package lnd import ( "github.com/btcsuite/btcd/chaincfg" bitcoinCfg "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/chaincfg/chainhash" bitcoinWire "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/keychain" litecoinCfg "github.com/ltcsuite/ltcd/chaincfg" litecoinWire "github.com/ltcsuite/ltcd/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, } // bitcoinMainNetParams contains parameters specific to the current Bitcoin // mainnet. var bitcoinMainNetParams = bitcoinNetParams{ Params: &bitcoinCfg.MainNetParams, rpcPort: "8334", CoinType: keychain.CoinTypeBitcoin, } // bitcoinSimNetParams contains parameters specific to the simulation test // network. var bitcoinSimNetParams = bitcoinNetParams{ Params: &bitcoinCfg.SimNetParams, rpcPort: "18556", CoinType: keychain.CoinTypeTestnet, } // litecoinSimNetParams contains parameters specific to the simulation test // network. var litecoinSimNetParams = litecoinNetParams{ Params: &litecoinCfg.SimNetParams, rpcPort: "18556", CoinType: keychain.CoinTypeTestnet, } // litecoinTestNetParams contains parameters specific to the 4th version of the // test network. var litecoinTestNetParams = litecoinNetParams{ Params: &litecoinCfg.TestNet4Params, rpcPort: "19334", CoinType: keychain.CoinTypeTestnet, } // litecoinMainNetParams contains the parameters specific to the current // Litecoin mainnet. var litecoinMainNetParams = litecoinNetParams{ Params: &litecoinCfg.MainNetParams, rpcPort: "9334", CoinType: keychain.CoinTypeLitecoin, } // 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, litecoinParams *litecoinNetParams) { params.Name = litecoinParams.Name params.Net = bitcoinWire.BitcoinNet(litecoinParams.Net) params.DefaultPort = litecoinParams.DefaultPort params.CoinbaseMaturity = litecoinParams.CoinbaseMaturity copy(params.GenesisHash[:], litecoinParams.GenesisHash[:]) // Address encoding magics params.PubKeyHashAddrID = litecoinParams.PubKeyHashAddrID params.ScriptHashAddrID = litecoinParams.ScriptHashAddrID params.PrivateKeyID = litecoinParams.PrivateKeyID params.WitnessPubKeyHashAddrID = litecoinParams.WitnessPubKeyHashAddrID params.WitnessScriptHashAddrID = litecoinParams.WitnessScriptHashAddrID params.Bech32HRPSegwit = litecoinParams.Bech32HRPSegwit copy(params.HDPrivateKeyID[:], litecoinParams.HDPrivateKeyID[:]) copy(params.HDPublicKeyID[:], litecoinParams.HDPublicKeyID[:]) params.HDCoinType = litecoinParams.HDCoinType checkPoints := make([]chaincfg.Checkpoint, len(litecoinParams.Checkpoints)) for i := 0; i < len(litecoinParams.Checkpoints); i++ { var chainHash chainhash.Hash copy(chainHash[:], litecoinParams.Checkpoints[i].Hash[:]) checkPoints[i] = chaincfg.Checkpoint{ Height: litecoinParams.Checkpoints[i].Height, Hash: &chainHash, } } params.Checkpoints = checkPoints params.rpcPort = litecoinParams.rpcPort params.CoinType = litecoinParams.CoinType } // isTestnet tests if the given params correspond to a testnet // parameter configuration. func isTestnet(params *bitcoinNetParams) bool { switch params.Params.Net { case bitcoinWire.TestNet3, bitcoinWire.BitcoinNet(litecoinWire.TestNet4): return true default: return false } }