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// Copyright (c) 2017 Pieter Wuille
// Copyright (c) 2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <bech32.h>
#include <test/util/str.h>
#include <boost/test/unit_test.hpp>
#include <string>
BOOST_AUTO_TEST_SUITE(bech32_tests)
BOOST_AUTO_TEST_CASE(bech32_testvectors_valid)
{
static const std::string CASES[] = {
"A12UEL5L",
"a12uel5l",
"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs",
"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw",
"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j",
"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w",
"?1ezyfcl",
};
for (const std::string& str : CASES) {
const auto dec = bech32::Decode(str);
BOOST_CHECK(dec.encoding == bech32::Encoding::BECH32);
std::string recode = bech32::Encode(bech32::Encoding::BECH32, dec.hrp, dec.data);
BOOST_CHECK(!recode.empty());
BOOST_CHECK(CaseInsensitiveEqual(str, recode));
}
}
BOOST_AUTO_TEST_CASE(bech32m_testvectors_valid)
{
static const std::string CASES[] = {
"A1LQFN3A",
"a1lqfn3a",
"an83characterlonghumanreadablepartthatcontainsthetheexcludedcharactersbioandnumber11sg7hg6",
"abcdef1l7aum6echk45nj3s0wdvt2fg8x9yrzpqzd3ryx",
"11llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllludsr8",
"split1checkupstagehandshakeupstreamerranterredcaperredlc445v",
"?1v759aa"
};
for (const std::string& str : CASES) {
const auto dec = bech32::Decode(str);
BOOST_CHECK(dec.encoding == bech32::Encoding::BECH32M);
std::string recode = bech32::Encode(bech32::Encoding::BECH32M, dec.hrp, dec.data);
BOOST_CHECK(!recode.empty());
BOOST_CHECK(CaseInsensitiveEqual(str, recode));
}
}
BOOST_AUTO_TEST_CASE(bech32_testvectors_invalid)
{
static const std::string CASES[] = {
" 1nwldj5",
"\x7f""1axkwrx",
"\x80""1eym55h",
"an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx",
"pzry9x0s0muk",
"1pzry9x0s0muk",
"x1b4n0q5v",
"li1dgmt3",
"de1lg7wt\xff",
"A1G7SGD8",
"10a06t8",
"1qzzfhee",
"a12UEL5L",
"A12uEL5L",
"abcdef1qpzrz9x8gf2tvdw0s3jn54khce6mua7lmqqqxw",
"test1zg69w7y6hn0aqy352euf40x77qddq3dc",
};
static const std::pair<std::string, std::vector<int>> ERRORS[] = {
{"Invalid character or mixed case", {0}},
{"Invalid character or mixed case", {0}},
{"Invalid character or mixed case", {0}},
{"Bech32 string too long", {90}},
{"Missing separator", {}},
{"Invalid separator position", {0}},
{"Invalid Base 32 character", {2}},
{"Invalid separator position", {2}},
{"Invalid character or mixed case", {8}},
{"Invalid checksum", {}}, // The checksum is calculated using the uppercase form so the entire string is invalid, not just a few characters
{"Invalid separator position", {0}},
{"Invalid separator position", {0}},
{"Invalid character or mixed case", {3, 4, 5, 7}},
{"Invalid character or mixed case", {3}},
{"Invalid Bech32 checksum", {11}},
{"Invalid Bech32 checksum", {9, 16}},
};
static_assert(std::size(CASES) == std::size(ERRORS), "Bech32 CASES and ERRORS should have the same length");
int i = 0;
for (const std::string& str : CASES) {
const auto& err = ERRORS[i];
const auto dec = bech32::Decode(str);
BOOST_CHECK(dec.encoding == bech32::Encoding::INVALID);
auto [error, error_locations] = bech32::LocateErrors(str);
BOOST_CHECK_EQUAL(err.first, error);
BOOST_CHECK(err.second == error_locations);
i++;
}
}
BOOST_AUTO_TEST_CASE(bech32m_testvectors_invalid)
{
static const std::string CASES[] = {
" 1xj0phk",
"\x7f""1g6xzxy",
"\x80""1vctc34",
"an84characterslonghumanreadablepartthatcontainsthetheexcludedcharactersbioandnumber11d6pts4",
"qyrz8wqd2c9m",
"1qyrz8wqd2c9m",
"y1b0jsk6g",
"lt1igcx5c0",
"in1muywd",
"mm1crxm3i",
"au1s5cgom",
"M1VUXWEZ",
"16plkw9",
"1p2gdwpf",
"abcdef1l7aum6echk45nj2s0wdvt2fg8x9yrzpqzd3ryx",
"test1zg69v7y60n00qy352euf40x77qcusag6",
};
static const std::pair<std::string, std::vector<int>> ERRORS[] = {
{"Invalid character or mixed case", {0}},
{"Invalid character or mixed case", {0}},
{"Invalid character or mixed case", {0}},
{"Bech32 string too long", {90}},
{"Missing separator", {}},
{"Invalid separator position", {0}},
{"Invalid Base 32 character", {2}},
{"Invalid Base 32 character", {3}},
{"Invalid separator position", {2}},
{"Invalid Base 32 character", {8}},
{"Invalid Base 32 character", {7}},
{"Invalid checksum", {}},
{"Invalid separator position", {0}},
{"Invalid separator position", {0}},
{"Invalid Bech32m checksum", {21}},
{"Invalid Bech32m checksum", {13, 32}},
};
static_assert(std::size(CASES) == std::size(ERRORS), "Bech32m CASES and ERRORS should have the same length");
int i = 0;
for (const std::string& str : CASES) {
const auto& err = ERRORS[i];
const auto dec = bech32::Decode(str);
BOOST_CHECK(dec.encoding == bech32::Encoding::INVALID);
auto [error, error_locations] = bech32::LocateErrors(str);
BOOST_CHECK_EQUAL(err.first, error);
BOOST_CHECK(err.second == error_locations);
i++;
}
}
BOOST_AUTO_TEST_SUITE_END()
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