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bitcore-node-zcash
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comparator.

This commit is contained in:
Christopher Jeffrey 2014-11-06 16:16:18 -08:00
parent f8efdb105e
commit bcbcd1178d
1 changed files with 24 additions and 38 deletions
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62
src/bitcoindjs.cc
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@ -2019,7 +2019,7 @@ async_get_addrtx(uv_work_t *req) {
return;
}
#if 0
#if 1
CScript expected = GetScriptForDestination(address.Get());
int64_t i = 0;
@ -2098,9 +2098,10 @@ done:
}
}
return;
#endif
#else
ctx_list *ctxs = read_addr(data->addr);
data->ctxs = ctxs;
#endif
if (data->ctxs == NULL) {
data->err_msg = std::string("Could not read database.");
}
@ -5636,41 +5637,26 @@ GetOptions(size_t nCacheSize) {
class TwoPartComparator : public leveldb::Comparator {
public:
// Three-way comparison function:
// if a < b: negative result
// if a > b: positive result
// if a < end: negative result
// if a > end: positive result
// else: zero result
int Compare(const leveldb::Slice& a, const leveldb::Slice& b) const {
#if 0
int a1, a2, b1, b2;
ParseKey(a, &a1, &a2);
ParseKey(b, &b1, &b2);
if (a1 < b1) return -1;
if (a1 > b1) return +1;
if (a2 < b2) return -1;
if (a2 > b2) return +1;
return 0;
#endif
#if 1
std::string a_ = a.ToString();
std::string b_ = b.ToString();
const char *a__ = a_.c_str();
const char *b__ = b_.c_str();
int r = strcmp(a__, b__);
// free(a__);
// free(b__);
return r;
#endif
#if 0
std::string a_ = a.ToString();
std::string b_ = b.ToString();
const char *a__ = a_.c_str();
const char *b__ = b_.c_str();
char *sub = strstr(a__, b__);
// free(a__);
// free(b__);
if (sub == NULL) return 1;
return 0;
#endif
int Compare(const leveldb::Slice& key, const leveldb::Slice& end) const {
std::string key_ = key.ToString();
std::string end_ = end.ToString();
const char *k = key_.c_str();
const char *e = end_.c_str();
if (k[0] == 't'
&& k[1] == 'x'
&& k[2] == '-') {
unsigned int el = strlen(e);
if (k[el - 1] == '\0' || k[el - 1] == e[el - 1]) {
return 1;
}
return -1;
}
return 1;
}
// Ignore the following methods for now:
@ -5736,8 +5722,8 @@ read_addr(const std::string addr) {
break;
}
leveldb::Slice start = "txa2-" + addr + "-";
leveldb::Slice end = "txa2-" + addr + "-~";
leveldb::Slice start = "tx-" + addr + "-";
leveldb::Slice end = "tx-" + addr + "-~";
//leveldb::Options options;
leveldb::Iterator* it = pdb->NewIterator(leveldb::ReadOptions());