ce564e381a
Changes are as below: Wrap CBlockHeader::nVersion into a new class (CBlockVersion). This allows to take care of interpreting the field into a base version, auxpow flag and the chain ID. Update getauxblock.py for new 'generate' RPC call. Add 'auxpow' to block JSON. Accept auxpow as PoW verification. Add unit tests for auxpow verification. Add check for memory-layout of CBlockVersion. Weaken auxpow chain ID checks for the testnet. Allow Params() to overrule when to check the auxpow chain ID and for legacy blocks. Use this to disable the checks on testnet. Introduce CPureBlockHeader. Split the block header part that is used by auxpow and the "real" block header (that uses auxpow) to resolve the cyclic dependency between the two. Differentiate between uint256 and arith_uint256. This change was done upstream, modify the auxpow code. Add missing lock in auxpow_tests. Fix REST header check for auxpow headers. Those can be longer, thus take that into account. Also perform the check actually on an auxpow header. Correctly set the coinbase for getauxblock results. Call IncrementExtraNonce in getauxblock so that the coinbase is actually initialised with the stuff it should be. (BIP30 block height and COINBASE_FLAGS.) Implement getauxblock plus regression test. Turn auxpow test into FIXTURE test. This allows using of the Params() calls. Move CMerkleTx code to auxpow.cpp. Otherwise we get linker errors when building without wallet. Fix rebase with BIP66. Update the code to handle BIP66's nVersion=3. Enforce that auxpow parent blocks have no auxpow block version. This is for compatibility with namecoind. See also https://github.com/namecoin/namecoin/pull/199. Move auxpow-related parameters to Consensus::Params.
399 lines
19 KiB
C++
399 lines
19 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2018 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <chainparams.h>
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#include <consensus/merkle.h>
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#include <tinyformat.h>
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#include <util.h>
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#include <utilstrencodings.h>
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#include <assert.h>
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#include <chainparamsseeds.h>
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static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
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{
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CMutableTransaction txNew;
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txNew.nVersion = 1;
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txNew.vin.resize(1);
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txNew.vout.resize(1);
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txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
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txNew.vout[0].nValue = genesisReward;
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txNew.vout[0].scriptPubKey = genesisOutputScript;
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CBlock genesis;
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genesis.nTime = nTime;
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genesis.nBits = nBits;
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genesis.nNonce = nNonce;
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genesis.nVersion = nVersion;
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genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
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genesis.hashPrevBlock.SetNull();
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genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
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return genesis;
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}
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/**
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* Build the genesis block. Note that the output of its generation
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* transaction cannot be spent since it did not originally exist in the
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* database.
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*
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* CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1386325540, nBits=1e0ffff0, nNonce=99943, vtx=1)
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* CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
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* CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
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* CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
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* vMerkleTree: 4a5e1e
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*/
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static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
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{
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const char* pszTimestamp = "Nintondo";
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const CScript genesisOutputScript = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << OP_CHECKSIG;
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return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
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}
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void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
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{
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consensus.vDeployments[d].nStartTime = nStartTime;
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consensus.vDeployments[d].nTimeout = nTimeout;
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}
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/**
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* Main network
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*/
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/**
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* What makes a good checkpoint block?
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* + Is surrounded by blocks with reasonable timestamps
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* (no blocks before with a timestamp after, none after with
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* timestamp before)
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* + Contains no strange transactions
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*/
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class CMainParams : public CChainParams {
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public:
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CMainParams() {
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strNetworkID = "main";
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consensus.nSubsidyHalvingInterval = 100000;
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consensus.BIP16Exception = uint256();
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// BIP34 is never enforced in Dogecoin v2 blocks, so we enforce from v3
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consensus.BIP34Height = 1034383;
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consensus.BIP34Hash = uint256S("0x80d1364201e5df97e696c03bdd24dc885e8617b9de51e453c10a4f629b1e797a");
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consensus.BIP65Height = 5000000; // Dogecoin: Use a stupidly high value as a placeholder until 1.14 locks this in
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consensus.BIP66Height = 1034383; // 80d1364201e5df97e696c03bdd24dc885e8617b9de51e453c10a4f629b1e797a - this is the last block that could be v2, 1900
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consensus.powLimit = uint256S("0x00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 20;
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consensus.nPowTargetTimespan = 4 * 60 * 60; // pre-digishield: 4 hours
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consensus.nPowTargetSpacing = 60; // 1 minute
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consensus.fPowAllowMinDifficultyBlocks = false;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
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consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
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// Deployment of BIP68, BIP112, and BIP113.
