Files
rippled/src/SerializedValidation.cpp

111 lines
2.9 KiB
C++

#include "SerializedValidation.h"
SOElement SerializedValidation::sValidationFormat[] = {
{ sfFlags, "Flags", STI_UINT32, SOE_FLAGS, 0 },
{ sfLedgerHash, "LedgerHash", STI_HASH256, SOE_REQUIRED, 0 },
{ sfCloseTime, "CloseTime", STI_UINT64, SOE_REQUIRED, 0 },
{ sfSigningKey, "SigningKey", STI_VL, SOE_REQUIRED, 0 },
{ sfExtensions, "Extensions", STI_TL, SOE_IFFLAG, 0x01000000 },
{ sfInvalid, NULL, STI_DONE, SOE_NEVER, -1 },
};
const uint32 SerializedValidation::sFullFlag = 0x00010000;
const uint32 SerializedValidation::sValidationMagic = 0x4c575200; // "LGR"
SerializedValidation::SerializedValidation(SerializerIterator& sit, bool checkSignature)
: STObject(sValidationFormat, sit), mSignature(sit, "Signature"), mTrusted(false)
{
if (!isValid()) throw std::runtime_error("Invalid validation");
}
SerializedValidation::SerializedValidation(const uint256& ledgerHash, uint64 closeTime,
const NewcoinAddress& naSeed, bool isFull)
: STObject(sValidationFormat), mSignature("Signature"), mTrusted(false)
{
setValueFieldH256(sfLedgerHash, ledgerHash);
setValueFieldU64(sfCloseTime, closeTime);
if (naSeed.isValid())
setValueFieldVL(sfSigningKey, NewcoinAddress::createNodePublic(naSeed).getNodePublic());
if (!isFull) setFlag(sFullFlag);
NewcoinAddress::createNodePrivate(naSeed).signNodePrivate(getSigningHash(), mSignature.peekValue());
// XXX Check if this can fail.
// if (!NewcoinAddress::createNodePrivate(naSeed).signNodePrivate(getSigningHash(), mSignature.peekValue()))
// throw std::runtime_error("Unable to sign validation");
}
uint256 SerializedValidation::getSigningHash() const
{
Serializer s;
s.add32(sValidationMagic);
add(s);
return s.getSHA512Half();
}
uint256 SerializedValidation::getLedgerHash() const
{
return getValueFieldH256(sfLedgerHash);
}
uint64 SerializedValidation::getCloseTime() const
{
return getValueFieldU64(sfCloseTime);
}
bool SerializedValidation::isValid() const
{
return isValid(getSigningHash());
}
bool SerializedValidation::isValid(const uint256& signingHash) const
{
try
{
NewcoinAddress naPublicKey = NewcoinAddress::createNodePublic(getValueFieldVL(sfSigningKey));
return naPublicKey.isValid() && naPublicKey.verifyNodePublic(signingHash, mSignature.peekValue());
}
catch (...)
{
return false;
}
}
NewcoinAddress SerializedValidation::getSignerPublic() const
{
NewcoinAddress a;
a.setNodePublic(getValueFieldVL(sfSigningKey));
return a;
}
bool SerializedValidation::isFull() const
{
return (getFlags() & sFullFlag) != 0;
}
void SerializedValidation::addSigned(Serializer& s) const
{
add(s);
mSignature.add(s);
}
void SerializedValidation::addSignature(Serializer& s) const
{
mSignature.add(s);
}
std::vector<unsigned char> SerializedValidation::getSigned() const
{
Serializer s;
addSigned(s);
return s.peekData();
}
std::vector<unsigned char> SerializedValidation::getSignature() const
{
return mSignature.peekValue();
}
// vim:ts=4