github.com/bchainhub/blockbook@v0.3.2/bchain/coins/deeponion/deeponionparser.go (about)

     1  package deeponion
     2  
     3  import (
     4  	"blockbook/bchain"
     5  	"blockbook/bchain/coins/btc"
     6  
     7  	"github.com/martinboehm/btcd/wire"
     8  	"github.com/martinboehm/btcutil/chaincfg"
     9  )
    10  
    11  // magic numbers
    12  const (
    13  	MainnetMagic wire.BitcoinNet = 0xf2dbf1d1
    14  )
    15  
    16  // chain parameters
    17  var (
    18  	MainNetParams chaincfg.Params
    19  )
    20  
    21  func init() {
    22  	MainNetParams = chaincfg.MainNetParams
    23  	MainNetParams.Net = MainnetMagic
    24  	MainNetParams.PubKeyHashAddrID = []byte{31}
    25  	MainNetParams.ScriptHashAddrID = []byte{78}
    26  	MainNetParams.Bech32HRPSegwit = "dpn"
    27  }
    28  
    29  // DeepOnionParser handle
    30  type DeepOnionParser struct {
    31  	*btc.BitcoinParser
    32  	baseparser *bchain.BaseParser
    33  }
    34  
    35  // NewDeepOnionParser returns new DeepOnionParser instance
    36  func NewDeepOnionParser(params *chaincfg.Params, c *btc.Configuration) *DeepOnionParser {
    37  	return &DeepOnionParser{
    38  		BitcoinParser: btc.NewBitcoinParser(params, c),
    39  		baseparser:    &bchain.BaseParser{},
    40  	}
    41  }
    42  
    43  // GetChainParams contains network parameters for the main DeepOnion network,
    44  func GetChainParams(chain string) *chaincfg.Params {
    45  	// register bitcoin parameters in addition to deeponion parameters
    46  	// deeponion has dual standard of addresses and we want to be able to
    47  	// parse both standards
    48  	if !chaincfg.IsRegistered(&chaincfg.MainNetParams) {
    49  		chaincfg.RegisterBitcoinParams()
    50  	}
    51  	if !chaincfg.IsRegistered(&MainNetParams) {
    52  		err := chaincfg.Register(&MainNetParams)
    53  		if err != nil {
    54  			panic(err)
    55  		}
    56  	}
    57  	return &MainNetParams
    58  }
    59  
    60  // PackTx packs transaction to byte array using protobuf
    61  func (p *DeepOnionParser) PackTx(tx *bchain.Tx, height uint32, blockTime int64) ([]byte, error) {
    62  	return p.baseparser.PackTx(tx, height, blockTime)
    63  }
    64  
    65  // UnpackTx unpacks transaction from protobuf byte array
    66  func (p *DeepOnionParser) UnpackTx(buf []byte) (*bchain.Tx, uint32, error) {
    67  	return p.baseparser.UnpackTx(buf)
    68  }