Merge pull request #3703 from PastaPastaPasta/backport-v16-realloc

[v0.16.x] Backport v16 realloc

src/chainparams.cpp

@@ -82,15 +82,21 @@ static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits
 }
 
 
-void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold)
+void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThresholdStart, int64_t nThresholdMin, int64_t nFalloffCoeff)
 {
     consensus.vDeployments[d].nStartTime = nStartTime;
     consensus.vDeployments[d].nTimeout = nTimeout;
     if (nWindowSize != -1) {
             consensus.vDeployments[d].nWindowSize = nWindowSize;
     }
-    if (nThreshold != -1) {
+    if (nThresholdStart != -1) {
-            consensus.vDeployments[d].nThreshold = nThreshold;
+        consensus.vDeployments[d].nThresholdStart = nThresholdStart;
+    }
+    if (nThresholdMin != -1) {
+        consensus.vDeployments[d].nThresholdMin = nThresholdMin;
+    }
+    if (nFalloffCoeff != -1) {
+        consensus.vDeployments[d].nFalloffCoeff = nFalloffCoeff;
     }
 }
 
@@ -320,28 +326,37 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nStartTime = 1508025600; // Oct 15th, 2017
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nTimeout = 1539561600; // Oct 15th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 4032;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 3226; // 80% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThresholdStart = 3226; // 80% of 4032
 
         // Deployment of BIP147
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1524477600; // Apr 23th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1556013600; // Apr 23th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 4032;
-        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 3226; // 80% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThresholdStart = 3226; // 80% of 4032
 
         // Deployment of DIP0003
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].bit = 3;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nStartTime = 1546300800; // Jan 1st, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nTimeout = 1577836800; // Jan 1st, 2020
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nWindowSize = 4032;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThreshold = 3226; // 80% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThresholdStart = 3226; // 80% of 4032
 
         // Deployment of DIP0008
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].bit = 4;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nStartTime = 1557878400; // May 15th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nTimeout = 1589500800; // May 15th, 2020
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nWindowSize = 4032;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThreshold = 3226; // 80% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThresholdStart = 3226; // 80% of 4032
+
+        // Deployment of Block Reward Reallocation
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].bit = 5;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nStartTime = 1601510400; // Oct 1st, 2020
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nTimeout = 1633046400; // Oct 1st, 2021
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nWindowSize = 4032;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdStart = 3226; // 80% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdMin = 2420; // 60% of 4032
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nFalloffCoeff = 5; // this corresponds to 10 periods
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000027b81f49774e9f7fc93f"); // 1215000
@@ -507,28 +522,37 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nStartTime = 1544655600; // Dec 13th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nTimeout = 1576191600; // Dec 13th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThresholdStart = 50; // 50% of 100
 
         // Deployment of BIP147
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1544655600; // Dec 13th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1576191600; // Dec 13th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThresholdStart = 50; // 50% of 100
 
         // Deployment of DIP0003
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].bit = 3;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nStartTime = 1544655600; // Dec 13th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nTimeout = 1576191600; // Dec 13th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThresholdStart = 50; // 50% of 100
 
         // Deployment of DIP0008
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].bit = 4;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nStartTime = 1553126400; // Mar 21st, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nTimeout = 1584748800; // Mar 21st, 2020
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThresholdStart = 50; // 50% of 100
+
+        // Deployment of Block Reward Reallocation
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].bit = 5;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nStartTime = 1598918400; // Sep 1st, 2020
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nTimeout = 1630454400; // Sep 1st, 2021
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nWindowSize = 100;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdStart = 80; // 80% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdMin = 60; // 60% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nFalloffCoeff = 5; // this corresponds to 10 periods
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000000ac720e0b2ed13d"); // 260000
@@ -666,28 +690,37 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nStartTime = 1505692800; // Sep 18th, 2017
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nTimeout = 1537228800; // Sep 18th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0001].nThresholdStart = 50; // 50% of 100
 
         // Deployment of BIP147
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].bit = 2;
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nStartTime = 1517792400; // Feb 5th, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nTimeout = 1549328400; // Feb 5th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_BIP147].nThresholdStart = 50; // 50% of 100
 
         // Deployment of DIP0003
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].bit = 3;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nStartTime = 1535752800; // Sep 1st, 2018
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nTimeout = 1567288800; // Sep 1st, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThresholdStart = 50; // 50% of 100
 
