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Auto merge of #4973 - str4d:bech32-known-answer, r=str4d 

test: Convert Bech32 test vectors into known-answer test vectors

This enables other projects to confirm independently that their encoding
or decoding functions are consistent, instead of merely that they are
round-trip correct.
This commit is contained in:
Homu 2021-02-18 20:15:58 +00:00
parent e83ecc1dcb 340add223a
commit 9d0d8f49a8
1 changed files with 35 additions and 10 deletions
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45
src/test/bech32_tests.cpp
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@ -4,6 +4,7 @@
#include "bech32.h"
#include "test/test_bitcoin.h"
#include "utilstrencodings.h"
#include <boost/test/unit_test.hpp>
@ -24,19 +25,43 @@ bool CaseInsensitiveEqual(const std::string &s1, const std::string &s2)
BOOST_AUTO_TEST_CASE(bip173_testvectors_valid)
{
static const std::string CASES[] = {
"A12UEL5L",
"a12uel5l",
"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs",
"an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx",
"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw",
"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j",
"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w",
"?1ezyfcl",
static const std::tuple<std::string, std::string, std::string> CASES[] = {
{"A12UEL5L", "a", ""},
{"a12uel5l", "a", ""},
{
"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs",
"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio",
"",
},
{
"an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx",
"an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio",
"",
},
{"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw", "abcdef", "00443214c74254b635cf84653a56d7c675be77df"},
{
"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j",
"1",
"000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
},
{
"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w",
"split",
"c5f38b70305f519bf66d85fb6cf03058f3dde463ecd7918f2dc743918f2d",
},
{"?1ezyfcl", "?", ""},
};
for (const std::string& str : CASES) {
for (const auto& [str, hrp, data] : CASES) {
auto ret = bech32::Decode(str);
BOOST_CHECK(!ret.first.empty());
BOOST_CHECK_EQUAL(ret.first, hrp);
std::vector<unsigned char> decoded;
decoded.reserve((ret.second.size() * 5) / 8);
auto success = ConvertBits<5, 8, false>([&](unsigned char c) { decoded.push_back(c); }, ret.second.begin(), ret.second.end());
BOOST_CHECK(success);
BOOST_CHECK_EQUAL(HexStr(decoded.begin(), decoded.end()), data);
std::string recode = bech32::Encode(ret.first, ret.second);
BOOST_CHECK(!recode.empty());
BOOST_CHECK(CaseInsensitiveEqual(str, recode));