fiat conversion for electrum SPV provider

providers/bitcoinElectrum/fiat.go

@@ -18,7 +18,7 @@ type coinGeckoResponse struct {
 	} `json:"market_data"`
 }
 
-func convertBTCToCAD(amount int, coinGeckoApiKey string) (int, error) {
+func convertBTCToCAD(amount int64, coinGeckoApiKey string) (int64, error) {
 	coinGeckoData := &coinGeckoResponse{}
 
 	req, err := http.NewRequest("GET", fmt.Sprintf("%s&x-cg-demo-api-key=%s", fiatConvertURL, coinGeckoApiKey), nil)
@@ -37,7 +37,7 @@ func convertBTCToCAD(amount int, coinGeckoApiKey string) (int, error) {
 		return 0, fmt.Errorf("failed to process response: %v", err)
 	}
 
-	return (amount * int(coinGeckoData.MarketData.CurrentPrice.CAD*1000)) / 100000000, nil // one BTC = one hundred million satoshi's
+	return (amount * int64(coinGeckoData.MarketData.CurrentPrice.CAD*1000)) / 100000000, nil // one BTC = one hundred million satoshi's
 }
 
 // processResponse takes the body of an HTTP response, and either returns

providers/bitcoinElectrum/providerImpl.go

@@ -58,5 +58,15 @@ func (p *Provider) GetBalances() ([]int, []string, error) {
 
 	wg.Wait()
 
-	return nil, nil, nil
+	cad, err := convertBTCToCAD(totalSats, p.coinGeckoApiKey)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to convert sats to CAD: %v", err)
+	}
+
+	balances := make([]int, 0)
+	accounts := make([]string, 0)
+	balances = append(balances, int(cad))
+	accounts = append(accounts, p.ynabAccountID)
+
+	return balances, accounts, nil
 }