         // Deployment of DIP0008
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].bit = 4;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nStartTime = 1553126400; // Mar 21st, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nTimeout = 1900281600; // Mar 21st, 2030
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nWindowSize = 100;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThreshold = 50; // 50% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nThresholdStart = 50; // 50% of 100
+
+        // Deployment of Block Reward Reallocation
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].bit = 5;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nStartTime = 1598918400; // Sep 1st, 2020
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nTimeout = 1900281600; // Mar 21st, 2030
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nWindowSize = 100;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdStart = 80; // 80% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdMin = 60; // 60% of 100
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nFalloffCoeff = 5; // this corresponds to 10 periods
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000000000000000");
@@ -827,6 +860,13 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].bit = 4;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nStartTime = 0;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0008].nTimeout = 999999999999ULL;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].bit = 5;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nStartTime = 0;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nTimeout = 999999999999ULL;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nWindowSize = 500;
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdStart = 400; // 80%
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nThresholdMin = 300; // 60%
+        consensus.vDeployments[Consensus::DEPLOYMENT_REALLOC].nFalloffCoeff = 5;
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S("0x00");
@@ -928,9 +968,9 @@ void SelectParams(const std::string& network)
     globalChainParams = CreateChainParams(network);
 }
 
-void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold)
+void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThresholdStart, int64_t nThresholdMin, int64_t nFalloffCoeff)
 {
-    globalChainParams->UpdateVersionBitsParameters(d, nStartTime, nTimeout, nWindowSize, nThreshold);
+    globalChainParams->UpdateVersionBitsParameters(d, nStartTime, nTimeout, nWindowSize, nThresholdStart, nThresholdMin, nFalloffCoeff);
 }
 
 void UpdateDIP3Parameters(int nActivationHeight, int nEnforcementHeight)

src/chainparams.h

@@ -81,7 +81,7 @@ public:
     const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; }
     const CCheckpointData& Checkpoints() const { return checkpointData; }
     const ChainTxData& TxData() const { return chainTxData; }
-    void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold);
+    void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThresholdStart, int64_t nThresholdMin, int64_t nFalloffCoeff);
     void UpdateDIP3Parameters(int nActivationHeight, int nEnforcementHeight);
     void UpdateBudgetParameters(int nMasternodePaymentsStartBlock, int nBudgetPaymentsStartBlock, int nSuperblockStartBlock);
     void UpdateSubsidyAndDiffParams(int nMinimumDifficultyBlocks, int nHighSubsidyBlocks, int nHighSubsidyFactor);
@@ -151,7 +151,7 @@ void SelectParams(const std::string& chain);
 /**
  * Allows modifying the Version Bits regtest parameters.
  */
-void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold);
+void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThresholdStart, int64_t nThresholdMin, int64_t nFalloffCoeff);
 
 /**
  * Allows modifying the DIP3 activation and enforcement height

src/consensus/params.h

@@ -20,6 +20,7 @@ enum DeploymentPos
     DEPLOYMENT_BIP147, // Deployment of BIP147 (NULLDUMMY)
     DEPLOYMENT_DIP0003, // Deployment of DIP0002 and DIP0003 (txv3 and deterministic MN lists)
     DEPLOYMENT_DIP0008, // Deployment of ChainLock enforcement
+    DEPLOYMENT_REALLOC, // Deployment of Block Reward Reallocation
     // NOTE: Also add new deployments to VersionBitsDeploymentInfo in versionbits.cpp
     MAX_VERSION_BITS_DEPLOYMENTS
 };
@@ -36,8 +37,12 @@ struct BIP9Deployment {
     int64_t nTimeout;
     /** The number of past blocks (including the block under consideration) to be taken into account for locking in a fork. */
     int64_t nWindowSize{0};
-    /** A number of blocks, in the range of 1..nWindowSize, which must signal for a fork in order to lock it in. */
+    /** A starting number of blocks, in the range of 1..nWindowSize, which must signal for a fork in order to lock it in. */
-    int64_t nThreshold{0};
+    int64_t nThresholdStart{0};
+    /** A minimum number of blocks, in the range of 1..nWindowSize, which must signal for a fork in order to lock it in. */
+    int64_t nThresholdMin{0};
+    /** A coefficient which adjusts the speed a required number of signaling blocks is decreasing from nThresholdStart to nThresholdMin at with each period. */
+    int64_t nFalloffCoeff{0};
 };
 
 enum LLMQType : uint8_t
@@ -157,7 +162,7 @@ struct Params {
     /**
      * Minimum blocks including miner confirmation of the total of nMinerConfirmationWindow blocks in a retargeting period,
      * (nPowTargetTimespan / nPowTargetSpacing) which is also used for BIP9 deployments.
-     * Default BIP9Deployment::nThreshold value for deployments where it's not specified and for unknown deployments.
+     * Default BIP9Deployment::nThresholdStart value for deployments where it's not specified and for unknown deployments.
      * Examples: 1916 for 95%, 1512 for testchains.
      */
     uint32_t nRuleChangeActivationThreshold;

