mirror of
https://github.com/Xahau/xahaud.git
synced 2026-08-24 00:40:54 +00:00
Compare commits
3 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
e904290e4e | ||
|
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723103150c | ||
|
|
bb244ef772 |
@@ -124,6 +124,9 @@ find_package(date REQUIRED)
|
||||
find_package(xxHash REQUIRED)
|
||||
find_package(magic_enum REQUIRED)
|
||||
|
||||
find_package(fmt REQUIRED)
|
||||
target_link_libraries(ripple_libs INTERFACE fmt::fmt)
|
||||
|
||||
include(deps/WasmEdge)
|
||||
if(TARGET nudb::core)
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||||
set(nudb nudb::core)
|
||||
|
||||
@@ -95,8 +95,16 @@ if [[ "$4" == "" ]]; then
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||||
echo "Non GH, local building, no Action runner magic"
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||||
else
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||||
# GH Action, runner
|
||||
cp /io/release-build/xahaud /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
|
||||
cp /io/release-build/release.info /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
|
||||
if [[ "$(git rev-parse --abbrev-ref HEAD)" == "release" ]]; then
|
||||
echo "building on the release branch... placing it in builds/candidate"
|
||||
mkdir /data/builds/candidate
|
||||
cp /io/release-build/xahaud /data/builds/candidate/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
|
||||
cp /io/release-build/release.info /data/builds/candidate/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
|
||||
else
|
||||
echo "building non-release branch, placing it in builds root"
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||||
cp /io/release-build/xahaud /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
|
||||
cp /io/release-build/release.info /data/builds/$(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4.releaseinfo
|
||||
fi
|
||||
echo "Published build to: http://build.xahau.tech/"
|
||||
echo $(date +%Y).$(date +%-m).$(date +%-d)-$(git rev-parse --abbrev-ref HEAD)+$4
|
||||
fi
|
||||
|
||||
@@ -35,6 +35,7 @@ class Xrpl(ConanFile):
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||||
'soci/4.0.3@xahaud/stable',
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||||
'xxhash/0.8.2',
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||||
'zlib/1.3.1',
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||||
'fmt/12.1.0',
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||||
]
|
||||
|
||||
tool_requires = [
|
||||
@@ -191,6 +192,7 @@ class Xrpl(ConanFile):
|
||||
'sqlite3::sqlite',
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||||
'xxhash::xxhash',
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||||
'zlib::zlib',
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||||
'fmt::fmt',
|
||||
]
|
||||
if self.options.rocksdb:
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||||
libxrpl.requires.append('rocksdb::librocksdb')
|
||||
|
||||
@@ -221,7 +221,6 @@
|
||||
#define sfProvider ((7U << 16U) + 30U)
|
||||
#define sfMPTokenMetadata ((7U << 16U) + 31U)
|
||||
#define sfCredentialType ((7U << 16U) + 32U)
|
||||
#define sfJsonTxBody ((7U << 16U) + 33U)
|
||||
#define sfHookName ((7U << 16U) + 97U)
|
||||
#define sfRemarkValue ((7U << 16U) + 98U)
|
||||
#define sfRemarkName ((7U << 16U) + 99U)
|
||||
|
||||
557
include/xrpl/protocol/JSONTxSignatures.h
Normal file
557
include/xrpl/protocol/JSONTxSignatures.h
Normal file
@@ -0,0 +1,557 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of rippled: https://github.com/ripple/rippled
|
||||
Copyright (c) 2012-2014 Ripple Labs Inc.
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef RIPPLE_PROTOCOL_JSONTXSIGNATURES_H_INCLUDED
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||||
#define RIPPLE_PROTOCOL_JSONTXSIGNATURES_H_INCLUDED
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||||
|
||||
#include <xrpl/json/json_reader.h>
|
||||
#include <xrpl/json/json_writer.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/SField.h>
|
||||
#include <xrpl/protocol/STParsedJSON.h>
|
||||
#include <boost/algorithm/string.hpp>
|
||||
#include <algorithm>
|
||||
#include <cctype>
|
||||
#include <cmath>
|
||||
#include <cstdint>
|
||||
#include <fmt/format.h>
|
||||
#include <limits>
|
||||
#include <map>
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||||
#include <functional>
|
||||
#include <unordered_map>
|
||||
|
||||
namespace ripple {
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// jsontx: plaintext-JSON signing support (featureJsonTx)
|
||||
//
|
||||
// The delta is attacker-controlled: it arrives over the wire beside a binary
|
||||
// transaction and is not covered by the signature it helps reconstruct. Every
|
||||
// bound below is therefore explicit, and unsanitize_jsontx accepts only the
|
||||
// exact encoding sanitize_jsontx would have produced.
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
static constexpr std::size_t jsontx_max_text = 8192; // canonical and original
|
||||
static constexpr std::size_t jsontx_max_diff = 1024; // delta bytes
|
||||
static constexpr std::size_t jsontx_max_ops = 256; // delta instructions
|
||||
static constexpr std::size_t jsontx_min_copy = 4; // encoder match threshold
|
||||
static constexpr std::size_t jsontx_max_cand = 64; // encoder candidate cap
|
||||
|
||||
// Case-insensitive field-name -> canonical SField. Built once from
|
||||
// SField::knownCodeToField, the same table doServerDefinitions publishes, using
|
||||
// its serializability filter (useful, binary, non-pseudo). sfInvalid if
|
||||
// unknown.
|
||||
static SField const&
|
||||
jsontx_field(std::string const& name)
|
||||
{
|
||||
static auto const tbl = [] {
|
||||
std::unordered_map<std::string, SField const*> m;
|
||||
for (auto const& [code, f] : SField::knownCodeToField)
|
||||
if (f->isUseful() && f->isBinary() && f->fieldType < 10000 &&
|
||||
!f->fieldName.empty())
|
||||
m.emplace(boost::algorithm::to_lower_copy(f->fieldName), f);
|
||||
return m;
|
||||
}();
|
||||
|
||||
auto const i = tbl.find(boost::algorithm::to_lower_copy(name));
|
||||
return i == tbl.end() ? sfInvalid : *i->second;
|
||||
}
|
||||
|
||||
// Civil calendar arithmetic (Howard Hinnant's algorithm), used in both
|
||||
// directions. Pure integer maths - no strptime, no timegm, no locale, no
|
||||
// tzdata - because these conversions decide whether a signature verifies and
|
||||
// so must give the same answer on every node forever.
|
||||
static constexpr std::int64_t
|
||||
jsontx_days(int y, unsigned m, unsigned d) // days from 1970-01-01
|
||||
{
|
||||
y -= m <= 2;
|
||||
std::int64_t const era = (y >= 0 ? y : y - 399) / 400;
|
||||
unsigned const yoe = static_cast<unsigned>(y - era * 400);
|
||||
unsigned const doy = (153 * (m + (m > 2 ? -3 : 9)) + 2) / 5 + d - 1;
|
||||
unsigned const doe = yoe * 365 + yoe / 4 - yoe / 100 + doy;
|
||||
return era * 146097 + doe - 719468;
|
||||
}
|
||||
|
||||
static constexpr std::int64_t jsontx_epoch_day = jsontx_days(2000, 1, 1);
|
||||
|
||||
// 9999-12-31T23:59:59.999Z: past this toISOString() switches to expanded years
|
||||
// (+275760-09-13T...) and the fixed 24 character shape no longer holds
|
||||
static constexpr std::uint64_t jsontx_max_time =
|
||||
(static_cast<std::uint64_t>(jsontx_days(9999, 12, 31) - jsontx_epoch_day) *
|
||||
86400 +
|
||||
86399) *
|
||||
1000 +
|
||||
999;
|
||||
|
||||
static_assert(jsontx_epoch_day == 10957); // matches chrono.h epoch_offset
|
||||
|
||||
// Strict Date().toISOString() -> milliseconds since the ripple epoch. Exactly
|
||||
// YYYY-MM-DDTHH:MM:SS.sssZ, always UTC, always three fractional digits.
|
||||
static std::uint64_t
|
||||
jsontx_iso(std::string const& s)
|
||||
{
|
||||
static constexpr char pat[] = "0000-00-00T00:00:00.000Z";
|
||||
if (s.size() != 24)
|
||||
throw std::runtime_error("jsontx: Time must be an ISO 8601 instant");
|
||||
for (std::size_t i = 0; i < 24; ++i)
|
||||
if (pat[i] == '0' ? !std::isdigit(static_cast<unsigned char>(s[i]))
|
||||
: s[i] != pat[i])
|
||||
throw std::runtime_error("jsontx: malformed Time");
|
||||
|
||||
auto const n = [&s](std::size_t i, std::size_t c) {
|
||||
int v = 0;
|
||||
while (c--)
|
||||
v = v * 10 + (s[i++] - '0');
|
||||
return v;
|
||||
};
|
||||
int const y = n(0, 4), mo = n(5, 2), d = n(8, 2), h = n(11, 2),
|
||||
mi = n(14, 2), se = n(17, 2), ms = n(20, 3);
|
||||
if (mo < 1 || mo > 12)
|
||||
throw std::runtime_error("jsontx: Time month out of range");
|
||||
bool const leap = (y % 4 == 0 && y % 100 != 0) || y % 400 == 0;
|
||||
int const dim =
|
||||
mo == 2 ? (leap ? 29 : 28) : ((mo % 2 == 1) == (mo <= 7) ? 31 : 30);
|
||||
// 60 is rejected: JS cannot emit a leap second and the ledger cannot
|
||||
// represent one
|
||||
if (d < 1 || d > dim || h > 23 || mi > 59 || se > 59)
|
||||
throw std::runtime_error("jsontx: Time out of range");
|
||||
|
||||
std::int64_t const t = (jsontx_days(y, mo, d) - jsontx_epoch_day) * 86400 +
|
||||
h * 3600 + mi * 60 + se;
|
||||
if (t < 0)
|
||||
throw std::runtime_error("jsontx: Time precedes the ripple epoch");
|
||||
return static_cast<std::uint64_t>(t) * 1000 + ms;
|
||||
}
|
||||
|
||||
// The exact inverse. Total over [0, jsontx_max_time] and injective, so sfTime
|
||||
// and its ISO spelling are two views of one value and the delta carries
|
||||
// nothing for the field.
|
||||
static std::string
|
||||
jsontx_iso_str(std::uint64_t ms)
|
||||
{
|
||||
if (ms > jsontx_max_time)
|
||||
throw std::runtime_error("jsontx: Time out of range");
|
||||
std::int64_t const z =
|
||||
static_cast<std::int64_t>(ms / 86400000) + jsontx_epoch_day + 719468;
|
||||
unsigned const tod = static_cast<unsigned>(ms / 1000 % 86400);
|
||||
std::int64_t const era = (z >= 0 ? z : z - 146096) / 146097;
|
||||
unsigned const doe = static_cast<unsigned>(z - era * 146097);
|
||||
unsigned const yoe = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365;
|
||||
unsigned const doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
|
||||
unsigned const mp = (5 * doy + 2) / 153;
|
||||
unsigned const d = doy - (153 * mp + 2) / 5 + 1;
|
||||
unsigned const m = mp + (mp < 10 ? 3 : -9);
|
||||
return fmt::format(
|
||||
"{:04}-{:02}-{:02}T{:02}:{:02}:{:02}.{:03}Z",
|
||||
static_cast<std::int64_t>(yoe) + era * 400 + (m <= 2),
|
||||
m,
|
||||
d,
|
||||
tod / 3600,
|
||||
tod / 60 % 60,
|
||||
tod % 60,
|
||||
static_cast<unsigned>(ms % 1000));
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// jsoncpp compatibility
|
||||
//
|
||||
// This is xrpl's vendored jsoncpp, which predates JSON_HAS_INT64: Json::Int is
|
||||
// int and Json::UInt is unsigned int, both 32 bit, and there is no isInt64 /
|
||||
// asInt64 / asUInt64. Reader::decodeNumber yields intValue or uintValue only
|
||||
// while the digits fit in 32 bits; on overflow, and for any token carrying a
|
||||
// '.' or an exponent, it falls through to decodeDouble and the number arrives
|
||||
// as a realValue.
|
||||
//
|
||||
// So a large integer is not lost, but it is no longer held as an integer, and
|
||||
// the digits the signer wrote are recoverable only while the double is an
|
||||
// exact integer view of them. That holds to 2^53; above it consecutive doubles
|
||||
// are more than 1 apart and distinct decimal integers collapse onto the same
|
||||
// double. Past that point the value is refused rather than guessed at.
