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P2PServer: use BLOCK_NOTIFY to speed up syncing

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This commit is contained in:
SChernykh
2023-07-07 16:42:24 +02:00
parent d72f0ce40c
commit fe2ff95f19
3 changed files with 29 additions and 7 deletions
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src/p2p_server.cpp
+24 -2
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@@ -2012,12 +2012,23 @@ bool P2PServer::P2PClient::on_block_request(const uint8_t* buf)
P2PServer* server = static_cast<P2PServer*>(m_owner);
std::vector<uint8_t> blob;
if (!server->m_pool->side_chain().get_block_blob(id, blob) && !id.empty()) {
const PoolBlock* block = server->m_pool->side_chain().get_block_blob(id, blob);
if (!block && !id.empty()) {
LOGWARN(5, "got a request for block with id " << id << " but couldn't find it");
}
// Notifications about parent and uncle blocks to speed up syncing
std::vector<hash> notify_blocks;
if (block && (m_protocolVersion >= PROTOCOL_VERSION_1_2)) {
notify_blocks.reserve(block->m_uncles.size() + 1);
notify_blocks.push_back(block->m_parent);
notify_blocks.insert(notify_blocks.end(), block->m_uncles.begin(), block->m_uncles.end());
}
return server->send(this,
[this, &blob](uint8_t* buf, size_t buf_size) -> size_t
[this, &blob, &notify_blocks](uint8_t* buf, size_t buf_size) -> size_t
{
LOGINFO(5, "sending BLOCK_RESPONSE to " << static_cast<char*>(m_addrString));
@@ -2029,6 +2040,17 @@ bool P2PServer::P2PClient::on_block_request(const uint8_t* buf)
uint8_t* p = buf;
if (buf_size >= 1 + sizeof(uint32_t) + len + notify_blocks.size() * (1 + HASH_SIZE)) {
for (const hash& id : notify_blocks) {
LOGINFO(5, "sending BLOCK_NOTIFY for " << id << " to " << static_cast<char*>(m_addrString));
*(p++) = static_cast<uint8_t>(MessageId::BLOCK_NOTIFY);
memcpy(p, id.h, HASH_SIZE);
p += HASH_SIZE;
}
}
*(p++) = static_cast<uint8_t>(MessageId::BLOCK_RESPONSE);
memcpy(p, &len, sizeof(uint32_t));