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add empty container sanity checks when using front() and back()

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moneromooo-monero 2017-12-11 22:36:58 +00:00
parent 56fa6ce15f
commit 45a1c4c088
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9 changed files with 32 additions and 6 deletions
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src/mnemonics/electrum-words.cpp
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@ -205,6 +205,8 @@ namespace
*/
bool checksum_test(std::vector<std::string> seed, uint32_t unique_prefix_length)
{
if (seed.empty())
return false;
// The last word is the checksum.
std::string last_word = seed.back();
seed.pop_back();