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authorRiccardo Spagni <ric@spagni.net>2016-03-25 08:42:42 +0200
committerRiccardo Spagni <ric@spagni.net>2016-03-25 08:42:42 +0200
commit01e0a69c175852adb01897431a138739faf39fe1 (patch)
tree9942b11a421e8743b179f341ca28c39f08843a92 /src/cryptonote_core
parentMerge pull request #756 (diff)
downloadmonero-01e0a69c175852adb01897431a138739faf39fe1.tar.xz
Revert "Merge pull request #749"
This reverts commit 7fa63a82a1c3a0243f6757c1689855ed3ca61695, reversing changes made to cb6be986c36b78eddb4b7f16e9ad440af8567dc4.
Diffstat (limited to 'src/cryptonote_core')
-rw-r--r--src/cryptonote_core/CMakeLists.txt2
-rw-r--r--src/cryptonote_core/blockchain.cpp49
-rw-r--r--src/cryptonote_core/blockchain.h890
-rw-r--r--src/cryptonote_core/blockchain_storage.cpp8
-rw-r--r--src/cryptonote_core/checkpoints.cpp251
-rw-r--r--src/cryptonote_core/checkpoints.h181
-rw-r--r--src/cryptonote_core/checkpoints_create.cpp280
-rw-r--r--src/cryptonote_core/checkpoints_create.h48
-rw-r--r--src/cryptonote_core/cryptonote_core.cpp19
-rw-r--r--src/cryptonote_core/cryptonote_core.h650
-rw-r--r--src/cryptonote_core/difficulty.cpp6
-rw-r--r--src/cryptonote_core/difficulty.h12
12 files changed, 431 insertions, 1965 deletions
diff --git a/src/cryptonote_core/CMakeLists.txt b/src/cryptonote_core/CMakeLists.txt
index 205356797..88eea1d7e 100644
--- a/src/cryptonote_core/CMakeLists.txt
+++ b/src/cryptonote_core/CMakeLists.txt
@@ -31,6 +31,7 @@ set(cryptonote_core_sources
blockchain_storage.cpp
blockchain.cpp
checkpoints.cpp
+ checkpoints_create.cpp
cryptonote_basic_impl.cpp
cryptonote_core.cpp
cryptonote_format_utils.cpp
@@ -48,6 +49,7 @@ set(cryptonote_core_private_headers
blockchain_storage_boost_serialization.h
blockchain.h
checkpoints.h
+ checkpoints_create.h
connection_context.h
cryptonote_basic.h
cryptonote_basic_impl.h
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 2f42e1db5..131f56a4d 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -49,7 +49,7 @@
#include "common/boost_serialization_helper.h"
#include "warnings.h"
#include "crypto/hash.h"
-#include "cryptonote_core/checkpoints.h"
+#include "cryptonote_core/checkpoints_create.h"
#include "cryptonote_core/cryptonote_core.h"
#if defined(PER_BLOCK_CHECKPOINT)
#include "blocks/blocks.h"
@@ -840,7 +840,7 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
}
}
- //removing alt_chain entries from alternative chains container
+ //removing alt_chain entries from alternative chain
for (auto ch_ent: alt_chain)
{
m_alternative_chains.erase(ch_ent);
@@ -991,7 +991,8 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl
return true;
}
//------------------------------------------------------------------
-// get the block sizes of the last <count> blocks, and return by reference <sz>.
+// get the block sizes of the last <count> blocks, starting at <from_height>
+// and return by reference <sz>.
void Blockchain::get_last_n_blocks_sizes(std::vector<size_t>& sz, size_t count) const
{
LOG_PRINT_L3("Blockchain::" << __func__);
@@ -1407,10 +1408,6 @@ bool Blockchain::get_blocks(uint64_t start_offset, size_t count, std::list<block
//TODO: This function *looks* like it won't need to be rewritten
// to use BlockchainDB, as it calls other functions that were,
// but it warrants some looking into later.
-//
-//FIXME: This function appears to want to return false if any transactions
-// that belong with blocks are missing, but not if blocks themselves
-// are missing.
bool Blockchain::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp)
{
LOG_PRINT_L3("Blockchain::" << __func__);
@@ -1424,9 +1421,6 @@ bool Blockchain::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NO
{
std::list<crypto::hash> missed_tx_ids;
std::list<transaction> txs;
-
- // FIXME: s/rsp.missed_ids/missed_tx_id/ ? Seems like rsp.missed_ids
- // is for missed blocks, not missed transactions as well.
get_transactions(bl.tx_hashes, txs, missed_tx_ids);
if (missed_tx_ids.size() != 0)
@@ -1674,8 +1668,6 @@ uint64_t Blockchain::block_difficulty(uint64_t i) const
return 0;
}
//------------------------------------------------------------------
-//TODO: return type should be void, throw on exception
-// alternatively, return true only if no blocks missed
template<class t_ids_container, class t_blocks_container, class t_missed_container>
bool Blockchain::get_blocks(const t_ids_container& block_ids, t_blocks_container& blocks, t_missed_container& missed_bs) const
{
@@ -1700,8 +1692,6 @@ bool Blockchain::get_blocks(const t_ids_container& block_ids, t_blocks_container
return true;
}
//------------------------------------------------------------------
-//TODO: return type should be void, throw on exception
-// alternatively, return true only if no transactions missed
template<class t_ids_container, class t_tx_container, class t_missed_container>
bool Blockchain::get_transactions(const t_ids_container& txs_ids, t_tx_container& txs, t_missed_container& missed_txs) const
{
@@ -1718,6 +1708,7 @@ bool Blockchain::get_transactions(const t_ids_container& txs_ids, t_tx_container
{
missed_txs.push_back(tx_hash);
}
+ //FIXME: is this the correct way to handle this?
catch (const std::exception& e)
{
return false;
@@ -1974,11 +1965,6 @@ bool Blockchain::get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<u
return true;
}
//------------------------------------------------------------------
-//FIXME: it seems this function is meant to be merely a wrapper around
-// another function of the same name, this one adding one bit of
-// functionality. Should probably move anything more than that
-// (getting the hash of the block at height max_used_block_id)
-// to the other function to keep everything in one place.
