1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#include <random>
#include <Common.h>
#include <secp256k1.h>
#include "RLP.h"
#include "Trie.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);
assert(twoItemList[0] == 15);
assert(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;
}
|
