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8f182e825a
Signed-off-by: JCW <a1q123456@users.noreply.github.com> Co-authored-by: Bart <bthomee@users.noreply.github.com> Co-authored-by: Pratik Mankawde <3397372+pratikmankawde@users.noreply.github.com>
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#include <xrpl/basics/Slice.h>
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#include <xrpl/basics/chrono.h>
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#include <xrpl/protocol/HashPrefix.h>
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#include <xrpl/protocol/LedgerHeader.h>
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#include <xrpl/protocol/Serializer.h>
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#include <xrpl/protocol/digest.h>
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namespace xrpl {
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void
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addRaw(LedgerHeader const& info, Serializer& s, bool includeHash)
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{
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s.add32(info.seq);
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s.add64(info.drops.drops());
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s.addBitString(info.parentHash);
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s.addBitString(info.txHash);
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s.addBitString(info.accountHash);
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s.add32(info.parentCloseTime.time_since_epoch().count());
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s.add32(info.closeTime.time_since_epoch().count());
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s.add8(info.closeTimeResolution.count());
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s.add8(info.closeFlags);
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if (includeHash)
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s.addBitString(info.hash);
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}
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LedgerHeader
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deserializeHeader(Slice data, bool hasHash)
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{
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SerialIter sit(data.data(), data.size());
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LedgerHeader header;
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header.seq = sit.get32();
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header.drops = sit.get64();
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header.parentHash = sit.get256();
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header.txHash = sit.get256();
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header.accountHash = sit.get256();
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header.parentCloseTime = NetClock::time_point{NetClock::duration{sit.get32()}};
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header.closeTime = NetClock::time_point{NetClock::duration{sit.get32()}};
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header.closeTimeResolution = NetClock::duration{sit.get8()};
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header.closeFlags = sit.get8();
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if (hasHash)
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header.hash = sit.get256();
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return header;
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}
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LedgerHeader
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deserializePrefixedHeader(Slice data, bool hasHash)
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{
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return deserializeHeader(data + 4, hasHash);
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}
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uint256
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calculateLedgerHash(LedgerHeader const& info)
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{
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// VFALCO This has to match addRaw in View.h.
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return sha512Half(
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HashPrefix::ledgerMaster,
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std::uint32_t(info.seq),
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std::uint64_t(info.drops.drops()),
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info.parentHash,
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info.txHash,
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info.accountHash,
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std::uint32_t(info.parentCloseTime.time_since_epoch().count()),
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std::uint32_t(info.closeTime.time_since_epoch().count()),
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std::uint8_t(info.closeTimeResolution.count()),
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std::uint8_t(info.closeFlags));
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}
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} // namespace xrpl
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