// This function overloads its sister function with
// an extra value (hash of highest block that holds an output used as input)
// as a return-by-reference.
@@ -1989,7 +1975,6 @@ bool Blockchain::check_tx_inputs(const transaction& tx, uint64_t& max_used_block
#if defined(PER_BLOCK_CHECKPOINT)
// check if we're doing per-block checkpointing
- // FIXME: investigate why this block returns
if (m_db->height() < m_blocks_hash_check.size() && kept_by_block)
{
TIME_MEASURE_START(a);
@@ -2053,10 +2038,6 @@ bool Blockchain::have_tx_keyimges_as_spent(const transaction &tx) const
}
//------------------------------------------------------------------
// This function validates transaction inputs and their keys.
-// FIXME: consider moving functionality specific to one input into
-// check_tx_input() rather than here, and use this function simply
-// to iterate the inputs as necessary (splitting the task
-// using threads, etc.)
bool Blockchain::check_tx_inputs(const transaction& tx, uint64_t* pmax_used_block_height)
{
LOG_PRINT_L3("Blockchain::" << __func__);
@@ -2339,7 +2320,7 @@ bool Blockchain::check_tx_input(const txin_to_key& txin, const crypto::hash& tx_
output_keys.clear();
- // collect output keys
+ //check ring signature
outputs_visitor vi(output_keys, *this);
if (!scan_outputkeys_for_indexes(txin, vi, tx_prefix_hash, pmax_related_block_height))
{
@@ -2636,11 +2617,6 @@ leave:
txs.push_back(tx);
TIME_MEASURE_START(dd);
- // FIXME: the storage should not be responsible for validation.
- // If it does any, it is merely a sanity check.
- // Validation is the purview of the Blockchain class
- // - TW
- //
// ND: this is not needed, db->add_block() checks for duplicate k_images and fails accordingly.
// if (!check_for_double_spend(tx, keys))
// {
@@ -2821,8 +2797,6 @@ bool Blockchain::add_new_block(const block& bl_, block_verification_context& bvc
return handle_block_to_main_chain(bl, id, bvc);
}
//------------------------------------------------------------------
-//TODO: Refactor, consider returning a failure height and letting
-// caller decide course of action.
void Blockchain::check_against_checkpoints(const checkpoints& points, bool enforce)
{
const auto& pts = points.get_points();
@@ -2860,16 +2834,16 @@ void Blockchain::check_against_checkpoints(const checkpoints& points, bool enfor
// with an existing checkpoint.
bool Blockchain::update_checkpoints(const std::string& file_path, bool check_dns)
{
- if (!m_checkpoints.load_checkpoints_from_json(file_path))
+ if (!cryptonote::load_checkpoints_from_json(m_checkpoints, file_path))
{
- return false;
+ return false;
}
// if we're checking both dns and json, load checkpoints from dns.
// if we're not hard-enforcing dns checkpoints, handle accordingly
if (m_enforce_dns_checkpoints && check_dns)
{
- if (!m_checkpoints.load_checkpoints_from_dns())
+ if (!cryptonote::load_checkpoints_from_dns(m_checkpoints))
{
return false;
}
@@ -2877,7 +2851,7 @@ bool Blockchain::update_checkpoints(const std::string& file_path, bool check_dns
else if (check_dns)
{
checkpoints dns_points;
- dns_points.load_checkpoints_from_dns();
+ cryptonote::load_checkpoints_from_dns(dns_points);
if (m_checkpoints.check_for_conflicts(dns_points))
{
check_against_checkpoints(dns_points, false);
@@ -2904,8 +2878,6 @@ void Blockchain::block_longhash_worker(const uint64_t height, const std::vector<
TIME_MEASURE_START(t);
slow_hash_allocate_state();
- //FIXME: height should be changing here, as get_block_longhash expects
- // the height of the block passed to it
for (const auto & block : blocks)
{
crypto::hash id = get_block_hash(block);
@@ -2961,7 +2933,6 @@ bool Blockchain::cleanup_handle_incoming_blocks(bool force_sync)
}
//------------------------------------------------------------------
-//FIXME: unused parameter txs
void Blockchain::output_scan_worker(const uint64_t amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, std::unordered_map<crypto::hash, cryptonote::transaction> &txs) const
{
try
diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h
index 94def1aa9..ab2c8f9e8 100644
--- a/src/cryptonote_core/blockchain.h
+++ b/src/cryptonote_core/blockchain.h
@@ -60,14 +60,11 @@ namespace cryptonote
class tx_memory_pool;
struct test_options;
- /** Declares ways in which the BlockchainDB backend should be told to sync
- *
- */
enum blockchain_db_sync_mode
{
- db_sync, //!< handle syncing calls instead of the backing db, synchronously
- db_async, //!< handle syncing calls instead of the backing db, asynchronously
- db_nosync //!< Leave syncing up to the backing db (safest, but slowest because of disk I/O)
+ db_sync,
+ db_async,
+ db_nosync
};
/************************************************************************/
@@ -76,9 +73,6 @@ namespace cryptonote
class Blockchain
{
public:
- /**
- * @brief Now-defunct (TODO: remove) struct from in-memory blockchain
- */
struct transaction_chain_entry
{
transaction tx;
@@ -87,697 +81,127 @@ namespace cryptonote
std::vector<uint64_t> m_global_output_indexes;
};
- /**
- * @brief container for passing a block and metadata about it on the blockchain
- */
struct block_extended_info
{
- block bl; //!< the block
- uint64_t height; //!< the height of the block in the blockchain
- size_t block_cumulative_size; //!< the size (in bytes) of the block
- difficulty_type cumulative_difficulty; //!< the accumulated difficulty after that block
- uint64_t already_generated_coins; //!< the total coins minted after that block
+ block bl;
+ uint64_t height;
+ size_t block_cumulative_size;
+ difficulty_type cumulative_difficulty;
+ uint64_t already_generated_coins;
};
- /**
- * @brief Blockchain constructor
- *
- * @param tx_pool a reference to the transaction pool to be kept by the Blockchain
- */
Blockchain(tx_memory_pool& tx_pool);
- /**
- * @brief Initialize the Blockchain state
- *
- * @param db a pointer to the backing store to use for the blockchain
- * @param testnet true if on testnet, else false
- * @param test_options test parameters
- *
- * @return true on success, false if any initialization steps fail
