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full-node-serializer.cpp
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/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "full-node-serializer.hpp"
#include "ton/ton-tl.hpp"
#include "tl-utils/common-utils.hpp"
#include "auto/tl/ton_api.hpp"
#include "tl-utils/tl-utils.hpp"
#include "vm/boc.h"
#include "td/utils/lz4.h"
#include "full-node.h"
#include "td/utils/overloaded.h"
namespace ton::validator::fullnode {
td::Result<td::BufferSlice> serialize_block_broadcast(const BlockBroadcast& broadcast, bool compression_enabled) {
std::vector<tl_object_ptr<ton_api::tonNode_blockSignature>> sigs;
for (auto& sig : broadcast.signatures) {
sigs.emplace_back(create_tl_object<ton_api::tonNode_blockSignature>(sig.node, sig.signature.clone()));
}
if (!compression_enabled) {
return create_serialize_tl_object<ton_api::tonNode_blockBroadcast>(
create_tl_block_id(broadcast.block_id), broadcast.catchain_seqno, broadcast.validator_set_hash, std::move(sigs),
broadcast.proof.clone(), broadcast.data.clone());
}
TRY_RESULT(proof_root, vm::std_boc_deserialize(broadcast.proof));
TRY_RESULT(data_root, vm::std_boc_deserialize(broadcast.data));
TRY_RESULT(boc, vm::std_boc_serialize_multi({proof_root, data_root}, 2));
td::BufferSlice data =
create_serialize_tl_object<ton_api::tonNode_blockBroadcastCompressed_data>(std::move(sigs), std::move(boc));
td::BufferSlice compressed = td::lz4_compress(data);
VLOG(FULL_NODE_DEBUG) << "Compressing block broadcast: "
<< broadcast.data.size() + broadcast.proof.size() + broadcast.signatures.size() * 96 << " -> "
<< compressed.size();
return create_serialize_tl_object<ton_api::tonNode_blockBroadcastCompressed>(
create_tl_block_id(broadcast.block_id), broadcast.catchain_seqno, broadcast.validator_set_hash, 0,
std::move(compressed));
}
static td::Result<BlockBroadcast> deserialize_block_broadcast(ton_api::tonNode_blockBroadcast& f) {
std::vector<BlockSignature> signatures;
for (auto& sig : f.signatures_) {
signatures.emplace_back(BlockSignature{sig->who_, std::move(sig->signature_)});
}
return BlockBroadcast{create_block_id(f.id_),
std::move(signatures),
static_cast<UnixTime>(f.catchain_seqno_),
static_cast<td::uint32>(f.validator_set_hash_),
std::move(f.data_),
std::move(f.proof_)};
}
static td::Result<BlockBroadcast> deserialize_block_broadcast(ton_api::tonNode_blockBroadcastCompressed& f,
int max_decompressed_size) {
TRY_RESULT(decompressed, td::lz4_decompress(f.compressed_, max_decompressed_size));
TRY_RESULT(f2, fetch_tl_object<ton_api::tonNode_blockBroadcastCompressed_data>(decompressed, true));
std::vector<BlockSignature> signatures;
for (auto& sig : f2->signatures_) {
signatures.emplace_back(BlockSignature{sig->who_, std::move(sig->signature_)});
}
TRY_RESULT(roots, vm::std_boc_deserialize_multi(f2->proof_data_, 2));
if (roots.size() != 2) {
return td::Status::Error("expected 2 roots in boc");
}
TRY_RESULT(proof, vm::std_boc_serialize(roots[0], 0));
TRY_RESULT(data, vm::std_boc_serialize(roots[1], 31));
VLOG(FULL_NODE_DEBUG) << "Decompressing block broadcast: " << f.compressed_.size() << " -> "
<< data.size() + proof.size() + signatures.size() * 96;
return BlockBroadcast{create_block_id(f.id_),
std::move(signatures),
static_cast<UnixTime>(f.catchain_seqno_),
static_cast<td::uint32>(f.validator_set_hash_),
std::move(data),
std::move(proof)};
}
td::Result<BlockBroadcast> deserialize_block_broadcast(ton_api::tonNode_Broadcast& obj,
int max_decompressed_data_size) {
td::Result<BlockBroadcast> B;
ton_api::downcast_call(obj,
td::overloaded([&](ton_api::tonNode_blockBroadcast& f) { B = deserialize_block_broadcast(f); },
[&](ton_api::tonNode_blockBroadcastCompressed& f) {
B = deserialize_block_broadcast(f, max_decompressed_data_size);
},
[&](auto&) { B = td::Status::Error("unknown broadcast type"); }));
return B;
}
td::Result<td::BufferSlice> serialize_block_full(const BlockIdExt& id, td::Slice proof, td::Slice data,
bool is_proof_link, bool compression_enabled) {
if (!compression_enabled) {
return create_serialize_tl_object<ton_api::tonNode_dataFull>(create_tl_block_id(id), td::BufferSlice(proof),
td::BufferSlice(data), is_proof_link);
}
TRY_RESULT(proof_root, vm::std_boc_deserialize(proof));
TRY_RESULT(data_root, vm::std_boc_deserialize(data));
TRY_RESULT(boc, vm::std_boc_serialize_multi({proof_root, data_root}, 2));
td::BufferSlice compressed = td::lz4_compress(boc);
VLOG(FULL_NODE_DEBUG) << "Compressing block full: " << data.size() + proof.size() << " -> " << compressed.size();
