78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
// Copyright (c) 2014-2015 Conformal Systems LLC.
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package txscript_test
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import (
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"encoding/hex"
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"fmt"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcd/txscript"
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"github.com/btcsuite/btcutil"
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)
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// This example demonstrates creating a script which pays to a bitcoin address.
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// It also prints the created script hex and uses the DisasmString function to
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// display the disassembled script.
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func ExamplePayToAddrScript() {
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// Parse the address to send the coins to into a btcutil.Address
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// which is useful to ensure the accuracy of the address and determine
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// the address type. It is also required for the upcoming call to
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// PayToAddrScript.
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addressStr := "12gpXQVcCL2qhTNQgyLVdCFG2Qs2px98nV"
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address, err := btcutil.DecodeAddress(addressStr, &chaincfg.MainNetParams)
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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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// Create a public key script that pays to the address.
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script, err := txscript.PayToAddrScript(address)
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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.Printf("Script Hex: %x\n", script)
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disasm, err := txscript.DisasmString(script)
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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("Script Disassembly:", disasm)
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// Output:
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// Script Hex: 76a914128004ff2fcaf13b2b91eb654b1dc2b674f7ec6188ac
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// Script Disassembly: OP_DUP OP_HASH160 128004ff2fcaf13b2b91eb654b1dc2b674f7ec61 OP_EQUALVERIFY OP_CHECKSIG
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}
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// This example demonstrates extracting information from a standard public key
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// script.
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func ExampleExtractPkScriptAddrs() {
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// Start with a standard pay-to-pubkey-hash script.
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scriptHex := "76a914128004ff2fcaf13b2b91eb654b1dc2b674f7ec6188ac"
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script, err := hex.DecodeString(scriptHex)
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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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// Extract and print details from the script.
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scriptClass, addresses, reqSigs, err := txscript.ExtractPkScriptAddrs(
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script, &chaincfg.MainNetParams)
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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("Script Class:", scriptClass)
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fmt.Println("Addresses:", addresses)
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fmt.Println("Required Signatures:", reqSigs)
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// Output:
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// Script Class: pubkeyhash
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// Addresses: [12gpXQVcCL2qhTNQgyLVdCFG2Qs2px98nV]
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// Required Signatures: 1
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}
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