- */
bool init(BlockchainDB* db, const bool testnet = false, const cryptonote::test_options *test_options = NULL);
-
- /**
- * @brief Initialize the Blockchain state
- *
- * @param db a pointer to the backing store to use for the blockchain
- * @param hf a structure containing hardfork information
- * @param testnet true if on testnet, else false
- *
- * @return true on success, false if any initialization steps fail
- */
bool init(BlockchainDB* db, HardFork*& hf, const bool testnet = false);
-
- /**
- * @brief Uninitializes the blockchain state
- *
- * Saves to disk any state that needs to be maintained
- *
- * @return true on success, false if any uninitialization steps fail
- */
bool deinit();
- /**
- * @brief assign a set of blockchain checkpoint hashes
- *
- * @param chk_pts the set of checkpoints to assign
- */
void set_checkpoints(checkpoints&& chk_pts) { m_checkpoints = chk_pts; }
- /**
- * @brief get blocks and transactions from blocks based on start height and count
- *
- * @param start_offset the height on the blockchain to start at
- * @param count the number of blocks to get, if there are as many after start_offset
- * @param blocks return-by-reference container to put result blocks in
- * @param txs return-by-reference container to put result transactions in
- *
- * @return false if start_offset > blockchain height, else true
- */
+ //bool push_new_block();
bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks, std::list<transaction>& txs) const;
-
- /**
- * @brief get blocks from blocks based on start height and count
- *
- * @param start_offset the height on the blockchain to start at
- * @param count the number of blocks to get, if there are as many after start_offset
- * @param blocks return-by-reference container to put result blocks in
- *
- * @return false if start_offset > blockchain height, else true
- */
bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks) const;
-
- /**
- * @brief compiles a list of all blocks stored as alternative chains
- *
- * @param blocks return-by-reference container to put result blocks in
- *
- * @return true
- */
bool get_alternative_blocks(std::list<block>& blocks) const;
-
- /**
- * @brief returns the number of alternative blocks stored
- *
- * @return the number of alternative blocks stored
- */
size_t get_alternative_blocks_count() const;
-
- /**
- * @brief gets a block's hash given a height
- *
- * @param height the height of the block
- *
- * @return the hash of the block at the requested height, or a zeroed hash if there is no such block
- */
crypto::hash get_block_id_by_height(uint64_t height) const;
-
- /**
- * @brief gets the block with a given hash
- *
- * @param h the hash to look for
- * @param blk return-by-reference variable to put result block in
- *
- * @return true if the block was found, else false
- */
bool get_block_by_hash(const crypto::hash &h, block &blk) const;
-
- /**
- * @brief get all block hashes (main chain, alt chains, and invalid blocks)
- *
- * @param main return-by-reference container to put result main chain blocks' hashes in
- * @param alt return-by-reference container to put result alt chain blocks' hashes in
- * @param invalid return-by-reference container to put result invalid blocks' hashes in
- */
void get_all_known_block_ids(std::list<crypto::hash> &main, std::list<crypto::hash> &alt, std::list<crypto::hash> &invalid) const;
-
- /**
- * @brief performs some preprocessing on a group of incoming blocks to speed up verification
- *
- * @param blocks a list of incoming blocks
- *
- * @return false on erroneous blocks, else true
- */
bool prepare_handle_incoming_blocks(const std::list<block_complete_entry> &blocks);
-
- /**
- * @brief incoming blocks post-processing, cleanup, and disk sync
- *
- * @param force_sync if true, and Blockchain is handling syncing to disk, always sync
- *
- * @return true
- */
bool cleanup_handle_incoming_blocks(bool force_sync = false);
- /**
- * @brief search the blockchain for a transaction by hash
- *
- * @param id the hash to search for
- *
- * @return true if the tx exists, else false
- */
bool have_tx(const crypto::hash &id) const;
-
- /**
- * @brief check if any key image in a transaction has already been spent
- *
- * @param tx the transaction to check
- *
- * @return true if any key image is already spent in the blockchain, else false
- */
bool have_tx_keyimges_as_spent(const transaction &tx) const;
-
- /**
- * @brief check if a key image is already spent on the blockchain
- *
- * Whenever a transaction output is used as an input for another transaction
- * (a true input, not just one of a mixing set), a key image is generated
- * and stored in the transaction in order to prevent double spending. If
- * this key image is seen again, the transaction using it is rejected.
- *
- * @param key_im the key image to search for
- *
- * @return true if the key image is already spent in the blockchain, else false
- */
bool have_tx_keyimg_as_spent(const crypto::key_image &key_im) const;
- /**
- * @brief get the current height of the blockchain
- *
- * @return the height
- */
uint64_t get_current_blockchain_height() const;
-
- /**
- * @brief get the hash of the most recent block on the blockchain
- *
- * @return the hash
- */
crypto::hash get_tail_id() const;
-
- /**
- * @brief get the height and hash of the most recent block on the blockchain
- *
- * @param height return-by-reference variable to store the height in
- *
- * @return the hash
- */
crypto::hash get_tail_id(uint64_t& height) const;
-
- /**
- * @brief returns the difficulty target the next block to be added must meet
- *
- * @return the target
- */
difficulty_type get_difficulty_for_next_block();
-
- /**
- * @brief adds a block to the blockchain
- *
- * Adds a new block to the blockchain. If the block's parent is not the
- * current top of the blockchain, the block may be added to an alternate
- * chain. If the block does not belong, is already in the blockchain
- * or an alternate chain, or is invalid, return false.
