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			319 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			319 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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    This file is part of TON Blockchain Library.
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    TON Blockchain Library is free software: you can redistribute it and/or modify
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    it under the terms of the GNU Lesser General Public License as published by
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    the Free Software Foundation, either version 2 of the License, or
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    (at your option) any later version.
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    TON Blockchain Library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public License
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    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "full-node-private-overlay.hpp"
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#include "ton/ton-tl.hpp"
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#include "common/delay.h"
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#include "full-node-serializer.hpp"
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namespace ton::validator::fullnode {
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void FullNodePrivateBlockOverlay::process_broadcast(PublicKeyHash src, ton_api::tonNode_blockBroadcast &query) {
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  process_block_broadcast(src, query);
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}
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void FullNodePrivateBlockOverlay::process_broadcast(PublicKeyHash src,
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                                                    ton_api::tonNode_blockBroadcastCompressed &query) {
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  process_block_broadcast(src, query);
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}
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void FullNodePrivateBlockOverlay::process_block_broadcast(PublicKeyHash src, ton_api::tonNode_Broadcast &query) {
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  auto B = deserialize_block_broadcast(query, overlay::Overlays::max_fec_broadcast_size());
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  if (B.is_error()) {
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    LOG(DEBUG) << "dropped broadcast: " << B.move_as_error();
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Received block broadcast in private overlay from " << src << ": "
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                        << B.ok().block_id.to_str();
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  td::actor::send_closure(full_node_, &FullNode::process_block_broadcast, B.move_as_ok());
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}
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void FullNodePrivateBlockOverlay::process_broadcast(PublicKeyHash src, ton_api::tonNode_newShardBlockBroadcast &query) {
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  BlockIdExt block_id = create_block_id(query.block_->block_);
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  VLOG(FULL_NODE_DEBUG) << "Received newShardBlockBroadcast in private overlay from " << src << ": "
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                        << block_id.to_str();
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  td::actor::send_closure(validator_manager_, &ValidatorManagerInterface::new_shard_block, block_id,
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                          query.block_->cc_seqno_, std::move(query.block_->data_));
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}
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void FullNodePrivateBlockOverlay::receive_broadcast(PublicKeyHash src, td::BufferSlice broadcast) {
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  if (adnl::AdnlNodeIdShort{src} == local_id_) {
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    return;
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  }
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  auto B = fetch_tl_object<ton_api::tonNode_Broadcast>(std::move(broadcast), true);
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  if (B.is_error()) {
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    return;
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  }
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  ton_api::downcast_call(*B.move_as_ok(), [src, Self = this](auto &obj) { Self->process_broadcast(src, obj); });
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}
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void FullNodePrivateBlockOverlay::send_shard_block_info(BlockIdExt block_id, CatchainSeqno cc_seqno,
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                                                        td::BufferSlice data) {
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  if (!inited_) {
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Sending newShardBlockBroadcast in private overlay: " << block_id.to_str();
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  auto B = create_serialize_tl_object<ton_api::tonNode_newShardBlockBroadcast>(
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      create_tl_object<ton_api::tonNode_newShardBlock>(create_tl_block_id(block_id), cc_seqno, std::move(data)));
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  if (B.size() <= overlay::Overlays::max_simple_broadcast_size()) {
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    td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_ex, local_id_, overlay_id_,
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                            local_id_.pubkey_hash(), 0, std::move(B));
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  } else {
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    td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_fec_ex, local_id_, overlay_id_,
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                            local_id_.pubkey_hash(), overlay::Overlays::BroadcastFlagAnySender(), std::move(B));
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  }
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}
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void FullNodePrivateBlockOverlay::send_broadcast(BlockBroadcast broadcast) {
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  if (!inited_) {
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Sending block broadcast in private overlay"
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                        << (enable_compression_ ? " (with compression)" : "") << ": " << broadcast.block_id.to_str();
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  auto B = serialize_block_broadcast(broadcast, enable_compression_);