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
static constexpr double jsontx_exact_max = 9007199254740992.0; // 2^53
|
||||
|
||||
// Exact integer view of a json number. False if v is not a number at all, or
|
||||
// is one this build cannot reproduce digit for digit.
|
||||
static bool
|
||||
jsontx_exact(Json::Value const& v, std::int64_t& out)
|
||||
{
|
||||
switch (v.type())
|
||||
{
|
||||
case Json::intValue:
|
||||
out = v.asInt();
|
||||
return true;
|
||||
case Json::uintValue:
|
||||
out = static_cast<std::int64_t>(v.asUInt());
|
||||
return true;
|
||||
case Json::realValue:
|
||||
break;
|
||||
default: // including booleanValue, which isIntegral() would admit
|
||||
return false;
|
||||
}
|
||||
double const d = v.asDouble();
|
||||
if (!std::isfinite(d) || d != std::trunc(d) || d < -jsontx_exact_max ||
|
||||
d > jsontx_exact_max)
|
||||
return false;
|
||||
out = static_cast<std::int64_t>(d);
|
||||
return true;
|
||||
}
|
||||
|
||||
// STI_UINT64 renders as a fixed 16 digit hex string and so needs the value
|
||||
// unsigned. A negative is refused rather than wrapped: the old
|
||||
// static_cast<std::uint64_t>(v.asDouble()) was undefined for a negative or
|
||||
// oversized double, and a silent wrap would let -1 and 18446744073709551615
|
||||
// canonicalize to the same bytes.
|
||||
static std::uint64_t
|
||||
jsontx_u64(Json::Value const& v)
|
||||
{
|
||||
std::int64_t n = 0;
|
||||
if (!jsontx_exact(v, n) || n < 0)
|
||||
throw std::runtime_error(
|
||||
"jsontx: UInt64 must be an exact non-negative integer");
|
||||
return static_cast<std::uint64_t>(n);
|
||||
}
|
||||
|
||||
// Renders a javascript number as an exact integer. Anything this build cannot
|
||||
// reproduce digit for digit - a fraction, an infinity, a magnitude past 2^53 -
|
||||
// is rejected outright: shortest-round-trip rendering of a double is not
|
||||
// portable enough to sit in a consensus preimage, and nothing in a transaction
|
||||
// needs one. Fractional amounts arrive as strings, which is what the ledger
|
||||
// wants anyway.
|
||||
static std::string
|
||||
jsontx_num(Json::Value const& v)
|
||||
{
|
||||
std::int64_t n = 0;
|
||||
if (!jsontx_exact(v, n))
|
||||
throw std::runtime_error("jsontx: number must be an exact integer");
|
||||
return std::to_string(n);
|
||||
}
|
||||
|
||||
// Returns { sanitized, diff }. `sanitized` is the canonical form: whitespace
|
||||
// stripped, field names capitalized to their xahau spelling, members reordered
|
||||
// by field code, numbers reformatted per field type. `diff` is a binary delta
|
||||
// which, applied to `sanitized` by unsanitize_jsontx, reproduces `raw` byte for
|
||||
// byte. Throws on anything it cannot canonicalize.
|
||||
static std::pair<std::string, std::string>
|
||||
sanitize_jsontx(std::string_view raw)
|
||||
{
|
||||
if (raw.size() > jsontx_max_text)
|
||||
throw std::runtime_error("jsontx: document too large");
|
||||
|
||||
Json::Value jv;
|
||||
if (Json::Reader r; !r.parse(raw.data(), raw.data() + raw.size(), jv) ||
|
||||
!jv.isObject())
|
||||
throw std::runtime_error("jsontx: malformed json");
|
||||
|
||||
// (a plain recursive lambda; deducing-this would drop the std::function)
|
||||
std::function<
|
||||
void(Json::Value const&, SerializedTypeID, SField const*, std::string&)>
|
||||
emit = [&](Json::Value const& v,
|
||||
SerializedTypeID ty,
|
||||
SField const* fld,
|
||||
std::string& o) {
|
||||
if (v.isObject())
|
||||
{
|
||||
auto keys = v.getMemberNames();
|
||||
o += '{';
|
||||
if (ty == STI_OBJECT) // keys are xahau fields
|
||||
{
|
||||
std::vector<std::pair<SField const*, std::string>> ks;
|
||||
for (auto const& k : keys)
|
||||
{
|
||||
auto const& f = jsontx_field(k);
|
||||
if (f == sfInvalid)
|
||||
throw std::runtime_error(
|
||||
"jsontx: unknown field '" + k + "'");
|
||||
ks.emplace_back(&f, k);
|
||||
}
|
||||
std::sort(
|
||||
ks.begin(), ks.end(), [](auto const& a, auto const& b) {
|
||||
return a.first->fieldCode < b.first->fieldCode;
|
||||
});
|
||||
for (std::size_t n = 0; n < ks.size(); ++n)
|
||||
{
|
||||
auto const& [f, k] = ks[n];
|
||||
if (n && f == ks[n - 1].first) // e.g. "Fee" and "fee"
|
||||
throw std::runtime_error(
|
||||
"jsontx: duplicate field '" + f->fieldName +
|
||||
"'");
|
||||
if (o.back() != '{')
|
||||
o += ',';
|
||||
o += Json::valueToQuotedString(f->fieldName.c_str()) +
|
||||
':';
|
||||
emit(v[k], f->fieldType, f, o);
|
||||
}
|
||||
}
|
||||
else // amount / issue style subobject: lexicographic, quoted
|
||||
{
|
||||
std::sort(keys.begin(), keys.end());
|
||||
for (auto const& k : keys)
|
||||
{
|
||||
if (o.back() != '{')
|
||||
o += ',';
|
||||
o += Json::valueToQuotedString(k.c_str()) + ':';
|
||||
emit(v[k], STI_NOTPRESENT, nullptr, o);
|
||||
}
|
||||
}
|
||||
o += '}';
|
||||
}
|
||||
else if (v.isArray())
|
||||
{
|
||||
o += '[';
|
||||
for (auto const& e : v)
|
||||
{
|
||||
if (o.back() != '[')
|
||||
o += ',';
|
||||
emit(e, STI_OBJECT, nullptr, o);
|
||||
}
|
||||
o += ']';
|
||||
}
|
||||
else if (v.isString())
|
||||
{
|
||||
// Time is spelled Date().toISOString() in the preimage and
|
||||
// stored as an sfTime u64 of milliseconds. Re-emitting the
|
||||
// round-tripped spelling rather than the input is what makes
|
||||
// the canonical form a fixed point: any string that is not
|
||||
// exactly what jsontx_iso_str produces is rejected here.
|
||||
if (fld && *fld == sfTime)
|
||||
o += Json::valueToQuotedString(
|
||||
jsontx_iso_str(jsontx_iso(v.asString())).c_str());
|
||||
else
|
||||
o += Json::valueToQuotedString(v.asCString());
|
||||
}
|
||||
else if (v.isBool())
|
||||
o += v.asBool() ? "true" : "false";
|
||||
else if (v.isNull())
|
||||
throw std::runtime_error("jsontx: null value");
|
||||
else if (ty == STI_UINT8 || ty == STI_UINT16 || ty == STI_UINT32)
|
||||
o += jsontx_num(v); // small ints stay bare
|
||||
else if (ty == STI_UINT64)
|
||||
o += '"' + fmt::format("{:016X}", jsontx_u64(v)) + '"';
|
||||
else // amounts, u64, everything else the ledger wants as a string
|
||||
o += Json::valueToQuotedString(jsontx_num(v).c_str());
|
||||
};
|
||||
|
||||
std::string out;
|
||||
emit(jv, STI_OBJECT, nullptr, out);
|
||||
|
||||
// Greedy copy/insert delta over `raw`, sourcing from `out`.
|
||||
// op 0x00 <varint len> <bytes> literal
|
||||
// op 0x01 <varint off> <varint len> copy from sanitized
|
||||
std::string diff, lit;
|
||||
auto const gram = [](std::string_view s, std::size_t i) {
|
||||
return std::uint32_t(std::uint8_t(s[i])) << 24 |
|
||||
std::uint32_t(std::uint8_t(s[i + 1])) << 16 |
|
||||
std::uint32_t(std::uint8_t(s[i + 2])) << 8 |
|
||||
std::uint32_t(std::uint8_t(s[i + 3]));
|
||||
};
|
||||
auto const varint = [](std::string& o, std::uint64_t v) {
|
||||
do
|
||||
{
|
||||
std::uint8_t const c = v & 0x7F;
|
||||
v >>= 7;
|
||||
o += static_cast<char>(c | (v ? 0x80 : 0));
|
||||
} while (v);
|
||||
};
|
||||
auto const flush = [&] {
|
||||
if (lit.empty())
|
||||
return;
|
||||
diff += char(0);
|
||||
varint(diff, lit.size());
|
||||
diff += lit;
|
||||
lit.clear();
|
||||
};
|
||||
|
||||
// This encoder is normative - unsanitize_jsontx only accepts its exact
|
||||
// output - so it must emit identical bytes on every node and every stdlib.
|
||||
// An unordered container would not: bucket order for equal keys is
|
||||
// unspecified, and with a candidate cap that changes which match wins.
|
||||
std::map<std::uint32_t, std::vector<std::uint32_t>> idx;
|
||||
for (std::size_t i = 0; i + jsontx_min_copy <= out.size(); ++i)
|
||||
idx[gram(out, i)].push_back(i);
|
||||
|
||||
for (std::size_t i = 0; i < raw.size();)
|
||||
{
|
||||
std::size_t bo = 0, bl = 0;
|
||||
if (i + jsontx_min_copy <= raw.size())
|
||||
if (auto const it = idx.find(gram(raw, i)); it != idx.end())
|
||||
{
|
||||
std::size_t tried = 0;
|
||||
for (auto const off : it->second) // ascending, so ties keep
|
||||
{ // the lowest offset
|
||||
if (++tried > jsontx_max_cand)
|
||||
break;
|
||||
std::size_t l = 0;
|
||||
while (i + l < raw.size() && off + l < out.size() &&
|
||||
out[off + l] == raw[i + l])
|
||||
++l;
|
||||
if (l > bl)
|
||||
bl = l, bo = off;
|
||||
}
|
||||
}
|
||||
if (bl >= jsontx_min_copy)
|
||||
{
|
||||
flush();
|
||||
diff += char(1);
|
||||
varint(diff, bo);
|
||||
varint(diff, bl);
|
||||
i += bl;
|
||||
}
|
||||
else
|
||||
lit += raw[i++];
|
||||
}
|
||||
flush();
|
||||
|
||||
return {std::move(out), std::move(diff)};
|
||||
}
|
||||
|
||||
// Applies an UNTRUSTED delta to a canonical form the node derived itself.
|
||||
// Copies read only from `sanitized`, never from the output being built, so a
|
||||
// short delta cannot expand geometrically. Offsets and lengths are range
|
||||
// checked before use, varints are length- and minimality-bounded, and the two
|
||||
// encodings the encoder can never emit - an unmerged literal run, and a copy
|
||||
// abutting the previous copy in the source - are rejected. Throws on anything
|
||||
// else.
|
||||
static std::string
|
||||
unsanitize_jsontx(std::string_view sanitized, std::string_view diff)
|
||||
{
|
||||
if (sanitized.size() > jsontx_max_text || diff.size() > jsontx_max_diff)
|
||||
throw std::runtime_error("jsontx: oversize delta input");
|
||||
|
||||
std::string out;
|
||||
std::size_t p = 0, ops = 0, prevEnd = 0;
|
||||
int prev = -1;
|
||||
|
||||
auto const varint = [&](std::uint64_t max) -> std::uint64_t {
|
||||
std::uint64_t v = 0;
|
||||
for (int s = 0; s <= 21; s += 7) // four bytes; caps far under a shift
|
||||
{ // wide enough to be undefined
|
||||
if (p >= diff.size())
|
||||
throw std::runtime_error("jsontx: truncated delta");
|
||||
std::uint8_t const c = diff[p++];
|
||||
v |= std::uint64_t(c & 0x7F) << s;
|
||||
if (c & 0x80)
|
||||
continue;
|
||||
if (s && !(c & 0x7F))
|
||||
throw std::runtime_error("jsontx: non-minimal varint");
|
||||
if (v > max)
|
||||
throw std::runtime_error("jsontx: delta value out of range");
|
||||
return v;
|
||||
}
|
||||
throw std::runtime_error("jsontx: overlong varint");
|
||||
};
|
||||
|
||||
while (p < diff.size())
|
||||
{
|
||||
if (++ops > jsontx_max_ops)
|
||||
throw std::runtime_error("jsontx: too many delta ops");
|
||||
|
||||
std::uint8_t const op = diff[p++];
|
||||
if (op > 1)
|
||||
throw std::runtime_error("jsontx: unknown delta op");
|
||||
|
||||
std::size_t n = 0;
|
||||
if (op == 0) // literal
|
||||
{
|
||||
if (prev == 0)
|
||||
throw std::runtime_error("jsontx: unmerged literal run");
|
||||
n = varint(jsontx_max_text);
|
||||
if (n == 0 || n > diff.size() - p)
|
||||
throw std::runtime_error("jsontx: bad literal length");
|
||||
if (out.size() + n > jsontx_max_text)
|
||||
throw std::runtime_error("jsontx: delta expands too far");
|
||||
out += diff.substr(p, n);
|
||||
p += n;
|
||||
}
|
||||
else // copy from the canonical form
|
||||
{
|
||||
auto const off = varint(sanitized.size());
|
||||
n = varint(sanitized.size() - off);
|
||||
if (n < jsontx_min_copy)
|
||||
throw std::runtime_error("jsontx: undersize copy");
|
||||
if (prev == 1 && off == prevEnd)
|
||||
throw std::runtime_error("jsontx: unmerged copy run");
|
||||
if (out.size() + n > jsontx_max_text)
|
||||
throw std::runtime_error("jsontx: delta expands too far");
|
||||
out += sanitized.substr(off, n);
|
||||
prevEnd = off + n;
|
||||
}
|
||||
prev = op;
|
||||
}
|
||||
|
||||
if (out.empty())
|
||||
throw std::runtime_error("jsontx: empty delta");
|
||||
return out;
|
||||
}
|
||||
|
||||
// The complete untrusted-side check, in one place so the RPC path and the
|
||||
// relay/consensus path cannot drift. Takes the transaction exactly as it came
|
||||
// off the wire and returns the reconstructed preimage.
|
||||
static std::string
|
||||
jsontx_verify(STTx const& stx, std::string_view diff)
|
||||
{
|
||||
if (!stx.isFieldPresent(sfTxnSignature) || stx.isFieldPresent(sfSigners))
|
||||
throw std::runtime_error("jsontx: expects a lone TxnSignature");
|
||||
|
||||
// Out comes everything the signer did not have in front of them: the
|
||||
// signature, and (once the field exists) the delta carrier. SigningPubKey
|
||||
// stays. It being inside the preimage is what binds key to signature and
|
||||
// stops a third party re-signing a captured preimage under their own key.
