github.com/aychain/blockbook@v0.1.1-0.20181121092459-6d1fc7e07c5b/bchain/coins/litecoin/litecoinparser.go (about)

     1  package litecoin
     2  
     3  import (
     4  	"blockbook/bchain/coins/btc"
     5  
     6  	"github.com/btcsuite/btcd/wire"
     7  	"github.com/jakm/btcutil/chaincfg"
     8  )
     9  
    10  const (
    11  	MainnetMagic wire.BitcoinNet = 0xdbb6c0fb
    12  	TestnetMagic wire.BitcoinNet = 0xf1c8d2fd
    13  	RegtestMagic wire.BitcoinNet = 0xdab5bffa
    14  )
    15  
    16  var (
    17  	MainNetParams chaincfg.Params
    18  	TestNetParams chaincfg.Params
    19  )
    20  
    21  func init() {
    22  	MainNetParams = chaincfg.MainNetParams
    23  	MainNetParams.Net = MainnetMagic
    24  	MainNetParams.PubKeyHashAddrID = []byte{48}
    25  	MainNetParams.ScriptHashAddrID = []byte{50}
    26  	MainNetParams.Bech32HRPSegwit = "ltc"
    27  
    28  	TestNetParams = chaincfg.TestNet3Params
    29  	TestNetParams.Net = TestnetMagic
    30  	TestNetParams.PubKeyHashAddrID = []byte{111}
    31  	TestNetParams.ScriptHashAddrID = []byte{58}
    32  	TestNetParams.Bech32HRPSegwit = "tltc"
    33  }
    34  
    35  // LitecoinParser handle
    36  type LitecoinParser struct {
    37  	*btc.BitcoinParser
    38  }
    39  
    40  // NewLitecoinParser returns new LitecoinParser instance
    41  func NewLitecoinParser(params *chaincfg.Params, c *btc.Configuration) *LitecoinParser {
    42  	return &LitecoinParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
    43  }
    44  
    45  // GetChainParams contains network parameters for the main Litecoin network,
    46  // and the test Litecoin network
    47  func GetChainParams(chain string) *chaincfg.Params {
    48  	// register bitcoin parameters in addition to litecoin parameters
    49  	// litecoin has dual standard of addresses and we want to be able to
    50  	// parse both standards
    51  	if !chaincfg.IsRegistered(&chaincfg.MainNetParams) {
    52  		chaincfg.RegisterBitcoinParams()
    53  	}
    54  	if !chaincfg.IsRegistered(&MainNetParams) {
    55  		err := chaincfg.Register(&MainNetParams)
    56  		if err == nil {
    57  			err = chaincfg.Register(&TestNetParams)
    58  		}
    59  		if err != nil {
    60  			panic(err)
    61  		}
    62  	}
    63  	switch chain {
    64  	case "test":
    65  		return &TestNetParams
    66  	default:
    67  		return &MainNetParams
    68  	}
    69  }