- *
- * @param bl_ the block to be added
- * @param bvc metadata about the block addition's success/failure
- *
- * @return true on successful addition to the blockchain, else false
- */
bool add_new_block(const block& bl_, block_verification_context& bvc);
-
- /**
- * @brief clears the blockchain and starts a new one
- *
- * @param b the first block in the new chain (the genesis block)
- *
- * @return true on success, else false
- */
bool reset_and_set_genesis_block(const block& b);
-
- /**
- * @brief creates a new block to mine against
- *
- * @param b return-by-reference block to be filled in
- * @param miner_address address new coins for the block will go to
- * @param di return-by-reference tells the miner what the difficulty target is
- * @param height return-by-reference tells the miner what height it's mining against
- * @param ex_nonce extra data to be added to the miner transaction's extra
- *
- * @return true if block template filled in successfully, else false
- */
bool create_block_template(block& b, const account_public_address& miner_address, difficulty_type& di, uint64_t& height, const blobdata& ex_nonce);
-
- /**
- * @brief checks if a block is known about with a given hash
- *
- * This function checks the main chain, alternate chains, and invalid blocks
- * for a block with the given hash
- *
- * @param id the hash to search for
- *
- * @return true if the block is known, else false
- */
bool have_block(const crypto::hash& id) const;
-
- /**
- * @brief gets the total number of transactions on the main chain
- *
- * @return the number of transactions on the main chain
- */
size_t get_total_transactions() const;
-
- /**
- * @brief gets the hashes for a subset of the blockchain
- *
- * puts into list <ids> a list of hashes representing certain blocks
- * from the blockchain in reverse chronological order
- *
- * the blocks chosen, at the time of this writing, are:
- * the most recent 11
- * powers of 2 less recent from there, so 13, 17, 25, etc...
- *
- * @param ids return-by-reference list to put the resulting hashes in
- *
- * @return true
- */
bool get_short_chain_history(std::list<crypto::hash>& ids) const;
-
- /**
- * @brief get recent block hashes for a foreign chain
- *
- * Find the split point between us and foreign blockchain and return
- * (by reference) the most recent common block hash along with up to
- * BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT additional (more recent) hashes.
- *
- * @param qblock_ids the foreign chain's "short history" (see get_short_chain_history)
- * @param resp return-by-reference the split height and subsequent blocks' hashes
- *
- * @return true if a block found in common, else false
- */
bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp) const;
-
- /**
- * @brief find the most recent common point between ours and a foreign chain
- *
- * This function takes a list of block hashes from another node
- * on the network to find where the split point is between us and them.
- * This is used to see what to send another node that needs to sync.
- *
- * @param qblock_ids the foreign chain's "short history" (see get_short_chain_history)
- * @param starter_offset return-by-reference the most recent common block's height
- *
- * @return true if a block found in common, else false
- */
bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, uint64_t& starter_offset) const;
-
- /**
- * @brief get recent blocks for a foreign chain
- *
- * This function gets recent blocks relative to a foreign chain, starting either at
- * a requested height or whatever height is the most recent ours and the foreign
- * chain have in common.
- *
- * @param req_start_block if non-zero, specifies a start point (otherwise find most recent commonality)
- * @param qblock_ids the foreign chain's "short history" (see get_short_chain_history)
- * @param blocks return-by-reference the blocks and their transactions
- * @param total_height return-by-reference our current blockchain height
- * @param start_height return-by-reference the height of the first block returned
- * @param max_count the max number of blocks to get
- *
- * @return true if a block found in common or req_start_block specified, else false
- */
bool find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count) const;
-
- /**
- * @brief retrieves a set of blocks and their transactions, and possibly other transactions
- *
- * the request object encapsulates a list of block hashes and a (possibly empty) list of
- * transaction hashes. for each block hash, the block is fetched along with all of that
- * block's transactions. Any transactions requested separately are fetched afterwards.
- *
- * @param arg the request
- * @param rsp return-by-reference the response to fill in
- *
- * @return true unless any blocks or transactions are missing
- */
bool handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp);
-
- /**
- * @brief gets random outputs to mix with
- *
- * This function takes an RPC request for outputs to mix with
- * and creates an RPC response with the resultant output indices.
- *
- * Outputs to mix with are randomly selected from the utxo set
- * for each output amount in the request.
- *
- * @param req the output amounts and number of mixins to select
- * @param res return-by-reference the resultant output indices
- *
- * @return true
- */
+ bool handle_get_objects(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);
bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res) const;
-
- /**
- * @brief gets the global indices for outputs from a given transaction
- *
- * This function gets the global indices for all outputs belonging
- * to a specific transaction.
- *
- * @param tx_id the hash of the transaction to fetch indices for
- * @param indexs return-by-reference the global indices for the transaction's outputs
- *
- * @return false if the transaction does not exist, or if no indices are found, otherwise true
- */
bool get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs) const;
-
- /**
- * @brief stores the blockchain
- *
- * If Blockchain is handling storing of the blockchain (rather than BlockchainDB),
- * this initiates a blockchain save.
- *
- * @return true unless saving the blockchain fails
- */
bool store_blockchain();
- /**
- * @brief validates a transaction's inputs
- *
- * validates a transaction's inputs as correctly used and not previously
- * spent. also returns the hash and height of the most recent block
- * which contains an output that was used as an input to the transaction.