|
||||
auto txj = stx.STObject::getJson(JsonOptions::none);
|
||||
txj.removeMember(sfTxnSignature.fieldName);
|
||||
|
||||
// sfTime is a u64 of milliseconds on the wire and an ISO 8601 instant in
|
||||
// the preimage. The two are a bijection over the representable range, so
|
||||
// this is a rewrite rather than a reconstruction and the delta carries
|
||||
// nothing for the field.
|
||||
if (stx.isFieldPresent(sfTime))
|
||||
txj[sfTime.fieldName] = jsontx_iso_str(stx.getFieldU64(sfTime));
|
||||
|
||||
auto const pkb = stx.getSigningPubKey();
|
||||
if (publicKeyType(makeSlice(pkb)) != KeyType::ed25519)
|
||||
throw std::runtime_error("jsontx: SigningPubKey must be ed25519");
|
||||
|
||||
// canonical form, derived only from data the node has already validated
|
||||
auto const san = sanitize_jsontx(Json::FastWriter{}.write(txj)).first;
|
||||
|
||||
// reconstruct the signed preimage under the caps above
|
||||
auto const raw = unsanitize_jsontx(san, diff);
|
||||
|
||||
// Bind the preimage to the transaction. This is the load-bearing check,
|
||||
// not a sanity check: a delta of pure literals can reconstruct ANY text,
|
||||
// so without it any ed25519 signature the key ever produced over anything
|
||||
// at all would authorise this transaction. Comparing the delta too - not
|
||||
// just the canonical form - makes the delta a pure function of the
|
||||
// preimage, which rules out a second delta reconstructing the same bytes
|
||||
// and yielding a second valid transaction id.
|
||||
auto const [san2, diff2] = sanitize_jsontx(raw);
|
||||
if (san2 != san || diff2 != diff)
|
||||
throw std::runtime_error("jsontx: preimage does not match transaction");
|
||||
|
||||
if (!verify(
|
||||
PublicKey(makeSlice(pkb)),
|
||||
makeSlice(raw),
|
||||
makeSlice(stx.getFieldVL(sfTxnSignature))))
|
||||
throw std::runtime_error("jsontx: signature does not verify");
|
||||
|
||||
return raw;
|
||||
}
|
||||
|
||||
} // namespace ripple
|
||||
#endif
|
||||
@@ -1,81 +0,0 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of rippled: https://github.com/ripple/rippled
|
||||
Copyright (c) 2025 Ripple Labs Inc.
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#ifndef RIPPLE_PROTOCOL_JSONTX_H_INCLUDED
|
||||
#define RIPPLE_PROTOCOL_JSONTX_H_INCLUDED
|
||||
|
||||
#include <xrpl/basics/Blob.h>
|
||||
#include <xrpl/basics/Expected.h>
|
||||
#include <xrpl/basics/Slice.h>
|
||||
#include <xrpl/basics/base_uint.h>
|
||||
#include <xrpl/protocol/STTx.h>
|
||||
|
||||
namespace ripple {
|
||||
namespace jsonTx {
|
||||
|
||||
/** Returns true iff the STObject declares a sfJsonTxBody field.
|
||||
|
||||
Used as a routing predicate: a transaction with this field present
|
||||
is claimed to use the "json-tx" signing scheme and must be validated
|
||||
through jsonTx::checkSignature / checkStructuralEquivalence. An
|
||||
empty body field still counts as "claimed json-tx" so the empty
|
||||
case is reported as a clean failure instead of silently falling
|
||||
back to the classical sig path.
|
||||
*/
|
||||
[[nodiscard]] bool
|
||||
hasBody(STObject const& obj) noexcept;
|
||||
|
||||
/** Borrow a Slice over the ASCII body bytes.
|
||||
|
||||
Returns an empty slice if sfJsonTxBody is not present. The slice is
|
||||
valid for as long as the STObject the field belongs to.
|
||||
*/
|
||||
[[nodiscard]] Slice
|
||||
body(STObject const& obj);
|
||||
|
||||
/** SHA-512-Half of the body bytes.
|
||||
|
||||
This is the deterministic "ASCII signing digest" used by json-tx:
|
||||
the bytes the client sees as their message are hashed with SHA-512
|
||||
and truncated to 256 bits, the same digest convention rippled uses
|
||||
elsewhere. Returns a zero-valued hash if sfJsonTxBody is absent.
|
||||
*/
|
||||
[[nodiscard]] uint256
|
||||
bodyHash(STObject const& obj);
|
||||
|
||||
/** Signature check only: verify sfTxnSignature against the raw bytes of
|
||||
sfJsonTxBody using sfSigningPubKey.
|
||||
|
||||
The classical signing payload is NOT used. This is the json-tx
|
||||
analogue of STTx::checkSingleSign and is intended to be called from
|
||||
the same code path (e.g. STTx::checkSign).
|
||||
|
||||
Precondition: `stx` carries a non-empty sfJsonTxBody.
|
||||
*/
|
||||
[[nodiscard]] Expected<void, std::string>
|
||||
checkSignature(STTx const& stx);
|
||||
|
||||
/** Structural-equivalence check: parse sfJsonTxBody as JSON and confirm
|
||||
it serialises to the same canonical binary as the other structural
|
||||
fields of `stx` (excluding sfTxnSignature and sfJsonTxBody).
|
||||
|
||||
This is a local-check style rule -- it should run alongside
|
||||
passesLocalChecks, not inside the signature verification path.
|
||||
|
||||
Precondition: `stx` carries a non-empty sfJsonTxBody.
|
||||
*/
|
||||
[[nodiscard]] Expected<void, std::string>
|
||||
checkStructuralEquivalence(STTx const& stx);
|
||||
|
||||
} // namespace jsonTx
|
||||
} // namespace ripple
|
||||
|
||||
#endif
|
||||
@@ -34,13 +34,13 @@
|
||||
// If you add an amendment here, then do not forget to increment `numFeatures`
|
||||
// in include/xrpl/protocol/Feature.h.
|
||||
|
||||
XRPL_FEATURE(JsonTx, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FIX (HookMap, Supported::yes, VoteBehavior::DefaultYes)
|
||||
XRPL_FIX (GuardDepth32, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FEATURE(NamedHooks, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FEATURE(IOURewardClaim, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FIX (IOULockedBalanceInvariant, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FIX (ImportIssuer, Supported::yes, VoteBehavior::DefaultYes)
|
||||
XRPL_FEATURE(JsonTx, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FEATURE(HookAPISerializedType240, Supported::yes, VoteBehavior::DefaultNo)
|
||||
XRPL_FEATURE(PermissionedDomains, Supported::no, VoteBehavior::DefaultNo)
|
||||
XRPL_FEATURE(DynamicNFT, Supported::no, VoteBehavior::DefaultNo)
|
||||
|
||||
@@ -153,6 +153,7 @@ TYPED_SFIELD(sfOutstandingAmount, UINT64, 25, SField::sMD_BaseTen|SFie
|
||||
TYPED_SFIELD(sfMPTAmount, UINT64, 26, SField::sMD_BaseTen|SField::sMD_Default)
|
||||
TYPED_SFIELD(sfIssuerNode, UINT64, 27)
|
||||
TYPED_SFIELD(sfSubjectNode, UINT64, 28)
|
||||
TYPED_SFIELD(sfTime, UINT64, 96)
|
||||
TYPED_SFIELD(sfTouchCount, UINT64, 97)
|
||||
TYPED_SFIELD(sfAccountIndex, UINT64, 98)
|
||||
TYPED_SFIELD(sfAccountCount, UINT64, 99)
|
||||
@@ -293,10 +294,7 @@ TYPED_SFIELD(sfAssetClass, VL, 29)
|
||||
TYPED_SFIELD(sfProvider, VL, 30)
|
||||
TYPED_SFIELD(sfMPTokenMetadata, VL, 31)
|
||||
TYPED_SFIELD(sfCredentialType, VL, 32)
|
||||
// json-tx: the exact ASCII bytes the client signed; authoritative over
|
||||
// the classical signing payload when present. Not part of the classical
|
||||
// signing-payload computation (the bytes ARE the signing payload).
|
||||
TYPED_SFIELD(sfJsonTxBody, VL, 33, SField::sMD_Default, SField::notSigning)
|
||||
TYPED_SFIELD(sfJsonTxDelta, VL, 96)
|
||||
TYPED_SFIELD(sfHookName, VL, 97)
|
||||
TYPED_SFIELD(sfRemarkValue, VL, 98)
|
||||
TYPED_SFIELD(sfRemarkName, VL, 99)
|
||||
|
||||
@@ -630,6 +630,7 @@ JSS(server_status); // out: NetworkOPs
|
||||
JSS(server_version); // out: NetworkOPs
|
||||
JSS(settle_delay); // out: AccountChannels
|
||||
JSS(severity); // in: LogLevel
|
||||
JSS(sig);
|
||||
JSS(signature); // out: NetworkOPs, ChannelAuthorize
|
||||
JSS(signature_verified); // out: ChannelVerify
|
||||
JSS(signing_key); // out: NetworkOPs
|
||||
|
||||
@@ -1,20 +0,0 @@
|
||||
[project]
|
||||
name = "json-tx"
|
||||
version = "0.0.1"
|
||||
description = "Prototype: canonical packing of (tx_json_str, signature) using ripple-binary-codec output as an LZ dictionary"
|
||||
requires-python = ">=3.10"
|
||||
dependencies = [
|
||||
"xrpl-py>=4.0.0",
|
||||
]
|
||||
|
||||
[build-system]
|
||||
requires = ["hatchling"]
|
||||
build-backend = "hatchling.build"
|
||||
|
||||
[tool.hatch.build.targets.wheel]
|
||||
packages = ["src/json_tx"]
|
||||
|
||||
[tool.uv]
|
||||
dev-dependencies = [
|
||||
"pytest>=8.0",
|
||||
]
|
||||
@@ -1,24 +0,0 @@
|
||||
from json_tx import patch # noqa: F401 -- side-effect: register JsonTxCompressed
|
||||
from json_tx.codec import (
|
||||
JSON_TX_FIELD,
|
||||
TAGS,
|
||||
canonical_json,
|
||||
compress_stream,
|
||||
decompress_stream,
|
||||
pack,
|
||||
pack_wire,
|
||||
unpack,
|
||||
unpack_wire,
|
||||
)
|
||||
|
||||
__all__ = [
|
||||
"JSON_TX_FIELD",
|
||||
"TAGS",
|
||||
"canonical_json",
|
||||
"compress_stream",
|
||||
"decompress_stream",
|
||||
"pack",
|
||||
"pack_wire",
|
||||
"unpack",
|
||||
"unpack_wire",
|
||||
]
|
||||
@@ -1,79 +0,0 @@
|
||||
"""Demo: compare classical binary, raw JSON+sig, and JsonTxCompressed wire."""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import json
|
||||
|
||||
from xrpl.core.binarycodec import encode, encode_for_signing
|
||||
from xrpl.core.keypairs import (
|
||||
derive_classic_address,
|
||||
derive_keypair,
|
||||
generate_seed,
|
||||
sign,
|
||||
)
|
||||
|
||||
from json_tx import canonical_json, compress_stream, pack_wire, unpack_wire
|
||||
|
||||
|
||||
SAMPLE_TX = {
|
||||
"TransactionType": "Payment",
|
||||
"Account": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
|
||||
"Destination": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
|
||||
"Amount": "1000000",
|
||||
"Fee": "12",
|
||||
"Sequence": 1,
|
||||
"Flags": 2147483648,
|
||||
"SigningPubKey": "",
|
||||
}
|
||||
|
||||
|
||||
def _report(label: str, tx: dict, tx_json_str: str, priv: str) -> None:
|
||||
signature = bytes.fromhex(sign(tx_json_str.encode().hex(), priv))
|
||||
|
||||
# 1. Classical signed wire: full binary with TxnSignature (what xrpl does today).
|
||||
classical_signing = bytes.fromhex(encode_for_signing(tx))
|
||||
classical_signed_dict = dict(tx)
|
||||
classical_signed_dict["TxnSignature"] = signature.hex().upper()
|
||||
classical_wire = bytes.fromhex(encode(classical_signed_dict))
|
||||
|
||||
# 2. Naive JSON submission: tx_json_str + signature (what json-tx wants to replace).
|
||||
raw_json_plus_sig = len(tx_json_str) + len(signature)
|
||||
|
||||
# 3. json-tx wire: classical binary (ex TxnSignature) + JsonTxCompressed + TxnSignature.
|
||||
stream = compress_stream(tx_json_str, tx_json=tx)
|
||||
jsontx_wire = pack_wire(tx_json_str, signature)
|
||||
|
||||
print(f"\n== {label} ==")
|
||||
print(f" tx_json_str : {len(tx_json_str):5d} bytes")
|
||||
print(f" signature : {len(signature):5d} bytes")
|
||||
print(f" classical binary (signing payload): {len(classical_signing):5d} bytes")
|
||||
print(f" classical wire (binary + sig) : {len(classical_wire):5d} bytes <- today")
|
||||
print(f" raw JSON + sig (bytes sent) : {raw_json_plus_sig:5d} bytes <- naive json submit")
|
||||
print(f" JsonTxCompressed stream alone : {len(stream):5d} bytes [mode=0x{stream[0]:02x}]")
|
||||
print(f" json-tx wire (classical + stream) : {len(jsontx_wire):5d} bytes <- proposed")
|
||||
delta_vs_classical = len(jsontx_wire) - len(classical_wire)
|
||||
print(f" overhead vs classical wire : {delta_vs_classical:+5d} bytes")
|
||||
delta_vs_raw = len(jsontx_wire) - raw_json_plus_sig
|
||||
print(f" overhead vs raw JSON+sig : {delta_vs_raw:+5d} bytes")
|
||||
|
||||
recovered_tx, recovered_str, recovered_sig = unpack_wire(jsontx_wire)
|
||||
assert recovered_str == tx_json_str
|
||||
assert recovered_sig == signature
|
||||
assert recovered_tx == tx
|
||||
|
||||
|
||||
def main() -> None:
|
||||
seed = generate_seed()
|
||||
pub, priv = derive_keypair(seed)
|
||||
tx = dict(SAMPLE_TX)
|
||||
tx["Account"] = derive_classic_address(pub)
|
||||
tx["SigningPubKey"] = pub
|
||||
|
||||
_report("canonical tx_json_str (ordinal order, no whitespace)",
|
||||
tx, canonical_json(tx), priv)
|
||||
_report("non-canonical tx_json_str (insertion order + spaces)",
|
||||
tx, json.dumps(tx, separators=(", ", ": ")), priv)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
@@ -1,384 +0,0 @@
|
||||
"""
|
||||
json-tx: field-aware packer for (tx_json_str, signature).