src/init.cpp

@@ -1351,10 +1351,10 @@ bool AppInitParameterInteraction()
         for (const std::string& strDeployment : gArgs.GetArgs("-vbparams")) {
             std::vector<std::string> vDeploymentParams;
             boost::split(vDeploymentParams, strDeployment, boost::is_any_of(":"));
-            if (vDeploymentParams.size() != 3 && vDeploymentParams.size() != 5) {
+            if (vDeploymentParams.size() != 3 && vDeploymentParams.size() != 5 && vDeploymentParams.size() != 7) {
-                return InitError("Version bits parameters malformed, expecting deployment:start:end or deployment:start:end:window:threshold");
+                return InitError("Version bits parameters malformed, expecting deployment:start:end or deployment:start:end:window:threshold or deployment:start:end:window:thresholdstart:thresholdmin:falloffcoeff");
             }
-            int64_t nStartTime, nTimeout, nWindowSize = -1, nThreshold = -1;
+            int64_t nStartTime, nTimeout, nWindowSize = -1, nThresholdStart = -1, nThresholdMin = -1, nFalloffCoeff = -1;
             if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
                 return InitError(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
             }
@@ -1365,17 +1365,26 @@ bool AppInitParameterInteraction()
                 if (!ParseInt64(vDeploymentParams[3], &nWindowSize)) {
                     return InitError(strprintf("Invalid nWindowSize (%s)", vDeploymentParams[3]));
                 }
-                if (!ParseInt64(vDeploymentParams[4], &nThreshold)) {
+                if (!ParseInt64(vDeploymentParams[4], &nThresholdStart)) {
-                    return InitError(strprintf("Invalid nThreshold (%s)", vDeploymentParams[4]));
+                    return InitError(strprintf("Invalid nThresholdStart (%s)", vDeploymentParams[4]));
+                }
+            }
+            if (vDeploymentParams.size() == 7) {
+                if (!ParseInt64(vDeploymentParams[5], &nThresholdMin)) {
+                    return InitError(strprintf("Invalid nThresholdMin (%s)", vDeploymentParams[5]));
+                }
+                if (!ParseInt64(vDeploymentParams[6], &nFalloffCoeff)) {
+                    return InitError(strprintf("Invalid nFalloffCoeff (%s)", vDeploymentParams[6]));
                 }
             }
             bool found = false;
             for (int j=0; j<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j)
             {
                 if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[j].name) == 0) {
-                    UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout, nWindowSize, nThreshold);
+                    UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout, nWindowSize, nThresholdStart, nThresholdMin, nFalloffCoeff);
                     found = true;
-                    LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld, window=%ld, threshold=%ld\n", vDeploymentParams[0], nStartTime, nTimeout, nWindowSize, nThreshold);
+                    LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld, window=%ld, thresholdstart=%ld, thresholdmin=%ld, falloffcoeff=%ld\n",
+                            vDeploymentParams[0], nStartTime, nTimeout, nWindowSize, nThresholdStart, nThresholdMin, nFalloffCoeff);
                     break;
                 }
             }

src/masternode/masternode-payments.cpp

@@ -319,14 +319,22 @@ bool CMasternodePayments::GetBlockTxOuts(int nBlockHeight, CAmount blockReward,
 {
     voutMasternodePaymentsRet.clear();
 
-    CAmount masternodeReward = GetMasternodePayment(nBlockHeight, blockReward);
-
     const CBlockIndex* pindex;
+    int nReallocActivationHeight{std::numeric_limits<int>::max()};
+
     {
         LOCK(cs_main);
         pindex = chainActive[nBlockHeight - 1];
+
+        const Consensus::Params& consensusParams = Params().GetConsensus();
+        if (VersionBitsState(pindex, consensusParams, Consensus::DEPLOYMENT_REALLOC, versionbitscache) == THRESHOLD_ACTIVE) {
+            nReallocActivationHeight = VersionBitsStateSinceHeight(pindex, consensusParams, Consensus::DEPLOYMENT_REALLOC, versionbitscache);
+        }
     }
     uint256 proTxHash;
+
+    CAmount masternodeReward = GetMasternodePayment(nBlockHeight, blockReward, nReallocActivationHeight);
+
     auto dmnPayee = deterministicMNManager->GetListForBlock(pindex).GetMNPayee();
     if (!dmnPayee) {
         return false;

src/test/versionbits_tests.cpp

@@ -25,7 +25,7 @@ public:
     int64_t BeginTime(const Consensus::Params& params) const override { return TestTime(10000); }
     int64_t EndTime(const Consensus::Params& params) const override { return TestTime(20000); }
     int Period(const Consensus::Params& params) const override { return 1000; }
-    int Threshold(const Consensus::Params& params) const override { return 900; }
+    int Threshold(const Consensus::Params& params, int nAttempt) const override { return 900; }
     bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const override { return (pindex->nVersion & 0x100); }
 
