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authorPieter Wuille <pieter.wuille@gmail.com>2014-09-06 21:16:25 +0200
committerPieter Wuille <pieter.wuille@gmail.com>2014-10-14 15:42:01 -0700
commitf244c99c96636136678f17e7ef3952a864613ad0 (patch)
tree46fe2c8f9c9b9f5d16e8b9804e9c3c1d3b4a6e45 /src/test/DoS_tests.cpp
parentad6e6017127ec2a3a8d1a71aaab7a6e945c5b0f9 (diff)
Remove CheckMinWork, as we always know all parent headers
Diffstat (limited to 'src/test/DoS_tests.cpp')
-rw-r--r--src/test/DoS_tests.cpp45
1 files changed, 0 insertions, 45 deletions
diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
index 7bec12b665..f9746fdaa5 100644
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -106,51 +106,6 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
BOOST_CHECK(!CNode::IsBanned(addr));
}
-static bool CheckNBits(unsigned int nbits1, int64_t time1, unsigned int nbits2, int64_t time2)\
-{
- if (time1 > time2)
- return CheckNBits(nbits2, time2, nbits1, time1);
- int64_t deltaTime = time2-time1;
-
- return CheckMinWork(nbits2, nbits1, deltaTime);
-}
-
-BOOST_AUTO_TEST_CASE(DoS_checknbits)
-{
- using namespace boost::assign; // for 'map_list_of()'
-
- // Timestamps,nBits from the bitcoin block chain.
- // These are the block-chain checkpoint blocks
- typedef std::map<int64_t, unsigned int> BlockData;
- BlockData chainData =
- map_list_of(1239852051,486604799)(1262749024,486594666)
- (1279305360,469854461)(1280200847,469830746)(1281678674,469809688)
- (1296207707,453179945)(1302624061,453036989)(1309640330,437004818)
- (1313172719,436789733);
-
- // Make sure CheckNBits considers every combination of block-chain-lock-in-points
- // "sane":
- BOOST_FOREACH(const BlockData::value_type& i, chainData)
- {
- BOOST_FOREACH(const BlockData::value_type& j, chainData)
- {
- BOOST_CHECK(CheckNBits(i.second, i.first, j.second, j.first));
- }
- }
-
- // Test a couple of insane combinations:
- BlockData::value_type firstcheck = *(chainData.begin());
- BlockData::value_type lastcheck = *(chainData.rbegin());
-
- // First checkpoint difficulty at or a while after the last checkpoint time should fail when
- // compared to last checkpoint
- BOOST_CHECK(!CheckNBits(firstcheck.second, lastcheck.first+60*10, lastcheck.second, lastcheck.first));
- BOOST_CHECK(!CheckNBits(firstcheck.second, lastcheck.first+60*60*24*14, lastcheck.second, lastcheck.first));
-
- // ... but OK if enough time passed for difficulty to adjust downward:
- BOOST_CHECK(CheckNBits(firstcheck.second, lastcheck.first+60*60*24*365*4, lastcheck.second, lastcheck.first));
-}
-
CTransaction RandomOrphan()
{
std::map<uint256, COrphanTx>::iterator it;