github.com/trezor/blockbook@v0.4.1-0.20240328132726-e9a08582ee2c/bchain/coins/grs/grsparser.go (about)

     1  package grs
     2  
     3  import (
     4  	"github.com/martinboehm/btcd/wire"
     5  	"github.com/martinboehm/btcutil/base58"
     6  	"github.com/martinboehm/btcutil/chaincfg"
     7  	"github.com/trezor/blockbook/bchain"
     8  	"github.com/trezor/blockbook/bchain/coins/btc"
     9  )
    10  
    11  // magic numbers
    12  const (
    13  	MainnetMagic wire.BitcoinNet = 0xd4b4bef9
    14  	TestnetMagic wire.BitcoinNet = 0x0709110b
    15  	RegtestMagic wire.BitcoinNet = 0xdab5bffa
    16  	SignetMagic  wire.BitcoinNet = 0x7696b422
    17  )
    18  
    19  // chain parameters
    20  var (
    21  	MainNetParams chaincfg.Params
    22  	TestNetParams chaincfg.Params
    23  	RegTestParams chaincfg.Params
    24  	SigNetParams  chaincfg.Params
    25  )
    26  
    27  func init() {
    28  	MainNetParams = chaincfg.MainNetParams
    29  	MainNetParams.Net = MainnetMagic
    30  
    31  	// Address encoding magics
    32  	MainNetParams.PubKeyHashAddrID = []byte{36}
    33  	MainNetParams.ScriptHashAddrID = []byte{5}
    34  	MainNetParams.Bech32HRPSegwit = "grs"
    35  	MainNetParams.Base58CksumHasher = base58.Groestl512D
    36  
    37  	TestNetParams = chaincfg.TestNet3Params
    38  	TestNetParams.Net = TestnetMagic
    39  
    40  	// Address encoding magics
    41  	TestNetParams.PubKeyHashAddrID = []byte{111}
    42  	TestNetParams.ScriptHashAddrID = []byte{196}
    43  	TestNetParams.Bech32HRPSegwit = "tgrs"
    44  	TestNetParams.Base58CksumHasher = base58.Groestl512D
    45  
    46  	RegTestParams = chaincfg.RegressionNetParams
    47  	RegTestParams.Net = RegtestMagic
    48  
    49  	// Address encoding magics
    50  	RegTestParams.PubKeyHashAddrID = []byte{111}
    51  	RegTestParams.ScriptHashAddrID = []byte{196}
    52  	RegTestParams.Bech32HRPSegwit = "grsrt"
    53  	RegTestParams.Base58CksumHasher = base58.Groestl512D
    54  
    55  	SigNetParams = chaincfg.SigNetParams
    56  	SigNetParams.Net = SignetMagic
    57  
    58  	// Address encoding magics
    59  	SigNetParams.PubKeyHashAddrID = []byte{111}
    60  	SigNetParams.ScriptHashAddrID = []byte{196}
    61  	SigNetParams.Bech32HRPSegwit = "tgrs"
    62  	SigNetParams.Base58CksumHasher = base58.Groestl512D
    63  }
    64  
    65  // GroestlcoinParser handle
    66  type GroestlcoinParser struct {
    67  	*btc.BitcoinParser
    68  	baseparser *bchain.BaseParser
    69  }
    70  
    71  // NewGroestlcoinParser returns new GroestlcoinParser instance
    72  func NewGroestlcoinParser(params *chaincfg.Params, c *btc.Configuration) *GroestlcoinParser {
    73  	return &GroestlcoinParser{
    74  		BitcoinParser: btc.NewBitcoinParser(params, c),
    75  		baseparser:    &bchain.BaseParser{},
    76  	}
    77  }
    78  
    79  // GetChainParams contains network parameters for the main Groestlcoin network,
    80  // the regression test Groestlcoin network, the test Groestlcoin network and
    81  // the simulation test Groestlcoin network, in this order
    82  func GetChainParams(chain string) *chaincfg.Params {
    83  	if !chaincfg.IsRegistered(&MainNetParams) {
    84  		err := chaincfg.Register(&MainNetParams)
    85  		if err == nil {
    86  			err = chaincfg.Register(&TestNetParams)
    87  		}
    88  		if err != nil {
    89  			panic(err)
    90  		}
    91  	}
    92  	switch chain {
    93  	case "test":
    94  		return &TestNetParams
    95  	case "regtest":
    96  		return &RegTestParams
    97  	case "signet":
    98  		return &SigNetParams
    99  	default:
   100  		return &MainNetParams
   101  	}
   102  }
   103  
   104  // PackTx packs transaction to byte array using protobuf
   105  func (p *GroestlcoinParser) PackTx(tx *bchain.Tx, height uint32, blockTime int64) ([]byte, error) {
   106  	return p.baseparser.PackTx(tx, height, blockTime)
   107  }
   108  
   109  // UnpackTx unpacks transaction from protobuf byte array
   110  func (p *GroestlcoinParser) UnpackTx(buf []byte) (*bchain.Tx, uint32, error) {
   111  	return p.baseparser.UnpackTx(buf)
   112  }