     ThresholdState GetStateFor(const CBlockIndex* pindexPrev) const { return AbstractThresholdConditionChecker::GetStateFor(pindexPrev, paramsDummy, cache); }

src/validation.cpp

@@ -1155,7 +1155,7 @@ CAmount GetBlockSubsidy(int nPrevBits, int nPrevHeight, const Consensus::Params&
     return fSuperblockPartOnly ? nSuperblockPart : nSubsidy - nSuperblockPart;
 }
 
-CAmount GetMasternodePayment(int nHeight, CAmount blockValue)
+CAmount GetMasternodePayment(int nHeight, CAmount blockValue, int nReallocActivationHeight)
 {
     CAmount ret = blockValue/5; // start at 20%
 
@@ -1173,7 +1173,47 @@ CAmount GetMasternodePayment(int nHeight, CAmount blockValue)
     if(nHeight > nMNPIBlock+(nMNPIPeriod* 7)) ret += blockValue / 40; // 278960 - 47.5% - 2015-06-01
     if(nHeight > nMNPIBlock+(nMNPIPeriod* 9)) ret += blockValue / 40; // 313520 - 50.0% - 2015-08-03
 
+    if (nHeight < nReallocActivationHeight) {
+        // Block Reward Realocation is not activated yet, nothing to do
         return ret;
+    }
+
+    int nSuperblockCycle = Params().GetConsensus().nSuperblockCycle;
+    // Actual realocation starts in the cycle next to one activation happens in
+    int nReallocStart = nReallocActivationHeight - nReallocActivationHeight % nSuperblockCycle + nSuperblockCycle;
+
+    if (nHeight < nReallocStart) {
+        // Activated but we have to wait for the next cycle to start realocation, nothing to do
+        return ret;
+    }
+
+    // Periods used to reallocate the masternode reward from 50% to 60%
+    static std::vector<int> vecPeriods{
+        513, // Period 1:  51.3%
+        526, // Period 2:  52.6%
+        533, // Period 3:  53.3%
+        540, // Period 4:  54%
+        546, // Period 5:  54.6%
+        552, // Period 6:  55.2%
+        557, // Period 7:  55.7%
+        562, // Period 8:  56.2%
+        567, // Period 9:  56.7%
+        572, // Period 10: 57.2%
+        577, // Period 11: 57.7%
+        582, // Period 12: 58.2%
+        585, // Period 13: 58.5%
+        588, // Period 14: 58.8%
+        591, // Period 15: 59.1%
+        594, // Period 16: 59.4%
+        597, // Period 17: 59.7%
+        599, // Period 18: 59.9%
+        600  // Period 19: 60%
+    };
+
+    int nReallocCycle = nSuperblockCycle * 3;
+    int nCurrentPeriod = std::min<int>((nHeight - nReallocStart) / nReallocCycle, vecPeriods.size() - 1);
+
+    return static_cast<CAmount>(blockValue * vecPeriods[nCurrentPeriod] / 1000);
 }
 
 bool IsInitialBlockDownload()
@@ -1875,7 +1915,7 @@ public:
     int64_t BeginTime(const Consensus::Params& params) const override { return 0; }
     int64_t EndTime(const Consensus::Params& params) const override { return std::numeric_limits<int64_t>::max(); }
     int Period(const Consensus::Params& params) const override { return params.nMinerConfirmationWindow; }
-    int Threshold(const Consensus::Params& params) const override { return params.nRuleChangeActivationThreshold; }
+    int Threshold(const Consensus::Params& params, int nAttempt) const override { return params.nRuleChangeActivationThreshold; }
 
     bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const override
     {
@@ -4855,7 +4895,7 @@ ThresholdState VersionBitsTipState(const Consensus::Params& params, Consensus::D
 BIP9Stats VersionBitsTipStatistics(const Consensus::Params& params, Consensus::DeploymentPos pos)
 {
     LOCK(cs_main);
-    return VersionBitsStatistics(chainActive.Tip(), params, pos);
+    return VersionBitsStatistics(chainActive.Tip(), params, pos, versionbitscache);
 }
 
 int VersionBitsTipStateSinceHeight(const Consensus::Params& params, Consensus::DeploymentPos pos)

src/validation.h

@@ -283,7 +283,7 @@ bool ActivateBestChain(CValidationState& state, const CChainParams& chainparams,
 
 double ConvertBitsToDouble(unsigned int nBits);
 CAmount GetBlockSubsidy(int nBits, int nHeight, const Consensus::Params& consensusParams, bool fSuperblockPartOnly = false);
-CAmount GetMasternodePayment(int nHeight, CAmount blockValue);
+CAmount GetMasternodePayment(int nHeight, CAmount blockValue, int nReallocActivationHeight = std::numeric_limits<int>::max() /* not activated */);
 