- *
- * @param tx the transaction to validate
- * @param pmax_used_block_height return-by-reference block height of most recent input
- * @param max_used_block_id return-by-reference block hash of most recent input
- * @param kept_by_block whether or not the transaction is from a previously-verified block
- *
- * @return false if any input is invalid, otherwise true
- */
bool check_tx_inputs(const transaction& tx, uint64_t& pmax_used_block_height, crypto::hash& max_used_block_id, bool kept_by_block = false);
-
- /**
- * @brief check that a transaction's outputs conform to current standards
- *
- * This function checks, for example at the time of this writing, that
- * each output is of the form a * 10^b (phrased differently, that if
- * written out would have only one non-zero digit in base 10).
- *
- * @param tx the transaction to check the outputs of
- *
- * @return false if any outputs do not conform, otherwise true
- */
bool check_tx_outputs(const transaction& tx);
-
- /**
- * @brief gets the blocksize limit based on recent blocks
- *
- * @return the limit
- */
uint64_t get_current_cumulative_blocksize_limit() const;
-
- /**
- * @brief checks if the blockchain is currently being stored
- *
- * Note: this should be meaningless in cases where Blockchain is not
- * directly managing saving the blockchain to disk.
- *
- * @return true if Blockchain is having the chain stored currently, else false
- */
bool is_storing_blockchain()const{return m_is_blockchain_storing;}
-
- /**
- * @brief gets the difficulty of the block with a given height
- *
- * @param i the height
- *
- * @return the difficulty
- */
uint64_t block_difficulty(uint64_t i) const;
- /**
- * @brief gets blocks based on a list of block hashes
- *
- * @tparam t_ids_container a standard-iterable container
- * @tparam t_blocks_container a standard-iterable container
- * @tparam t_missed_container a standard-iterable container
- * @param block_ids a container of block hashes for which to get the corresponding blocks
- * @param blocks return-by-reference a container to store result blocks in
- * @param missed_bs return-by-reference a container to store missed blocks in
- *
- * @return false if an unexpected exception occurs, else true
- */
template<class t_ids_container, class t_blocks_container, class t_missed_container>
bool get_blocks(const t_ids_container& block_ids, t_blocks_container& blocks, t_missed_container& missed_bs) const;
- /**
- * @brief gets transactions based on a list of transaction hashes
- *
- * @tparam t_ids_container a standard-iterable container
- * @tparam t_tx_container a standard-iterable container
- * @tparam t_missed_container a standard-iterable container
- * @param txs_ids a container of hashes for which to get the corresponding transactions
- * @param txs return-by-reference a container to store result transactions in
- * @param missed_txs return-by-reference a container to store missed transactions in
- *
- * @return false if an unexpected exception occurs, else true
- */
template<class t_ids_container, class t_tx_container, class t_missed_container>
bool get_transactions(const t_ids_container& txs_ids, t_tx_container& txs, t_missed_container& missed_txs) const;
-
//debug functions
-
- /**
- * @brief prints data about a snippet of the blockchain
- *
- * if start_index is greater than the blockchain height, do nothing
- *
- * @param start_index height on chain to start at
- * @param end_index height on chain to end at
- */
void print_blockchain(uint64_t start_index, uint64_t end_index) const;
-
- /**
- * @brief prints every block's hash
- *
- * WARNING: This function will absolutely crush a terminal in prints, so
- * it is recommended to redirect this output to a log file (or null sink
- * if a log file is already set up, as should be the default)
- */
void print_blockchain_index() const;
-
- /**
- * @brief currently does nothing, candidate for removal
- *
- * @param file
- */
void print_blockchain_outs(const std::string& file) const;
- /**
- * @brief check the blockchain against a set of checkpoints
- *
- * If a block fails a checkpoint and enforce is enabled, the blockchain
- * will be rolled back to two blocks prior to that block. If enforce
- * is disabled, as is currently the default case with DNS-based checkpoints,
- * an error will be printed to the user but no other action will be taken.
- *
- * @param points the checkpoints to check against
- * @param enforce whether or not to take action on failure
- */
void check_against_checkpoints(const checkpoints& points, bool enforce);
-
- /**
- * @brief configure whether or not to enforce DNS-based checkpoints
- *
- * @param enforce the new enforcement setting
- */
void set_enforce_dns_checkpoints(bool enforce);
-
- /**
- * @brief loads new checkpoints from a file and optionally from DNS
- *
- * @param file_path the path of the file to look for and load checkpoints from
- * @param check_dns whether or not to check for new DNS-based checkpoints
- *
- * @return false if any enforced checkpoint type fails to load, otherwise true
- */
bool update_checkpoints(const std::string& file_path, bool check_dns);
-
// user options, must be called before calling init()
-
- //FIXME: parameter names don't match function definition in .cpp file
- /**
- * @brief sets various performance options
- *
- * @param block_threads max number of threads when preparing blocks for addition
- * @param blocks_per_sync number of blocks to cache before syncing to database
- * @param sync_mode the ::blockchain_db_sync_mode to use
- * @param fast_sync sync using built-in block hashes as trusted
- */
void set_user_options(uint64_t block_threads, uint64_t blocks_per_sync,
blockchain_db_sync_mode sync_mode, bool fast_sync);
- /**
- * @brief set whether or not to show/print time statistics
- *
- * @param stats the new time stats setting
- */
void set_show_time_stats(bool stats) { m_show_time_stats = stats; }
- /**
- * @brief gets the hardfork voting state object
- *
- * @return the HardFork object
- */
HardFork::State get_hard_fork_state() const;
-
- /**
- * @brief gets the current hardfork version in use/voted for
- *
- * @return the version
- */
