maxmustermann/dogecoin
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge pull request #2312 from rnicoll/1.14.4-subsidy-tests

Browse source 
Rewrite subsidy limit tests (1.14)
This commit is contained in:
Patrick Lodder 2021-07-17 19:39:24 +02:00 committed by GitHub
parent 869aad50af 023fc6d529
commit c984ff17a4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 37 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
src/test/dogecoin_tests.cpp
View file

@ -58,50 +58,65 @@ uint64_t expectedMinSubsidy(int height) {
}
}
BOOST_AUTO_TEST_CASE(subsidy_limit_test)
BOOST_AUTO_TEST_CASE(subsidy_first_100k_test)
{
int nHeight = 0;
int nStepSize= 1;
const CChainParams& mainParams = Params(CBaseChainParams::MAIN);
CAmount nSum = 0;
uint256 prevHash = uint256S("0");
arith_uint256 prevHash = UintToArith256(uint256S("0"));
for (nHeight = 0; nHeight <= 100000; nHeight++) {
for (int nHeight = 0; nHeight <= 100000; nHeight++) {
const Consensus::Params& params = mainParams.GetConsensus(nHeight);
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
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++) {
const CAmount expected = 54894174438 * COIN;
BOOST_CHECK_EQUAL(expected, nSum);
}
BOOST_AUTO_TEST_CASE(subsidy_100k_145k_test)
{
const CChainParams& mainParams = Params(CBaseChainParams::MAIN);
CAmount nSum = 0;
arith_uint256 prevHash = UintToArith256(uint256S("0"));
for (int nHeight = 100000; nHeight <= 145000; nHeight++) {
const Consensus::Params& params = mainParams.GetConsensus(nHeight);
CAmount nSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
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_post_145k_test)
{
const CChainParams& mainParams = Params(CBaseChainParams::MAIN);
const uint256 prevHash = uint256S("0");
for (int nHeight = 145000; nHeight < 600000; nHeight++) {
const Consensus::Params& params = mainParams.GetConsensus(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;
}
//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
const Consensus::Params& params = mainParams.GetConsensus(nHeight);
CAmount nConstantSubsidy = GetDogecoinBlockSubsidy(nHeight, params, prevHash);
CAmount nConstantSubsidy = GetDogecoinBlockSubsidy(600000, mainParams.GetConsensus(600000), prevHash);
BOOST_CHECK_EQUAL(nConstantSubsidy, 10000 * COIN);
nConstantSubsidy = GetDogecoinBlockSubsidy(700000, params, prevHash);
nConstantSubsidy = GetDogecoinBlockSubsidy(700000, mainParams.GetConsensus(700000), prevHash);
BOOST_CHECK_EQUAL(nConstantSubsidy, 10000 * COIN);
}