diff options
Diffstat (limited to 'src/chainparams.cpp')
| -rw-r--r-- | src/chainparams.cpp | 109 |
1 files changed, 72 insertions, 37 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp index b517717c97..b8e0ea23dd 100644 --- a/src/chainparams.cpp +++ b/src/chainparams.cpp @@ -1,18 +1,21 @@ // Copyright (c) 2010 Satoshi Nakamoto -// Copyright (c) 2009-2017 The Bitcoin Core developers +// Copyright (c) 2009-2018 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include <chainparams.h> -#include <consensus/merkle.h> +#include <chainparamsseeds.h> +#include <consensus/merkle.h> #include <tinyformat.h> -#include <util.h> -#include <utilstrencodings.h> +#include <util/system.h> +#include <util/strencodings.h> +#include <versionbitsinfo.h> #include <assert.h> -#include <chainparamsseeds.h> +#include <boost/algorithm/string/classification.hpp> +#include <boost/algorithm/string/split.hpp> static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward) { @@ -53,23 +56,9 @@ static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward); } -void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout) -{ - consensus.vDeployments[d].nStartTime = nStartTime; - consensus.vDeployments[d].nTimeout = nTimeout; -} - /** * Main network */ -/** - * What makes a good checkpoint block? - * + Is surrounded by blocks with reasonable timestamps - * (no blocks before with a timestamp after, none after with - * timestamp before) - * + Contains no strange transactions - */ - class CMainParams : public CChainParams { public: CMainParams() { @@ -102,10 +91,10 @@ public: consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1510704000; // November 15th, 2017. // The best chain should have at least this much work. - consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000028822fef1c230963535a90d"); + consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000051dc8b82f450202ecb3d471"); // By default assume that the signatures in ancestors of this block are valid. - consensus.defaultAssumeValid = uint256S("0x0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8"); //534292 + consensus.defaultAssumeValid = uint256S("0x0000000000000000000f1c54590ee18d15ec70e68c8cd4cfbadb1b4f11697eee"); //563378 /** * The message start string is designed to be unlikely to occur in normal data. @@ -118,6 +107,8 @@ public: pchMessageStart[3] = 0xd9; nDefaultPort = 8333; nPruneAfterHeight = 100000; + m_assumed_blockchain_size = 240; + m_assumed_chain_state_size = 3; genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN); consensus.hashGenesisBlock = genesis.GetHash(); @@ -136,6 +127,7 @@ public: vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch"); // Jonas Schnelli, only supports x1, x5, x9, and xd vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost + vSeeds.emplace_back("dnsseed.emzy.de"); // Stephan Oeste base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0); base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5); @@ -170,10 +162,10 @@ public: }; chainTxData = ChainTxData{ - // Data from rpc: getchaintxstats 4096 0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8 - /* nTime */ 1532884444, - /* nTxCount */ 331282217, - /* dTxRate */ 2.4 + // Data from rpc: getchaintxstats 4096 0000000000000000000f1c54590ee18d15ec70e68c8cd4cfbadb1b4f11697eee + /* nTime */ 1550374134, + /* nTxCount */ 383732546, + /* dTxRate */ 3.685496590998308 }; /* disable fallback fee on mainnet */ @@ -227,6 +219,8 @@ public: pchMessageStart[3] = 0x07; nDefaultPort = 18333; nPruneAfterHeight = 1000; + m_assumed_blockchain_size = 30; + m_assumed_chain_state_size = 2; genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN); consensus.hashGenesisBlock = genesis.GetHash(); @@ -279,14 +273,14 @@ public: */ class CRegTestParams : public CChainParams { public: - CRegTestParams() { + explicit CRegTestParams(const ArgsManager& args) { strNetworkID = "regtest"; consensus.nSubsidyHalvingInterval = 150; consensus.BIP16Exception = uint256(); - consensus.BIP34Height = 100000000; // BIP34 has not activated on regtest (far in the future so block v1 are not rejected in tests) + consensus.BIP34Height = 500; // BIP34 activated on regtest (Used in functional tests) consensus.BIP34Hash = uint256(); - consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests) - consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in rpc activation tests) + consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in functional tests) + consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in functional tests) consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks consensus.nPowTargetSpacing = 10 * 60; @@ -316,6 +310,10 @@ public: pchMessageStart[3] = 0xda; nDefaultPort = 18444; nPruneAfterHeight = 1000; + m_assumed_blockchain_size = 0; + m_assumed_chain_state_size = 0; + + UpdateVersionBitsParametersFromArgs(args); genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN); consensus.hashGenesisBlock = genesis.GetHash(); @@ -352,23 +350,65 @@ public: /* enable fallback fee on regtest */ m_fallback_fee_enabled = true; } + + /** + * Allows modifying the Version Bits regtest parameters. + */ + void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout) + { + consensus.vDeployments[d].nStartTime = nStartTime; + consensus.vDeployments[d].nTimeout = nTimeout; + } + void UpdateVersionBitsParametersFromArgs(const ArgsManager& args); }; -static std::unique_ptr<CChainParams> globalChainParams; +void CRegTestParams::UpdateVersionBitsParametersFromArgs(const ArgsManager& args) +{ + if (!args.IsArgSet("-vbparams")) return; + + for (const std::string& strDeployment : args.GetArgs("-vbparams")) { + std::vector<std::string> vDeploymentParams; + boost::split(vDeploymentParams, strDeployment, boost::is_any_of(":")); + if (vDeploymentParams.size() != 3) { + throw std::runtime_error("Version bits parameters malformed, expecting deployment:start:end"); + } + int64_t nStartTime, nTimeout; + if (!ParseInt64(vDeploymentParams[1], &nStartTime)) { + throw std::runtime_error(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1])); + } + if (!ParseInt64(vDeploymentParams[2], &nTimeout)) { + throw std::runtime_error(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2])); + } + bool found = false; + for (int j=0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) { + if (vDeploymentParams[0] == VersionBitsDeploymentInfo[j].name) { + UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout); + found = true; + LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout); + break; + } + } + if (!found) { + throw std::runtime_error(strprintf("Invalid deployment (%s)", vDeploymentParams[0])); + } + } +} + +static std::unique_ptr<const CChainParams> globalChainParams; const CChainParams &Params() { assert(globalChainParams); return *globalChainParams; } -std::unique_ptr<CChainParams> CreateChainParams(const std::string& chain) +std::unique_ptr<const CChainParams> CreateChainParams(const std::string& chain) { if (chain == CBaseChainParams::MAIN) return std::unique_ptr<CChainParams>(new CMainParams()); else if (chain == CBaseChainParams::TESTNET) return std::unique_ptr<CChainParams>(new CTestNetParams()); else if (chain == CBaseChainParams::REGTEST) - return std::unique_ptr<CChainParams>(new CRegTestParams()); + return std::unique_ptr<CChainParams>(new CRegTestParams(gArgs)); throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain)); } @@ -377,8 +417,3 @@ void SelectParams(const std::string& network) SelectBaseParams(network); globalChainParams = CreateChainParams(network); } - -void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout) -{ - globalChainParams->UpdateVersionBitsParameters(d, nStartTime, nTimeout); -} |