|
||||
|
||||
The ripple binary codec already decomposes a transaction into ordered
|
||||
(field_name, canonical_bytes) pairs. We reuse that as the dictionary.
|
||||
|
||||
Opcode stream:
|
||||
OP_FIELD i -> render field i exactly as it appears in tx_json_str
|
||||
OP_TAG t -> emit a glue snippet from TAGS (',', ':', '"', ...)
|
||||
OP_RAW n <bytes> -> n bytes of literal passthrough
|
||||
OP_END -> terminator
|
||||
|
||||
The stream is what gets stored in the `JsonTxCompressed` Blob field on
|
||||
the wire. The TxnSignature field still carries the ed25519/secp256k1
|
||||
signature, but that signature is now over the ASCII `tx_json_str`, not
|
||||
the classical signing payload.
|
||||
"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import json
|
||||
from dataclasses import dataclass
|
||||
from typing import Any
|
||||
|
||||
from xrpl.core.binarycodec.definitions.field_instance import FieldInstance
|
||||
from xrpl.core.binarycodec.types.st_object import STObject
|
||||
|
||||
# `patch` registers the JsonTxCompressed field. Imported for its side effect.
|
||||
from json_tx import patch as _patch # noqa: F401
|
||||
|
||||
OP_FIELD = 0x01 # emit `"<name>":<canonical-value>` (tight pair)
|
||||
OP_TAG = 0x02 # emit a structural glue byte
|
||||
OP_RAW = 0x03 # length-prefixed literal bytes
|
||||
OP_NAME = 0x04 # emit `"<name>"` for field i
|
||||
OP_VALUE = 0x05 # emit canonical rendering of field i's value
|
||||
OP_END = 0x00
|
||||
|
||||
# Mode byte at the head of every stream.
|
||||
MODE_CANONICAL = 0x00 # body is an OP_* stream; tx_json_str reconstructs via dictionary
|
||||
MODE_VERBATIM = 0x01 # body is raw UTF-8 tx_json_str, length-prefixed
|
||||
|
||||
JSON_TX_FIELD = _patch.FIELD_NAME
|
||||
|
||||
# Structural glue. INVARIANT: no tag may end in `"` -- otherwise it would
|
||||
# eat the leading `"` of a field NAME/FIELD rendering and prevent re-align.
|
||||
# Order: longest first so the greedy matcher picks the most specific glue.
|
||||
TAGS: list[bytes] = [
|
||||
# comma-based field separators
|
||||
b",\n ",
|
||||
b",\n\t",
|
||||
b",\n ",
|
||||
b",\n ",
|
||||
b",\n",
|
||||
b", ",
|
||||
# colon-based name:value separators
|
||||
b": ",
|
||||
b": ",
|
||||
# leading indent after `{`
|
||||
b"\n ",
|
||||
b"\n\t",
|
||||
b"\n ",
|
||||
b"\n ",
|
||||
# single chars
|
||||
b"{",
|
||||
b"}",
|
||||
b"[",
|
||||
b"]",
|
||||
b",",
|
||||
b":",
|
||||
b'"',
|
||||
b" ",
|
||||
b"\n",
|
||||
b"\t",
|
||||
]
|
||||
|
||||
|
||||
# ---------- varint (unsigned LEB128) ----------
|
||||
|
||||
def _vw(n: int) -> bytes:
|
||||
if n < 0:
|
||||
raise ValueError("varint must be non-negative")
|
||||
out = bytearray()
|
||||
while True:
|
||||
b = n & 0x7F
|
||||
n >>= 7
|
||||
if n:
|
||||
out.append(b | 0x80)
|
||||
else:
|
||||
out.append(b)
|
||||
return bytes(out)
|
||||
|
||||
|
||||
def _vr(buf: bytes, i: int) -> tuple[int, int]:
|
||||
n = 0
|
||||
shift = 0
|
||||
while True:
|
||||
b = buf[i]
|
||||
i += 1
|
||||
n |= (b & 0x7F) << shift
|
||||
if not (b & 0x80):
|
||||
return n, i
|
||||
shift += 7
|
||||
|
||||
|
||||
# ---------- canonical field extraction ----------
|
||||
|
||||
@dataclass
|
||||
class CanonField:
|
||||
name: str
|
||||
instance: FieldInstance
|
||||
canonical_bytes: bytes
|
||||
value: Any
|
||||
|
||||
|
||||
def _ordered_fields_from_dict(tx_json: dict, *, skip: set[str]) -> list[CanonField]:
|
||||
"""Serialize tx_json once through STObject, then re-parse to slice each field."""
|
||||
from xrpl.core.binarycodec.binary_wrappers.binary_parser import BinaryParser
|
||||
from xrpl.core.binarycodec.definitions import definitions
|
||||
|
||||
tx_for_enc = {k: v for k, v in tx_json.items() if k not in skip}
|
||||
st = STObject.from_value(tx_for_enc)
|
||||
blob = bytes(st)
|
||||
|
||||
parser = BinaryParser(blob.hex())
|
||||
total = len(parser)
|
||||
fields: list[CanonField] = []
|
||||
while not parser.is_end():
|
||||
start = total - len(parser)
|
||||
fi = parser.read_field()
|
||||
parser.read_field_value(fi)
|
||||
end = total - len(parser)
|
||||
fields.append(
|
||||
CanonField(
|
||||
name=fi.name,
|
||||
instance=definitions.get_field_instance(fi.name),
|
||||
canonical_bytes=blob[start:end],
|
||||
value=tx_json[fi.name],
|
||||
)
|
||||
)
|
||||
return fields
|
||||
|
||||
|
||||
def _render_name(name: str) -> bytes:
|
||||
"""Render `"Name"` including the enclosing double-quotes."""
|
||||
return json.dumps(name, separators=(",", ":")).encode()
|
||||
|
||||
|
||||
def _render_value(value: Any) -> bytes:
|
||||
"""Render the canonical JSON form of a value."""
|
||||
return json.dumps(value, separators=(",", ":")).encode()
|
||||
|
||||
|
||||
def _render_field_json(name: str, value: Any) -> bytes:
|
||||
"""Render one tight `"Name":<value>` pair -- no whitespace."""
|
||||
return _render_name(name) + b":" + _render_value(value)
|
||||
|
||||
|
||||
def canonical_json(tx_json: dict) -> str:
|
||||
"""Serialize tx_json with fields in canonical (ordinal) order.
|
||||
|
||||
The signed ASCII JSON must match this ordering so the opcode stream
|
||||
can walk fields in lock-step with the binary dictionary. Any field the
|
||||
codec does not recognize falls to the tail in insertion order.
|
||||
"""
|
||||
from xrpl.core.binarycodec.definitions import definitions
|
||||
|
||||
known, unknown = [], []
|
||||
for k, v in tx_json.items():
|
||||
try:
|
||||
fi = definitions.get_field_instance(k)
|
||||
known.append((fi.ordinal, k, v))
|
||||
except Exception:
|
||||
unknown.append((k, v))
|
||||
known.sort(key=lambda x: x[0])
|
||||
ordered = [(k, v) for _o, k, v in known] + unknown
|
||||
body = ",".join(
|
||||
f"{json.dumps(k, separators=(',', ':'))}:"
|
||||
f"{json.dumps(v, separators=(',', ':'))}"
|
||||
for k, v in ordered
|
||||
)
|
||||
return "{" + body + "}"
|
||||
|
||||
|
||||
# ---------- stream codec (opcode layer only) ----------
|
||||
|
||||
def compress_stream(tx_json_str: str, *, tx_json: dict | None = None) -> bytes:
|
||||
"""Encode tx_json_str using tx_json's fields as dictionary.
|
||||
|
||||
Opcodes (after the mode byte):
|
||||
OP_FIELD i -- `"Name":<canonical-value>` tight pair (no whitespace)
|
||||
OP_NAME i -- `"Name"` alone (enclosing quotes included)
|
||||
OP_VALUE i -- canonical rendering of field i's value
|
||||
OP_TAG t -- structural glue from TAGS
|
||||
OP_RAW n.. -- literal passthrough
|
||||
|
||||
The matcher at each cursor position tries, longest-match first:
|
||||
1. OP_FIELD against any unused field pair
|
||||
2. OP_NAME against any unused field name
|
||||
3. OP_VALUE against any unused field value
|
||||
4. OP_TAG
|
||||
5. OP_RAW (one byte, coalesced)
|
||||
|
||||
If the resulting OP stream is not shorter than a verbatim copy, we
|
||||
emit MODE_VERBATIM instead.
|
||||
"""
|
||||
if tx_json is None:
|
||||
tx_json = json.loads(tx_json_str)
|
||||
src = tx_json_str.encode()
|
||||
|
||||
fields = _ordered_fields_from_dict(
|
||||
tx_json, skip={"TxnSignature", JSON_TX_FIELD}
|
||||
)
|
||||
name_render = [_render_name(f.name) for f in fields]
|
||||
value_render = [_render_value(f.value) for f in fields]
|
||||
pair_render = [name_render[i] + b":" + value_render[i] for i in range(len(fields))]
|
||||
|
||||
unused_pair = set(range(len(fields)))
|
||||
unused_name = set(range(len(fields)))
|
||||
unused_value = set(range(len(fields)))
|
||||
|
||||
body = bytearray()
|
||||
raw_buf = bytearray()
|
||||
|
||||
def flush_raw() -> None:
|
||||
if raw_buf:
|
||||
body.append(OP_RAW)
|
||||
body.extend(_vw(len(raw_buf)))
|
||||
body.extend(raw_buf)
|
||||
raw_buf.clear()
|
||||
|
||||
def best_match(candidates: set[int], renders: list[bytes], at: int) -> tuple[int, int]:
|
||||
best_idx, best_len = -1, 0
|
||||
for idx in candidates:
|
||||
r = renders[idx]
|
||||
if len(r) > best_len and src.startswith(r, at):
|
||||
best_idx, best_len = idx, len(r)
|
||||
return best_idx, best_len
|
||||
|
||||
i = 0
|
||||
while i < len(src):
|
||||
# Try the tight FIELD match first -- cheapest per byte of output.
|
||||
idx, hit = best_match(unused_pair, pair_render, i)
|
||||
if idx >= 0:
|
||||
flush_raw()
|
||||
body.append(OP_FIELD)
|
||||
body.extend(_vw(idx))
|
||||
i += hit
|
||||
unused_pair.discard(idx)
|
||||
unused_name.discard(idx)
|
||||
unused_value.discard(idx)
|
||||
continue
|
||||
|
||||
# Then NAME (standalone), preferring longer names over shorter ones.
|
||||
idx, hit = best_match(unused_name, name_render, i)
|
||||
if idx >= 0:
|
||||
flush_raw()
|
||||
body.append(OP_NAME)
|
||||
body.extend(_vw(idx))
|
||||
i += hit
|
||||
unused_name.discard(idx)
|
||||
unused_pair.discard(idx) # no longer a "pair" candidate
|
||||
continue
|
||||
|
||||
# Then VALUE (standalone).
|
||||
idx, hit = best_match(unused_value, value_render, i)
|
||||
if idx >= 0:
|
||||
flush_raw()
|
||||
body.append(OP_VALUE)
|
||||
body.extend(_vw(idx))
|
||||
i += hit
|
||||
unused_value.discard(idx)
|
||||
unused_pair.discard(idx)
|
||||
continue
|
||||
|
||||
# Structural glue.
|
||||
tag_hit = -1
|
||||
for t_idx, tag in enumerate(TAGS):
|
||||
if src.startswith(tag, i):
|
||||
tag_hit = t_idx
|
||||
break
|
||||
if tag_hit >= 0:
|
||||
flush_raw()
|
||||
body.append(OP_TAG)
|
||||
body.extend(_vw(tag_hit))
|
||||
i += len(TAGS[tag_hit])
|
||||
continue
|
||||
|
||||
raw_buf.append(src[i])
|
||||
i += 1
|
||||
|
||||
flush_raw()
|
||||
body.append(OP_END)
|
||||
|
||||
op_form = bytes([MODE_CANONICAL]) + bytes(body)
|
||||
verbatim = bytes([MODE_VERBATIM]) + _vw(len(src)) + src
|
||||
return op_form if len(op_form) <= len(verbatim) else verbatim
|
||||
|
||||
|
||||
def decompress_stream(stream: bytes, tx_json_for_dict: dict) -> str:
|
||||
"""Rebuild tx_json_str from a json-tx stream + a parsed tx dict (dictionary source)."""