uint8_t get_current_hard_fork_version() const { return m_hardfork->get_current_version(); }
-
- /**
- * @brief returns the newest hardfork version known to the blockchain
- *
- * @return the version
- */
uint8_t get_ideal_hard_fork_version() const { return m_hardfork->get_ideal_version(); }
-
- /**
- * @brief returns the newest hardfork version voted to be enabled
- * as of a certain height
- *
- * @param height the height for which to check version info
- *
- * @return the version
- */
uint8_t get_ideal_hard_fork_version(uint64_t height) const { return m_hardfork->get_ideal_version(height); }
- /**
- * @brief get information about hardfork voting for a version
- *
- * @param version the version in question
- * @param window the size of the voting window
- * @param votes the number of votes to enable <version>
- * @param threshold the number of votes required to enable <version>
- * @param earliest_height the earliest height at which <version> is allowed
- * @param voting which version this node is voting for/using
- *
- * @return whether the version queried is enabled
- */
bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint64_t &earliest_height, uint8_t &voting) const;
- /**
- * @brief remove transactions from the transaction pool (if present)
- *
- * @param txids a list of hashes of transactions to be removed
- *
- * @return false if any removals fail, otherwise true
- */
bool flush_txes_from_pool(const std::list<crypto::hash> &txids);
- /**
- * @brief perform a check on all key images in the blockchain
- *
- * @param std::function the check to perform, pass/fail
- *
- * @return false if any key image fails the check, otherwise true
- */
bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
-
- /**
- * @brief perform a check on all blocks in the blockchain
- *
- * @param std::function the check to perform, pass/fail
- *
- * @return false if any block fails the check, otherwise true
- */
bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const block&)>) const;
-
- /**
- * @brief perform a check on all transactions in the blockchain
- *
- * @param std::function the check to perform, pass/fail
- *
- * @return false if any transaction fails the check, otherwise true
- */
bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const;
-
- /**
- * @brief perform a check on all outputs in the blockchain
- *
- * @param std::function the check to perform, pass/fail
- *
- * @return false if any output fails the check, otherwise true
- */
bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)>) const;
- /**
- * @brief get a reference to the BlockchainDB in use by Blockchain
- *
- * @return a reference to the BlockchainDB instance
- */
BlockchainDB& get_db()
{
return *m_db;
}
- /**
- * @brief get a number of outputs of a specific amount
- *
- * @param amount the amount
- * @param offsets the indices (indexed to the amount) of the outputs
- * @param outputs return-by-reference the outputs collected
- * @param txs unused, candidate for removal
- */
void output_scan_worker(const uint64_t amount,const std::vector<uint64_t> &offsets,
std::vector<output_data_t> &outputs, std::unordered_map<crypto::hash,
cryptonote::transaction> &txs) const;
- /**
- * @brief computes the "short" and "long" hashes for a set of blocks
- *
- * @param height the height of the first block
- * @param blocks the blocks to be hashed
- * @param map return-by-reference the hashes for each block
- */
void block_longhash_worker(const uint64_t height, const std::vector<block> &blocks,
std::unordered_map<crypto::hash, crypto::hash> &map) const;
private:
-
- // TODO: evaluate whether or not each of these typedefs are left over from blockchain_storage
typedef std::unordered_map<crypto::hash, size_t> blocks_by_id_index;
-
typedef std::unordered_map<crypto::hash, transaction_chain_entry> transactions_container;
-
typedef std::unordered_set<crypto::key_image> key_images_container;
-
typedef std::vector<block_extended_info> blocks_container;
-
typedef std::unordered_map<crypto::hash, block_extended_info> blocks_ext_by_hash;
-
typedef std::unordered_map<crypto::hash, block> blocks_by_hash;
-
typedef std::map<uint64_t, std::vector<std::pair<crypto::hash, size_t>>> outputs_container; //crypto::hash - tx hash, size_t - index of out in transaction
-
BlockchainDB* m_db;
tx_memory_pool& m_tx_pool;
-
mutable epee::critical_section m_blockchain_lock; // TODO: add here reader/writer lock
// main chain
transactions_container m_transactions;
size_t m_current_block_cumul_sz_limit;
- // metadata containers
std::unordered_map<crypto::hash, std::unordered_map<crypto::key_image, std::vector<output_data_t>>> m_scan_table;
std::unordered_map<crypto::hash, std::pair<bool, uint64_t>> m_check_tx_inputs_table;
std::unordered_map<crypto::hash, crypto::hash> m_blocks_longhash_table;
@@ -819,323 +243,39 @@ namespace cryptonote
bool m_testnet;
- /**
- * @brief collects the keys for all outputs being "spent" as an input
- *
- * This function makes sure that each "input" in an input (mixins) exists
- * and collects the public key for each from the transaction it was included in
- * via the visitor passed to it.
- *
- * If pmax_related_block_height is not NULL, its value is set to the height
- * of the most recent block which contains an output used in the input set
- *
- * @tparam visitor_t a class encapsulating tx is unlocked and collect tx key
- * @param tx_in_to_key a transaction input instance
- * @param vis an instance of the visitor to use
- * @param tx_prefix_hash the hash of the associated transaction_prefix
- * @param pmax_related_block_height return-by-pointer the height of the most recent block in the input set
- *
- * @return false if any keys are not found or any inputs are not unlocked, otherwise true
- */
template<class visitor_t>
inline bool scan_outputkeys_for_indexes(const txin_to_key& tx_in_to_key, visitor_t &vis, const crypto::hash &tx_prefix_hash, uint64_t* pmax_related_block_height = NULL) const;
-
- /**
- * @brief collect output public keys of a transaction input set
- *
- * This function locates all outputs associated with a given input set (mixins)
- * and validates that they exist and are usable
- * (unlocked, unspent is checked elsewhere).