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// XXX: BIP heights and hashes all need to be updated to Dogecoin values
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1462060800; // May 1st, 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
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// Deployment of SegWit (BIP141, BIP143, and BIP147)
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1479168000; // November 15th, 2016.
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 0; // Disabled
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000001d35274e9465dd925d");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8"); //534292
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consensus.nAuxpowChainId = 0x0062; // 98 - Josh Wise!
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consensus.nAuxpowStartHeight = 371337;
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consensus.fStrictChainId = true;
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consensus.nLegacyBlocksBefore = 371337;
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/**
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* The message start string is designed to be unlikely to occur in normal data.
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* The characters are rarely used upper ASCII, not valid as UTF-8, and produce
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* a large 32-bit integer with any alignment.
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*/
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pchMessageStart[0] = 0xc0;
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pchMessageStart[1] = 0xc0;
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pchMessageStart[2] = 0xc0;
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pchMessageStart[3] = 0xc0;
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nDefaultPort = 22556;
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nPruneAfterHeight = 100000;
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genesis = CreateGenesisBlock(1386325540, 99943, 0x1e0ffff0, 1, 88 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x1a91e3dace36e2be3bf030a65679fe821aa1d6ef92e7c9902eb318182c355691"));
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assert(genesis.hashMerkleRoot == uint256S("0x5b2a3f53f605d62c53e62932dac6925e3d74afa5a4b459745c36d42d0ed26a69"));
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// Note that of those which support the service bits prefix, most only support a subset of
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// possible options.
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// This is fine at runtime as we'll fall back to using them as a oneshot if they don't support the
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// service bits we want, but we should get them updated to support all service bits wanted by any
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// release ASAP to avoid it where possible.
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vSeeds.emplace_back("seed.multidoge.org");
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vSeeds.emplace_back("seed2.multidoge.org");
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,30);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,22);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,158);
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base58Prefixes[EXT_PUBLIC_KEY] = {0x02, 0xFA, 0xCA, 0xFD};
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base58Prefixes[EXT_SECRET_KEY] = {0x02, 0xFA, 0xC3, 0x98};
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bech32_hrp = "bc";
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//TODO: fix this for dogecoin -- plddr
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//vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
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vFixedSeeds.clear();
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fDefaultConsistencyChecks = false;
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fRequireStandard = true;
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fMineBlocksOnDemand = false;
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checkpointData = {
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{
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{104679, uint256S("35eb87ae90d44b98898fec8c39577b76cb1eb08e1261cfc10706c8ce9a1d01cf")},
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{145000, uint256S("cc47cae70d7c5c92828d3214a266331dde59087d4a39071fa76ddfff9b7bde72")},
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{371337, uint256S("60323982f9c5ff1b5a954eac9dc1269352835f47c2c5222691d80f0d50dcf053")},
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{450000, uint256S("d279277f8f846a224d776450aa04da3cf978991a182c6f3075db4c48b173bbd7")},
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{550000, uint256S("ea8ed5430b221549a6a26f104b424ffd782ff4c8409bbbc5eaf3d83932825691")},
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{650000, uint256S("486fcebc9a7288676a7614e1b6fd085d5d71019aead17d354a8bc2c3fde516e9")},
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{771275, uint256S("1b7d789ed82cbdc640952e7e7a54966c6488a32eaad54fc39dff83f310dbaaed")},
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{1000000, uint256S("6aae55bea74235f0c80bd066349d4440c31f2d0f27d54265ecd484d8c1d11b47")},
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{1250000, uint256S("00c7a442055c1a990e11eea5371ca5c1c02a0677b33cc88ec728c45edc4ec060")},
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{1500000, uint256S("f1d32d6920de7b617d51e74bdf4e58adccaa582ffdc8657464454f16a952fca6")},
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{1750000, uint256S("5c8e7327984f0d6f59447d89d143e5f6eafc524c82ad95d176c5cec082ae2001")},
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{2000000, uint256S("9914f0e82e39bbf21950792e8816620d71b9965bdbbc14e72a95e3ab9618fea8")},