return create_serialize_tl_object<ton_api::tonNode_dataFullCompressed>(create_tl_block_id(id), 0,
std::move(compressed), is_proof_link);
}
static td::Status deserialize_block_full(ton_api::tonNode_dataFull& f, BlockIdExt& id, td::BufferSlice& proof,
td::BufferSlice& data, bool& is_proof_link) {
id = create_block_id(f.id_);
proof = std::move(f.proof_);
data = std::move(f.block_);
is_proof_link = f.is_link_;
return td::Status::OK();
}
static td::Status deserialize_block_full(ton_api::tonNode_dataFullCompressed& f, BlockIdExt& id, td::BufferSlice& proof,
td::BufferSlice& data, bool& is_proof_link, int max_decompressed_size) {
TRY_RESULT(decompressed, td::lz4_decompress(f.compressed_, max_decompressed_size));
TRY_RESULT(roots, vm::std_boc_deserialize_multi(decompressed, 2));
if (roots.size() != 2) {
return td::Status::Error("expected 2 roots in boc");
}
TRY_RESULT_ASSIGN(proof, vm::std_boc_serialize(roots[0], 0));
TRY_RESULT_ASSIGN(data, vm::std_boc_serialize(roots[1], 31));
VLOG(FULL_NODE_DEBUG) << "Decompressing block full: " << f.compressed_.size() << " -> " << data.size() + proof.size();
id = create_block_id(f.id_);
is_proof_link = f.is_link_;
return td::Status::OK();
}
td::Status deserialize_block_full(ton_api::tonNode_DataFull& obj, BlockIdExt& id, td::BufferSlice& proof,
td::BufferSlice& data, bool& is_proof_link, int max_decompressed_data_size) {
td::Status S;
ton_api::downcast_call(
obj, td::overloaded(
[&](ton_api::tonNode_dataFull& f) { S = deserialize_block_full(f, id, proof, data, is_proof_link); },
[&](ton_api::tonNode_dataFullCompressed& f) {
S = deserialize_block_full(f, id, proof, data, is_proof_link, max_decompressed_data_size);
},
[&](auto&) { S = td::Status::Error("unknown data type"); }));
return S;
}
td::Result<td::BufferSlice> serialize_block_candidate_broadcast(BlockIdExt block_id, CatchainSeqno cc_seqno,
td::uint32 validator_set_hash, td::Slice data,
bool compression_enabled) {
if (!compression_enabled) {
return create_serialize_tl_object<ton_api::tonNode_newBlockCandidateBroadcast>(
create_tl_block_id(block_id), cc_seqno, validator_set_hash,
create_tl_object<ton_api::tonNode_blockSignature>(Bits256::zero(), td::BufferSlice()), td::BufferSlice(data));
}
TRY_RESULT(root, vm::std_boc_deserialize(data));
TRY_RESULT(data_new, vm::std_boc_serialize(root, 2));
td::BufferSlice compressed = td::lz4_compress(data_new);
VLOG(FULL_NODE_DEBUG) << "Compressing block candidate broadcast: " << data.size() << " -> " << compressed.size();
return create_serialize_tl_object<ton_api::tonNode_newBlockCandidateBroadcastCompressed>(
create_tl_block_id(block_id), cc_seqno, validator_set_hash,
create_tl_object<ton_api::tonNode_blockSignature>(Bits256::zero(), td::BufferSlice()), 0, std::move(compressed));
}
static td::Status deserialize_block_candidate_broadcast(ton_api::tonNode_newBlockCandidateBroadcast& obj,
BlockIdExt& block_id, CatchainSeqno& cc_seqno,
td::uint32& validator_set_hash, td::BufferSlice& data) {
block_id = create_block_id(obj.id_);
cc_seqno = obj.catchain_seqno_;
validator_set_hash = obj.validator_set_hash_;
data = std::move(obj.data_);
return td::Status::OK();
}
static td::Status deserialize_block_candidate_broadcast(ton_api::tonNode_newBlockCandidateBroadcastCompressed& obj,
BlockIdExt& block_id, CatchainSeqno& cc_seqno,
td::uint32& validator_set_hash, td::BufferSlice& data,
int max_decompressed_data_size) {
block_id = create_block_id(obj.id_);
cc_seqno = obj.catchain_seqno_;
validator_set_hash = obj.validator_set_hash_;
TRY_RESULT(decompressed, td::lz4_decompress(obj.compressed_, max_decompressed_data_size));
TRY_RESULT(root, vm::std_boc_deserialize(decompressed));
TRY_RESULT_ASSIGN(data, vm::std_boc_serialize(root, 31));
VLOG(FULL_NODE_DEBUG) << "Decompressing block candidate broadcast: " << obj.compressed_.size() << " -> "
<< data.size();
return td::Status::OK();
}
td::Status deserialize_block_candidate_broadcast(ton_api::tonNode_Broadcast& obj, BlockIdExt& block_id,
CatchainSeqno& cc_seqno, td::uint32& validator_set_hash,
td::BufferSlice& data, int max_decompressed_data_size) {
td::Status S;
ton_api::downcast_call(obj, td::overloaded(
[&](ton_api::tonNode_newBlockCandidateBroadcast& f) {
S = deserialize_block_candidate_broadcast(f, block_id, cc_seqno, validator_set_hash,
data);
},
[&](ton_api::tonNode_newBlockCandidateBroadcastCompressed& f) {
S = deserialize_block_candidate_broadcast(f, block_id, cc_seqno, validator_set_hash,
data, max_decompressed_data_size);
},
[&](auto&) { S = td::Status::Error("unknown data type"); }));
return S;
}
} // namespace ton::validator::fullnode