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feat: define BIP 9 fork DEPLOYMENT_V23 for new version featureset
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‎src/chainparams.cpp‎

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@@ -217,6 +217,15 @@ class CMainParams : public CChainParams {
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].useEHF = true;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].bit = 12;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nStartTime = 1751328000; // July 1, 2025
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nTimeout = 1782864000; // July 1, 2026
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nWindowSize = 4032;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdStart = 3226; // 80% of 4032
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdMin = 2420; // 60% of 4032
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].useEHF = true;
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000a39050764808db046f5c"); // 2216986
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@@ -414,6 +423,15 @@ class CTestNetParams : public CChainParams {
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].useEHF = true;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].bit = 12;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nStartTime = 1751328000; // July 1, 2025
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nWindowSize = 100;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdStart = 80; // 80% of 100
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdMin = 60; // 60% of 100
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].useEHF = true;
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000031f769ba78b4bee"); // 1189000
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@@ -586,6 +604,15 @@ class CDevNetParams : public CChainParams {
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].useEHF = true;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].bit = 12;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nStartTime = 1751328000; // July 1, 2025
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nWindowSize = 120;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdStart = 96; // 80% of 120
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdMin = 72; // 60% of 120
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].useEHF = true;
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000000000000000");
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@@ -822,6 +849,15 @@ class CRegTestParams : public CChainParams {
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_WITHDRAWALS].useEHF = true;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].bit = 12;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nWindowSize = 350;
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdStart = 350 / 5 * 4; // 80% of window size
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nThresholdMin = 350 / 5 * 3; // 60% of window size
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].nFalloffCoeff = 5; // this corresponds to 10 periods
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consensus.vDeployments[Consensus::DEPLOYMENT_V23].useEHF = true;
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00");
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‎src/consensus/params.h‎

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@@ -40,6 +40,7 @@ constexpr bool ValidDeployment(BuriedDeployment dep) { return dep <= DEPLOYMENT_
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enum DeploymentPos : uint16_t {
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DEPLOYMENT_TESTDUMMY,
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DEPLOYMENT_WITHDRAWALS, // Deployment of Fix for quorum selection for withdrawals
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DEPLOYMENT_V23, // Deployment of doubling withdrawal limit, extended addresses
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// NOTE: Also add new deployments to VersionBitsDeploymentInfo in deploymentinfo.cpp
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MAX_VERSION_BITS_DEPLOYMENTS
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};

‎src/deploymentinfo.cpp‎

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@@ -15,6 +15,10 @@ const struct VBDeploymentInfo VersionBitsDeploymentInfo[Consensus::MAX_VERSION_B
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/*.name =*/"withdrawals",
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/*.gbt_force =*/true,
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},
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{
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/*.name =*/"v23",
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/*.gbt_force =*/true,
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},
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};
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std::string DeploymentName(Consensus::BuriedDeployment dep)

‎src/rpc/blockchain.cpp‎

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Original file line numberDiff line numberDiff line change
@@ -1543,6 +1543,7 @@ RPCHelpMan getblockchaininfo()
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}
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for (auto ehf_deploy : { /* sorted by activation block */
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Consensus::DEPLOYMENT_WITHDRAWALS,
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Consensus::DEPLOYMENT_V23,
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Consensus::DEPLOYMENT_TESTDUMMY }) {
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SoftForkDescPushBack(&tip, ehfSignals, softforks, consensusParams, ehf_deploy);
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}

‎test/functional/rpc_blockchain.py‎

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@@ -225,6 +225,17 @@ def _test_getblockchaininfo(self):
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'ehf': True
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},
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'active': False},
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'v23': {
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'type': 'bip9',
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'bip9': {
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'status': 'defined',
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'start_time': 0,
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'timeout': 9223372036854775807, # "v23" does not have a timeout so is set to the max int64 value
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'since': 0,
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'min_activation_height': 0,
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'ehf': True
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},
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'active': False},
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'testdummy': {
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'type': 'bip9',
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'bip9': {

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