|
||||
mode = stream[0]
|
||||
i = 1
|
||||
if mode == MODE_VERBATIM:
|
||||
ln, i = _vr(stream, i)
|
||||
return stream[i : i + ln].decode()
|
||||
if mode != MODE_CANONICAL:
|
||||
raise ValueError(f"unknown json-tx stream mode 0x{mode:02x}")
|
||||
|
||||
fields = _ordered_fields_from_dict(
|
||||
tx_json_for_dict,
|
||||
skip={"TxnSignature", JSON_TX_FIELD},
|
||||
)
|
||||
name_render = [_render_name(f.name) for f in fields]
|
||||
value_render = [_render_value(f.value) for f in fields]
|
||||
pair_render = [name_render[i] + b":" + value_render[i] for i in range(len(fields))]
|
||||
|
||||
out = bytearray()
|
||||
while i < len(stream):
|
||||
op = stream[i]
|
||||
i += 1
|
||||
if op == OP_END:
|
||||
break
|
||||
if op == OP_FIELD:
|
||||
idx, i = _vr(stream, i)
|
||||
out += pair_render[idx]
|
||||
elif op == OP_NAME:
|
||||
idx, i = _vr(stream, i)
|
||||
out += name_render[idx]
|
||||
elif op == OP_VALUE:
|
||||
idx, i = _vr(stream, i)
|
||||
out += value_render[idx]
|
||||
elif op == OP_TAG:
|
||||
idx, i = _vr(stream, i)
|
||||
out += TAGS[idx]
|
||||
elif op == OP_RAW:
|
||||
ln, i = _vr(stream, i)
|
||||
out += stream[i : i + ln]
|
||||
i += ln
|
||||
else:
|
||||
raise ValueError(f"unknown opcode 0x{op:02x} at offset {i - 1}")
|
||||
return out.decode()
|
||||
|
||||
|
||||
# ---------- wire-tx pack/unpack (full binary with JsonTxCompressed) ----------
|
||||
|
||||
def pack_wire(tx_json_str: str, signature: bytes) -> bytes:
|
||||
"""Build the on-wire binary tx: canonical binary + JsonTxCompressed + TxnSignature.
|
||||
|
||||
`tx_json_str` is the exact ASCII bytes the client signed -- any field
|
||||
order / whitespace. `signature` is the raw signature over those bytes.
|
||||
"""
|
||||
from xrpl.core.binarycodec.main import encode
|
||||
|
||||
tx_json = json.loads(tx_json_str)
|
||||
stream = compress_stream(tx_json_str, tx_json=tx_json)
|
||||
wire_dict = dict(tx_json)
|
||||
wire_dict[JSON_TX_FIELD] = stream.hex().upper()
|
||||
wire_dict["TxnSignature"] = signature.hex().upper()
|
||||
return bytes.fromhex(encode(wire_dict))
|
||||
|
||||
|
||||
def unpack_wire(wire: bytes) -> tuple[dict, str, bytes]:
|
||||
"""Decode the wire tx back into (tx_json_dict, tx_json_str, signature)."""
|
||||
from xrpl.core.binarycodec.main import decode
|
||||
|
||||
decoded = decode(wire.hex().upper())
|
||||
stream_hex = decoded.pop(JSON_TX_FIELD)
|
||||
sig_hex = decoded.pop("TxnSignature")
|
||||
# The dictionary is the other fields of the tx, i.e. the decoded dict
|
||||
# minus the scaffolding keys (already removed above).
|
||||
tx_json_str = decompress_stream(bytes.fromhex(stream_hex), decoded)
|
||||
return json.loads(tx_json_str), tx_json_str, bytes.fromhex(sig_hex)
|
||||
|
||||
|
||||
# ---------- convenience ----------
|
||||
|
||||
def pack(tx_json: dict, signature: bytes) -> bytes:
|
||||
"""Alias for pack_wire for the common case."""
|
||||
return pack_wire(tx_json, signature)
|
||||
|
||||
|
||||
def unpack(wire: bytes) -> tuple[dict, bytes]:
|
||||
tx_json, _, sig = unpack_wire(wire)
|
||||
return tx_json, sig
|
||||
@@ -1,50 +0,0 @@
|
||||
"""Runtime monkey-patch: register a `JsonTxCompressed` Blob field.
|
||||
|
||||
Import this module (or call `register_json_tx_field()`) before using the
|
||||
binary codec so that a transaction dict containing `JsonTxCompressed`
|
||||
will serialize it as a Blob and parse it back out.
|
||||
|
||||
The field is intentionally `isSigningField=False` — the ASCII JSON is
|
||||
what TxnSignature signs, not the binary form, so this field must not
|
||||
participate in any classical signing payload.
|
||||
"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
from xrpl.core.binarycodec.definitions import definitions as _d
|
||||
from xrpl.core.binarycodec.definitions.field_header import FieldHeader
|
||||
from xrpl.core.binarycodec.definitions.field_info import FieldInfo
|
||||
|
||||
FIELD_NAME = "JsonTxCompressed"
|
||||
_TYPE_NAME = "Blob"
|
||||
|
||||
|
||||
def _pick_free_nth_for_type(type_name: str) -> int:
|
||||
"""Find an unused `nth` code within the given type so there's no header clash."""
|
||||
type_code = _d._TYPE_ORDINAL_MAP[type_name]
|
||||
taken = {
|
||||
h.field_code for h in _d._FIELD_HEADER_NAME_MAP if h.type_code == type_code
|
||||
}
|
||||
for n in range(1, 255):
|
||||
if n not in taken:
|
||||
return n
|
||||
raise RuntimeError(f"no free nth code for type {type_name}")
|
||||
|
||||
|
||||
def register_json_tx_field() -> None:
|
||||
if FIELD_NAME in _d._FIELD_INFO_MAP:
|
||||
return
|
||||
nth = _pick_free_nth_for_type(_TYPE_NAME)
|
||||
info = FieldInfo(
|
||||
nth=nth,
|
||||
is_variable_length_encoded=True,
|
||||
is_serialized=True,
|
||||
is_signing_field=False,
|
||||
type_name=_TYPE_NAME,
|
||||
)
|
||||
header = FieldHeader(_d._TYPE_ORDINAL_MAP[_TYPE_NAME], nth)
|
||||
_d._FIELD_INFO_MAP[FIELD_NAME] = info
|
||||
_d._FIELD_HEADER_NAME_MAP[header] = FIELD_NAME
|
||||
|
||||
|
||||
register_json_tx_field()
|
||||
@@ -1,63 +0,0 @@
|
||||
import json
|
||||
|
||||
from xrpl.core.keypairs import derive_classic_address, derive_keypair, generate_seed, sign
|
||||
|
||||
from json_tx import compress_stream, decompress_stream, pack_wire, unpack_wire
|
||||
|
||||
|
||||
def _signed(tx: dict) -> tuple[dict, str, bytes]:
|
||||
seed = generate_seed()
|
||||
pub, priv = derive_keypair(seed)
|
||||
tx = dict(tx)
|
||||
tx["Account"] = derive_classic_address(pub)
|
||||
tx["SigningPubKey"] = pub
|
||||
from json_tx import canonical_json
|
||||
tx_json_str = canonical_json(tx)
|
||||
sig = bytes.fromhex(sign(tx_json_str.encode().hex(), priv))
|
||||
return tx, tx_json_str, sig
|
||||
|
||||
|
||||
def test_wire_roundtrip():
|
||||
tx, tx_json_str, sig = _signed({
|
||||
"TransactionType": "Payment",
|
||||
"Destination": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
|
||||
"Amount": "1000000",
|
||||
"Fee": "12",
|
||||
"Sequence": 1,
|
||||
"Flags": 2147483648,
|
||||
})
|
||||
wire = pack_wire(tx_json_str, sig)
|
||||
recovered_tx, recovered_str, recovered_sig = unpack_wire(wire)
|
||||
assert recovered_str == tx_json_str
|
||||
assert recovered_sig == sig
|
||||
assert recovered_tx == tx
|
||||
|
||||
|
||||
def test_stream_roundtrip_direct():
|
||||
tx, tx_json_str, _ = _signed({
|
||||
"TransactionType": "Payment",
|
||||
"Destination": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
|
||||
"Amount": "2500000",
|
||||
"Fee": "15",
|
||||
"Sequence": 42,
|
||||
"Flags": 0,
|
||||
})
|
||||
stream = compress_stream(tx_json_str, tx_json=tx)
|
||||
rebuilt = decompress_stream(stream, tx)
|
||||
assert rebuilt == tx_json_str
|
||||
|
||||
|
||||
def test_raw_fallback_preserved():
|
||||
# Unusual whitespace -> RAW opcodes. Dictionary still reconstructs losslessly.
|
||||
tx = {
|
||||
"TransactionType": "Payment",
|
||||
"Account": "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
|
||||
"Destination": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
|
||||
"Amount": "1",
|
||||
"Fee": "12",
|
||||
"Sequence": 1,
|
||||
"SigningPubKey": "",
|
||||
}
|
||||
odd = '{ "TransactionType" : "Payment" }'
|
||||
stream = compress_stream(odd, tx_json=tx)
|
||||
assert decompress_stream(stream, tx) == odd
|
||||
476
json-tx-py/uv.lock
generated
476
json-tx-py/uv.lock
generated
@@ -1,476 +0,0 @@
|
||||
version = 1
|
||||
revision = 3
|
||||
requires-python = ">=3.10"
|
||||
|
||||
[[package]]
|
||||
name = "anyio"
|
||||
version = "4.13.0"
|
||||
source = { registry = "https://pypi.org/simple" }
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||||
dependencies = [
|
||||
{ name = "exceptiongroup", marker = "python_full_version < '3.11'" },
|
||||
{ name = "idna" },
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{ name = "typing-extensions", marker = "python_full_version < '3.13'" },
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[[package]]
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[[package]]
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[[package]]
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|
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||||
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||||
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|
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||||
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|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[package.dev-dependencies]
|
||||
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|
||||
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|
||||
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|
||||
|
||||
[package.metadata]
|
||||
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||||
|
||||
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|
||||
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||||
|
||||
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wheels = [
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@@ -1,187 +0,0 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of rippled: https://github.com/ripple/rippled
|
||||
Copyright (c) 2025 Ripple Labs Inc.
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#include <xrpl/protocol/JsonTx.h>
|
||||
|
||||
#include <xrpl/basics/StringUtilities.h>
|
||||
#include <xrpl/basics/strHex.h>
|
||||
#include <xrpl/json/json_reader.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/SField.h>
|
||||
#include <xrpl/protocol/STBase.h>
|
||||
#include <xrpl/protocol/STBlob.h>
|
||||
#include <xrpl/protocol/STObject.h>
|
||||
#include <xrpl/protocol/STParsedJSON.h>
|
||||
#include <xrpl/protocol/Serializer.h>
|
||||
#include <xrpl/protocol/digest.h>
|
||||
#include <xrpl/protocol/jss.h>
|
||||
|
||||
#include <algorithm>
|
||||
#include <initializer_list>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
namespace ripple {
|
||||
namespace jsonTx {
|
||||
|
||||
namespace {
|
||||
|
||||
/** Canonical serialization of `obj` with the given fields removed.
|
||||
STObject's own serialization already sorts by field code, but we
|
||||
have to walk the fields ourselves to skip the json-tx wrapper
|
||||
entries rather than mutate the object. */
|
||||
Blob
|
||||
canonicalSerialization(
|
||||
STObject const& obj,
|
||||
std::initializer_list<SField const*> skip)
|
||||
{
|
||||
std::vector<STBase const*> fields;
|
||||
for (auto const& entry : obj)
|
||||
{
|
||||
if (entry.getSType() == STI_NOTPRESENT)
|
||||
continue;
|
||||
bool skipped = false;
|
||||
for (SField const* s : skip)
|
||||
if (entry.getFName() == *s)
|
||||
{
|
||||
skipped = true;
|
||||
break;
|
||||
}
|
||||
if (!skipped)
|
||||
fields.push_back(&entry);
|
||||
}
|
||||
std::sort(
|
||||
fields.begin(), fields.end(), [](STBase const* a, STBase const* b) {
|
||||
return a->getFName().fieldCode < b->getFName().fieldCode;
|
||||
});
|
||||
|
||||
Serializer s;
|
||||
for (STBase const* f : fields)
|
||||
{
|
||||
f->addFieldID(s);
|
||||
f->add(s);
|
||||
auto const sType = f->getSType();
|
||||
if (sType == STI_ARRAY || sType == STI_OBJECT)
|
||||
s.addFieldID(sType, 1);
|
||||
}
|
||||
return s.getData();
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
bool
|
||||
hasBody(STObject const& obj) noexcept
|
||||
{
|
||||
try
|
||||
{
|
||||
return obj.isFieldPresent(sfJsonTxBody);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Slice
|
||||
body(STObject const& obj)
|
||||
{
|
||||
if (!obj.isFieldPresent(sfJsonTxBody))
|
||||
return Slice{};
|
||||
// peekAtField gives us a view into the STObject's owned storage;
|
||||
// STBlob::value() returns a Slice over that storage directly.
