uint256 STValidation::sign (SecretKey const& secretKey)
{
setFlag (vfFullyCanonicalSig);
auto const signingHash = getSigningHash();
setFieldVL (sfSignature,
signDigest (getSignerPublic(), secretKey, signingHash));
return signingHash;
}
bool STValidation::isValid (uint256 const& signingHash) const
{
try
{
if (publicKeyType(getSignerPublic()) != KeyType::secp256k1)
return false;
return verifyDigest (getSignerPublic(),
signingHash,
makeSlice(getFieldVL (sfSignature)),
getFlags () & vfFullyCanonicalSig);
}
catch (std::exception const&)
{
JLOG (debugLog().error())
<< "Exception validating validation";
return false;
}
}
STValidation::STValidation(
uint256 const& ledgerHash,
std::uint32_t ledgerSeq,
uint256 const& consensusHash,
NetClock::time_point signTime,
PublicKey const& publicKey,
SecretKey const& secretKey,
NodeID const& nodeID,
bool isFull,
FeeSettings const& fees,
std::vector<uint256> const& amendments)
: STObject(getFormat(), sfValidation), mNodeID(nodeID), mSeen(signTime)
{
// This is our own public key and it should always be valid.
if (!publicKeyType(publicKey))
LogicError("Invalid validation public key");
assert(mNodeID.isNonZero());
setFieldH256(sfLedgerHash, ledgerHash);
setFieldH256(sfConsensusHash, consensusHash);
setFieldU32(sfSigningTime, signTime.time_since_epoch().count());
setFieldVL(sfSigningPubKey, publicKey.slice());
if (isFull)
setFlag(kFullFlag);
setFieldU32(sfLedgerSequence, ledgerSeq);
if (fees.loadFee)
setFieldU32(sfLoadFee, *fees.loadFee);
if (fees.baseFee)
setFieldU64(sfBaseFee, *fees.baseFee);
if (fees.reserveBase)
setFieldU32(sfReserveBase, *fees.reserveBase);
if (fees.reserveIncrement)
setFieldU32(sfReserveIncrement, *fees.reserveIncrement);
if (!amendments.empty())
setFieldV256(sfAmendments, STVector256(sfAmendments, amendments));
setFlag(vfFullyCanonicalSig);
auto const signingHash = getSigningHash();
setFieldVL(
sfSignature, signDigest(getSignerPublic(), secretKey, signingHash));
setTrusted();
}