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chore: bump assumevalid, minchainwork, checkpoints, chaintxdata #6146

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Jul 24, 2024
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chore: bump assumevalid, minchainwork, checkpoints, chaintxdata #6146

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26 changes: 14 additions & 12 deletions src/chainparams.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -226,10 +226,10 @@ class CMainParams : public CChainParams {
consensus.vDeployments[Consensus::DEPLOYMENT_MN_RR].useEHF = true;

// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000009134566d753c5e08ab88"); // 2029000
consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000988117deadb0db9cd5b8"); // 2109672

// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x0000000000000020d5e38b6aef5bc8e430029444d7977b46f710c7d281ef1281"); // 2029000
consensus.defaultAssumeValid = uint256S("0x000000000000001889bd33ef019065e250d32bd46911f4003d3fdd8128b5358d"); // 2109672

/**
* The message start string is designed to be unlikely to occur in normal data.
Expand Down Expand Up @@ -336,19 +336,20 @@ class CMainParams : public CChainParams {
{1889000, uint256S("0x00000000000000075300e852d5bf5380f905b2768241f8b442498442084807a7")},
{1969000, uint256S("0x000000000000000c8b7a3bdcd8b9f516462122314529c8342244c685a4c899bf")},
{2029000, uint256S("0x0000000000000020d5e38b6aef5bc8e430029444d7977b46f710c7d281ef1281")},
{2109672, uint256S("0x000000000000001889bd33ef019065e250d32bd46911f4003d3fdd8128b5358d")},
}
};

m_assumeutxo_data = MapAssumeutxo{
// TODO to be specified in a future patch.
};

// getchaintxstats 17280 0000000000000020d5e38b6aef5bc8e430029444d7977b46f710c7d281ef1281
// getchaintxstats 17280 000000000000001889bd33ef019065e250d32bd46911f4003d3fdd8128b5358d
chainTxData = ChainTxData{
1709075370, // * UNIX timestamp of last known number of transactions (Block 1969000)
51654587, // * total number of transactions between genesis and that timestamp
1721769714, // * UNIX timestamp of last known number of transactions (Block 1969000)
53767892, // * total number of transactions between genesis and that timestamp
// (the tx=... number in the ChainStateFlushed debug.log lines)
0.1827081972006155, // * estimated number of transactions per second after that timestamp
0.1580795981751139, // * estimated number of transactions per second after that timestamp
};
}
};
Expand Down Expand Up @@ -426,10 +427,10 @@ class CTestNetParams : public CChainParams {
consensus.vDeployments[Consensus::DEPLOYMENT_MN_RR].useEHF = true;

// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000002ecd6cf5ad0f774"); // 960000
consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000031779704a0f54b4"); // 1069875
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assumevalid for testnet should be far in the past for case of any possible re-ogranization, like months behind.

If you still want to bump it for testnet, you may choose a block before MN_RR activation: my branch

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It's impossible to reorg testnet other than via an intentional hard-fork because it's chainlocked and in that case you'd might want to update these numbers anyway 🤷‍♂️


// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x0000000386cf5061ea16404c66deb83eb67892fa4f79b9e58e5eaab097ec2bd6"); // 960000
consensus.defaultAssumeValid = uint256S("0x00000034bfeb926662ba547c0b8dd4ba8cbb6e0c581f4e7d1bddce8f9ca3a608"); // 1069875

pchMessageStart[0] = 0xce;
pchMessageStart[1] = 0xe2;
Expand Down Expand Up @@ -512,19 +513,20 @@ class CTestNetParams : public CChainParams {
{851000, uint256S("0x0000014d3b875540ff75517b7fbb1714e25d50ce92f65d7086cfce357928bb02")},
{905100, uint256S("0x0000020c5e0f86f385cbf8e90210de9a9fd63633f01433bf47a6b3227a2851fd")},
{960000, uint256S("0x0000000386cf5061ea16404c66deb83eb67892fa4f79b9e58e5eaab097ec2bd6")},
{1069875, uint256S("0x00000034bfeb926662ba547c0b8dd4ba8cbb6e0c581f4e7d1bddce8f9ca3a608")},
}
};

m_assumeutxo_data = MapAssumeutxo{
// TODO to be specified in a future patch.
};

// getchaintxstats 17280 0000000386cf5061ea16404c66deb83eb67892fa4f79b9e58e5eaab097ec2bd6
// getchaintxstats 17280 00000034bfeb926662ba547c0b8dd4ba8cbb6e0c581f4e7d1bddce8f9ca3a608
chainTxData = ChainTxData{
1706545657, // * UNIX timestamp of last known number of transactions (Block 905100)
6159236, // * total number of transactions between genesis and that timestamp
1721770009, // * UNIX timestamp of last known number of transactions (Block 905100)
6548039, // * total number of transactions between genesis and that timestamp
// (the tx=... number in the ChainStateFlushed debug.log lines)
0.02150786927638326, // * estimated number of transactions per second after that timestamp
0.0152605485140752, // * estimated number of transactions per second after that timestamp
};
}
};
Expand Down
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