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c65d9aa168
* [DEV-97] Moved github.com/daglabs/btcutil into github.com/daglabs/btcd/btcutil. * [DEV-97] Updated Gopkg.toml to no longer refer to btcutil. * [DEV-97] Renamed btcutil to util.
77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
package util_test
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import (
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"fmt"
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"math"
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"github.com/daglabs/btcd/util"
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)
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func ExampleAmount() {
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a := util.Amount(0)
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fmt.Println("Zero Satoshi:", a)
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a = util.Amount(1e8)
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fmt.Println("100,000,000 Satoshis:", a)
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a = util.Amount(1e5)
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fmt.Println("100,000 Satoshis:", a)
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// Output:
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// Zero Satoshi: 0 BTC
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// 100,000,000 Satoshis: 1 BTC
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// 100,000 Satoshis: 0.001 BTC
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}
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func ExampleNewAmount() {
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amountOne, err := util.NewAmount(1)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(amountOne) //Output 1
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amountFraction, err := util.NewAmount(0.01234567)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(amountFraction) //Output 2
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amountZero, err := util.NewAmount(0)
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(amountZero) //Output 3
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amountNaN, err := util.NewAmount(math.NaN())
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if err != nil {
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fmt.Println(err)
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return
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}
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fmt.Println(amountNaN) //Output 4
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// Output: 1 BTC
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// 0.01234567 BTC
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// 0 BTC
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// invalid bitcoin amount
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}
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func ExampleAmount_unitConversions() {
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amount := util.Amount(44433322211100)
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fmt.Println("Satoshi to kBTC:", amount.Format(util.AmountKiloBTC))
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fmt.Println("Satoshi to BTC:", amount)
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fmt.Println("Satoshi to MilliBTC:", amount.Format(util.AmountMilliBTC))
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fmt.Println("Satoshi to MicroBTC:", amount.Format(util.AmountMicroBTC))
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fmt.Println("Satoshi to Satoshi:", amount.Format(util.AmountSatoshi))
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// Output:
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// Satoshi to kBTC: 444.333222111 kBTC
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// Satoshi to BTC: 444333.222111 BTC
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// Satoshi to MilliBTC: 444333222.111 mBTC
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// Satoshi to MicroBTC: 444333222111 μBTC
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// Satoshi to Satoshi: 44433322211100 Satoshi
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}
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