/
example_test.go
76 lines (62 loc) · 1.64 KB
/
example_test.go
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package coinutil
import (
"fmt"
"math"
"github.com/conseweb/coinutil"
)
func ExampleAmount() {
a := coinutil.Amount(0)
fmt.Println("Zero Satoshi:", a)
a = coinutil.Amount(1e8)
fmt.Println("100,000,000 Satoshis:", a)
a = coinutil.Amount(1e5)
fmt.Println("100,000 Satoshis:", a)
// Output:
// Zero Satoshi: 0 BTC
// 100,000,000 Satoshis: 1 BTC
// 100,000 Satoshis: 0.001 BTC
}
func ExampleNewAmount() {
amountOne, err := coinutil.NewAmount(1)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(amountOne) //Output 1
amountFraction, err := coinutil.NewAmount(0.01234567)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(amountFraction) //Output 2
amountZero, err := coinutil.NewAmount(0)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(amountZero) //Output 3
amountNaN, err := coinutil.NewAmount(math.NaN())
if err != nil {
fmt.Println(err)
return
}
fmt.Println(amountNaN) //Output 4
// Output: 1 BTC
// 0.01234567 BTC
// 0 BTC
// invalid bitcoin amount
}
func ExampleAmount_unitConversions() {
amount := coinutil.Amount(44433322211100)
fmt.Println("Satoshi to kBTC:", amount.Format(coinutil.AmountKiloBTC))
fmt.Println("Satoshi to BTC:", amount)
fmt.Println("Satoshi to MilliBTC:", amount.Format(coinutil.AmountMilliBTC))
fmt.Println("Satoshi to MicroBTC:", amount.Format(coinutil.AmountMicroBTC))
fmt.Println("Satoshi to Satoshi:", amount.Format(coinutil.AmountSatoshi))
// Output:
// Satoshi to kBTC: 444.333222111 kBTC
// Satoshi to BTC: 444333.222111 BTC
// Satoshi to MilliBTC: 444333222.111 mBTC
// Satoshi to MicroBTC: 444333222111 μBTC
// Satoshi to Satoshi: 44433322211100 Satoshi
}