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Use error codes throughout fast Base58 implementation

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This commit is contained in:
John Freeman
2024-07-22 15:47:01 -04:00
committed by tequ
parent a0e19f9dcd
commit 4cf97ad212
4 changed files with 75 additions and 18 deletions
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26
src/ripple/protocol/impl/tokens.cpp
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@@ -472,6 +472,11 @@ b256_to_b58_be(std::span<std::uint8_t const> input, std::span<std::uint8_t> out)
{
continue;
}
static constexpr std::uint64_t B_58_10 = 430804206899405824; // 58^10;
if (base_58_10_coeff[i] >= B_58_10)
{
return Unexpected(TokenCodecErrc::inputTooLarge);
}
std::array<std::uint8_t, 10> const b58_be =
ripple::b58_fast::detail::b58_10_to_b58_be(base_58_10_coeff[i]);
std::size_t to_skip = 0;
@@ -570,10 +575,23 @@ b58_to_b256_be(std::string_view input, std::span<std::uint8_t> out)
for (int i = 1; i < num_b_58_10_coeffs; ++i)
{
std::uint64_t const c = b_58_10_coeff[i];
ripple::b58_fast::detail::inplace_bigint_mul(
std::span(&result[0], cur_result_size + 1), B_58_10);
ripple::b58_fast::detail::inplace_bigint_add(
std::span(&result[0], cur_result_size + 1), c);
{
auto code = ripple::b58_fast::detail::inplace_bigint_mul(
std::span(&result[0], cur_result_size + 1), B_58_10);
if (code != TokenCodecErrc::success)
{
return Unexpected(code);
}
}
{
auto code = ripple::b58_fast::detail::inplace_bigint_add(
std::span(&result[0], cur_result_size + 1), c);
if (code != TokenCodecErrc::success)
{
return Unexpected(code);
}
}
if (result[cur_result_size] != 0)
{
cur_result_size += 1;