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{2031142, uint256S("893297d89afb7599a3c571ca31a3b80e8353f4cf39872400ad0f57d26c4c5d42")},
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}
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};
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chainTxData = ChainTxData{
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// Data from rpc: getchaintxstats 4096 0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8
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/* nTime */ 1514549787,
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/* nTxCount */ 32796624,
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/* dTxRate */ 0.04
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};
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/* disable fallback fee on mainnet */
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m_fallback_fee_enabled = false;
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}
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};
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/**
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* Testnet (v3)
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*/
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class CTestNetParams : public CChainParams {
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public:
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CTestNetParams() {
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strNetworkID = "test";
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consensus.nSubsidyHalvingInterval = 100000;
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consensus.BIP16Exception = uint256();
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// BIP34 is never enforced in Dogecoin v2 blocks, so we enforce from v3
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consensus.BIP34Height = 708658;
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consensus.BIP34Hash = uint256S("0x21b8b97dcdb94caa67c7f8f6dbf22e61e0cfe0e46e1fff3528b22864659e9b38");
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consensus.BIP65Height = 5000000; // Dogecoin: Use a stupidly high value as a placeholder until 1.14 locks this in
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consensus.BIP66Height = 708658; // 21b8b97dcdb94caa67c7f8f6dbf22e61e0cfe0e46e1fff3528b22864659e9b38 - this is the last block that could be v2, 1900 blocks past the last v2 block
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consensus.powLimit = uint256S("0x00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 20;
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consensus.nPowTargetTimespan = 4 * 60 * 60; // pre-digishield: 4 hours
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consensus.nPowTargetSpacing = 60; // 1 minute
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consensus.fPowAllowMinDifficultyBlocks = true;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
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consensus.nMinerConfirmationWindow = 240; // nPowTargetTimespan / nPowTargetSpacing
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
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// Deployment of BIP68, BIP112, and BIP113.
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// XXX: BIP heights and hashes all need to be updated to Dogecoin values
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1456790400; // March 1st, 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
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// Deployment of SegWit (BIP141, BIP143, and BIP147)
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1462060800; // May 1st 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 0; // Disabled
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000000001030d1382ade");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x0000000000000037a8cd3e06cd5edbfe9dd1dbcc5dacab279376ef7cfc2b4c75"); //1354312
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consensus.nAuxpowStartHeight = 158100;
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consensus.fStrictChainId = false;
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consensus.nLegacyBlocksBefore = -1;
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pchMessageStart[0] = 0xfc;
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pchMessageStart[1] = 0xc1;
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pchMessageStart[2] = 0xb7;
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pchMessageStart[3] = 0xdc;
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nDefaultPort = 44556;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1391503289, 997879, 0x1e0ffff0, 1, 88 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0xbb0a78264637406b6360aad926284d544d7049f45189db5664f3c4d07350559e"));
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assert(genesis.hashMerkleRoot == uint256S("0x5b2a3f53f605d62c53e62932dac6925e3d74afa5a4b459745c36d42d0ed26a69"));
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vFixedSeeds.clear();
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vSeeds.clear();
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// nodes with support for servicebits filtering should be at the top
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vSeeds.emplace_back("testseed.jrn.me.uk");
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,113);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,241);
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base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
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base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
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bech32_hrp = "tb";
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//TODO: fix this for dogecoin -- plddr
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//vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
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vFixedSeeds.clear();
