blockbook/bchain/coins/ravencoin/ravencoinparser.go

94 lines
2.1 KiB
Go

package ravencoin
import (
"bytes"
"github.com/martinboehm/btcd/wire"
"github.com/martinboehm/btcutil/chaincfg"
"github.com/trezor/blockbook/bchain"
"github.com/trezor/blockbook/bchain/coins/btc"
"github.com/trezor/blockbook/bchain/coins/utils"
)
// magic numbers
const (
MainnetMagic wire.BitcoinNet = 0x4e564152
TestnetMagic wire.BitcoinNet = 0x544e5652
)
// chain parameters
var (
MainNetParams chaincfg.Params
TestNetParams chaincfg.Params
)
func init() {
MainNetParams = chaincfg.MainNetParams
MainNetParams.Net = MainnetMagic
MainNetParams.PubKeyHashAddrID = []byte{60}
MainNetParams.ScriptHashAddrID = []byte{122}
TestNetParams = chaincfg.TestNet3Params
TestNetParams.Net = TestnetMagic
TestNetParams.PubKeyHashAddrID = []byte{111}
TestNetParams.ScriptHashAddrID = []byte{196}
}
// RavencoinParser handle
type RavencoinParser struct {
*btc.BitcoinParser
}
// NewRavencoinParser returns new RavencoinParser instance
func NewRavencoinParser(params *chaincfg.Params, c *btc.Configuration) *RavencoinParser {
return &RavencoinParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
}
// GetChainParams contains network parameters
func GetChainParams(chain string) *chaincfg.Params {
if !chaincfg.IsRegistered(&MainNetParams) {
err := chaincfg.Register(&MainNetParams)
if err == nil {
err = chaincfg.Register(&TestNetParams)
}
if err != nil {
panic(err)
}
}
switch chain {
case "test":
return &TestNetParams
default:
return &MainNetParams
}
}
// ParseBlock parses raw block to our Block struct
func (p *RavencoinParser) ParseBlock(b []byte) (*bchain.Block, error) {
r := bytes.NewReader(b)
w := wire.MsgBlock{}
h := wire.BlockHeader{}
err := h.Deserialize(r)
if err != nil {
return nil, err
}
err = utils.DecodeTransactions(r, 0, wire.WitnessEncoding, &w)
if err != nil {
return nil, err
}
txs := make([]bchain.Tx, len(w.Transactions))
for ti, t := range w.Transactions {
txs[ti] = p.TxFromMsgTx(t, false)
}
return &bchain.Block{
BlockHeader: bchain.BlockHeader{
Size: len(b),
Time: h.Timestamp.Unix(),
},
Txs: txs,
}, nil
}