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/**
* Copyright 2018 VMware
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hotstuff/entity.h"
#include "hotstuff/hotstuff.h"
namespace hotstuff {
void Block::serialize(DataStream &s) const {
s << htole((uint32_t)parent_hashes.size());
for (const auto &hash: parent_hashes)
s << hash;
s << htole((uint32_t)cmds.size());
for (auto cmd: cmds)
s << cmd;
s << *qc << htole((uint32_t)extra.size()) << extra;
}
void Block::unserialize(DataStream &s, HotStuffCore *hsc) {
uint32_t n;
s >> n;
n = letoh(n);
parent_hashes.resize(n);
for (auto &hash: parent_hashes)
s >> hash;
s >> n;
n = letoh(n);
cmds.resize(n);
for (auto &cmd: cmds)
s >> cmd;
// for (auto &cmd: cmds)
// cmd = hsc->parse_cmd(s);
qc = hsc->parse_quorum_cert(s);
s >> n;
n = letoh(n);
if (n == 0)
extra.clear();
else
{
auto base = s.get_data_inplace(n);
extra = bytearray_t(base, base + n);
}
this->hash = salticidae::get_hash(*this);
}
bool Block::verify(const HotStuffCore *hsc) const {
if (qc->get_obj_hash() == hsc->get_genesis()->get_hash())
return true;
return qc->verify(hsc->get_config());
}
promise_t Block::verify(const HotStuffCore *hsc, VeriPool &vpool) const {
if (qc->get_obj_hash() == hsc->get_genesis()->get_hash())
return promise_t([](promise_t &pm) { pm.resolve(true); });
return qc->verify(hsc->get_config(), vpool);
}
}
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