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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2015-10-21 23:28:39 +0100 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2017-03-25 12:14:01 +0000 |
| commit | 6e6794786ae6f9a81281dd4467c834f70040b77c (patch) | |
| tree | 66700e34035a196db1c5bb3eceebe128999f65a6 /src/mnemonics/language_base.h | |
| parent | mnemonics: misc cleanup (diff) | |
| download | monero-6e6794786ae6f9a81281dd4467c834f70040b77c.tar.xz | |
mnemonics: sanity checks for word lists
and a test to go with it
Remember to run the test when changing word lists, or simplewallet
will throw uncaught if that word list is used.
Diffstat (limited to '')
| -rw-r--r-- | src/mnemonics/language_base.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/mnemonics/language_base.h b/src/mnemonics/language_base.h index c085a8b1d..8f0a7a9d3 100644 --- a/src/mnemonics/language_base.h +++ b/src/mnemonics/language_base.h @@ -38,6 +38,7 @@ #include <vector>
#include <unordered_map>
#include <string>
+#include "misc_log_ex.h"
/*!
* \namespace Language
@@ -73,6 +74,10 @@ namespace Language class Base
{
protected:
+ enum {
+ ALLOW_SHORT_WORDS = 1<<0,
+ ALLOW_DUPLICATE_PREFIXES = 1<<1,
+ };
const std::vector<std::string> word_list; /*!< A pointer to the array of words */
std::unordered_map<std::string, uint32_t> word_map; /*!< hash table to find word's index */
std::unordered_map<std::string, uint32_t> trimmed_word_map; /*!< hash table to find word's trimmed index */
@@ -81,21 +86,39 @@ namespace Language /*!
* \brief Populates the word maps after the list is ready.
*/
- void populate_maps()
+ void populate_maps(uint32_t flags = 0)
{
int ii;
std::vector<std::string>::const_iterator it;
+ if (word_list.size () != 1626)
+ throw std::runtime_error("Wrong word list length for " + language_name);
for (it = word_list.begin(), ii = 0; it != word_list.end(); it++, ii++)
{
word_map[*it] = ii;
+ if ((*it).size() < unique_prefix_length)
+ {
+ if (flags & ALLOW_SHORT_WORDS)
+ MWARNING(language_name << " word '" << *it << "' is shorter than its prefix length, " << unique_prefix_length);
+ else
+ throw std::runtime_error("Too short word in " + language_name + " word list: " + *it);
+ }
+ std::string trimmed;
if (it->length() > unique_prefix_length)
{
- trimmed_word_map[utf8prefix(*it, unique_prefix_length)] = ii;
+ trimmed = utf8prefix(*it, unique_prefix_length);
}
else
{
- trimmed_word_map[*it] = ii;
+ trimmed = *it;
+ }
+ if (trimmed_word_map.find(trimmed) != trimmed_word_map.end())
+ {
+ if (flags & ALLOW_DUPLICATE_PREFIXES)
+ MWARNING("Duplicate prefix in " << language_name << " word list: " << trimmed);
+ else
+ throw std::runtime_error("Duplicate prefix in " + language_name + " word list: " + trimmed);
}
+ trimmed_word_map[trimmed] = ii;
}
}
public:
|