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Added a unit test for the transition to 2.5 minutes between blocks #1184

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Jun 28, 2022
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Added a unit test for the transition to 2.5 minutes between blocks #1184

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47 changes: 41 additions & 6 deletions src/test/firsthalving_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,8 @@ BOOST_FIXTURE_TEST_CASE(devpayout, TestChainDIP3BeforeActivationSetup)
consensusParams.chainType = Consensus::chainTestnet;

consensusParams.nSubsidyHalvingFirst = 600;
consensusParams.nSubsidyHalvingInterval = 10;
consensusParams.stage3StartTime = INT_MAX;
consensusParams.nSubsidyHalvingInterval = 20;
consensusParams.nSubsidyHalvingStopBlock = 1000;

CScript devPayoutScript = GenerateRandomAddress();
Expand Down Expand Up @@ -217,6 +218,38 @@ BOOST_FIXTURE_TEST_CASE(devpayout, TestChainDIP3BeforeActivationSetup)
}
}
BOOST_ASSERT(paymentToDevFound);

// total output should be 25
BOOST_ASSERT(block.vtx[0]->GetValueOut() == 25*COIN);
}

// initiate stage3
consensusParams.stage3StartTime = GetTime();
// for stage3 there is dev payout and community payout
for (int i=610; i<620; i++) {
CBlock block = CreateAndProcessBlock({}, coinbaseKey);
deterministicMNManager->UpdatedBlockTip(chainActive.Tip());

CAmount nValue;
auto dmnPayout = FindPayoutDmn(block, nValue);

BOOST_ASSERT(dmnPayout != nullptr && nValue == 625*COIN/100); // 6.25 after halving (25/2*0.5)

bool paymentToDevFound = false, paymentToCommunityFound = false;
for (const CTxOut &txout: block.vtx[0]->vout) {
if (txout.scriptPubKey == GetScriptForDestination(CBitcoinAddress(consensusParams.stage3DevelopmentFundAddress).Get())) {
BOOST_ASSERT(txout.nValue == 1875*COIN/1000); // 25/2*0.15
paymentToDevFound = true;
}
if (txout.scriptPubKey == GetScriptForDestination(CBitcoinAddress(consensusParams.stage3CommunityFundAddress).Get())) {
BOOST_ASSERT(txout.nValue == 125*COIN/100); // 25/2*0.10
paymentToCommunityFound = true;
}
}
BOOST_ASSERT(paymentToDevFound && paymentToCommunityFound);

// total output should be 12.5
BOOST_ASSERT(block.vtx[0]->GetValueOut() == 25*COIN/2);
}

CBlock block = CreateAndProcessBlock({}, coinbaseKey);
Expand All @@ -225,15 +258,17 @@ BOOST_FIXTURE_TEST_CASE(devpayout, TestChainDIP3BeforeActivationSetup)
CAmount nValue;
auto dmnPayout = FindPayoutDmn(block, nValue);

BOOST_ASSERT(dmnPayout != nullptr && nValue == 4375*COIN/1000); // 4.375 (12.5*0.35)
BOOST_ASSERT(dmnPayout != nullptr && nValue == 3125*COIN/1000); // (25/4*0.5)

// there should be no more payment to devs fund
// there should be no more payment to devs/community funds fund
for (const CTxOut &txout: block.vtx[0]->vout) {
BOOST_ASSERT(txout.scriptPubKey != GetScriptForDestination(CBitcoinAddress(consensusParams.stage2DevelopmentFundAddress).Get()));
BOOST_ASSERT(txout.scriptPubKey != GetScriptForDestination(CBitcoinAddress(consensusParams.stage2DevelopmentFundAddress).Get()) &&
txout.scriptPubKey != GetScriptForDestination(CBitcoinAddress(consensusParams.stage3DevelopmentFundAddress).Get()) &&
txout.scriptPubKey != GetScriptForDestination(CBitcoinAddress(consensusParams.stage3CommunityFundAddress).Get()));
}

// miner's reward should be 12.5-4.375 = 8.125
BOOST_ASSERT(block.vtx[0]->vout[0].nValue == 8125*COIN/1000);
// miner's reward should be 3.125
BOOST_ASSERT(block.vtx[0]->vout[0].nValue == 3125*COIN/1000);
// should be only 2 vouts in coinbase
BOOST_ASSERT(block.vtx[0]->vout.size() == 2);

Expand Down