|
||||
auto const& field = obj.peekAtField(sfJsonTxBody);
|
||||
return static_cast<STBlob const&>(field).value();
|
||||
}
|
||||
|
||||
uint256
|
||||
bodyHash(STObject const& obj)
|
||||
{
|
||||
auto const s = body(obj);
|
||||
if (s.empty())
|
||||
return uint256{};
|
||||
return sha512Half(s);
|
||||
}
|
||||
|
||||
Expected<void, std::string>
|
||||
checkSignature(STTx const& stx)
|
||||
{
|
||||
if (!hasBody(stx))
|
||||
return Unexpected<std::string>("JsonTxBody field is missing.");
|
||||
|
||||
auto const bodySlice = body(stx);
|
||||
if (bodySlice.empty())
|
||||
return Unexpected<std::string>("JsonTxBody is empty.");
|
||||
|
||||
if (!stx.isFieldPresent(sfSigningPubKey))
|
||||
return Unexpected<std::string>("SigningPubKey is missing.");
|
||||
|
||||
Blob const spk = stx.getFieldVL(sfSigningPubKey);
|
||||
if (!publicKeyType(makeSlice(spk)))
|
||||
return Unexpected<std::string>("SigningPubKey is not a valid key.");
|
||||
|
||||
if (!stx.isFieldPresent(sfTxnSignature))
|
||||
return Unexpected<std::string>("TxnSignature is missing.");
|
||||
|
||||
Blob const sig = stx.getFieldVL(sfTxnSignature);
|
||||
if (sig.empty())
|
||||
return Unexpected<std::string>("TxnSignature is empty.");
|
||||
|
||||
if (!verify(PublicKey(makeSlice(spk)), bodySlice, makeSlice(sig)))
|
||||
return Unexpected<std::string>(
|
||||
"Signature over JsonTxBody failed verification.");
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
Expected<void, std::string>
|
||||
checkStructuralEquivalence(STTx const& stx)
|
||||
{
|
||||
if (!hasBody(stx))
|
||||
return Unexpected<std::string>("JsonTxBody field is missing.");
|
||||
|
||||
auto const bodySlice = body(stx);
|
||||
if (bodySlice.empty())
|
||||
return Unexpected<std::string>("JsonTxBody is empty.");
|
||||
|
||||
std::string const bodyStr(
|
||||
reinterpret_cast<char const*>(bodySlice.data()), bodySlice.size());
|
||||
|
||||
Json::Value parsed;
|
||||
Json::Reader reader;
|
||||
if (!reader.parse(bodyStr, parsed) || !parsed.isObject())
|
||||
return Unexpected<std::string>(
|
||||
"JsonTxBody is not a valid JSON object.");
|
||||
|
||||
STParsedJSONObject parsedObj("JsonTxBody", parsed);
|
||||
if (!parsedObj.object)
|
||||
return Unexpected<std::string>(
|
||||
"JsonTxBody does not parse into a valid STObject: " +
|
||||
(parsedObj.error.isMember(jss::error_message)
|
||||
? parsedObj.error[jss::error_message].asString()
|
||||
: std::string("unknown parse error")));
|
||||
|
||||
// The json-tx wrapper fields (TxnSignature, JsonTxBody) are excluded
|
||||
// from both sides: TxnSignature covers the body bytes (not the
|
||||
// binary), and JsonTxBody is the body itself.
|
||||
std::initializer_list<SField const*> const skip{
|
||||
&sfTxnSignature, &sfJsonTxBody};
|
||||
|
||||
if (canonicalSerialization(stx, skip) !=
|
||||
canonicalSerialization(*parsedObj.object, skip))
|
||||
return Unexpected<std::string>(
|
||||
"JsonTxBody content does not match the structural fields "
|
||||
"of the transaction.");
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
} // namespace jsonTx
|
||||
} // namespace ripple
|
||||
@@ -25,7 +25,6 @@
|
||||
#include <xrpl/json/to_string.h>
|
||||
#include <xrpl/protocol/Feature.h>
|
||||
#include <xrpl/protocol/HashPrefix.h>
|
||||
#include <xrpl/protocol/JsonTx.h>
|
||||
#include <xrpl/protocol/Protocol.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/STAccount.h>
|
||||
@@ -217,14 +216,6 @@ STTx::checkSign(
|
||||
{
|
||||
try
|
||||
{
|
||||
// json-tx: when sfJsonTxBody is present and the amendment is
|
||||
// active, the signature covers the raw ASCII bytes of the body
|
||||
// instead of the classical signing payload. Structural
|
||||
// equivalence between the body and the other STTx fields is
|
||||
// enforced separately in passesLocalChecks.
|
||||
if (rules.enabled(featureJsonTx) && jsonTx::hasBody(*this))
|
||||
return jsonTx::checkSignature(*this);
|
||||
|
||||
// Determine whether we're single- or multi-signing by looking
|
||||
// at the SigningPubKey. If it's empty we must be
|
||||
// multi-signing. Otherwise we're single-signing.
|
||||
@@ -672,21 +663,6 @@ passesLocalChecks(STObject const& st, std::string& reason)
|
||||
return false;
|
||||
}
|
||||
|
||||
// json-tx: if the tx carries sfJsonTxBody, its parsed content must
|
||||
// match the other structural fields. We can only run this when the
|
||||
// object is actually an STTx -- passesLocalChecks is also called on
|
||||
// nested STObjects that don't participate in the json-tx scheme.
|
||||
if (auto const* stx = dynamic_cast<STTx const*>(&st);
|
||||
stx && jsonTx::hasBody(*stx))
|
||||
{
|
||||
if (auto const result = jsonTx::checkStructuralEquivalence(*stx);
|
||||
!result)
|
||||
{
|
||||
reason = result.error();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
@@ -43,13 +43,14 @@ TxFormats::TxFormats()
|
||||
{sfSigningPubKey, soeREQUIRED},
|
||||
{sfTicketSequence, soeOPTIONAL},
|
||||
{sfTxnSignature, soeOPTIONAL},
|
||||
{sfJsonTxBody, soeOPTIONAL}, // json-tx: ASCII bytes that were signed
|
||||
{sfSigners, soeOPTIONAL}, // submit_multisigned
|
||||
{sfSigners, soeOPTIONAL}, // submit_multisigned
|
||||
{sfEmitDetails, soeOPTIONAL},
|
||||
{sfFirstLedgerSequence, soeOPTIONAL},
|
||||
{sfNetworkID, soeOPTIONAL},
|
||||
{sfHookParameters, soeOPTIONAL},
|
||||
{sfHookName, soeOPTIONAL},
|
||||
{sfTime, soeOPTIONAL},
|
||||
{sfJsonTxDelta, soeOPTIONAL},
|
||||
};
|
||||
|
||||
#pragma push_macro("UNWRAP")
|
||||
|
||||
@@ -1,436 +0,0 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of rippled: https://github.com/ripple/rippled
|
||||
Copyright (c) 2025 Ripple Labs Inc.
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
#include <test/jtx.h>
|
||||
#include <xrpl/basics/Slice.h>
|
||||
#include <xrpl/basics/strHex.h>
|
||||
#include <xrpl/json/json_reader.h>
|
||||
#include <xrpl/protocol/Feature.h>
|
||||
#include <xrpl/protocol/JsonTx.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/STParsedJSON.h>
|
||||
#include <xrpl/protocol/SecretKey.h>
|
||||
#include <xrpl/protocol/Sign.h>
|
||||
#include <xrpl/protocol/digest.h>
|
||||
#include <xrpl/protocol/jss.h>
|
||||
|
||||
namespace ripple {
|
||||
namespace test {
|
||||
|
||||
struct JsonTx_test : public beast::unit_test::suite
|
||||
{
|
||||
// Build a canonical Payment tx_json_str for `from` -> `to` with the given
|
||||
// drops amount and sequence. Field order follows XRPL ordinal order so
|
||||
// the json-tx codec can compress it maximally; tests here don't care
|
||||
// about compression but the node accepts any valid JSON shape.
|
||||
static std::string
|
||||
buildPaymentJson(
|
||||
jtx::Account const& from,
|
||||
jtx::Account const& to,
|
||||
std::uint64_t amountDrops,
|
||||
std::uint32_t sequence,
|
||||
std::uint64_t fee)
|
||||
{
|
||||
std::string const pkHex = strHex(from.pk().slice());
|
||||
std::ostringstream os;
|
||||
os << "{"
|
||||
<< R"("TransactionType":"Payment",)"
|
||||
<< R"("Flags":2147483648,)"
|
||||
<< R"("Sequence":)" << sequence << ","
|
||||
<< R"("Amount":")" << amountDrops << R"(",)"
|
||||
<< R"("Fee":")" << fee << R"(",)"
|
||||
<< R"("SigningPubKey":")" << pkHex << R"(",)"
|
||||
<< R"("Account":")" << from.human() << R"(",)"
|
||||
<< R"("Destination":")" << to.human() << R"(")"
|
||||
<< "}";
|
||||
return os.str();
|
||||
}
|
||||
|
||||
// Sign the UTF-8 bytes of tx_json_str with `from`'s secret key.
|
||||
static Buffer
|
||||
signBody(jtx::Account const& from, std::string const& tx_json_str)
|
||||
{
|
||||
return sign(
|
||||
from.pk(),
|
||||
from.sk(),
|
||||
Slice{tx_json_str.data(), tx_json_str.size()});
|
||||
}
|
||||
|
||||
static Json::Value
|
||||
rpcSubmit(
|
||||
jtx::Env& env,
|
||||
std::string const& tx_json_str,
|
||||
Buffer const& signature)
|
||||
{
|
||||
Json::Value params(Json::objectValue);
|
||||
params["tx_json_str"] = tx_json_str;
|
||||
params[jss::signature] = strHex(signature);
|
||||
return env.rpc("json", "submit_json_tx", to_string(params));
|
||||
}
|
||||
|
||||
// ---------- RPC-level tests ----------
|
||||
|
||||
void
|
||||
testEnabledGate(FeatureBitset features)
|
||||
{
|
||||
testcase("enabled (feature gate)");
|
||||
using namespace jtx;
|
||||
|
||||
for (bool const withFeature : {true, false})
|
||||
{
|
||||
auto const amend =
|
||||
withFeature ? features : features - featureJsonTx;
|
||||
Env env{*this, amend};
|
||||
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
env.fund(XRP(1000), alice, bob);
|
||||
env.close();
|
||||
|
||||
auto const fee = env.current()->fees().base.drops();
|
||||
auto const txJson =
|
||||
buildPaymentJson(alice, bob, 1'000'000, env.seq(alice), fee);
|
||||
auto const sig = signBody(alice, txJson);
|
||||
auto const result = rpcSubmit(env, txJson, sig);
|
||||
env.close();
|
||||
|
||||
auto const& inner = result[jss::result];
|
||||
if (withFeature)
|
||||
{
|
||||
BEAST_EXPECT(inner[jss::engine_result] == "tesSUCCESS");
|
||||
BEAST_EXPECT(inner[jss::applied].asBool());
|
||||
}
|
||||
else
|
||||
{
|
||||
// Amendment is off -> the RPC itself rejects the
|
||||
// submission before any classical verification.
|
||||
BEAST_EXPECT(inner[jss::error].asString() == "notEnabled");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
testBasicRoundtrip(FeatureBitset features)
|
||||
{
|
||||
testcase("basic payment roundtrip");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
env.fund(XRP(1000), alice, bob);
|
||||
env.close();
|
||||
|
||||
auto const preAlice = env.balance(alice);
|
||||
auto const preBob = env.balance(bob);
|
||||
auto const feeDrops = env.current()->fees().base;
|
||||
|
||||
auto const txJson = buildPaymentJson(
|
||||
alice, bob, 1'000'000, env.seq(alice), feeDrops.drops());
|
||||
auto const sig = signBody(alice, txJson);
|
||||
|
||||
auto const result = rpcSubmit(env, txJson, sig);
|
||||
env.close();
|
||||
|
||||
auto const& inner = result[jss::result];
|
||||
BEAST_EXPECT(inner[jss::engine_result] == "tesSUCCESS");
|
||||
BEAST_EXPECT(inner[jss::applied].asBool());
|
||||
BEAST_EXPECT(inner["tx_json_str"].asString() == txJson);
|
||||
|
||||
BEAST_EXPECT(env.balance(alice) == preAlice - XRP(1) - feeDrops);
|
||||
BEAST_EXPECT(env.balance(bob) == preBob + XRP(1));
|
||||
}
|
||||
|
||||
void
|
||||
testMissingParams(FeatureBitset features)
|
||||
{
|
||||
testcase("missing params");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
env.fund(XRP(1000), alice);
|
||||
env.close();
|
||||
|
||||
auto const txJson = buildPaymentJson(
|
||||
alice,
|
||||
Account{"bob"},
|
||||
1'000'000,
|
||||
env.seq(alice),
|
||||
env.current()->fees().base.drops());
|
||||
auto const sig = signBody(alice, txJson);
|
||||
|
||||
// No tx_json_str.
|
||||
{
|
||||
Json::Value p(Json::objectValue);
|
||||
p[jss::signature] = strHex(sig);
|
||||
auto const r = env.rpc("json", "submit_json_tx", to_string(p));
|
||||
BEAST_EXPECT(r[jss::result][jss::error] == "invalidParams");
|
||||
}
|
||||
|
||||
// No signature.
|
||||
{
|
||||
Json::Value p(Json::objectValue);
|
||||
p["tx_json_str"] = txJson;
|
||||
auto const r = env.rpc("json", "submit_json_tx", to_string(p));
|
||||
BEAST_EXPECT(r[jss::result][jss::error] == "invalidParams");
|
||||
}
|
||||
|
||||
// Signature is not valid hex.