 /** Guess verification progress (as a fraction between 0.0=genesis and 1.0=current tip). */
 double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex* pindex);

src/versionbits.cpp

@@ -35,13 +35,17 @@ const struct VBDeploymentInfo VersionBitsDeploymentInfo[Consensus::MAX_VERSION_B
         /*.name =*/ "dip0008",
         /*.gbt_force =*/ true,
         /*.check_mn_protocol =*/ false,
-    }
+    },
+    {
+        /*.name =*/ "realloc",
+        /*.gbt_force =*/ true,
+        /*.check_mn_protocol =*/ false,
+    },
 };
 
 ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const
 {
     int nPeriod = Period(params);
-    int nThreshold = Threshold(params);
     int64_t nTimeStart = BeginTime(params);
     int64_t nTimeTimeout = EndTime(params);
 
@@ -71,6 +75,13 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex*
     assert(cache.count(pindexPrev));
     ThresholdState state = cache[pindexPrev];
 
+    int nStartHeight{std::numeric_limits<int>::max()};
+    for (const auto& pair : cache) {
+        if (pair.second == THRESHOLD_STARTED && nStartHeight > pair.first->nHeight + 1) {
+            nStartHeight = pair.first->nHeight + 1;
+        }
+    }
+
     // Now walk forward and compute the state of descendants of pindexPrev
     while (!vToCompute.empty()) {
         ThresholdState stateNext = state;
@@ -83,6 +94,7 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex*
                     stateNext = THRESHOLD_FAILED;
                 } else if (pindexPrev->GetMedianTimePast() >= nTimeStart) {
                     stateNext = THRESHOLD_STARTED;
+                    nStartHeight = pindexPrev->nHeight + 1;
                 }
                 break;
             }
@@ -100,7 +112,9 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex*
                     }
                     pindexCount = pindexCount->pprev;
                 }
-                if (count >= nThreshold) {
+                assert(nStartHeight > 0 && nStartHeight < std::numeric_limits<int>::max());
+                int nAttempt = (pindexCount->nHeight + 1 - nStartHeight) / nPeriod;
+                if (count >= Threshold(params, nAttempt)) {
                     stateNext = THRESHOLD_LOCKED_IN;
                 }
                 break;
@@ -123,12 +137,12 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex*
 }
 
 // return the numerical statistics of blocks signalling the specified BIP9 condition in this current period
-BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const
+BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params, ThresholdConditionCache& cache) const
 {
     BIP9Stats stats = {};
 
     stats.period = Period(params);
-    stats.threshold = Threshold(params);
+    stats.threshold = Threshold(params, 0);
 
     if (pindex == nullptr)
         return stats;
@@ -137,6 +151,15 @@ BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockI
     const CBlockIndex* pindexEndOfPrevPeriod = pindex->GetAncestor(pindex->nHeight - ((pindex->nHeight + 1) % stats.period));
     stats.elapsed = pindex->nHeight - pindexEndOfPrevPeriod->nHeight;
 
+    // Re-calculate current threshold
+    int nAttempt{0};
+    const ThresholdState state = GetStateFor(pindexEndOfPrevPeriod, params, cache);
+    if (state == THRESHOLD_STARTED) {
+        int nStartHeight = GetStateSinceHeightFor(pindexEndOfPrevPeriod, params, cache);
+        nAttempt = (pindexEndOfPrevPeriod->nHeight + 1 - nStartHeight)/stats.period;
+    }
+    stats.threshold = Threshold(params, nAttempt);
+
     // Count from current block to beginning of period
     int count = 0;
     const CBlockIndex* currentIndex = pindex;
@@ -195,7 +218,17 @@ protected:
     int64_t BeginTime(const Consensus::Params& params) const override { return params.vDeployments[id].nStartTime; }
     int64_t EndTime(const Consensus::Params& params) const override { return params.vDeployments[id].nTimeout; }
     int Period(const Consensus::Params& params) const override { return params.vDeployments[id].nWindowSize ? params.vDeployments[id].nWindowSize : params.nMinerConfirmationWindow; }
-    int Threshold(const Consensus::Params& params) const override { return params.vDeployments[id].nThreshold ? params.vDeployments[id].nThreshold : params.nRuleChangeActivationThreshold; }
+    int Threshold(const Consensus::Params& params, int nAttempt) const override
+    {
+        if (params.vDeployments[id].nThresholdStart == 0) {
+            return params.nRuleChangeActivationThreshold;
+        }
+        if (params.vDeployments[id].nThresholdMin == 0 || params.vDeployments[id].nFalloffCoeff == 0) {
+            return params.vDeployments[id].nThresholdStart;
+        }
+        int64_t nThresholdCalc = params.vDeployments[id].nThresholdStart - nAttempt * nAttempt * Period(params) / 100 / params.vDeployments[id].nFalloffCoeff;
+        return std::max(params.vDeployments[id].nThresholdMin, nThresholdCalc);
+    }
 
     bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const override
     {
@@ -214,9 +247,9 @@ ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::
     return VersionBitsConditionChecker(pos).GetStateFor(pindexPrev, params, cache.caches[pos]);
 }
 
-BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos)
+BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache)
 {
-    return VersionBitsConditionChecker(pos).GetStateStatisticsFor(pindexPrev, params);
+    return VersionBitsConditionChecker(pos).GetStateStatisticsFor(pindexPrev, params, cache.caches[pos]);
 }
 
 int VersionBitsStateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache)

src/versionbits.h

@@ -58,10 +58,10 @@ protected:
     virtual int64_t BeginTime(const Consensus::Params& params) const =0;
     virtual int64_t EndTime(const Consensus::Params& params) const =0;
     virtual int Period(const Consensus::Params& params) const =0;
-    virtual int Threshold(const Consensus::Params& params) const =0;
+    virtual int Threshold(const Consensus::Params& params, int nAttempt) const =0;
 
 public:
-    BIP9Stats GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const;
+    BIP9Stats GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params, ThresholdConditionCache& cache) const;
     // Note that the functions below take a pindexPrev as input: they compute information for block B based on its parent.
     ThresholdState GetStateFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const;
     int GetStateSinceHeightFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const;
@@ -75,7 +75,7 @@ struct VersionBitsCache
 };
 
 ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
-BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos);
+BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
 int VersionBitsStateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
 uint32_t VersionBitsMask(const Consensus::Params& params, Consensus::DeploymentPos pos);
 

test/functional/dip3-deterministicmns.py

@@ -392,7 +392,11 @@ class DIP3Test(BitcoinTestFramework):
         coinbasevalue += new_fees
 
         if mn_amount is None:
-            mn_amount = get_masternode_payment(height, coinbasevalue)
+            realloc_info = get_bip9_status(self.nodes[0], 'realloc')
+            realloc_height = 99999999
+            if realloc_info['status'] == 'active':
+                realloc_height = realloc_info['since']
+            mn_amount = get_masternode_payment(height, coinbasevalue, realloc_height)
         miner_amount = coinbasevalue - mn_amount
 