- *
- * If pmax_related_block_height is not NULL, its value is set to the height
- * of the most recent block which contains an output used in the input set
- *
- * @param txin the transaction input
- * @param tx_prefix_hash the transaction prefix hash, for caching organization
- * @param sig the input signature
- * @param output_keys return-by-reference the public keys of the outputs in the input set
- * @param pmax_related_block_height return-by-pointer the height of the most recent block in the input set
- *
- * @return false if any output is not yet unlocked, or is missing, otherwise true
- */
bool check_tx_input(const txin_to_key& txin, const crypto::hash& tx_prefix_hash, const std::vector<crypto::signature>& sig, std::vector<crypto::public_key> &output_keys, uint64_t* pmax_related_block_height);
-
- /**
- * @brief validate a transaction's inputs and their keys
- *
- * This function validates transaction inputs and their keys. Previously
- * it also performed double spend checking, but that has been moved to its
- * own function.
- *
- * If pmax_related_block_height is not NULL, its value is set to the height
- * of the most recent block which contains an output used in any input set
- *
- * Currently this function calls ring signature validation for each
- * transaction.
- *
- * @param tx the transaction to validate
- * @param pmax_related_block_height return-by-pointer the height of the most recent block in the input set
- *
- * @return false if any validation step fails, otherwise true
- */
bool check_tx_inputs(const transaction& tx, uint64_t* pmax_used_block_height = NULL);
- /**
- * @brief performs a blockchain reorganization according to the longest chain rule
- *
- * This function aggregates all the actions necessary to switch to a
- * newly-longer chain. If any step in the reorganization process fails,
- * the blockchain is reverted to its previous state.
- *
- * @param alt_chain the chain to switch to
- * @param discard_disconnected_chain whether or not to keep the old chain as an alternate
- *
- * @return false if the reorganization fails, otherwise true
- */
bool switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::iterator>& alt_chain, bool discard_disconnected_chain);
-
- /**
- * @brief removes the most recent block from the blockchain
- *
- * @return the block removed
- */
block pop_block_from_blockchain();
- /**
- * @brief validate and add a new block to the end of the blockchain
- *
- * This function is merely a convenience wrapper around the other
- * of the same name. This one passes the block's hash to the other
- * as well as the block and verification context.
- *
- * @param bl the block to be added
- * @param bvc metadata concerning the block's validity
- *
- * @return true if the block was added successfully, otherwise false
- */
bool handle_block_to_main_chain(const block& bl, block_verification_context& bvc);
-
- /**
- * @brief validate and add a new block to the end of the blockchain
- *
- * When a block is given to Blockchain to be added to the blockchain, it
- * is passed here if it is determined to belong at the end of the current
- * chain.
- *
- * @param bl the block to be added
- * @param id the hash of the block
- * @param bvc metadata concerning the block's validity
- *
- * @return true if the block was added successfully, otherwise false
- */
bool handle_block_to_main_chain(const block& bl, const crypto::hash& id, block_verification_context& bvc);
-
- /**
- * @brief validate and add a new block to an alternate blockchain
- *
- * If a block to be added does not belong to the main chain, but there
- * is an alternate chain to which it should be added, that is handled
- * here.
- *
- * @param b the block to be added
- * @param id the hash of the block
- * @param bvc metadata concerning the block's validity
- *
- * @return true if the block was added successfully, otherwise false
- */
bool handle_alternative_block(const block& b, const crypto::hash& id, block_verification_context& bvc);
-
- /**
- * @brief gets the difficulty requirement for a new block on an alternate chain
- *
- * @param alt_chain the chain to be added to
- * @param bei the block being added (and metadata, see ::block_extended_info)
- *
- * @return the difficulty requirement
- */
difficulty_type get_next_difficulty_for_alternative_chain(const std::list<blocks_ext_by_hash::iterator>& alt_chain, block_extended_info& bei) const;
-
- /**
- * @brief sanity checks a miner transaction before validating an entire block
- *
- * This function merely checks basic things like the structure of the miner
- * transaction, the unlock time, and that the amount doesn't overflow.
- *
- * @param b the block containing the miner transaction
- * @param height the height at which the block will be added
- *
- * @return false if anything is found wrong with the miner transaction, otherwise true
- */
bool prevalidate_miner_transaction(const block& b, uint64_t height);
-
- /**
- * @brief validates a miner (coinbase) transaction
- *
- * This function makes sure that the miner calculated his reward correctly
- * and that his miner transaction totals reward + fee.
- *
- * @param b the block containing the miner transaction to be validated
- * @param cumulative_block_size the block's size
- * @param fee the total fees collected in the block
- * @param base_reward return-by-reference the new block's generated coins
- * @param already_generated_coins the amount of currency generated prior to this block
- * @param partial_block_reward return-by-reference true if miner accepted only partial reward
- *
- * @return false if anything is found wrong with the miner transaction, otherwise true
- */
bool validate_miner_transaction(const block& b, size_t cumulative_block_size, uint64_t fee, uint64_t& base_reward, uint64_t already_generated_coins, bool &partial_block_reward);
-
- /**
- * @brief reverts the blockchain to its previous state following a failed switch
- *
- * If Blockchain fails to switch to an alternate chain when it means
- * to do so, this function reverts the blockchain to how it was before
- * the attempted switch.
- *
- * @param original_chain the chain to switch back to
- * @param rollback_height the height to revert to before appending the original chain
- *
- * @return false if something goes wrong with reverting (very bad), otherwise true
- */
+ bool validate_transaction(const block& b, uint64_t height, const transaction& tx);
bool rollback_blockchain_switching(std::list<block>& original_chain, uint64_t rollback_height);
-
- /**
- * @brief gets recent block sizes for median calculation
- *
- * get the block sizes of the last <count> blocks, and return by reference <sz>.