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  if (B.is_error()) {
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    VLOG(FULL_NODE_WARNING) << "failed to serialize block broadcast: " << B.move_as_error();
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    return;
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  }
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  td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_fec_ex, local_id_, overlay_id_,
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                          local_id_.pubkey_hash(), overlay::Overlays::BroadcastFlagAnySender(), B.move_as_ok());
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}
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void FullNodePrivateBlockOverlay::start_up() {
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  std::sort(nodes_.begin(), nodes_.end());
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  nodes_.erase(std::unique(nodes_.begin(), nodes_.end()), nodes_.end());
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  std::vector<td::Bits256> nodes;
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  for (const adnl::AdnlNodeIdShort &id : nodes_) {
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    nodes.push_back(id.bits256_value());
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  }
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  auto X = create_hash_tl_object<ton_api::tonNode_privateBlockOverlayId>(zero_state_file_hash_, std::move(nodes));
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  td::BufferSlice b{32};
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  b.as_slice().copy_from(as_slice(X));
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  overlay_id_full_ = overlay::OverlayIdFull{std::move(b)};
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  overlay_id_ = overlay_id_full_.compute_short_id();
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  try_init();
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}
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void FullNodePrivateBlockOverlay::try_init() {
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  // Sometimes adnl id is added to validator engine later (or not at all)
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  td::actor::send_closure(
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      adnl_, &adnl::Adnl::check_id_exists, local_id_, [SelfId = actor_id(this)](td::Result<bool> R) {
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        if (R.is_ok() && R.ok()) {
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          td::actor::send_closure(SelfId, &FullNodePrivateBlockOverlay::init);
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        } else {
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          delay_action([SelfId]() { td::actor::send_closure(SelfId, &FullNodePrivateBlockOverlay::try_init); },
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                       td::Timestamp::in(30.0));
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        }
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      });
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}
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void FullNodePrivateBlockOverlay::init() {
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  LOG(FULL_NODE_WARNING) << "Creating private block overlay for adnl id " << local_id_ << " : " << nodes_.size()
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                         << " nodes, overlay_id=" << overlay_id_;
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  class Callback : public overlay::Overlays::Callback {
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   public:
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    void receive_message(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id, td::BufferSlice data) override {
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    }
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    void receive_query(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id, td::BufferSlice data,
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                       td::Promise<td::BufferSlice> promise) override {
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    }
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    void receive_broadcast(PublicKeyHash src, overlay::OverlayIdShort overlay_id, td::BufferSlice data) override {
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      td::actor::send_closure(node_, &FullNodePrivateBlockOverlay::receive_broadcast, src, std::move(data));
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    }
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    void check_broadcast(PublicKeyHash src, overlay::OverlayIdShort overlay_id, td::BufferSlice data,
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                         td::Promise<td::Unit> promise) override {
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    }
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    Callback(td::actor::ActorId<FullNodePrivateBlockOverlay> node) : node_(node) {
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    }
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   private:
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    td::actor::ActorId<FullNodePrivateBlockOverlay> node_;
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  };
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  overlay::OverlayPrivacyRules rules{overlay::Overlays::max_fec_broadcast_size(),
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                                     overlay::CertificateFlags::AllowFec | overlay::CertificateFlags::Trusted,
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                                     {}};
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  td::actor::send_closure(overlays_, &overlay::Overlays::create_private_overlay, local_id_, overlay_id_full_.clone(),
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                          nodes_, std::make_unique<Callback>(actor_id(this)), rules, R"({ "type": "private-blocks" })");
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  td::actor::send_closure(rldp_, &rldp::Rldp::add_id, local_id_);
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  td::actor::send_closure(rldp2_, &rldp2::Rldp::add_id, local_id_);
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  inited_ = true;
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}
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void FullNodePrivateBlockOverlay::tear_down() {
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  if (inited_) {
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    td::actor::send_closure(overlays_, &ton::overlay::Overlays::delete_overlay, local_id_, overlay_id_);
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  }
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}
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void FullNodeCustomOverlay::process_broadcast(PublicKeyHash src, ton_api::tonNode_blockBroadcast &query) {
