Total24hVolumeUsd            float64 `json:"total_24h_volume_usd"`
-        BitcoinPercentageOfMarketCap float64 `json:"bitcoin_percentage_of_market_cap"`
-        ActiveCurrencies             int     `json:"active_currencies"`
-        ActiveAssets                 int     `json:"active_assets"`
-        ActiveMarkets                int     `json:"active_markets"`
-}
-```
+## Examples
 
-GlobalMarketData struct
-
-#### func  GetMarketData
-
-```go
-func GetMarketData() (GlobalMarketData, error)
-```
-
-# Examples
-
-```go
-package main
-
-import (
-	"fmt"
-	"log"
-	"time"
-
-	coinApi "github.com/miguelmota/go-coinmarketcap"
-)
-
-func main() {
-	// Get global market data
-	marketInfo, err := coinApi.GetMarketData()
-	if err != nil {
-		log.Println(err)
-	} else {
-		fmt.Println(marketInfo)
-	}
-
-	// Get info about coin
-	coinInfo, err := coinApi.GetCoinData("ethereum")
-	if err != nil {
-		log.Println(err)
-	} else {
-		fmt.Println(coinInfo)
-
-	}
-	// Get top 10 coins
-	top10, err := coinApi.GetAllCoinData(10)
-	if err != nil {
-		log.Println(err)
-	} else {
-		fmt.Println(top10)
-	}
-
-	var threeMonths int64 = (60 * 60 * 24 * 90)
-	now := time.Now()
-	secs := now.Unix()
-	start := secs - threeMonths
-	end := secs
-
-	// Get graph data for coin
-	coinGraphData, err := coinApi.GetCoinGraphData("ethereum", start, end)
-	if err != nil {
-		log.Println(err)
-	} else {
-		fmt.Println(coinGraphData)
-	}
-
-}
-```
+Check out the [`./example`](./example) folder.
 
-# License
+## License
 
-MIT
+MIT
diff --git a/coinmarketcap.go b/coinmarketcap.go
@@ -1,11 +1,15 @@
-// Coin Market Cap API in golang
+// Coin Market Cap API fo golang
 package coinmarketcap
 
 import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/anaskhan96/soup"
 )
 
 var (
@@ -14,7 +18,7 @@ var (
 	url      string
 )
 
-// Get information about the global market data of the cryptocurrencies.
+// GetMarketData get information about the global market data of the cryptocurrencies
 func GetMarketData() (GlobalMarketData, error) {
 	url = fmt.Sprintf(baseUrl + "/global/")
 
@@ -29,7 +33,7 @@ func GetMarketData() (GlobalMarketData, error) {
 	return data, nil
 }
 
-// Get information about a crypto currency.
+// GetCoinData get information about a crypto currency
 func GetCoinData(coin string) (Coin, error) {
 	url = fmt.Sprintf("%s/ticker/%s", baseUrl, coin)
 	resp, err := makeReq(url)
@@ -45,7 +49,7 @@ func GetCoinData(coin string) (Coin, error) {
 	return data[0], nil
 }
 
-// Get information about all coins listed in Coin Market Cap.
+// GetAllCoinData get information about all coins listed in Coin Market Cap
 func GetAllCoinData(limit int) (map[string]Coin, error) {
 	var l string
 	if limit >= 0 {
@@ -69,7 +73,7 @@ func GetAllCoinData(limit int) (map[string]Coin, error) {
 	return allCoins, nil
 }
 
-// Get graph data points for a crypto currency.
+// GetCoinGraphData get graph data points for a crypto currency
 func GetCoinGraphData(coin string, start int64, end int64) (CoinGraph, error) {
 	url = fmt.Sprintf("%s/%s/%d/%d", graphUrl, coin, start*1000, end*1000)
 	resp, err := makeReq(url)
@@ -85,6 +89,33 @@ func GetCoinGraphData(coin string, start int64, end int64) (CoinGraph, error) {
 	return data, nil
 }
 
+// CoinMarkets get market data for a coin name.
+func CoinMarkets(coin string) ([]Market, error) {
+	url := fmt.Sprintf("https://coinmarketcap.com/currencies/%s/#markets", coin)
+	var markets []Market
+	response, err := soup.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	rows := soup.HTMLParse(response).Find("table", "id", "markets-table").Find("tbody").FindAll("tr")
+	for _, row := range rows {
+		var data []string
+		for colNum, column := range row.FindAll("td") {
+			for _, link := range column.FindAll("a") {
+				data = append(data, strings.TrimSpace(link.Text()))
+			}
+			if colNum == 0 || colNum == 5 || colNum == 6 {
+				data = append(data, column.Text())
+			}
+			for _, span := range column.FindAll("span") {
+				data = append(data, strings.TrimSpace(span.Text()))
+			}
+		}
+		markets = append(markets, Market{Rank: toInt(data[0]), Exchange: data[1], Pair: data[2], Volume: toInt(data[3]), Price: toFloat(data[4]), PercentVolume: toFloat(data[5]), Updated: (data[6] == "Recently")})
+	}
+	return markets, nil
+}
+
 // HTTP Client
 func doReq(req *http.Request) ([]byte, error) {
 	client := &http.Client{}
@@ -117,3 +148,15 @@ func makeReq(url string) ([]byte, error) {
 
 	return resp, err
 }
+
+// helper Function for CoinMarkets
+func toInt(raw_int string) int {
+	parsed, _ := strconv.Atoi(strings.Replace(strings.Replace(raw_int, "$", "", -1), ",", "", -1))
+	return parsed
+}
+
+// helper Function for CoinMarkets
+func toFloat(raw_float string) float64 {
+	parsed, _ := strconv.ParseFloat(strings.Replace(strings.Replace(strings.Replace(raw_float, "$", "", -1), ",", "", -1), "%", "", -1), 64)
+	return parsed
+}
diff --git a/coinmarketcap_test.go b/coinmarketcap_test.go
@@ -0,0 +1,39 @@
+package coinmarketcap
+
+import "testing"
+
+func TestGetMarketData(t *testing.T) {
+
+}
+
+func TestGetCoinData(t *testing.T) {
+
+}
+
+func TestGetAllCoinData(t *testing.T) {
+
+}
+
+func TestGetCoinGraphData(t *testing.T) {
+
+}
+
+func TestCoinMarkets(t *testing.T) {
+
+}
+
+func TestDoReq(t *testing.T) {
+
+}
+
+func TestMakeReq(t *testing.T) {
+
+}
+
+func TestToInt(t *testing.T) {
+
+}
+
+func TestToFloat(t *testing.T) {
+
+}
diff --git a/types.go b/types.go
@@ -35,3 +35,14 @@ type CoinGraph struct {
 	PriceUsd                   [][]float64 `json:"price_usd"`
 	VolumeUsd                  [][]float64 `json:"volume_usd"`
 }
+
+//CoinMarkets struct
+type Market struct {
+	Rank          int
+	Exchange      string
+	Pair          string
+	Volume        int
+	Price         float64
+	PercentVolume float64
+	Updated       bool
+}