ynab-portfolio-monitor/bitcoin/fiat.go
Steven Polley 7284545571
All checks were successful
continuous-integration/drone/push Build is passing
abstract providers behind a common interface
2023-11-12 21:40:00 -07:00

42 lines
1.1 KiB
Go

package bitcoin
import (
"fmt"
"net/http"
)
// 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) {
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
}