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-rw-r--r--src/test/DoS_tests.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
index f29f036eb3..0b89414048 100644
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -12,6 +12,12 @@
#include <stdint.h>
+// Tests this internal-to-main.cpp method:
+extern void AddOrphanTx(const CDataStream& vMsg);
+extern int LimitOrphanTxSize(int nMaxOrphans);
+extern std::map<uint256, CDataStream*> mapOrphanTransactions;
+extern std::multimap<uint256, CDataStream*> mapOrphanTransactionsByPrev;
+
CService ip(uint32_t i)
{
struct in_addr s;
@@ -123,4 +129,77 @@ BOOST_AUTO_TEST_CASE(DoS_checknbits)
}
+static uint256 RandomHash()
+{
+ std::vector<unsigned char> randbytes(32);
+ RAND_bytes(&randbytes[0], 32);
+ uint256 randomhash(randbytes);
+ return randomhash;
+}
+
+CTransaction RandomOrphan()
+{
+ std::map<uint256, CDataStream*>::iterator it;
+ it = mapOrphanTransactions.lower_bound(RandomHash());
+ if (it == mapOrphanTransactions.end())
+ it = mapOrphanTransactions.begin();
+ const CDataStream* pvMsg = it->second;
+ CTransaction tx;
+ CDataStream(*pvMsg) >> tx;
+ return tx;
+}
+
+BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
+{
+ CKey key;
+ key.MakeNewKey(true);
+ CBasicKeyStore keystore;
+ keystore.AddKey(key);
+
+ // 50 orphan transactions:
+ for (int i = 0; i < 50; i++)
+ {
+ CTransaction tx;
+ tx.vin.resize(1);
+ tx.vin[0].prevout.n = 0;
+ tx.vin[0].prevout.hash = RandomHash();
+ tx.vin[0].scriptSig << OP_1;
+ tx.vout.resize(1);
+ tx.vout[0].nValue = 1*CENT;
+ tx.vout[0].scriptPubKey.SetBitcoinAddress(key.GetPubKey());
+
+ CDataStream ds;
+ ds << tx;
+ AddOrphanTx(ds);
+ }
+
+ // ... and 50 that depend on other orphans:
+ for (int i = 0; i < 50; i++)
+ {
+ CTransaction txPrev = RandomOrphan();
+
+ CTransaction tx;
+ tx.vin.resize(1);
+ tx.vin[0].prevout.n = 0;
+ tx.vin[0].prevout.hash = txPrev.GetHash();
+ tx.vout.resize(1);
+ tx.vout[0].nValue = 1*CENT;
+ tx.vout[0].scriptPubKey.SetBitcoinAddress(key.GetPubKey());
+ SignSignature(keystore, txPrev, tx, 0);
+
+ CDataStream ds;
+ ds << tx;
+ AddOrphanTx(ds);
+ }
+
+ // Test LimitOrphanTxSize() function:
+ LimitOrphanTxSize(40);
+ BOOST_CHECK(mapOrphanTransactions.size() <= 40);
+ LimitOrphanTxSize(10);
+ BOOST_CHECK(mapOrphanTransactions.size() <= 10);
+ LimitOrphanTxSize(0);
+ BOOST_CHECK(mapOrphanTransactions.empty());
+ BOOST_CHECK(mapOrphanTransactionsByPrev.empty());
+}
+
BOOST_AUTO_TEST_SUITE_END()