ynab-portfolio-monitor/providers/bitcoin/fiat.go

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package bitcoin
import (
"fmt"
"net/http"
)
/* // CoinConvert BTC to CAD converter
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// example: https://api.coinconvert.net/convert/btc/cad?amount=1
const fiatConvertURL = "https://api.coinconvert.net/convert/btc/cad"
type FiatConversion struct {
Status string `json:"status"`
BTC int `json:"BTC"`
CAD float64 `json:"CAD"`
}
// BTC to CAD FIAT conversion - accepts an
// amount in satoshi's and returns a CAD amount * 1000
func (c *client) ConvertBTCToCAD(amount int) (int, error) {
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fiatConversion := &FiatConversion{}
req, err := http.NewRequest("GET", fiatConvertURL+"?amount=1", nil)
if err != nil {
return 0, fmt.Errorf("failed to create new GET request: %v", err)
}
res, err := c.httpClient.Do(req)
if err != nil {
return 0, fmt.Errorf("http GET request failed: %v", err)
}
err = c.processResponse(res, fiatConversion)
if err != nil {
return 0, fmt.Errorf("failed to process response: %v", err)
}
if fiatConversion.Status != "success" {
return 0, fmt.Errorf("fiat conversion status was '%s' but expected 'success'", fiatConversion.Status)
}
return (amount * int(fiatConversion.CAD*1000)) / 100000000, nil // one BTC = one hundred million satoshi's
}
*/
const fiatConvertURL = "https://api.coingecko.com/api/v3/coins/bitcoin?localization=false&tickers=false&market_data=true&community_data=false&developer_data=false&sparkline=false"
type FiatConversion struct {
MarketData struct {
CurrentPrice struct {
CAD int `json:"cad"`
} `json:"current_price"`
} `json:"market_data"`
}
func (c *client) ConvertBTCToCAD(amount int) (int, error) {
fiatConversion := &FiatConversion{}
req, err := http.NewRequest("GET", fiatConvertURL, nil)
if err != nil {
return 0, fmt.Errorf("failed to create new GET request: %v", err)
}
res, err := c.httpClient.Do(req)
if err != nil {
return 0, fmt.Errorf("http GET request failed: %v", err)
}
err = c.processResponse(res, fiatConversion)
if err != nil {
return 0, fmt.Errorf("failed to process response: %v", err)
}
return (amount * int(fiatConversion.MarketData.CurrentPrice.CAD*1000)) / 100000000, nil // one BTC = one hundred million satoshi's
}