working on integration from coingecko API

cake.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"math"
 	"net/http"
 	"runtime"
 	"strconv"
@@ -34,17 +35,15 @@ type rewards struct {
 	Swapped       map[time.Month]string
 }
 
-// Rewards needs a comment
+// CakeRewards needs a comment
-func Rewards(w http.ResponseWriter, r *http.Request) {
+func CakeRewards(w http.ResponseWriter, r *http.Request) {
 	type data struct {
 		Title             string
 		Uploaded          bool
 		Success           bool
 		Rewards           rewards
 		CumulativeRewards map[time.Month]string
-		Color             string
+		Colors            []string
-		ColorAlt          string
-		ColorAltAlt       string
 		Currency          string
 		ErrorText         string
 		Lending           bool
@@ -52,7 +51,7 @@ func Rewards(w http.ResponseWriter, r *http.Request) {
 
 	// set common attributes
 	d := data{
-		Title: "Monthly Rewards",
+		Title: "Pool by Cake Rewards",
 	}
 
 	// check the method used to access this site (GET/POST)
@@ -67,44 +66,70 @@ func Rewards(w http.ResponseWriter, r *http.Request) {
 	case http.MethodPost:
 		// upload the file that was posted here
 		var success bool = false
-		var e string
 
 		lines, err := uploadFile(w, r)
 		if err == nil {
 			success = true
 		} else {
-			e = err.Error()
+			// set ErrorText
+			d.ErrorText = err.Error()
 		}
 
 		// prepare data for usage
 		var color string
 		var currency string
+		var precision int
 		var rewards rewards
 		if success == true {
 			currency = lines[1].Cryptocurrency
-			color, _, d.Lending = getCurrencyOpts(currency)
+			color, precision, d.Lending = getCurrencyOpts(currency)
 			rewards = monthlyRewardOverview(lines)
-		}
+			d.CumulativeRewards = getCumulative(rewards, precision)
-
-		// prettify.Print(rewards)
-		d.Uploaded = true
 			d.Success = success
 			d.Rewards.Staking = rewards.Staking
 			d.Rewards.Confectionery = rewards.Confectionery
 			d.Rewards.Lapis = rewards.Lapis
 			d.Rewards.LapisDFI = rewards.LapisDFI
 			d.Rewards.Referral = rewards.Referral
-		d.Color = color
+			d.Rewards.Airdrop = rewards.Airdrop
-		d.ColorAlt = getOtherColors(color, 2)
+			d.Rewards.Swapped = rewards.Swapped
-		d.ColorAltAlt = getOtherColors(color, 4)
+			d.Colors = getOtherColors(color, 8)
 			d.Currency = currency
-		d.ErrorText = e
+		}
+		d.Uploaded = true
+
+		// prettify.Print(rewards)
 		render(w, "rewards.html", d)
 	}
 	// create a new line instance
 }
 
-func getOtherColors(color string, factor float64) string {
+func getCumulative(r rewards, precision int) map[time.Month]string {
+	// create map to calculate cumulative rewards
+	res := make(map[time.Month]string)
+
+	for i := 1; i < 13; i++ {
+		month := time.Month(i)
+		// parse all fields
+		airdrop, err := strconv.ParseFloat(r.Airdrop[month], 64)
+		confectionery, err := strconv.ParseFloat(r.Confectionery[month], 64)
+		lapis, err := strconv.ParseFloat(r.Lapis[month], 64)
+		lapisDFI, err := strconv.ParseFloat(r.LapisDFI[month], 64)
+		referral, err := strconv.ParseFloat(r.Referral[month], 64)
+		staking, err := strconv.ParseFloat(r.Staking[month], 64)
+		swapped, err := strconv.ParseFloat(r.Swapped[month], 64)
+
+		// add all fields up and format result as string
+		res[month] = strconv.FormatFloat(airdrop+confectionery+lapis+lapisDFI+referral+staking+swapped, 'g', precision, 64)
+		if err != nil {
+			panic(err)
+		}
+	}
+	// return result
+	return res
+}
+
+func getOtherColors(color string, n int) []string {
 	col, err := colorful.Hex(color)
 	if err != nil {
 		log.Fatal(err)
@@ -112,7 +137,12 @@ func getOtherColors(color string, factor float64) string {
 	// get r,g,b from color
 	r, g, b := col.LinearRgb()
 	// return color reduced in "brightness" by factor of f
-	return colorful.LinearRgb(r/factor, g/factor, b/factor).Hex()
+	var c []string
+	for i := 1; i < int(math.Pow(2, float64(n))); i *= 2 {
+		c = append(c, colorful.LinearRgb(r/float64(i), g/float64(i), b/float64(i)).Hex())
+	}
+
+	return c
 }
 