|
||||
{
|
||||
Json::Value p(Json::objectValue);
|
||||
p["tx_json_str"] = txJson;
|
||||
p[jss::signature] = "notahex";
|
||||
auto const r = env.rpc("json", "submit_json_tx", to_string(p));
|
||||
BEAST_EXPECT(r[jss::result][jss::error] == "invalidParams");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
testInvalidJson(FeatureBitset features)
|
||||
{
|
||||
testcase("invalid tx_json_str");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
env.fund(XRP(1000), alice);
|
||||
env.close();
|
||||
|
||||
// Syntactically invalid JSON.
|
||||
{
|
||||
std::string const bad = "{not valid json";
|
||||
auto const sig = signBody(alice, bad);
|
||||
auto const r = rpcSubmit(env, bad, sig);
|
||||
BEAST_EXPECT(
|
||||
r[jss::result][jss::error].asString() == "invalidTransaction");
|
||||
}
|
||||
|
||||
// Valid JSON but not an object.
|
||||
{
|
||||
std::string const arr = R"([1,2,3])";
|
||||
auto const sig = signBody(alice, arr);
|
||||
auto const r = rpcSubmit(env, arr, sig);
|
||||
BEAST_EXPECT(
|
||||
r[jss::result][jss::error].asString() == "invalidTransaction");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
testBadSignature(FeatureBitset features)
|
||||
{
|
||||
testcase("bad signature");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
env.fund(XRP(1000), alice, bob);
|
||||
env.close();
|
||||
|
||||
auto const txJson = buildPaymentJson(
|
||||
alice,
|
||||
bob,
|
||||
1'000'000,
|
||||
env.seq(alice),
|
||||
env.current()->fees().base.drops());
|
||||
auto sig = signBody(alice, txJson);
|
||||
|
||||
// Flip a bit in the signature.
|
||||
std::vector<std::uint8_t> corrupted(
|
||||
sig.data(), sig.data() + sig.size());
|
||||
corrupted.at(0) ^= 0x01;
|
||||
Buffer bad(corrupted.data(), corrupted.size());
|
||||
|
||||
auto const result = rpcSubmit(env, txJson, bad);
|
||||
BEAST_EXPECT(
|
||||
result[jss::result][jss::error].asString() == "invalidTransaction");
|
||||
}
|
||||
|
||||
void
|
||||
testSignatureOverDifferentBytesFails(FeatureBitset features)
|
||||
{
|
||||
testcase("signature over different bytes");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
env.fund(XRP(1000), alice, bob);
|
||||
env.close();
|
||||
|
||||
auto const txJson = buildPaymentJson(
|
||||
alice,
|
||||
bob,
|
||||
1'000'000,
|
||||
env.seq(alice),
|
||||
env.current()->fees().base.drops());
|
||||
// Sign a different string -- same tx, different bytes.
|
||||
auto const otherJson = txJson + " ";
|
||||
auto const sig = signBody(alice, otherJson);
|
||||
|
||||
auto const result = rpcSubmit(env, txJson, sig);
|
||||
BEAST_EXPECT(
|
||||
result[jss::result][jss::error].asString() == "invalidTransaction");
|
||||
}
|
||||
|
||||
void
|
||||
testWrongSigningPubKey(FeatureBitset features)
|
||||
{
|
||||
testcase("wrong SigningPubKey");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
Account const mallory{"mallory"};
|
||||
env.fund(XRP(1000), alice, bob, mallory);
|
||||
env.close();
|
||||
|
||||
// Alice's account, but signed with mallory's key: claim alice's
|
||||
// SigningPubKey -> sig fails to verify. Then also try with
|
||||
// mallory's SigningPubKey: sig verifies but Account mismatch
|
||||
// causes downstream failure (tecNO_AUTH or similar).
|
||||
auto txJson = buildPaymentJson(
|
||||
alice,
|
||||
bob,
|
||||
1'000'000,
|
||||
env.seq(alice),
|
||||
env.current()->fees().base.drops());
|
||||
auto const badSig = signBody(mallory, txJson);
|
||||
|
||||
auto const r = rpcSubmit(env, txJson, badSig);
|
||||
BEAST_EXPECT(
|
||||
r[jss::result][jss::error].asString() == "invalidTransaction");
|
||||
}
|
||||
|
||||
// ---------- helper-level unit tests (no RPC) ----------
|
||||
|
||||
void
|
||||
testHelperDirectly(FeatureBitset features)
|
||||
{
|
||||
testcase("helper functions direct");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
Account const bob{"bob"};
|
||||
env.fund(XRP(1000), alice, bob);
|
||||
env.close();
|
||||
|
||||
std::string const txJson = buildPaymentJson(
|
||||
alice,
|
||||
bob,
|
||||
1'000'000,
|
||||
env.seq(alice),
|
||||
env.current()->fees().base.drops());
|
||||
auto const sig = signBody(alice, txJson);
|
||||
|
||||
// Assemble an STTx mirroring what the node would produce from
|
||||
// submit_json_tx.
|
||||
Json::Value parsed;
|
||||
Json::Reader reader;
|
||||
BEAST_EXPECT(reader.parse(txJson, parsed) && parsed.isObject());
|
||||
|
||||
parsed[jss::TxnSignature] = strHex(sig);
|
||||
parsed[sfJsonTxBody.jsonName] = strHex(txJson);
|
||||
|
||||
STParsedJSONObject parsedObj("tx", parsed);
|
||||
BEAST_EXPECT(static_cast<bool>(parsedObj.object));
|
||||
STTx const stx(std::move(*parsedObj.object));
|
||||
|
||||
// hasBody / body / bodyHash
|
||||
BEAST_EXPECT(jsonTx::hasBody(stx));
|
||||
auto const slice = jsonTx::body(stx);
|
||||
BEAST_EXPECT(slice.size() == txJson.size());
|
||||
BEAST_EXPECT(
|
||||
std::memcmp(slice.data(), txJson.data(), txJson.size()) == 0);
|
||||
auto const h = jsonTx::bodyHash(stx);
|
||||
BEAST_EXPECT(h == sha512Half(Slice{txJson.data(), txJson.size()}));
|
||||
|
||||
// Signature check passes on a well-formed tx.
|
||||
BEAST_EXPECT(static_cast<bool>(jsonTx::checkSignature(stx)));
|
||||
|
||||
// Structural equivalence passes.
|
||||
BEAST_EXPECT(
|
||||
static_cast<bool>(jsonTx::checkStructuralEquivalence(stx)));
|
||||
|
||||
// Tamper with the body -- change Amount in the ASCII without
|
||||
// touching the structural fields. Signature will still be over
|
||||
// the original bytes, so we re-sign over the new body so we
|
||||
// isolate the structural-equivalence check.
|
||||
std::string tampered = txJson;
|
||||
auto const needle = std::string(R"("Amount":"1000000")");
|
||||
auto const pos = tampered.find(needle);
|
||||
BEAST_EXPECT(pos != std::string::npos);
|
||||
tampered.replace(pos, needle.size(), R"("Amount":"9000000")");
|
||||
|
||||
auto const tamperedSig = signBody(alice, tampered);
|
||||
Json::Value mismatched = parsed;
|
||||
mismatched[jss::TxnSignature] = strHex(tamperedSig);
|
||||
mismatched[sfJsonTxBody.jsonName] = strHex(tampered);
|
||||
|
||||
STParsedJSONObject mismatchedObj("tx", mismatched);
|
||||
BEAST_EXPECT(static_cast<bool>(mismatchedObj.object));
|
||||
STTx const mismatchedTx(std::move(*mismatchedObj.object));
|
||||
|
||||
// Signature now verifies over the tampered body...
|
||||
BEAST_EXPECT(static_cast<bool>(jsonTx::checkSignature(mismatchedTx)));
|
||||
// ...but structural equivalence fails.
|
||||
BEAST_EXPECT(!jsonTx::checkStructuralEquivalence(mismatchedTx));
|
||||
}
|
||||
|
||||
void
|
||||
testHelperEmptyAndMissing(FeatureBitset features)
|
||||
{
|
||||
testcase("helpers on non-jsontx STTx");
|
||||
using namespace jtx;
|
||||
|
||||
Env env{*this, features};
|
||||
Account const alice{"alice"};
|
||||
env.fund(XRP(1000), alice);
|
||||
env.close();
|
||||
|
||||
// A noop signed classically carries no sfJsonTxBody.
|
||||
auto const jt = env.jt(noop(alice));
|
||||
BEAST_EXPECT(!jsonTx::hasBody(*jt.stx));
|
||||
BEAST_EXPECT(jsonTx::body(*jt.stx).empty());
|
||||
BEAST_EXPECT(jsonTx::bodyHash(*jt.stx) == uint256{});
|
||||
}
|
||||
|
||||
void
|
||||
testWithFeats(FeatureBitset features)
|
||||
{
|
||||
testEnabledGate(features);
|
||||
testBasicRoundtrip(features);
|
||||
testMissingParams(features);
|
||||
testInvalidJson(features);
|
||||
testBadSignature(features);
|
||||
testSignatureOverDifferentBytesFails(features);
|
||||
testWrongSigningPubKey(features);
|
||||
testHelperDirectly(features);
|
||||
testHelperEmptyAndMissing(features);
|
||||
}
|
||||
|
||||
public:
|
||||
void
|
||||
run() override
|
||||
{
|
||||
using namespace jtx;
|
||||
auto const sa = supported_amendments();
|
||||
testWithFeats(sa);
|
||||
}
|
||||
};
|
||||
|
||||
BEAST_DEFINE_TESTSUITE(JsonTx, app, ripple);
|
||||
|
||||
} // namespace test
|
||||
} // namespace ripple
|
||||
@@ -170,10 +170,6 @@ Handler const handlerArray[]{
|
||||
{"simulate", byRef(&doSimulate), Role::USER, NEEDS_CURRENT_LEDGER},
|
||||
{"stop", byRef(&doStop), Role::ADMIN, NO_CONDITION},
|
||||
{"submit", byRef(&doSubmit), Role::USER, NEEDS_CURRENT_LEDGER},
|
||||
{"submit_json_tx",
|
||||
byRef(&doSubmitJsonTx),
|
||||
Role::USER,
|
||||
NEEDS_CURRENT_LEDGER},
|
||||
{"submit_multisigned",
|
||||
byRef(&doSubmitMultiSigned),
|
||||
Role::USER,
|
||||
|
||||
@@ -147,8 +147,6 @@ doInject(RPC::JsonContext&);
|
||||
Json::Value
|
||||
doSubmit(RPC::JsonContext&);
|
||||
Json::Value
|
||||
doSubmitJsonTx(RPC::JsonContext&);
|
||||
Json::Value
|
||||
doSubmitMultiSigned(RPC::JsonContext&);
|
||||
Json::Value
|
||||
doSubscribe(RPC::JsonContext&);
|
||||
|
||||
@@ -26,10 +26,17 @@
|
||||
#include <xrpld/rpc/GRPCHandlers.h>
|
||||
#include <xrpld/rpc/detail/RPCHelpers.h>
|
||||
#include <xrpld/rpc/detail/TransactionSign.h>
|
||||
#include <xrpl/json/json_reader.h>
|
||||
#include <xrpl/json/json_writer.h>
|
||||
#include <xrpl/protocol/ErrorCodes.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/RPCErr.h>
|
||||
#include <xrpl/protocol/SField.h>
|
||||
#include <xrpl/protocol/STParsedJSON.h>
|
||||
#include <xrpl/resource/Fees.h>
|
||||
|
||||
#include <xrpl/protocol/JSONTxSignatures.h>
|
||||
|
||||
namespace ripple {
|
||||
|
||||
static NetworkOPs::FailHard
|
||||
@@ -83,7 +90,8 @@ doInject(RPC::JsonContext& context)
|
||||
}
|
||||
|
||||
// {
|
||||
// tx_blob: <string> XOR tx_json: <object>,
|
||||
// tx_blob: <string> XOR tx_json: <object>
|
||||
// XOR { tx: <json text>, signature: <hex> },
|
||||
// secret: <secret>
|
||||
// }
|
||||
Json::Value
|
||||
@@ -91,7 +99,18 @@ doSubmit(RPC::JsonContext& context)
|
||||
{
|
||||
context.loadType = Resource::feeMediumBurdenRPC;
|
||||
|
||||
if (!context.params.isMember(jss::tx_blob))
|
||||
bool const hasJsonTx = context.ledgerMaster.getCurrentLedger()->rules().enabled(featureJsonTx);
|
||||
|
||||
bool const isJsonTx = !context.params.isMember(jss::tx_blob) &&
|
||||
context.params.isMember(jss::tx) &&
|
||||
context.params.isMember(jss::sig);
|
||||
|
||||
if (isJsonTx && !hasJsonTx)
|
||||
return RPC::make_error(
|
||||
rpcNOT_SUPPORTED, "JsonTx is not enabled yet.");
|
||||
|
||||
|
||||
if (!context.params.isMember(jss::tx_blob) && !isJsonTx)
|
||||
{
|
||||
auto const failType = getFailHard(context);
|
||||
|
||||
@@ -119,18 +138,73 @@ doSubmit(RPC::JsonContext& context)
|
||||
|
||||
Json::Value jvResult;
|
||||
|
||||
auto ret = strUnHex(context.params[jss::tx_blob].asString());
|
||||
std::optional<Blob> ret;
|
||||
if (!isJsonTx)
|
||||
{
|
||||
ret = strUnHex(context.params[jss::tx_blob].asString());
|
||||
|
||||
if (!ret || !ret->size())
|
||||
return rpcError(rpcINVALID_PARAMS);
|
||||
|
||||
SerialIter sitTrans(makeSlice(*ret));
|
||||
if (!ret || !ret->size())
|
||||
return rpcError(rpcINVALID_PARAMS);
|
||||
}
|
||||
|
||||
std::shared_ptr<STTx const> stTx;
|
||||
|
||||
try
|
||||
{
|
||||
stTx = std::make_shared<STTx const>(std::ref(sitTrans));
|
||||
if (!isJsonTx)
|
||||
{
|
||||
SerialIter sitTrans(makeSlice(*ret));
|
||||
stTx = std::make_shared<STTx const>(std::ref(sitTrans));
|
||||
}
|
||||
else
|
||||
{
|
||||
std::string const raw = context.params[jss::tx].asString();
|
||||
auto const [san, diff] = sanitize_jsontx(raw);
|
||||
auto const sig = strUnHex(context.params[jss::sig].asString());
|
||||
if (!sig || sig->empty())
|
||||
throw std::runtime_error("JsonTx: bad signature");
|
||||
|
||||
Json::Value jv;
|
||||
if (Json::Reader r; !r.parse(san, jv))
|
||||
throw std::runtime_error("JsonTx: unparsable canonical form");
|
||||
|
||||
// The preimage carries the key but not the signature over itself.
