arnaucube
/
balance-checker
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arnaucube 5 years ago
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  1. +2
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      .gitignore
  2. +21
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      README.md
  3. +27
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      config.go
  4. +8
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      go.mod
  5. +142
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      go.sum
  6. +102
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      main.go

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.gitignore
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config.yaml
balance-checker

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README.md
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# balance-checker
Just a very very simple small tool to get balances in different currencies.
- `config.yaml`
```yaml
currencies:
BTC: 1
XMR: 1
ETH: 1
ZEC: 1
```
- build
```
go build
```
- run
```
./balance-checker
```

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config.go
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package main
import (
"github.com/spf13/viper"
)
type Config struct {
Currencies map[string]float64
}
var C Config
func MustRead(configPath string) error {
viper.SetConfigType("yaml")
viper.SetConfigName("config")
viper.AddConfigPath(".")
viper.SetConfigFile(configPath)
if err := viper.ReadInConfig(); err != nil {
return err
}
err := viper.Unmarshal(&C)
if err != nil {
return err
}
return nil
}

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go.mod
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module balance-checker
go 1.12
require (
github.com/spf13/viper v1.5.0
github.com/urfave/cli v1.22.2
)

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go.sum
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github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
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golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

+ 102
- 0
main.go
View File

@ -0,0 +1,102 @@
package main
import (
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"strconv"
"strings"
)
type Currency struct {
Id int `json:"id"`
Name string `json:"name"`
Symbol string `json:"symbol"`
Quote struct {
USD struct {
Price float64 `json:"price"`
}
}
}
type Content struct {
Data []Currency
}
type Result struct {
Symbol string
Balance float64
USD float64
}
func main() {
var configPath string
flag.StringVar(&configPath, "config", "config.yaml", "Path to config.toml")
flag.Parse()
if err := MustRead(configPath); err != nil {
fmt.Println(err)
os.Exit(1)
}
currencies := getCurrencies()
results, total := calculateResults(currencies, C.Currencies)
printResults(results, total)
}
func printResults(results []Result, total float64) {
fmt.Println("Curr Balance USD")
for _, r := range results {
fmt.Println(r.Symbol + " " +
strconv.FormatFloat(r.Balance, 'f', 6, 64) + " " +
strconv.FormatFloat(r.USD, 'f', 6, 64))
}
fmt.Println("\ntotal USD:", total)
}
func calculateResults(currencies []Currency, configCurrencies map[string]float64) ([]Result, float64) {
var results []Result
var total float64
total = 0
for _, c := range currencies {
if configCurrencies[strings.ToLower(c.Symbol)] != 0 {
balance := configCurrencies[strings.ToLower(c.Symbol)]
price := c.Quote.USD.Price
result := Result{
Symbol: c.Symbol,
Balance: balance,
USD: balance * price,
}
results = append(results, result)
total = total + result.USD
}
}
return results, total
}
func getCurrencies() []Currency {
url := "https://web-api.coinmarketcap.com/v1/cryptocurrency/listings/latest?limit=35&start=1"
response, err := http.Get(url)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer response.Body.Close()
contents, err := ioutil.ReadAll(response.Body)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
var content Content
err = json.Unmarshal(contents, &content)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return content.Data
}

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