 func uploadFile(w http.ResponseWriter, r *http.Request) ([]line, error) {
@@ -219,6 +249,8 @@ func monthlyRewardOverview(lines []line) rewards {
 		LapisDFI:      fillSums(lapisDFI, precision),
 		Lapis:         fillSums(lapis, precision),
 		Referral:      fillSums(referral, precision),
+		Airdrop:       fillSums(airdrop, precision),
+		Swapped:       fillSums(swapped, precision),
 	}
 	return r
 }

coinGeckoAPI.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+)
+
+// CheckStatusCoinGecko needs a comment
+func CheckStatusCoinGecko() bool {
+	// needed answer for Coingecko API
+	type statusResponse struct {
+		GeckoSays string `json:"gecko_says"`
+	}
+
+	// see if API is available
+	url := "https://api.coingecko.com/api/v3/ping"
+	response, err := http.Get(url)
+	if err == nil {
+		// API is available, let's read the response
+		data, _ := ioutil.ReadAll(response.Body)
+		var status statusResponse
+		json.Unmarshal(data, &status)
+		if status.GeckoSays == "(V3) To the Moon!" {
+			// API is working as expected
+			return true
+		}
+	}
+	return false
+}
+
+func GetCoinInfo() {
+
+}

css/main.css

@@ -10,14 +10,14 @@ body {
 }
 
 h1 {
-  color: #17375e;
+  color: #29755b;
   margin-left: 20px;
   margin-top: 20px;
   margin-bottom: 10px
 }
 
 p {
-  color:#292929;
+  margin-top: 20px;
   margin-left: 20px;
   margin-bottom: 20px;
 }

go.mod

@@ -3,9 +3,10 @@ module git.nils.zone/nils/goCake
 go 1.15
 
 require (
+	git.nils.zone/nils/prettify v0.0.4
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/kr/pretty v0.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.0.3
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/stretchr/testify v1.6.1
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 )

main.go

@@ -3,32 +3,16 @@ package main
 import (
 	"html/template"
 	"net/http"
-	"os"
 )
 
 func main() {
-	// this code below makes a file server and serves everything as a file
-	// fs := http.FileServer(http.Dir(""))
-	// http.Handle("/", fs)
-
-	// serve everything in the css folder, the img folder and mp3 folder as a file
 	http.Handle("/css/", http.StripPrefix("/css/", http.FileServer(http.Dir("css"))))
 
 	// when navigating to /home it should serve the home page
 	http.HandleFunc("/", Home)
-	http.HandleFunc("/rewards", Rewards)
+	http.HandleFunc("/rewards", CakeRewards)
-	http.HandleFunc("/table", Rewards)
+	http.HandleFunc("/table", CakeRewards)
-	http.ListenAndServe(getPort(), nil)
+	http.ListenAndServe(":8080", nil)
-}
-
-// Detect $PORT and if present uses it for listen and serve else defaults to :8080
-// This is so that app can run on Heroku
-func getPort() string {
-	p := os.Getenv("PORT")
-	if p != "" {
-		return ":" + p
-	}
-	return ":8080"
 }
 