|
||||
for (auto const& n :
|
||||
{sfTxnSignature.fieldName, sfSigners.fieldName})
|
||||
if (jv.isMember(n))
|
||||
throw std::runtime_error(
|
||||
"JsonTx: " + n + " must not appear in tx");
|
||||
if (!jv.isMember(sfSigningPubKey.fieldName))
|
||||
throw std::runtime_error("JsonTx: tx must carry SigningPubKey");
|
||||
|
||||
// Hand the parser the u64 rather than teaching STUInt64 a second
|
||||
// spelling; the ISO form only ever exists in the preimage.
|
||||
std::optional<std::uint64_t> ms;
|
||||
if (jv.isMember(sfTime.fieldName))
|
||||
{
|
||||
ms = jsontx_iso(jv[sfTime.fieldName].asString());
|
||||
jv.removeMember(sfTime.fieldName);
|
||||
}
|
||||
|
||||
STParsedJSONObject parsed("tx_json", jv);
|
||||
if (!parsed.object)
|
||||
throw std::runtime_error(
|
||||
parsed.error[jss::error_message].asString());
|
||||
if (ms)
|
||||
parsed.object->setFieldU64(sfTime, *ms);
|
||||
parsed.object->setFieldVL(sfTxnSignature, *sig);
|
||||
stTx = std::make_shared<STTx const>(std::move(*parsed.object));
|
||||
|
||||
// Round-trip the binary codec, then run the exact check a relaying
|
||||
// node will run, so this path cannot accept anything the network
|
||||
// would later reject.
|
||||
Serializer s;
|
||||
stTx->add(s);
|
||||
SerialIter si(s.slice());
|
||||
STTx const rt{si};
|
||||
if (jsontx_verify(rt, diff) != raw)
|
||||
throw std::runtime_error("JsonTx: does not round-trip");
|
||||
}
|
||||
}
|
||||
catch (std::exception& e)
|
||||
{
|
||||
@@ -141,7 +215,9 @@ doSubmit(RPC::JsonContext& context)
|
||||
}
|
||||
|
||||
{
|
||||
if (!context.app.checkSigs())
|
||||
// JsonTx signs the plaintext preimage rather than the binary one, so
|
||||
// the binary TxnSignature check is satisfied out of band above.
|
||||
if (!context.app.checkSigs() || isJsonTx)
|
||||
forceValidity(
|
||||
context.app.getHashRouter(),
|
||||
stTx->getTransactionID(),
|
||||
|
||||
@@ -1,239 +0,0 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
This file is part of rippled: https://github.com/ripple/rippled
|
||||
Copyright (c) 2012-2014 Ripple Labs Inc.
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
// submit_json_tx -- prototype json-tx submission path.
|
||||
//
|
||||
// Request:
|
||||
// {
|
||||
// "tx_json_str": "<exact ASCII bytes the client signed>",
|
||||
// "signature": "<hex-encoded signature over tx_json_str>"
|
||||
// }
|
||||
//
|
||||
// Pipeline:
|
||||
// 1. Parse tx_json_str as JSON.
|
||||
// 2. Verify `signature` over the UTF-8 bytes of tx_json_str using
|
||||
// SigningPubKey from the parsed object -- NOT the classical
|
||||
// signing payload.
|
||||
// 3. Build an STTx from the parsed object + signature.
|
||||
// 4. forceValidity(SigGoodOnly) so downstream code skips the
|
||||
// classical sig check (which would fail -- TxnSignature is over
|
||||
// the ASCII JSON, not over the binary signing payload).
|
||||
// 5. Route through the normal Transaction / processTransaction flow.
|
||||
//
|
||||
// NB: for this to survive peer relay / re-validation a consensus-level
|
||||
// change is required: a new `sfJsonTxBody` Blob field that carries
|
||||
// tx_json_str on chain, plus an amendment that routes STTx::checkSign
|
||||
// through the ASCII bytes when the field is present. This handler is
|
||||
// the ingress-side prototype only.
|
||||
|
||||
#include <xrpld/app/ledger/LedgerMaster.h>
|
||||
#include <xrpld/app/misc/HashRouter.h>
|
||||
#include <xrpld/app/misc/Transaction.h>
|
||||
#include <xrpld/app/tx/apply.h>
|
||||
#include <xrpld/rpc/Context.h>
|
||||
#include <xrpld/rpc/detail/RPCHelpers.h>
|
||||
#include <xrpl/json/json_reader.h>
|
||||
#include <xrpl/protocol/ErrorCodes.h>
|
||||
#include <xrpl/protocol/Feature.h>
|
||||
#include <xrpl/protocol/PublicKey.h>
|
||||
#include <xrpl/protocol/RPCErr.h>
|
||||
#include <xrpl/protocol/STParsedJSON.h>
|
||||
#include <xrpl/protocol/STTx.h>
|
||||
#include <xrpl/protocol/jss.h>
|
||||
#include <xrpl/resource/Fees.h>
|
||||
|
||||
namespace ripple {
|
||||
|
||||
namespace {
|
||||
|
||||
NetworkOPs::FailHard
|
||||
getFailHard(RPC::JsonContext const& context)
|
||||
{
|
||||
return NetworkOPs::doFailHard(
|
||||
context.params.isMember("fail_hard") &&
|
||||
context.params["fail_hard"].asBool());
|
||||
}
|
||||
|
||||
Json::Value
|
||||
invalidTx(std::string const& reason)
|
||||
{
|
||||
Json::Value jv;
|
||||
jv[jss::error] = "invalidTransaction";
|
||||
jv[jss::error_exception] = reason;
|
||||
return jv;
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
Json::Value
|
||||
doSubmitJsonTx(RPC::JsonContext& context)
|
||||
{
|
||||
context.loadType = Resource::feeMediumBurdenRPC;
|
||||
|
||||
// Gate the whole RPC on the amendment. Without it, accepting a
|
||||
// json-tx submission would just queue a tx that every peer node
|
||||
// rejects as soon as it re-validates the signature classically.
|
||||
if (!context.ledgerMaster.getCurrentLedger()->rules().enabled(
|
||||
featureJsonTx))
|
||||
return rpcError(rpcNOT_ENABLED);
|
||||
|
||||
if (!context.params.isMember("tx_json_str") ||
|
||||
!context.params.isMember("signature"))
|
||||
return rpcError(rpcINVALID_PARAMS);
|
||||
|
||||
std::string const txJsonStr = context.params["tx_json_str"].asString();
|
||||
if (txJsonStr.empty())
|
||||
return rpcError(rpcINVALID_PARAMS);
|
||||
|
||||
auto sigBlob = strUnHex(context.params["signature"].asString());
|
||||
if (!sigBlob || sigBlob->empty())
|
||||
return rpcError(rpcINVALID_PARAMS);
|
||||
|
||||
// 1. Parse the ASCII JSON.
|
||||
Json::Value parsed;
|
||||
Json::Reader reader;
|
||||
if (!reader.parse(txJsonStr, parsed) || !parsed.isObject())
|
||||
return invalidTx("tx_json_str is not a valid JSON object");
|
||||
|
||||
// 2. Verify the signature over tx_json_str using SigningPubKey.
|
||||
if (!parsed.isMember(jss::SigningPubKey))
|
||||
return invalidTx("missing SigningPubKey");
|
||||
|
||||
auto pkBlob = strUnHex(parsed[jss::SigningPubKey].asString());
|
||||
if (!pkBlob || !publicKeyType(makeSlice(*pkBlob)))
|
||||
return invalidTx("invalid SigningPubKey");
|
||||
|
||||
PublicKey const pk(makeSlice(*pkBlob));
|
||||
|
||||
Slice const msg(
|
||||
reinterpret_cast<unsigned char const*>(txJsonStr.data()),
|
||||
txJsonStr.size());
|
||||
|
||||
if (!verify(pk, msg, makeSlice(*sigBlob)))
|
||||
return invalidTx("signature over tx_json_str failed verification");
|
||||
|
||||
// 3. Build the STTx from parsed + signature + JsonTxBody carrying
|
||||
// the exact ASCII bytes the client signed. TxnSignature is the
|
||||
// ASCII-level sig; the classical sig check must be skipped
|
||||
// (see step 4).
|
||||
Json::Value stTxJson = parsed;
|
||||
stTxJson[jss::TxnSignature] = strHex(*sigBlob);
|
||||
stTxJson[sfJsonTxBody.jsonName] = strHex(txJsonStr);
|
||||
|
||||
STParsedJSONObject parsedObj("tx_json", stTxJson);
|
||||
if (!parsedObj.object)
|
||||
return invalidTx(
|
||||
parsedObj.error.isMember(jss::error_message)
|
||||
? parsedObj.error[jss::error_message].asString()
|
||||
: "failed to parse tx_json_str into STObject");
|
||||
|
||||
std::shared_ptr<STTx const> stTx;
|
||||
try
|
||||
{
|
||||
stTx = std::make_shared<STTx const>(std::move(*parsedObj.object));
|
||||
}
|
||||
catch (std::exception& e)
|
||||
{
|
||||
return invalidTx(e.what());
|
||||
}
|
||||
|
||||
// 4. Bypass the classical TxnSignature check -- we already verified
|
||||
// the signature over the ASCII JSON above.
|
||||
forceValidity(
|
||||
context.app.getHashRouter(),
|
||||
stTx->getTransactionID(),
|
||||
Validity::SigGoodOnly);
|
||||
|
||||
auto [validity, reason] = checkValidity(
|
||||
context.app.getHashRouter(),
|
||||
*stTx,
|
||||
context.ledgerMaster.getCurrentLedger()->rules(),
|
||||
context.app.config());
|
||||
if (validity != Validity::Valid)
|
||||
return invalidTx("fails local checks: " + reason);
|
||||
|
||||
std::string buildReason;
|
||||
auto transaction =
|
||||
std::make_shared<Transaction>(stTx, buildReason, context.app);
|
||||
if (transaction->getStatus() != NEW)
|
||||
return invalidTx("fails local checks: " + buildReason);
|
||||
|
||||
try
|
||||
{
|
||||
auto const failType = getFailHard(context);
|
||||
context.netOps.processTransaction(
|
||||
transaction, isUnlimited(context.role), true, failType);
|
||||
}
|
||||
catch (std::exception& e)
|
||||
{
|
||||
Json::Value jv;
|
||||
jv[jss::error] = "internalSubmit";
|
||||
jv[jss::error_exception] = e.what();
|
||||
return jv;
|
||||
}
|
||||
|
||||
Json::Value jvResult;
|
||||
try
|
||||
{
|
||||
jvResult[jss::tx_json] = transaction->getJson(JsonOptions::none);
|
||||
jvResult[jss::tx_blob] =
|
||||
strHex(transaction->getSTransaction()->getSerializer().peekData());
|
||||
jvResult["tx_json_str"] = txJsonStr;
|
||||
|
||||
if (temUNCERTAIN != transaction->getResult())
|
||||
{
|
||||
std::string sToken, sHuman;
|
||||
transResultInfo(transaction->getResult(), sToken, sHuman);
|
||||
jvResult[jss::engine_result] = sToken;
|
||||
jvResult[jss::engine_result_code] = transaction->getResult();
|
||||
jvResult[jss::engine_result_message] = sHuman;
|
||||
|
||||
auto const submitResult = transaction->getSubmitResult();
|
||||
jvResult[jss::accepted] = submitResult.any();
|
||||
jvResult[jss::applied] = submitResult.applied;
|
||||
jvResult[jss::broadcast] = submitResult.broadcast;
|
||||
jvResult[jss::queued] = submitResult.queued;
|
||||
jvResult[jss::kept] = submitResult.kept;
|
||||
|
||||
if (auto currentLedgerState = transaction->getCurrentLedgerState())
|
||||
{
|
||||
jvResult[jss::account_sequence_next] =
|
||||
safe_cast<Json::Value::UInt>(
|
||||
currentLedgerState->accountSeqNext);
|
||||
jvResult[jss::account_sequence_available] =
|
||||
safe_cast<Json::Value::UInt>(
|
||||
currentLedgerState->accountSeqAvail);
|
||||
jvResult[jss::open_ledger_cost] =
|
||||
to_string(currentLedgerState->minFeeRequired);
|
||||
jvResult[jss::validated_ledger_index] =
|
||||
safe_cast<Json::Value::UInt>(
|
||||
currentLedgerState->validatedLedger);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (std::exception& e)
|
||||
{
|
||||
jvResult[jss::error] = "internalJson";
|
||||
jvResult[jss::error_exception] = e.what();
|
||||
}
|
||||
|
||||
return jvResult;
|
||||
}
|
||||
|
||||
} // namespace ripple
|
||||
Reference in New Issue
Block a user