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

     1  package flo
     2  
     3  import (
     4  	"github.com/martinboehm/btcd/wire"
     5  	"github.com/martinboehm/btcutil/chaincfg"
     6  	"github.com/trezor/blockbook/bchain"
     7  	"github.com/trezor/blockbook/bchain/coins/btc"
     8  )
     9  
    10  // magic numbers
    11  const (
    12  	MainnetMagic wire.BitcoinNet = 0xf1a5c0fd
    13  	TestnetMagic wire.BitcoinNet = 0xf25ac0fd
    14  	RegtestMagic wire.BitcoinNet = 0xdab5bffa
    15  )
    16  
    17  // chain parameters
    18  var (
    19  	MainNetParams chaincfg.Params
    20  	TestNetParams chaincfg.Params
    21  )
    22  
    23  func init() {
    24  	MainNetParams = chaincfg.MainNetParams
    25  	MainNetParams.Net = MainnetMagic
    26  	MainNetParams.PubKeyHashAddrID = []byte{35}
    27  	MainNetParams.ScriptHashAddrID = []byte{94}
    28  	MainNetParams.Bech32HRPSegwit = "flo"
    29  
    30  	TestNetParams = chaincfg.TestNet3Params
    31  	TestNetParams.Net = TestnetMagic
    32  	TestNetParams.PubKeyHashAddrID = []byte{115}
    33  	TestNetParams.ScriptHashAddrID = []byte{198}
    34  	TestNetParams.Bech32HRPSegwit = "tflo"
    35  }
    36  
    37  // FloParser handle
    38  type FloParser struct {
    39  	*btc.BitcoinLikeParser
    40  	baseparser *bchain.BaseParser
    41  }
    42  
    43  // NewFloParser returns new FloParser instance
    44  func NewFloParser(params *chaincfg.Params, c *btc.Configuration) *FloParser {
    45  	return &FloParser{
    46  		BitcoinLikeParser: btc.NewBitcoinLikeParser(params, c),
    47  		baseparser:        &bchain.BaseParser{},
    48  	}
    49  }
    50  
    51  // GetChainParams contains network parameters for the main Flo network,
    52  // and the test Flo network
    53  func GetChainParams(chain string) *chaincfg.Params {
    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  }
    70  
    71  // PackTx packs transaction to byte array using protobuf
    72  func (p *FloParser) PackTx(tx *bchain.Tx, height uint32, blockTime int64) ([]byte, error) {
    73  	return p.baseparser.PackTx(tx, height, blockTime)
    74  }
    75  
    76  // UnpackTx unpacks transaction from protobuf byte array
    77  func (p *FloParser) UnpackTx(buf []byte) (*bchain.Tx, uint32, error) {
    78  	return p.baseparser.UnpackTx(buf)
    79  }