ziheng zihengCat
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| import hashlib as hasher | |
| import datetime as date | |
| class Block: | |
| def __init__(self, index, timestamp, data, previous_hash): | |
| self.index = index | |
| self.timestamp = timestamp | |
| self.data = data | |
| self.previous_hash = previous_hash | |
| self.hash = self.hash_block() | |
| def hash_block(self): |
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| int main(int argc, char* argv[]) { | |
| FILE *fp; | |
| if (argc != 2 || | |
| (fp = fopen(argv[1], "r")) == NULL) { | |
| perror("File opening failed"); | |
| return EXIT_FAILURE; |
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| int get_utf8_size(const unsigned char *p_input) { | |
| unsigned char c = *p_input; /* get UTF-8 first Byte */ | |
| /* | |
| * 0xxxxxxx --> 1 | |
| * 10xxxxxx --> -1 (invalid) | |
| * 110xxxxx --> 2 | |
| * 1110xxxx --> 3 | |
| * 11110xxx --> 4 | |
| * 111110xx --> 5 |