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Add a new serialized type: STNumber (#5121)

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`STNumber` lets objects and transactions contain multiple fields for
quantities of XRP, IOU, or MPT without duplicating information about the
"issue" (represented by `STIssue`). It is a straightforward serialization of
the `Number` type that uniformly represents those quantities.

---------

Co-authored-by: John Freeman <jfreeman08@gmail.com>
Co-authored-by: Howard Hinnant <howard.hinnant@gmail.com>
This commit is contained in:
Elliot Lee
2024-11-25 12:12:35 -08:00
parent 0ec17b6026
commit f419c18056
15 changed files with 470 additions and 58 deletions
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16
include/xrpl/basics/Number.h
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@@ -41,6 +41,14 @@ class Number
int exponent_{std::numeric_limits<int>::lowest()};
public:
// The range for the mantissa when normalized
constexpr static std::int64_t minMantissa = 1'000'000'000'000'000LL;
constexpr static std::int64_t maxMantissa = 9'999'999'999'999'999LL;
// The range for the exponent when normalized
constexpr static int minExponent = -32768;
constexpr static int maxExponent = 32768;
struct unchecked
{
explicit unchecked() = default;
@@ -191,14 +199,6 @@ private:
constexpr bool
isnormal() const noexcept;
// The range for the mantissa when normalized
constexpr static std::int64_t minMantissa = 1'000'000'000'000'000LL;
constexpr static std::int64_t maxMantissa = 9'999'999'999'999'999LL;
// The range for the exponent when normalized
constexpr static int minExponent = -32768;
constexpr static int maxExponent = 32768;
class Guard;
};