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Rewrite subsidy limit tests

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This commit is contained in:
Ross Nicoll 2021-06-16 09:13:14 +01:00
parent 3eb1ebd217
commit ac6f78e411
1 changed files with 39 additions and 19 deletions
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58
src/test/dogecoin_tests.cpp
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@ -23,42 +23,62 @@ BOOST_AUTO_TEST_CASE(subsidy_test)
BOOST_CHECK_EQUAL(nSubsidy, 228450 * COIN);
}
BOOST_AUTO_TEST_CASE(subsidy_limit_test)
BOOST_AUTO_TEST_CASE(subsidy_limit_test_first_100k)
{
int nHeight = 0;
int nStepSize= 1;
const auto chainParams = CreateChainParams(*m_node.args, CBaseChainParams::MAIN);
const auto params = chainParams->GetConsensus();
CAmount nSum = 0;
uint256 prevHash = uint256S("0");
arith_uint256 prevHash = UintToArith256(uint256S("0"));
for (nHeight = 0; nHeight <= 100000; nHeight++) {
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
for (int nHeight = 0; nHeight <= 100000; nHeight++) {
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, ArithToUint256(prevHash));
BOOST_CHECK(MoneyRange(nSubsidy));
BOOST_CHECK(nSubsidy <= 1000000 * COIN);
nSum += nSubsidy * nStepSize;
nSum += nSubsidy;
// Use nSubsidy to give us some variation in previous block hash, without requiring full block templates
prevHash += nSubsidy;
}
for (; nHeight <= 145000; nHeight++) {
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
const CAmount expected = 54894174438 * COIN;
BOOST_CHECK_EQUAL(expected, nSum);
}
BOOST_AUTO_TEST_CASE(subsidy_limit_test_100k_145k)
{
const auto chainParams = CreateChainParams(*m_node.args, CBaseChainParams::MAIN);
const auto params = chainParams->GetConsensus();
CAmount nSum = 0;
arith_uint256 prevHash = UintToArith256(uint256S("0"));
for (int nHeight = 100000; nHeight <= 145000; nHeight++) {
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, ArithToUint256(prevHash));
BOOST_CHECK(MoneyRange(nSubsidy));
BOOST_CHECK(nSubsidy <= 500000 * COIN);
nSum += nSubsidy * nStepSize;
nSum += nSubsidy;
// Use nSubsidy to give us some variation in previous block hash, without requiring full block templates
prevHash += nSubsidy;
}
for (; nHeight < 600000; nHeight++) {
const CAmount expected = 12349960000 * COIN;
BOOST_CHECK_EQUAL(expected, nSum);
}
// Check the simplified rewards after block 145,000
BOOST_AUTO_TEST_CASE(subsidy_limit_test_post_145k)
{
const auto chainParams = CreateChainParams(*m_node.args, CBaseChainParams::MAIN);
const auto params = chainParams->GetConsensus();
CAmount nSum = 0;
const uint256 prevHash = uint256S("0");
for (int nHeight = 145000; nHeight < 600000; nHeight++) {
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
CAmount nExpectedSubsidy = (500000 >> (nHeight / 100000)) * COIN;
BOOST_CHECK(MoneyRange(nSubsidy));
BOOST_CHECK_EQUAL(nSubsidy, nExpectedSubsidy);
nSum += nSubsidy * nStepSize;
nSum += nSubsidy;
}
//test sum +- ~10billion
arith_uint256 upperlimit = arith_uint256("95e14ec776380000"); //108 billion doge
BOOST_CHECK(nSum <= upperlimit);
arith_uint256 lowerlimit = arith_uint256("7a1fe16027700000"); //88 billion doge
BOOST_CHECK(nSum >= lowerlimit);
// Test reward at 600k+ is constant
CAmount nConstantSubsidy = GetDogecoinBlockSubsidy(600000, params, prevHash);
BOOST_CHECK_EQUAL(nConstantSubsidy, 10000 * COIN);