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blockchain: add --reorg-notify
This will trigger if a reorg is seen. This may be used to do things like stop automated withdrawals on large reorgs. %s is replaced by the height at the split point %h is replaced by the height of the new chain %n is replaced by the number of new blocks after the reorg
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3 changed files with 32 additions and 1 deletions
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@ -1043,6 +1043,11 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
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m_hardfork->reorganize_from_chain_height(split_height);
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std::shared_ptr<tools::Notify> reorg_notify = m_reorg_notify;
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if (reorg_notify)
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reorg_notify->notify("%s", std::to_string(split_height).c_str(), "%h", std::to_string(m_db->height()).c_str(),
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"%n", std::to_string(m_db->height() - split_height).c_str(), NULL);
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MGINFO_GREEN("REORGANIZE SUCCESS! on height: " << split_height << ", new blockchain size: " << m_db->height());
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return true;
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}
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@ -718,10 +718,17 @@ namespace cryptonote
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/**
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* @brief sets a block notify object to call for every new block
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*
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* @param notify the notify object to cal at every new block
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* @param notify the notify object to call at every new block
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*/
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void set_block_notify(const std::shared_ptr<tools::Notify> ¬ify) { m_block_notify = notify; }
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/**
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* @brief sets a reorg notify object to call for every reorg
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*
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* @param notify the notify object to call at every reorg
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*/
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void set_reorg_notify(const std::shared_ptr<tools::Notify> ¬ify) { m_reorg_notify = notify; }
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/**
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* @brief Put DB in safe sync mode
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*/
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@ -1059,6 +1066,7 @@ namespace cryptonote
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bool m_btc_valid;
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std::shared_ptr<tools::Notify> m_block_notify;
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std::shared_ptr<tools::Notify> m_reorg_notify;
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/**
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* @brief collects the keys for all outputs being "spent" as an input
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@ -173,6 +173,13 @@ namespace cryptonote
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, "Run a program for each new block, '%s' will be replaced by the block hash"
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, ""
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};
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static const command_line::arg_descriptor<std::string> arg_reorg_notify = {
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"reorg-notify"
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, "Run a program for each reorg, '%s' will be replaced by the split height, "
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"'%h' will be replaced by the new blockchain height, and '%n' will be "
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"replaced by the number of new blocks in the new chain"
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, ""
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};
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//-----------------------------------------------------------------------------------------------
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core::core(i_cryptonote_protocol* pprotocol):
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@ -283,6 +290,7 @@ namespace cryptonote
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command_line::add_arg(desc, arg_disable_dns_checkpoints);
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command_line::add_arg(desc, arg_max_txpool_weight);
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command_line::add_arg(desc, arg_block_notify);
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command_line::add_arg(desc, arg_reorg_notify);
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miner::init_options(desc);
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BlockchainDB::init_options(desc);
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@ -562,6 +570,16 @@ namespace cryptonote
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MERROR("Failed to parse block notify spec");
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}
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try
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{
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if (!command_line::is_arg_defaulted(vm, arg_reorg_notify))
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m_blockchain_storage.set_reorg_notify(std::shared_ptr<tools::Notify>(new tools::Notify(command_line::get_arg(vm, arg_reorg_notify).c_str())));
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}
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catch (const std::exception &e)
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{
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MERROR("Failed to parse reorg notify spec");
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}
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const std::pair<uint8_t, uint64_t> regtest_hard_forks[3] = {std::make_pair(1, 0), std::make_pair(Blockchain::get_hard_fork_heights(MAINNET).back().version, 1), std::make_pair(0, 0)};
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const cryptonote::test_options regtest_test_options = {
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regtest_hard_forks,
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