         outputs = {miner_address: str(Decimal(miner_amount) / COIN)}

test/functional/feature_block_reward_reallocation.py

@@ -0,0 +1,207 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2020 The Dash Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+from test_framework.blocktools import create_block, create_coinbase, get_masternode_payment
+from test_framework.mininode import *
+from test_framework.script import CScript
+from test_framework.test_framework import DashTestFramework
+from test_framework.util import assert_equal, get_bip9_status, hex_str_to_bytes
+
+'''
+feature_block_reward_reallocation.py
+
+Checks block reward reallocation correctness
+
+'''
+
+class BlockRewardReallocationTest(DashTestFramework):
+    def set_test_params(self):
+        self.set_dash_test_params(4, 3, fast_dip3_enforcement=True)
+        self.set_dash_dip8_activation(450)
+
+    # 536870912 == 0x20000000, i.e. not signalling for anything
+    def create_test_block(self, version=536870912):
+        self.bump_mocktime(150)
+        bt = self.nodes[0].getblocktemplate()
+        tip = int(bt['previousblockhash'], 16)
+        nextheight = bt['height']
+
+        coinbase = create_coinbase(nextheight)
+        coinbase.nVersion = 3
+        coinbase.nType = 5 # CbTx
+        coinbase.vout[0].nValue = bt['coinbasevalue']
+        for mn in bt['masternode']:
+            coinbase.vout.append(CTxOut(mn['amount'], CScript(hex_str_to_bytes(mn['script']))))
+            coinbase.vout[0].nValue -= mn['amount']
+        cbtx = FromHex(CCbTx(), bt['coinbase_payload'])
+        coinbase.vExtraPayload = cbtx.serialize()
+        coinbase.rehash()
+        coinbase.calc_sha256()
+
+        block = create_block(tip, coinbase, self.mocktime)
+        block.nVersion = version
+        # Add quorum commitments from template
+        for tx in bt['transactions']:
+            tx2 = FromHex(CTransaction(), tx['data'])
+            if tx2.nType == 6:
+                block.vtx.append(tx2)
+        block.hashMerkleRoot = block.calc_merkle_root()
+        block.rehash()
+        block.solve()
+        return block
+
+    def signal(self, num_blocks, expected_lockin):
+        self.log.info("Signal with %d/500 blocks" % (num_blocks))
+        # create and send non-signalling blocks
+        for i in range(500 - num_blocks):
+            test_block = self.create_test_block()
+            self.nodes[0].p2p.send_blocks_and_test([test_block], self.nodes[0], timeout=5)
+        # generate at most 10 signaling blocks at a time
+        if num_blocks > 0:
+            for i in range((num_blocks - 1) // 10):
+                self.bump_mocktime(10)
+                self.nodes[0].generate(10)
+                self.sync_blocks()
+            self.nodes[0].generate((num_blocks - 1) % 10)
+            self.sync_blocks()
+            assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'started')
+            self.nodes[0].generate(1)
+        self.sync_blocks()
+        if expected_lockin:
+            assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'locked_in')
+        else:
+            assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'started')
+
+    def threshold(self, attempt):
+        threshold_calc = 400 - attempt * attempt
+        if threshold_calc < 300:
+            return 300
+        return threshold_calc
+
+    def run_test(self):
+        self.log.info("Wait for DIP3 to activate")
+        while get_bip9_status(self.nodes[0], 'dip0003')['status'] != 'active':
+            self.bump_mocktime(10)
+            self.nodes[0].generate(10)
+        self.sync_blocks()
+
+        self.nodes[0].add_p2p_connection(P2PDataStore())
+        network_thread_start()
+        self.nodes[0].p2p.wait_for_verack()
+
+        self.log.info("Mine all but one remaining block in the window")
+        bi = self.nodes[0].getblockchaininfo()
+        for i in range(498 - bi['blocks']):
+            self.bump_mocktime(1)
+            self.nodes[0].generate(1)
+        self.sync_blocks()
+
+        self.log.info("Initial state is DEFINED")
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 498)
+        assert_equal(bi['bip9_softforks']['realloc']['status'], 'defined')
+
+        self.log.info("Advance from DEFINED to STARTED at height = 499")
+        self.nodes[0].generate(1)
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 499)
+        assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
+        assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(0))
+
+        self.signal(399, False) # 1 block short
+
+        self.log.info("Still STARTED but new threshold should be lower at height = 999")
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 999)
+        assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(1))
+
+        self.signal(398, False) # 1 block short again
+
+        self.log.info("Still STARTED but new threshold should be even lower at height = 1499")
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 1499)
+        assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(2))
+        pre_locked_in_blockhash = bi['bestblockhash']
+
+        self.signal(396, True) # just enough to lock in
+        self.log.info("Advanced to LOCKED_IN at height = 1999")
+
+        for i in range(49):
+            self.bump_mocktime(10)
+            self.nodes[0].generate(10)
+            self.sync_blocks()
+        self.nodes[0].generate(9)
+        self.sync_blocks()
+
+        self.log.info("Still LOCKED_IN at height = 2498")
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 2498)
+        assert_equal(bi['bip9_softforks']['realloc']['status'], 'locked_in')
+
+        self.log.info("Advance from LOCKED_IN to ACTIVE at height = 2499")
+        self.nodes[0].generate(1) # activation
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 2499)
+        assert_equal(bi['bip9_softforks']['realloc']['status'], 'active')
+        assert_equal(bi['bip9_softforks']['realloc']['since'], 2500)
+
+        self.log.info("Reward split should stay ~50/50 before the first superblock after activation")
+        # This applies even if reallocation was activated right at superblock height like it does here
+        bt = self.nodes[0].getblocktemplate()
+        assert_equal(bt['height'], 2500)
+        assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
+        self.nodes[0].generate(9)
+        self.sync_blocks()
+        bt = self.nodes[0].getblocktemplate()
+        assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
+        assert_equal(bt['coinbasevalue'], 13748571607)
+        assert_equal(bt['masternode'][0]['amount'], 6874285801) # 0.4999999998
+
+        self.log.info("Reallocation should kick-in with the superblock mined at height = 2010")
+        for period in range(19): # there will be 19 adjustments, 3 superblocks long each
+            for i in range(3):
+                self.bump_mocktime(10)
+                self.nodes[0].generate(10)
+                self.sync_blocks()
+                bt = self.nodes[0].getblocktemplate()
+                assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
+
+        self.log.info("Reward split should reach ~60/40 after reallocation is done")
+        assert_equal(bt['coinbasevalue'], 10221599170)
+        assert_equal(bt['masternode'][0]['amount'], 6132959502) # 0.6
+
+        self.log.info("Reward split should stay ~60/40 after reallocation is done")
+        for period in range(10): # check 10 next superblocks
+            self.bump_mocktime(10)
+            self.nodes[0].generate(10)
+            self.sync_blocks()
+            bt = self.nodes[0].getblocktemplate()
+            assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
+        assert_equal(bt['coinbasevalue'], 9491484944)
+        assert_equal(bt['masternode'][0]['amount'], 5694890966) # 0.6
+
+        self.log.info("Rollback the chain back to the STARTED state")
+        self.mocktime = self.nodes[0].getblock(pre_locked_in_blockhash, 1)['time']
+        for node in self.nodes:
+            node.invalidateblock(pre_locked_in_blockhash)
+        self.sync_all()
+        # create and send non-signalling block
+        test_block = self.create_test_block()
+        self.nodes[0].p2p.send_blocks_and_test([test_block], self.nodes[0], timeout=5)
+        bi = self.nodes[0].getblockchaininfo()
+        assert_equal(bi['blocks'], 1499)
+        assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
+        assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(2))
+
+        self.log.info("Check thresholds reach min level and stay there")
+        for i in range(8): # 7 to reach min level and 1 more to check it doesn't go lower than that
+            self.signal(0, False) # no need to signal
+            bi = self.nodes[0].getblockchaininfo()
+            assert_equal(bi['blocks'], 1999 + i * 500)
+            assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
+            assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(i + 3))
+        assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], 300)
+
+if __name__ == '__main__':
+    BlockRewardReallocationTest().main()

