148 lines
4.7 KiB
Go
148 lines
4.7 KiB
Go
package lnd
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import (
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"github.com/btcsuite/btcd/chaincfg"
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bitcoinCfg "github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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bitcoinWire "github.com/btcsuite/btcd/wire"
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"github.com/lightningnetwork/lnd/keychain"
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litecoinCfg "github.com/ltcsuite/ltcd/chaincfg"
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litecoinWire "github.com/ltcsuite/ltcd/wire"
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)
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// activeNetParams is a pointer to the parameters specific to the currently
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// active bitcoin network.
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var activeNetParams = bitcoinTestNetParams
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// bitcoinNetParams couples the p2p parameters of a network with the
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// corresponding RPC port of a daemon running on the particular network.
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type bitcoinNetParams struct {
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*bitcoinCfg.Params
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rpcPort string
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CoinType uint32
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}
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// litecoinNetParams couples the p2p parameters of a network with the
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// corresponding RPC port of a daemon running on the particular network.
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type litecoinNetParams struct {
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*litecoinCfg.Params
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rpcPort string
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CoinType uint32
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}
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// bitcoinTestNetParams contains parameters specific to the 3rd version of the
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// test network.
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var bitcoinTestNetParams = bitcoinNetParams{
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Params: &bitcoinCfg.TestNet3Params,
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rpcPort: "18334",
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CoinType: keychain.CoinTypeTestnet,
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}
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// bitcoinMainNetParams contains parameters specific to the current Bitcoin
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// mainnet.
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var bitcoinMainNetParams = bitcoinNetParams{
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Params: &bitcoinCfg.MainNetParams,
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rpcPort: "8334",
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CoinType: keychain.CoinTypeBitcoin,
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}
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// bitcoinSimNetParams contains parameters specific to the simulation test
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// network.
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var bitcoinSimNetParams = bitcoinNetParams{
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Params: &bitcoinCfg.SimNetParams,
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rpcPort: "18556",
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CoinType: keychain.CoinTypeTestnet,
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}
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// litecoinSimNetParams contains parameters specific to the simulation test
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// network.
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var litecoinSimNetParams = litecoinNetParams{
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Params: &litecoinCfg.SimNetParams,
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rpcPort: "18556",
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CoinType: keychain.CoinTypeTestnet,
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}
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// litecoinTestNetParams contains parameters specific to the 4th version of the
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// test network.
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var litecoinTestNetParams = litecoinNetParams{
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Params: &litecoinCfg.TestNet4Params,
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rpcPort: "19334",
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CoinType: keychain.CoinTypeTestnet,
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}
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// litecoinMainNetParams contains the parameters specific to the current
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// Litecoin mainnet.
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var litecoinMainNetParams = litecoinNetParams{
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Params: &litecoinCfg.MainNetParams,
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rpcPort: "9334",
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CoinType: keychain.CoinTypeLitecoin,
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}
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// litecoinRegTestNetParams contains parameters specific to a local litecoin
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// regtest network.
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var litecoinRegTestNetParams = litecoinNetParams{
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Params: &litecoinCfg.RegressionNetParams,
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rpcPort: "18334",
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CoinType: keychain.CoinTypeTestnet,
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}
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// bitcoinRegTestNetParams contains parameters specific to a local bitcoin
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// regtest network.
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var bitcoinRegTestNetParams = bitcoinNetParams{
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Params: &bitcoinCfg.RegressionNetParams,
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rpcPort: "18334",
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CoinType: keychain.CoinTypeTestnet,
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}
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// applyLitecoinParams applies the relevant chain configuration parameters that
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// differ for litecoin to the chain parameters typed for btcsuite derivation.
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// This function is used in place of using something like interface{} to
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// abstract over _which_ chain (or fork) the parameters are for.
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func applyLitecoinParams(params *bitcoinNetParams, litecoinParams *litecoinNetParams) {
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params.Name = litecoinParams.Name
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params.Net = bitcoinWire.BitcoinNet(litecoinParams.Net)
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params.DefaultPort = litecoinParams.DefaultPort
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params.CoinbaseMaturity = litecoinParams.CoinbaseMaturity
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copy(params.GenesisHash[:], litecoinParams.GenesisHash[:])
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// Address encoding magics
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params.PubKeyHashAddrID = litecoinParams.PubKeyHashAddrID
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params.ScriptHashAddrID = litecoinParams.ScriptHashAddrID
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params.PrivateKeyID = litecoinParams.PrivateKeyID
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params.WitnessPubKeyHashAddrID = litecoinParams.WitnessPubKeyHashAddrID
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params.WitnessScriptHashAddrID = litecoinParams.WitnessScriptHashAddrID
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params.Bech32HRPSegwit = litecoinParams.Bech32HRPSegwit
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copy(params.HDPrivateKeyID[:], litecoinParams.HDPrivateKeyID[:])
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copy(params.HDPublicKeyID[:], litecoinParams.HDPublicKeyID[:])
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params.HDCoinType = litecoinParams.HDCoinType
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checkPoints := make([]chaincfg.Checkpoint, len(litecoinParams.Checkpoints))
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for i := 0; i < len(litecoinParams.Checkpoints); i++ {
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var chainHash chainhash.Hash
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copy(chainHash[:], litecoinParams.Checkpoints[i].Hash[:])
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checkPoints[i] = chaincfg.Checkpoint{
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Height: litecoinParams.Checkpoints[i].Height,
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Hash: &chainHash,
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}
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}
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params.Checkpoints = checkPoints
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params.rpcPort = litecoinParams.rpcPort
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params.CoinType = litecoinParams.CoinType
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}
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// isTestnet tests if the given params correspond to a testnet
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// parameter configuration.
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func isTestnet(params *bitcoinNetParams) bool {
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switch params.Params.Net {
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case bitcoinWire.TestNet3, bitcoinWire.BitcoinNet(litecoinWire.TestNet4):
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return true
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default:
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return false
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}
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}
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