 func render(w http.ResponseWriter, tmpl string, data interface{}) {

templates/home.html

@@ -1,6 +1,5 @@
 {{template "header" .}}
 <div class="mainbody">
-  <p>Willkommen auf einer kleinen Testseite</p>
+  <p>If you want to support me you can use this referral <a href="https://pool.cakedefi.com/#/?ref=700671">link</a></p>
-  <p>Hier ist ja doch noch ein wenig was Platz...</p>
 </div>
 {{template "footer" .}}

templates/includes.html

@@ -22,7 +22,7 @@
     <li><a {{ if (eq .Title "Home") }}class="active"{{end}} href="/">Home</a></li>
     <!-- <li><a {{ if (eq .Title "Rewards") }}class="active"{{end}} href="rewards">Monthly Rewards</a></li> -->
     <!-- <li><a {{ if (eq .Title "Graphs") }}class="active"{{end}} href="graphs">Graphs</a></li> -->
-    <li><a {{ if (eq .Title "Monthly Rewards") }}class="active"{{end}} href="rewards">Monthly Rewards</a></li>
+    <li><a {{ if (eq .Title "Pool by Cake Rewards") }}class="active"{{end}} href="rewards">Pool by Cake Rewards</a></li>
     {{ end }}
   </ul>
 </nav>
@@ -51,7 +51,7 @@
     xAxis: {{ template "xAxis" . }}
     yAxis: [{}],
     series: [{{template "series" . }}],
-    color: ["{{.Color}}","{{.ColorAlt}}","{{.ColorAltAlt}}"],
+    color: [{{ range $color := .Colors }}"{{ $color }}",{{ end }}"gray"],
   };
   rewardChart.setOption(rewardOptions);
 </script>
@@ -70,6 +70,9 @@
 {"name":"Referral reward","type":"bar","stack":"stackA","waveAnimation":false,"data":[
 {{ range $month, $amount := .Rewards.Referral}}{"value": "{{ $amount }}" },{{ end }}
 ]},
+{"name":"Cumulative","type":"bar","stack":"stackB","waveAnimation":false,"data":[
+{{ range $month, $amount := .CumulativeRewards}}{"value": "{{ $amount }}" },{{ end }}
+]},
 {{else}}
 // Stakeable coins
 {"name":"Staking Rewards","type":"bar","stack":"stackA","waveAnimation":false,"data":[
@@ -81,6 +84,12 @@
 {"name":"Confectionery Lapis DFI Bonus","type":"bar","stack":"stackA","waveAnimation":false,"data":[
 {{ range $month, $amount := .Rewards.Confectionery}}{"value": "{{ $amount }}" },{{ end }}
 ]},
+{"name":"Airdrop","type":"bar","stack":"stackA","waveAnimation":false,"data":[
+{{ range $month, $amount := .Rewards.Airdrop}}{"value": "{{ $amount }}" },{{ end }}
+]},
+{"name":"Cumulative","type":"bar","stack":"stackB","waveAnimation":false,"data":[
+{{ range $month, $amount := .CumulativeRewards}}{"value": "{{ $amount }}" },{{ end }}
+]},
 {{end}}
 {{end}}
 

templates/rewards.html

@@ -4,21 +4,19 @@
   <!-- not successful -->
   <p>If you upload your CSV file from Cake here, we will display some graphs here</p>
   <div class="indent">
-    <p>
     <form enctype="multipart/form-data" action="/rewards" method="post">
       <input type="file" name="csvFile" />
       <input type="submit" value="upload" />
     </form>
-    </p>
   </div>
   {{if .Uploaded}}
   <!-- Uploaded but not successful -->
-  <div class="err">
   {{if ne .ErrorText ""}}
+  <div class="err">
     <p>{{.ErrorText}}</p>
-    {{end}}
   </div>
   {{end}}
+  {{end}}
   {{else}}
   <!-- successful -->
   {{template "barGraph" .}}