github.com/bchainhub/blockbook@v0.3.2/bchain/coins/polis/polisparser.go (about)

     1  package polis
     2  
     3  import (
     4  	"blockbook/bchain/coins/btc"
     5  
     6  	"github.com/martinboehm/btcd/wire"
     7  	"github.com/martinboehm/btcutil/chaincfg"
     8  )
     9  
    10  // magic numbers
    11  const (
    12  	MainnetMagic wire.BitcoinNet = 0xbd6b0cbf
    13  	TestnetMagic wire.BitcoinNet = 0xffcae2ce
    14  	RegtestMagic wire.BitcoinNet = 0xdcb7c1fc
    15  )
    16  
    17  // chain parameters
    18  var (
    19  	MainNetParams chaincfg.Params
    20  	TestNetParams chaincfg.Params
    21  	RegtestParams chaincfg.Params
    22  )
    23  
    24  func init() {
    25  	MainNetParams = chaincfg.MainNetParams
    26  	MainNetParams.Net = MainnetMagic
    27  
    28  	// Address encoding magics
    29  	MainNetParams.PubKeyHashAddrID = []byte{55} // base58 prefix: P
    30  	MainNetParams.ScriptHashAddrID = []byte{56} // base58 prefix: 3
    31  
    32  	TestNetParams = chaincfg.TestNet3Params
    33  	TestNetParams.Net = TestnetMagic
    34  
    35  	// Address encoding magics
    36  	TestNetParams.PubKeyHashAddrID = []byte{140} // base58 prefix: y
    37  	TestNetParams.ScriptHashAddrID = []byte{19}  // base58 prefix: 8 or 9
    38  
    39  	RegtestParams = chaincfg.RegressionNetParams
    40  	RegtestParams.Net = RegtestMagic
    41  
    42  	// Address encoding magics
    43  	RegtestParams.PubKeyHashAddrID = []byte{140} // base58 prefix: y
    44  	RegtestParams.ScriptHashAddrID = []byte{19}  // base58 prefix: 8 or 9
    45  }
    46  
    47  // PolisParser handle
    48  type PolisParser struct {
    49  	*btc.BitcoinParser
    50  }
    51  
    52  // NewPolisParser returns new PolisParser instance
    53  func NewPolisParser(params *chaincfg.Params, c *btc.Configuration) *PolisParser {
    54  	return &PolisParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
    55  }
    56  
    57  // GetChainParams contains network parameters for the main Polis network,
    58  // the regression test Polis network, the test Polis network and
    59  // the simulation test Polis network, in this order
    60  func GetChainParams(chain string) *chaincfg.Params {
    61  	if !chaincfg.IsRegistered(&MainNetParams) {
    62  		err := chaincfg.Register(&MainNetParams)
    63  		if err == nil {
    64  			err = chaincfg.Register(&TestNetParams)
    65  		}
    66  		if err == nil {
    67  			err = chaincfg.Register(&RegtestParams)
    68  		}
    69  		if err != nil {
    70  			panic(err)
    71  		}
    72  	}
    73  	switch chain {
    74  	case "test":
    75  		return &TestNetParams
    76  	case "regtest":
    77  		return &RegtestParams
    78  	default:
    79  		return &MainNetParams
    80  	}
    81  }