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  process_block_broadcast(src, query);
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}
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void FullNodeCustomOverlay::process_broadcast(PublicKeyHash src, ton_api::tonNode_blockBroadcastCompressed &query) {
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  process_block_broadcast(src, query);
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}
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void FullNodeCustomOverlay::process_block_broadcast(PublicKeyHash src, ton_api::tonNode_Broadcast &query) {
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  if (!block_senders_.count(adnl::AdnlNodeIdShort(src))) {
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    VLOG(FULL_NODE_DEBUG) << "Dropping block broadcast in private overlay \"" << name_ << "\" from unauthorized sender "
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                          << src;
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    return;
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  }
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  auto B = deserialize_block_broadcast(query, overlay::Overlays::max_fec_broadcast_size());
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  if (B.is_error()) {
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    LOG(DEBUG) << "dropped broadcast: " << B.move_as_error();
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Received block broadcast in custom overlay \"" << name_ << "\" from " << src << ": "
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                        << B.ok().block_id.to_str();
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  td::actor::send_closure(full_node_, &FullNode::process_block_broadcast, B.move_as_ok());
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}
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void FullNodeCustomOverlay::process_broadcast(PublicKeyHash src, ton_api::tonNode_externalMessageBroadcast &query) {
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  auto it = msg_senders_.find(adnl::AdnlNodeIdShort{src});
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  if (it == msg_senders_.end()) {
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    VLOG(FULL_NODE_DEBUG) << "Dropping external message broadcast in custom overlay \"" << name_
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                          << "\" from unauthorized sender " << src;
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Got external message in custom overlay \"" << name_ << "\" from " << src
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                        << " (priority=" << it->second << ")";
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  td::actor::send_closure(validator_manager_, &ValidatorManagerInterface::new_external_message,
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                          std::move(query.message_->data_), it->second);
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}
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void FullNodeCustomOverlay::receive_broadcast(PublicKeyHash src, td::BufferSlice broadcast) {
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  if (adnl::AdnlNodeIdShort{src} == local_id_) {
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    return;
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  }
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  auto B = fetch_tl_object<ton_api::tonNode_Broadcast>(std::move(broadcast), true);
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  if (B.is_error()) {
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    return;
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  }
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  ton_api::downcast_call(*B.move_as_ok(), [src, Self = this](auto &obj) { Self->process_broadcast(src, obj); });
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}
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void FullNodeCustomOverlay::send_external_message(td::BufferSlice data) {
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  if (!inited_ || config_.ext_messages_broadcast_disabled_) {
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Sending external message to custom overlay \"" << name_ << "\"";
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  auto B = create_serialize_tl_object<ton_api::tonNode_externalMessageBroadcast>(
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      create_tl_object<ton_api::tonNode_externalMessage>(std::move(data)));
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  if (B.size() <= overlay::Overlays::max_simple_broadcast_size()) {
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    td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_ex, local_id_, overlay_id_,
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                            local_id_.pubkey_hash(), 0, std::move(B));
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  } else {
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    td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_fec_ex, local_id_, overlay_id_,
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                            local_id_.pubkey_hash(), 0, std::move(B));
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  }
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}
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void FullNodeCustomOverlay::send_broadcast(BlockBroadcast broadcast) {
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  if (!inited_) {
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    return;
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  }
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  VLOG(FULL_NODE_DEBUG) << "Sending block broadcast to custom overlay \"" << name_
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                        << "\": " << broadcast.block_id.to_str();
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  auto B = serialize_block_broadcast(broadcast, true);  // compression_enabled = true
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  if (B.is_error()) {
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    VLOG(FULL_NODE_WARNING) << "failed to serialize block broadcast: " << B.move_as_error();
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    return;
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  }
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  td::actor::send_closure(overlays_, &overlay::Overlays::send_broadcast_fec_ex, local_id_, overlay_id_,
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                          local_id_.pubkey_hash(), overlay::Overlays::BroadcastFlagAnySender(), B.move_as_ok());
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}
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void FullNodeCustomOverlay::start_up() {
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  std::sort(nodes_.begin(), nodes_.end());
