94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package myriad
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import (
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"bytes"
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"github.com/martinboehm/btcd/wire"
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"github.com/martinboehm/btcutil/chaincfg"
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"spacecruft.org/spacecruft/blockbook/bchain"
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"spacecruft.org/spacecruft/blockbook/bchain/coins/btc"
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"spacecruft.org/spacecruft/blockbook/bchain/coins/utils"
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)
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// magic numbers
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const (
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MainnetMagic wire.BitcoinNet = 0xee7645af
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)
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// chain parameters
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var (
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MainNetParams chaincfg.Params
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)
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func init() {
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MainNetParams = chaincfg.MainNetParams
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MainNetParams.Net = MainnetMagic
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MainNetParams.Bech32HRPSegwit = "my"
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MainNetParams.PubKeyHashAddrID = []byte{50} // 0x32 - starts with M
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MainNetParams.ScriptHashAddrID = []byte{9} // 0x09 - starts with 4
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MainNetParams.PrivateKeyID = []byte{178} // 0xB2
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MainNetParams.HDCoinType = 90
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}
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// MyriadParser handle
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type MyriadParser struct {
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*btc.BitcoinParser
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}
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// NewMyriadParser returns new MyriadParser instance
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func NewMyriadParser(params *chaincfg.Params, c *btc.Configuration) *MyriadParser {
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return &MyriadParser{BitcoinParser: btc.NewBitcoinParser(params, c)}
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}
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// GetChainParams contains network parameters for the main Myriad network
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func GetChainParams(chain string) *chaincfg.Params {
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if !chaincfg.IsRegistered(&MainNetParams) {
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err := chaincfg.Register(&MainNetParams)
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if err != nil {
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panic(err)
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}
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}
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switch chain {
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default:
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return &MainNetParams
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}
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}
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// ParseBlock parses raw block to our Block struct
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// it has special handling for Auxpow blocks that cannot be parsed by standard btc wire parser
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func (p *MyriadParser) ParseBlock(b []byte) (*bchain.Block, error) {
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r := bytes.NewReader(b)
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w := wire.MsgBlock{}
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h := wire.BlockHeader{}
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err := h.Deserialize(r)
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if err != nil {
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return nil, err
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}
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if (h.Version & utils.VersionAuxpow) != 0 {
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if err = utils.SkipAuxpow(r); err != nil {
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return nil, err
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}
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}
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err = utils.DecodeTransactions(r, 0, wire.WitnessEncoding, &w)
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if err != nil {
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return nil, err
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}
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txs := make([]bchain.Tx, len(w.Transactions))
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for ti, t := range w.Transactions {
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txs[ti] = p.TxFromMsgTx(t, false)
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}
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return &bchain.Block{
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BlockHeader: bchain.BlockHeader{
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Size: len(b),
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Time: h.Timestamp.Unix(),
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},
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Txs: txs,
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}, nil
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}
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