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@ -3995,10 +3995,37 @@ void Blockchain::cancel()
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}
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#if defined(PER_BLOCK_CHECKPOINT)
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static const char expected_block_hashes_hash[] = "23d8a8c73de7b2383c72a016d9a6034e69d62dd48077d1c414e064ceab6daa94";
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void Blockchain::load_compiled_in_block_hashes()
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{
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if (m_fast_sync && get_blocks_dat_start(m_testnet) != nullptr)
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{
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MINFO("Loading precomputed blocks (" << get_blocks_dat_size(m_testnet) << " bytes)");
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if (!m_testnet)
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{
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// first check hash
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crypto::hash hash;
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if (!tools::sha256sum(get_blocks_dat_start(m_testnet), get_blocks_dat_size(m_testnet), hash))
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{
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MERROR("Failed to hash precomputed blocks data");
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return;
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}
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MINFO("precomputed blocks hash: " << hash << ", expected " << expected_block_hashes_hash);
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cryptonote::blobdata expected_hash_data;
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if (!epee::string_tools::parse_hexstr_to_binbuff(std::string(expected_block_hashes_hash), expected_hash_data) || expected_hash_data.size() != sizeof(crypto::hash))
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{
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MERROR("Failed to parse expected block hashes hash");
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return;
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}
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const crypto::hash expected_hash = *reinterpret_cast<const crypto::hash*>(expected_hash_data.data());
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if (hash != expected_hash)
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{
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MERROR("Block hash data does not match expected hash");
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return;
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}
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}
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if (get_blocks_dat_size(m_testnet) > 4)
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{
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const unsigned char *p = get_blocks_dat_start(m_testnet);
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@ -4006,7 +4033,6 @@ void Blockchain::load_compiled_in_block_hashes()
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const size_t size_needed = 4 + nblocks * sizeof(crypto::hash);
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if(nblocks > 0 && nblocks > m_db->height() && get_blocks_dat_size(m_testnet) >= size_needed)
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{
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MINFO("Loading precomputed blocks: " << nblocks);
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p += sizeof(uint32_t);
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for (uint32_t i = 0; i < nblocks; i++)
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{
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@ -4015,6 +4041,7 @@ void Blockchain::load_compiled_in_block_hashes()
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p += sizeof(hash.data);
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m_blocks_hash_check.push_back(hash);
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}
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MINFO(nblocks << " block hashes loaded");
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// FIXME: clear tx_pool because the process might have been
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// terminated and caused it to store txs kept by blocks.
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