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