test/functional/llmq-is-cl-conflicts.py

@@ -9,7 +9,7 @@ from test_framework import mininode
 from test_framework.blocktools import get_masternode_payment, create_coinbase, create_block
 from test_framework.mininode import *
 from test_framework.test_framework import DashTestFramework
-from test_framework.util import sync_blocks, sync_mempools, p2p_port, assert_raises_rpc_error
+from test_framework.util import sync_blocks, sync_mempools, p2p_port, assert_raises_rpc_error, get_bip9_status
 
 '''
 llmq-is-cl-conflicts.py
@@ -241,7 +241,11 @@ class LLMQ_IS_CL_Conflicts(DashTestFramework):
         coinbasevalue -= bt_fees
         coinbasevalue += new_fees
 
-        mn_amount = get_masternode_payment(height, coinbasevalue)
+        realloc_info = get_bip9_status(self.nodes[0], 'realloc')
+        realloc_height = 99999999
+        if realloc_info['status'] == 'active':
+            realloc_height = realloc_info['since']
+        mn_amount = get_masternode_payment(height, coinbasevalue, realloc_height)
         miner_amount = coinbasevalue - mn_amount
 
         outputs = {miner_address: str(Decimal(miner_amount) / COIN)}

test/functional/test_framework/blocktools.py

@@ -87,7 +87,7 @@ def get_legacy_sigopcount_tx(tx, fAccurate=True):
     return count
 
 # Identical to GetMasternodePayment in C++ code
-def get_masternode_payment(nHeight, blockValue):
+def get_masternode_payment(nHeight, blockValue, nReallocActivationHeight):
     ret = int(blockValue / 5)
 
     nMNPIBlock = 350
@@ -112,4 +112,42 @@ def get_masternode_payment(nHeight, blockValue):
     if nHeight > nMNPIBlock+(nMNPIPeriod* 9):
         ret += int(blockValue / 40)
 
+    if nHeight < nReallocActivationHeight:
+        # Block Reward Realocation is not activated yet, nothing to do
         return ret
+
+    nSuperblockCycle = 10
+    # Actual realocation starts in the cycle next to one activation happens in
+    nReallocStart = nReallocActivationHeight - nReallocActivationHeight % nSuperblockCycle + nSuperblockCycle
+
+    if nHeight < nReallocStart:
+        # Activated but we have to wait for the next cycle to start realocation, nothing to do
+        return ret
+
+    # Periods used to reallocate the masternode reward from 50% to 60%
+    vecPeriods = [
+        513, # Period 1:  51.3%
+        526, # Period 2:  52.6%
+        533, # Period 3:  53.3%
+        540, # Period 4:  54%
+        546, # Period 5:  54.6%
+        552, # Period 6:  55.2%
+        557, # Period 7:  55.7%
+        562, # Period 8:  56.2%
+        567, # Period 9:  56.7%
+        572, # Period 10: 57.2%
+        577, # Period 11: 57.7%
+        582, # Period 12: 58.2%
+        585, # Period 13: 58.5%
+        588, # Period 14: 58.8%
+        591, # Period 15: 59.1%
+        594, # Period 16: 59.4%
+        597, # Period 17: 59.7%
+        599, # Period 18: 59.9%
+        600  # Period 19: 60%
+    ]
+
+    nReallocCycle = nSuperblockCycle * 3
+    nCurrentPeriod = min(int((nHeight - nReallocStart) / nReallocCycle), len(vecPeriods) - 1)
+
+    return int(blockValue * vecPeriods[nCurrentPeriod] / 1000)

test/functional/test_runner.py

@@ -55,6 +55,7 @@ BASE_SCRIPTS= [
     # Scripts that are run by the travis build process.
     # Longest test should go first, to favor running tests in parallel
     'dip3-deterministicmns.py', # NOTE: needs dash_hash to pass
+    'feature_block_reward_reallocation.py',
     'wallet-hd.py',
     'walletbackup.py',
     # vv Tests less than 5m vv