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  nodes_.erase(std::unique(nodes_.begin(), nodes_.end()), nodes_.end());
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  std::vector<td::Bits256> nodes;
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  for (const adnl::AdnlNodeIdShort &id : nodes_) {
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    nodes.push_back(id.bits256_value());
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  }
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  auto X = create_hash_tl_object<ton_api::tonNode_customOverlayId>(zero_state_file_hash_, name_, std::move(nodes));
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  td::BufferSlice b{32};
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  b.as_slice().copy_from(as_slice(X));
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  overlay_id_full_ = overlay::OverlayIdFull{std::move(b)};
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  overlay_id_ = overlay_id_full_.compute_short_id();
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  try_init();
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}
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void FullNodeCustomOverlay::try_init() {
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  // Sometimes adnl id is added to validator engine later (or not at all)
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  td::actor::send_closure(
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      adnl_, &adnl::Adnl::check_id_exists, local_id_, [SelfId = actor_id(this)](td::Result<bool> R) {
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        if (R.is_ok() && R.ok()) {
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          td::actor::send_closure(SelfId, &FullNodeCustomOverlay::init);
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        } else {
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          delay_action([SelfId]() { td::actor::send_closure(SelfId, &FullNodeCustomOverlay::try_init); },
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                       td::Timestamp::in(30.0));
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        }
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      });
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}
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void FullNodeCustomOverlay::init() {
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  LOG(FULL_NODE_WARNING) << "Creating custom overlay \"" << name_ << "\" for adnl id " << local_id_ << " : "
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                         << nodes_.size() << " nodes, " << msg_senders_.size() << " msg senders, "
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                         << block_senders_.size() << " block senders, overlay_id=" << overlay_id_;
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  class Callback : public overlay::Overlays::Callback {
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   public:
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    void receive_message(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id, td::BufferSlice data) override {
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    }
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    void receive_query(adnl::AdnlNodeIdShort src, overlay::OverlayIdShort overlay_id, td::BufferSlice data,
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                       td::Promise<td::BufferSlice> promise) override {
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    }
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    void receive_broadcast(PublicKeyHash src, overlay::OverlayIdShort overlay_id, td::BufferSlice data) override {
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      td::actor::send_closure(node_, &FullNodeCustomOverlay::receive_broadcast, src, std::move(data));
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    }
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    void check_broadcast(PublicKeyHash src, overlay::OverlayIdShort overlay_id, td::BufferSlice data,
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                         td::Promise<td::Unit> promise) override {
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    }
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    Callback(td::actor::ActorId<FullNodeCustomOverlay> node) : node_(node) {
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    }
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   private:
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    td::actor::ActorId<FullNodeCustomOverlay> node_;
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  };
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  std::map<PublicKeyHash, td::uint32> authorized_keys;
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  for (const auto &sender : msg_senders_) {
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    authorized_keys[sender.first.pubkey_hash()] = overlay::Overlays::max_fec_broadcast_size();
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  }
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  for (const auto &sender : block_senders_) {
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    authorized_keys[sender.pubkey_hash()] = overlay::Overlays::max_fec_broadcast_size();
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  }
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  overlay::OverlayPrivacyRules rules{overlay::Overlays::max_fec_broadcast_size(), 0, std::move(authorized_keys)};
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  td::actor::send_closure(
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      overlays_, &overlay::Overlays::create_private_overlay, local_id_, overlay_id_full_.clone(), nodes_,
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      std::make_unique<Callback>(actor_id(this)), rules,
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      PSTRING() << R"({ "type": "custom-overlay", "name": ")" << td::format::Escaped{name_} << R"(" })");
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  td::actor::send_closure(rldp_, &rldp::Rldp::add_id, local_id_);
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  td::actor::send_closure(rldp2_, &rldp2::Rldp::add_id, local_id_);
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  inited_ = true;
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}
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void FullNodeCustomOverlay::tear_down() {
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  LOG(FULL_NODE_WARNING) << "Destroying custom overlay \"" << name_ << "\" for adnl id " << local_id_;
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  td::actor::send_closure(overlays_, &ton::overlay::Overlays::delete_overlay, local_id_, overlay_id_);
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}
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}  // namespace ton::validator::fullnode
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