rate

1 files changed, 33 insertions, 0 deletions

diff --git a/example_test.go b/example_test.go
new file mode 100644
index 0000000..0af83e7
--- /dev/null
+++ b/example_test.go
@@ -0,0 +1,33 @@
+package exchange_test
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/bojanz/currency"
+
+	"git.samanthony.xyz/exchange"
+)
+
+var btcDef = currency.Definition{
+	"1000",
+	8,
+	"BTC",
+}
+
+func ExampleClient_Rate() {
+	key, _ := readFile(".key")
+	exc := exchange.NewClient(key, exchange.WithTTL(15*time.Minute))
+	cadPerBtc, _ := exc.Rate("BTC", "CAD")
+	currency.Register("BTC", btcDef)
+	btc, _ := currency.NewAmount("1.23", "BTC")
+	cad, _ := btc.Convert("CAD", cadPerBtc.String())
+	fmt.Printf("%v = %v\n", btc.Round(), cad.Round())
+}
+
+func readFile(path string) (string, error) {
+	buf, err := os.ReadFile(path)
+	return string(bytes.TrimSpace(buf)), err
+}