lnd.xprv/chainparams.go
2018-03-13 16:33:45 -07:00

103 lines
3.4 KiB
Go

package main
import (
"github.com/lightningnetwork/lnd/keychain"
litecoinCfg "github.com/ltcsuite/ltcd/chaincfg"
"github.com/roasbeef/btcd/chaincfg"
bitcoinCfg "github.com/roasbeef/btcd/chaincfg"
"github.com/roasbeef/btcd/chaincfg/chainhash"
"github.com/roasbeef/btcd/wire"
)
// activeNetParams is a pointer to the parameters specific to the currently
// active bitcoin network.
var activeNetParams = bitcoinTestNetParams
// bitcoinNetParams couples the p2p parameters of a network with the
// corresponding RPC port of a daemon running on the particular network.
type bitcoinNetParams struct {
*bitcoinCfg.Params
rpcPort string
CoinType uint32
}
// litecoinNetParams couples the p2p parameters of a network with the
// corresponding RPC port of a daemon running on the particular network.
type litecoinNetParams struct {
*litecoinCfg.Params
rpcPort string
CoinType uint32
}
// bitcoinTestNetParams contains parameters specific to the 3rd version of the
// test network.
var bitcoinTestNetParams = bitcoinNetParams{
Params: &bitcoinCfg.TestNet3Params,
rpcPort: "18334",
CoinType: keychain.CoinTypeTestnet,
}
// bitcoinSimNetParams contains parameters specific to the simulation test
// network.
var bitcoinSimNetParams = bitcoinNetParams{
Params: &bitcoinCfg.SimNetParams,
rpcPort: "18556",
CoinType: keychain.CoinTypeTestnet,
}
// liteTestNetParams contains parameters specific to the 4th version of the
// test network.
var liteTestNetParams = litecoinNetParams{
Params: &litecoinCfg.TestNet4Params,
rpcPort: "19334",
CoinType: keychain.CoinTypeTestnet,
}
// regTestNetParams contains parameters specific to a local regtest network.
var regTestNetParams = bitcoinNetParams{
Params: &bitcoinCfg.RegressionNetParams,
rpcPort: "18334",
CoinType: keychain.CoinTypeTestnet,
}
// applyLitecoinParams applies the relevant chain configuration parameters that
// differ for litecoin to the chain parameters typed for btcsuite derivation.
// This function is used in place of using something like interface{} to
// abstract over _which_ chain (or fork) the parameters are for.
func applyLitecoinParams(params *bitcoinNetParams) {
params.Name = liteTestNetParams.Name
params.Net = wire.BitcoinNet(liteTestNetParams.Net)
params.DefaultPort = liteTestNetParams.DefaultPort
params.CoinbaseMaturity = liteTestNetParams.CoinbaseMaturity
copy(params.GenesisHash[:], liteTestNetParams.GenesisHash[:])
// Address encoding magics
params.PubKeyHashAddrID = liteTestNetParams.PubKeyHashAddrID
params.ScriptHashAddrID = liteTestNetParams.ScriptHashAddrID
params.PrivateKeyID = liteTestNetParams.PrivateKeyID
params.WitnessPubKeyHashAddrID = liteTestNetParams.WitnessPubKeyHashAddrID
params.WitnessScriptHashAddrID = liteTestNetParams.WitnessScriptHashAddrID
params.Bech32HRPSegwit = liteTestNetParams.Bech32HRPSegwit
copy(params.HDPrivateKeyID[:], liteTestNetParams.HDPrivateKeyID[:])
copy(params.HDPublicKeyID[:], liteTestNetParams.HDPublicKeyID[:])
params.HDCoinType = liteTestNetParams.HDCoinType
checkPoints := make([]chaincfg.Checkpoint, len(liteTestNetParams.Checkpoints))
for i := 0; i < len(liteTestNetParams.Checkpoints); i++ {
var chainHash chainhash.Hash
copy(chainHash[:], liteTestNetParams.Checkpoints[i].Hash[:])
checkPoints[i] = chaincfg.Checkpoint{
Height: liteTestNetParams.Checkpoints[i].Height,
Hash: &chainHash,
}
}
params.Checkpoints = checkPoints
params.rpcPort = liteTestNetParams.rpcPort
params.CoinType = liteTestNetParams.CoinType
}