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wallet: adds rescan_bc option with preserving key images

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- enables to perform rescan_spent / ki sync with untrusted daemon. Spent check status involves RPC calls which require trusted daemon status as it leaks information. The new call performs soft reset while preserving key images thus a sequence: refresh, ki sync / import, rescan_bc keep_ki will correctly perform spent checking without need for trusted daemon.

- useful to detect spent outputs with untrusted daemon on watch_only / multisig / hw-cold wallets after expensive key image sync.

- cli: rescan_bc keep_ki
This commit is contained in:
Dusan Klinec
2018-11-12 04:31:46 +01:00
parent c88e992104
commit f42263ebb6
4 changed files with 160 additions and 26 deletions
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src/wallet/wallet2.h
+5 -1
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@@ -818,7 +818,7 @@ namespace tools
uint64_t get_blockchain_current_height() const { return m_light_wallet_blockchain_height ? m_light_wallet_blockchain_height : m_blockchain.size(); }
void rescan_spent();
void rescan_blockchain(bool hard, bool refresh = true);
void rescan_blockchain(bool hard, bool refresh = true, bool keep_key_images = false);
bool is_transfer_unlocked(const transfer_details& td) const;
bool is_transfer_unlocked(uint64_t unlock_time, uint64_t block_height) const;
@@ -1248,6 +1248,9 @@ namespace tools
void set_tx_notify(const std::shared_ptr<tools::Notify> &notify) { m_tx_notify = notify; }
bool is_tx_spendtime_unlocked(uint64_t unlock_time, uint64_t block_height) const;
void hash_m_transfer(const transfer_details & transfer, crypto::hash &hash) const;
uint64_t hash_m_transfers(int64_t transfer_height, crypto::hash &hash) const;
void finish_rescan_bc_keep_key_images(uint64_t transfer_height, const crypto::hash &hash);
private:
/*!
@@ -1269,6 +1272,7 @@ namespace tools
void detach_blockchain(uint64_t height);
void get_short_chain_history(std::list<crypto::hash>& ids, uint64_t granularity = 1) const;
bool clear();
void clear_soft(bool keep_key_images=false);
void pull_blocks(uint64_t start_height, uint64_t& blocks_start_height, const std::list<crypto::hash> &short_chain_history, std::vector<cryptonote::block_complete_entry> &blocks, std::vector<cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::block_output_indices> &o_indices);
void pull_hashes(uint64_t start_height, uint64_t& blocks_start_height, const std::list<crypto::hash> &short_chain_history, std::vector<crypto::hash> &hashes);
void fast_refresh(uint64_t stop_height, uint64_t &blocks_start_height, std::list<crypto::hash> &short_chain_history, bool force = false);