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fDefaultConsistencyChecks = false;
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fRequireStandard = false;
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fMineBlocksOnDemand = false;
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checkpointData = {
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{
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{483173, uint256S("a804201ca0aceb7e937ef7a3c613a9b7589245b10cc095148c4ce4965b0b73b5")},
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{591117, uint256S("5f6b93b2c28cedf32467d900369b8be6700f0649388a7dbfd3ebd4a01b1ffad8")},
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{658924, uint256S("ed6c8324d9a77195ee080f225a0fca6346495e08ded99bcda47a8eea5a8a620b")},
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{703635, uint256S("839fa54617adcd582d53030a37455c14a87a806f6615aa8213f13e196230ff7f")},
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}
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};
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chainTxData = ChainTxData{
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// Data from rpc: getchaintxstats 4096 0000000000000037a8cd3e06cd5edbfe9dd1dbcc5dacab279376ef7cfc2b4c75
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/* nTime */ 1440601451,
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/* nTxCount */ 1119061,
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/* dTxRate */ 0.01
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};
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/* enable fallback fee on testnet */
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m_fallback_fee_enabled = true;
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}
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};
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/**
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* Regression test
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*/
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class CRegTestParams : public CChainParams {
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public:
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CRegTestParams() {
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strNetworkID = "regtest";
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consensus.nSubsidyHalvingInterval = 150;
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consensus.BIP16Exception = uint256();
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consensus.BIP34Height = 100000000; // BIP34 has not activated on regtest (far in the future so block v1 are not rejected in tests)
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consensus.BIP34Hash = uint256();
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consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests)
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consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in rpc activation tests)
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consensus.powLimit = uint256S("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 1;
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consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 10 * 60;
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consensus.fPowAllowMinDifficultyBlocks = true;
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consensus.fPowNoRetargeting = true;
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consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
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consensus.nMinerConfirmationWindow = 60; // Faster than normal for regtest (60 instead of 240)
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
|
|
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
|
|
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
|
|
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
|
|
|
|
// The best chain should have at least this much work.
|
|
consensus.nMinimumChainWork = uint256S("0x00");
|
|
|
|
// By default assume that the signatures in ancestors of this block are valid.
|
|
consensus.defaultAssumeValid = uint256S("0x00");
|
|
|
|
consensus.fStrictChainId = true;
|
|
consensus.nLegacyBlocksBefore = 0;
|
|
pchMessageStart[0] = 0xfa;
|
|
pchMessageStart[1] = 0xbf;
|
|
pchMessageStart[2] = 0xb5;
|
|
pchMessageStart[3] = 0xda;
|
|
nDefaultPort = 18444;
|
|
nPruneAfterHeight = 1000;
|
|
|
|
genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 88 * COIN);
|
|
consensus.hashGenesisBlock = genesis.GetHash();
|
|
assert(consensus.hashGenesisBlock == uint256S("0x3d2160a3b5dc4a9d62e7e66a295f70313ac808440ef7400d6c0772171ce973a5"));
|
|
// XXX: Fix for Dogecoin
|
|
// assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
|
|
|
|
vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
|
|
vSeeds.clear(); //!< Regtest mode doesn't have any DNS seeds.
|
|
|
|
fDefaultConsistencyChecks = true;
|
|
fRequireStandard = false;
|
|
fMineBlocksOnDemand = true;
|
|
|
|
checkpointData = {
|
|
{
|
|
{0, uint256S("3d2160a3b5dc4a9d62e7e66a295f70313ac808440ef7400d6c0772171ce973a5")},
|
|
}
|
|
};
|
|
|
|
chainTxData = ChainTxData{
|
|
0,
|
|
0,
|
|
0
|
|
};
|
|
|
|
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
|
|
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
|
|
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
|
|
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
|
|
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
|
|
|
|
bech32_hrp = "bcrt";
|
|
|
|
/* enable fallback fee on regtest */
|
|
m_fallback_fee_enabled = true;
|
|
}
|
|
};
|
|
|
|
static std::unique_ptr<CChainParams> globalChainParams;
|
|
|
|
const CChainParams &Params() {
|
|
assert(globalChainParams);
|
|
return *globalChainParams;
|
|
}
|
|
|
|
std::unique_ptr<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());
|
|
throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
|
|
}
|
|
|
|
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);
|
|
}
|