ensure removalWorkaround matches old code
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2 changed files with 17 additions and 10 deletions
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@ -641,14 +641,21 @@ bool CClaimTrieCacheBase::removeClaim(const CUint160& claimId, const CTxOutPoint
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// because it's a parent one and should not be effectively erased
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// we had a bug in the old code where that situation would force a zero delay on re-add
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if (true) { // TODO: hard fork this out (which we already tried once but failed)
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db << "SELECT nodeName FROM claims WHERE nodeName LIKE ?1 "
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const static std::string charsThatBreakLikeOp("_%\0", 3);
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bool cantUseLike = nodeName.find_first_of(charsThatBreakLikeOp) != std::string::npos;
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auto query = cantUseLike ? (db << "SELECT nodeName FROM claims WHERE SUBSTR(nodeName, 1, ?3) = ?1 "
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"AND activationHeight < ?2 AND expirationHeight > ?2 ORDER BY nodeName LIMIT 1"
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<< nodeName + '%' << nNextHeight
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>> [this, &nodeName](const std::string& shortestMatch) {
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<< nodeName << nNextHeight << nodeName.size()) :
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(db << "SELECT nodeName FROM claims WHERE nodeName LIKE ?1 "
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"AND activationHeight < ?2 AND expirationHeight > ?2 ORDER BY nodeName LIMIT 1"
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<< nodeName + '%' << nNextHeight);
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for (auto&& row: query) {
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std::string shortestMatch;
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row >> shortestMatch;
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if (shortestMatch != nodeName)
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// set this when there are no more claims on that name and that node still has children
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removalWorkaround.insert(nodeName);
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};
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}
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}
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return true;
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}
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@ -9,8 +9,8 @@ namespace sqlite {
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class sqlite_exception: public std::runtime_error {
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public:
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sqlite_exception(const char* msg, str_ref sql, int code = -1): runtime_error(sql + ':' + msg), code(code), sql(sql) {}
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sqlite_exception(int code, str_ref sql, const char *msg = nullptr): runtime_error(sql + ':' + (msg ? msg : sqlite3_errstr(code))), code(code), sql(sql) {}
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sqlite_exception(const char* msg, str_ref sql, int code = -1): runtime_error(msg + std::string(": ") + sql), code(code), sql(sql) {}
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sqlite_exception(int code, str_ref sql, const char *msg = nullptr): runtime_error((msg ? msg : sqlite3_errstr(code)) + std::string(": ") + sql), code(code), sql(sql) {}
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int get_code() const {return code & 0xFF;}
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int get_extended_code() const {return code;}
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std::string get_sql() const {return sql;}
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