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doc.go
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doc.go
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// Copyright (c) 2013-2016 The btcsuite developers
// Copyright (c) 2015-2022 The Decred developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
// Package chaincfg defines chain configuration parameters.
//
// In addition to the main Decred network, which is intended for the transfer
// of monetary value, there also exists two currently active standard networks:
// regression test and testnet (version 0). These networks are incompatible
// with each other (each sharing a different genesis block) and software should
// handle errors where input intended for one network is used on an application
// instance running on a different network.
//
// For main packages, a (typically global) var may be assigned the address of
// one of the standard Param vars for use as the application's "active" network.
// When a network parameter is needed, it may then be looked up through this
// variable (either directly, or hidden in a library call).
//
// package main
//
// import (
// "flag"
// "fmt"
// "log"
//
// "github.com/decred/dcrd/chaincfg/v3"
// "github.com/decred/dcrd/txscript/v4/stdaddr"
// )
//
// func main() {
// var testnet = flag.Bool("testnet", false, "operate on the test network")
// flag.Parse()
//
// // By default (without -testnet), use mainnet.
// var chainParams = chaincfg.MainNetParams()
//
// // Modify active network parameters if operating on testnet.
// if *testnet {
// chainParams = chaincfg.TestNet3Params()
// }
//
// // later...
//
// // Create and print new payment address, specific to the active network.
// pubKeyHash := make([]byte, 20)
// addr, err := stdaddr.NewAddressPubKeyHashEcdsaSecp256k1V0(pubKeyHash,
// chainParams)
// if err != nil {
// log.Fatal(err)
// }
// fmt.Println(addr)
// }
//
// If an application does not use one of the standard Decred networks, a new
// Params struct may be created which defines the parameters for the
// non-standard network. As a general rule of thumb, all network parameters
// should be unique to the network, but parameter collisions can still occur.
package chaincfg