Reorganised source directory.

1 files changed, 139 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 00000000..e344a209
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,139 @@
+#include <random>
+#include "Common.h"
+#include "RLP.h"
+#include "PatriciaTree.h"
+#include "VirtualMachine.h"
+using namespace std;
+using namespace eth;
+
+std::string randomWord()
+{
+	static std::mt19937_64 s_eng(0);
+	std::string ret(uniform_int_distribution<int>(4, 10)(s_eng), ' ');
+	char const n[] = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
+	uniform_int_distribution<int> d(0, sizeof(n) - 2);
+	for (char& c: ret)
+		c = n[d(s_eng)];
+	return ret;
+}
+
+int main()
+{
+	{
+		Trie t;
+		t.insert("dog", "puppy");
+		assert(t.sha256() == hash256({{"dog", "puppy"}}));
+		assert(t.at("dog") == "puppy");
+		t.insert("doe", "reindeer");
+		assert(t.sha256() == hash256({{"dog", "puppy"}, {"doe", "reindeer"}}));
+		assert(t.at("doe") == "reindeer");
+		assert(t.at("dog") == "puppy");
+		t.insert("dogglesworth", "cat");
+		assert(t.sha256() == hash256({{"doe", "reindeer"}, {"dog", "puppy"}, {"dogglesworth", "cat"}}));
+		assert(t.at("doe") == "reindeer");
+		assert(t.at("dog") == "puppy");
+		assert(t.at("dogglesworth") == "cat");
+		t.remove("dogglesworth");
+		t.remove("doe");
+		assert(t.at("doe").empty());
+		assert(t.at("dogglesworth").empty());
+		assert(t.at("dog") == "puppy");
+		assert(t.sha256() == hash256({{"dog", "puppy"}}));
+		t.insert("horse", "stallion");
+		t.insert("do", "verb");
+		t.insert("doge", "coin");
+		assert(t.sha256() == hash256({{"dog", "puppy"}, {"horse", "stallion"}, {"do", "verb"}, {"doge", "coin"}}));
+		assert(t.at("doge") == "coin");
+		assert(t.at("do") == "verb");
+		assert(t.at("horse") == "stallion");
+		assert(t.at("dog") == "puppy");
+		t.remove("horse");
+		t.remove("do");
+		t.remove("doge");
+		assert(t.sha256() == hash256({{"dog", "puppy"}}));
+		assert(t.at("dog") == "puppy");
+		t.remove("dog");
+
+		for (int a = 0; a < 20; ++a)
+		{
+			StringMap m;
+			for (int i = 0; i < 20; ++i)
+			{
+				auto k = randomWord();
+				auto v = toString(i);
+				m.insert(make_pair(k, v));
+				t.insert(k, v);
+				assert(hash256(m) == t.sha256());
+			}
+			while (!m.empty())
+			{
+				auto k = m.begin()->first;
+				t.remove(k);
+				m.erase(k);
+				assert(hash256(m) == t.sha256());
+			}
+		}
+	}
+
+	// int of value 15
+	assert(RLP("\x0f") == 15);
+	assert(rlp(15) == "\x0f");
+
+	// 3-character string
+	assert(RLP("\x43""dog") == "dog");
+	assert(rlp("dog") == "\x43""dog");
+
+	// 2-item list
+	RLP twoItemList("\x82\x0f\x43""dog");
+	assert(twoItemList.itemCount() == 2 && twoItemList[0] == 15 && twoItemList[1] == "dog");
+	assert(rlpList(15, "dog") == "\x82\x0f\x43""dog");
+
+	// 1-byte (8-bit) int
+	assert(RLP("\x18\x45") == 69);
+	assert(rlp(69) == "\x18\x45");
+
+	// 2-byte (16-bit) int
+	assert(RLP("\x19\x01\x01") == 257);
+	assert(rlp(257) == "\x19\x01\x01");
+
+	// 32-byte (256-bit) int
+	assert(RLP("\x37\x10\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f") == bigint("0x100102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"));
+	assert(rlp(bigint("0x100102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f")) == "\x37\x10\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f");
+
+	// 33-byte (264-bit) int
+	assert(RLP("\x38\x21\x20\x10\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f") == bigint("0x20100102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"));
+	assert(rlp(bigint("0x20100102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F")) == "\x38\x21\x20\x10\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f");
+
+	// 56-character string.
+	assert(RLP("\x78\x38""Lorem ipsum dolor sit amet, consectetur adipisicing elit") == "Lorem ipsum dolor sit amet, consectetur adipisicing elit");
+	assert(rlp("Lorem ipsum dolor sit amet, consectetur adipisicing elit") == "\x78\x38""Lorem ipsum dolor sit amet, consectetur adipisicing elit");
+
+	/*
+	 * Hex-prefix Notation. First nibble has flags: oddness = 2^0 & termination = 2^1
+	 * [0,0,1,2,3,4,5]   0x10012345
+	 * [0,1,2,3,4,5]     0x00012345
+	 * [1,2,3,4,5]       0x112345
+	 * [0,0,1,2,3,4]     0x00001234
+	 * [0,1,2,3,4]       0x101234
+	 * [1,2,3,4]         0x001234
+	 * [0,0,1,2,3,4,5,T] 0x30012345
+	 * [0,0,1,2,3,4,T]   0x20001234
+	 * [0,1,2,3,4,5,T]   0x20012345
+	 * [1,2,3,4,5,T]     0x312345
+	 * [1,2,3,4,T]       0x201234
+	 */
+	assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4, 5}, false)) == "10012345");
+	assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4, 5}, false)) == "00012345");
+	assert(asHex(hexPrefixEncode({1, 2, 3, 4, 5}, false)) == "112345");
+	assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4}, false)) == "00001234");
+	assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4}, false)) == "101234");
+	assert(asHex(hexPrefixEncode({1, 2, 3, 4}, false)) == "001234");
+	assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4, 5}, true)) == "30012345");
+	assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4}, true)) == "20001234");
+	assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4, 5}, true)) == "20012345");
+	assert(asHex(hexPrefixEncode({1, 2, 3, 4, 5}, true)) == "312345");
+	assert(asHex(hexPrefixEncode({1, 2, 3, 4}, true)) == "201234");
+
+	return 0;
+}
+