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20defb4844
Change the trust status of existing validations based when nodes are added or removed from the UNL.
158 lines
4.6 KiB
C++
158 lines
4.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <BeastConfig.h>
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#include <ripple/protocol/STValidation.h>
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#include <ripple/protocol/HashPrefix.h>
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#include <ripple/basics/contract.h>
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#include <ripple/basics/Log.h>
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#include <ripple/json/to_string.h>
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namespace ripple {
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STValidation::STValidation(
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uint256 const& ledgerHash,
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NetClock::time_point signTime,
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PublicKey const& publicKey,
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NodeID const& nodeID,
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bool isFull)
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: STObject(getFormat(), sfValidation), mNodeID(nodeID), mSeen(signTime)
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{
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// Does not sign
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setFieldH256 (sfLedgerHash, ledgerHash);
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setFieldU32 (sfSigningTime, signTime.time_since_epoch().count());
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setFieldVL (sfSigningPubKey, publicKey.slice());
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assert (mNodeID.isNonZero ());
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if (isFull)
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setFlag (kFullFlag);
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}
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uint256 STValidation::sign (SecretKey const& secretKey)
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{
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setFlag (vfFullyCanonicalSig);
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auto const signingHash = getSigningHash();
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setFieldVL (sfSignature,
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signDigest (getSignerPublic(), secretKey, signingHash));
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return signingHash;
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}
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uint256 STValidation::getSigningHash () const
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{
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return STObject::getSigningHash (HashPrefix::validation);
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}
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uint256 STValidation::getLedgerHash () const
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{
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return getFieldH256 (sfLedgerHash);
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}
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NetClock::time_point
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STValidation::getSignTime () const
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{
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return NetClock::time_point{NetClock::duration{getFieldU32(sfSigningTime)}};
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}
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NetClock::time_point STValidation::getSeenTime () const
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{
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return mSeen;
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}
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std::uint32_t STValidation::getFlags () const
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{
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return getFieldU32 (sfFlags);
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}
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bool STValidation::isValid () const
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{
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return isValid (getSigningHash ());
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}
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bool STValidation::isValid (uint256 const& signingHash) const
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{
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try
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{
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return verifyDigest (getSignerPublic(),
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signingHash,
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makeSlice(getFieldVL (sfSignature)),
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getFlags () & vfFullyCanonicalSig);
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}
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catch (std::exception const&)
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{
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JLOG (debugLog().error())
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<< "Exception validating validation";
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return false;
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}
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}
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PublicKey STValidation::getSignerPublic () const
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{
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return PublicKey(makeSlice (getFieldVL (sfSigningPubKey)));
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}
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bool STValidation::isFull () const
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{
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return (getFlags () & kFullFlag) != 0;
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}
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Blob STValidation::getSignature () const
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{
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return getFieldVL (sfSignature);
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}
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Blob STValidation::getSerialized () const
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{
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Serializer s;
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add (s);
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return s.peekData ();
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}
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SOTemplate const& STValidation::getFormat ()
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{
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struct FormatHolder
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{
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SOTemplate format;
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FormatHolder ()
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{
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format.push_back (SOElement (sfFlags, SOE_REQUIRED));
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format.push_back (SOElement (sfLedgerHash, SOE_REQUIRED));
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format.push_back (SOElement (sfLedgerSequence, SOE_OPTIONAL));
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format.push_back (SOElement (sfCloseTime, SOE_OPTIONAL));
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format.push_back (SOElement (sfLoadFee, SOE_OPTIONAL));
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format.push_back (SOElement (sfAmendments, SOE_OPTIONAL));
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format.push_back (SOElement (sfBaseFee, SOE_OPTIONAL));
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format.push_back (SOElement (sfReserveBase, SOE_OPTIONAL));
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format.push_back (SOElement (sfReserveIncrement, SOE_OPTIONAL));
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format.push_back (SOElement (sfSigningTime, SOE_REQUIRED));
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format.push_back (SOElement (sfSigningPubKey, SOE_REQUIRED));
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format.push_back (SOElement (sfSignature, SOE_OPTIONAL));
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format.push_back (SOElement (sfConsensusHash, SOE_OPTIONAL));
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}
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};
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static const FormatHolder holder;
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return holder.format;
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}
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} // ripple
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