- *
- * @param sz return-by-reference the list of sizes
- * @param count the number of blocks to get sizes for
- */
+ bool add_transaction_from_block(const transaction& tx, const crypto::hash& tx_id, const crypto::hash& bl_id, uint64_t bl_height);
+ bool push_transaction_to_global_outs_index(const transaction& tx, const crypto::hash& tx_id, std::vector<uint64_t>& global_indexes);
+ bool pop_transaction_from_global_index(const transaction& tx, const crypto::hash& tx_id);
void get_last_n_blocks_sizes(std::vector<size_t>& sz, size_t count) const;
-
- /**
- * @brief adds the given output to the requested set of random outputs
- *
- * @param result_outs return-by-reference the set the output is to be added to
- * @param amount the output amount
- * @param i the output index (indexed to amount)
- */
void add_out_to_get_random_outs(COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& result_outs, uint64_t amount, size_t i) const;
-
- /**
- * @brief checks if a transaction is unlocked (its outputs spendable)
- *
- * This function checks to see if a transaction is unlocked.
- * unlock_time is either a block index or a unix time.
- *
- * @param unlock_time the unlock parameter (height or time)
- *
- * @return true if spendable, otherwise false
- */
bool is_tx_spendtime_unlocked(uint64_t unlock_time) const;
-
- /**
- * @brief stores an invalid block in a separate container
- *
- * Storing invalid blocks allows quick dismissal of the same block
- * if it is seen again.
- *
- * @param bl the invalid block
- * @param h the block's hash
- *
- * @return false if the block cannot be stored for some reason, otherwise true
- */
bool add_block_as_invalid(const block& bl, const crypto::hash& h);
-
- /**
- * @brief stores an invalid block in a separate container
- *
- * Storing invalid blocks allows quick dismissal of the same block
- * if it is seen again.
- *
- * @param bei the invalid block (see ::block_extended_info)
- * @param h the block's hash
- *
- * @return false if the block cannot be stored for some reason, otherwise true
- */
bool add_block_as_invalid(const block_extended_info& bei, const crypto::hash& h);
-
- /**
- * @brief checks a block's timestamp
- *
- * This function grabs the timestamps from the most recent <n> blocks,
- * where n = BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW. If there are not those many
- * blocks in the blockchain, the timestap is assumed to be valid. If there
- * are, this function returns:
- * true if the block's timestamp is not less than the timestamp of the
- * median of the selected blocks
- * false otherwise
- *
- * @param b the block to be checked
- *
- * @return true if the block's timestamp is valid, otherwise false
- */
bool check_block_timestamp(const block& b) const;
-
- /**
- * @brief checks a block's timestamp
- *
- * If the block is not more recent than the median of the recent
- * timestamps passed here, it is considered invalid.
- *
- * @param timestamps a list of the most recent timestamps to check against
- * @param b the block to be checked
- *
- * @return true if the block's timestamp is valid, otherwise false
- */
bool check_block_timestamp(std::vector<uint64_t>& timestamps, const block& b) const;
-
- /**
- * @brief get the "adjusted time"
- *
- * Currently this simply returns the current time according to the
- * user's machine.
- *
- * @return the current time
- */
uint64_t get_adjusted_time() const;
-
- /**
- * @brief finish an alternate chain's timestamp window from the main chain
- *
- * for an alternate chain, get the timestamps from the main chain to complete
- * the needed number of timestamps for the BLOCKCHAIN_TIMESTAMP_CHECK_WINDOW.
- *
- * @param start_height the alternate chain's attachment height to the main chain
- * @param timestamps return-by-value the timestamps set to be populated
- *
- * @return true unless start_height is greater than the current blockchain height
- */
bool complete_timestamps_vector(uint64_t start_height, std::vector<uint64_t>& timestamps);
-
- /**
- * @brief calculate the block size limit for the next block to be added
- *
- * @return true
- */
bool update_next_cumulative_size_limit();
void return_tx_to_pool(const std::vector<transaction> &txs);
- /**
- * @brief make sure a transaction isn't attempting a double-spend
- *
- * @param tx the transaction to check
- * @param keys_this_block a cumulative list of spent keys for the current block
- *
- * @return false if a double spend was detected, otherwise true
- */
bool check_for_double_spend(const transaction& tx, key_images_container& keys_this_block) const;
-
- /**
- * @brief validates a transaction input's ring signature
- *
- * @param tx_prefix_hash the transaction prefix' hash
- * @param key_image the key image generated from the true input
- * @param pubkeys the public keys for each input in the ring signature
- * @param sig the signature generated for each input in the ring signature
- * @param result false if the ring signature is invalid, otherwise true
- */
+ void get_timestamp_and_difficulty(uint64_t &timestamp, difficulty_type &difficulty, const int offset) const;
void check_ring_signature(const crypto::hash &tx_prefix_hash, const crypto::key_image &key_image,
const std::vector<crypto::public_key> &pubkeys, const std::vector<crypto::signature> &sig, uint64_t &result);
diff --git a/src/cryptonote_core/blockchain_storage.cpp b/src/cryptonote_core/blockchain_storage.cpp
index a829b7cbe..e1b89f887 100644
--- a/src/cryptonote_core/blockchain_storage.cpp
+++ b/src/cryptonote_core/blockchain_storage.cpp
@@ -48,7 +48,7 @@
#include "common/boost_serialization_helper.h"
#include "warnings.h"
#include "crypto/hash.h"
-#include "cryptonote_core/checkpoints.h"
+#include "cryptonote_core/checkpoints_create.h"
//#include "serialization/json_archive.h"
#include "../../contrib/otshell_utils/utils.hpp"
#include "../../src/p2p/data_logger.hpp"
@@ -1854,7 +1854,7 @@ void blockchain_storage::check_against_checkpoints(const checkpoints& points, bo
// with an existing checkpoint.
bool blockchain_storage::update_checkpoints(const std::string& file_path, bool check_dns)
{
- if (!m_checkpoints.load_checkpoints_from_json(file_path))
+ if (!cryptonote::load_checkpoints_from_json(m_checkpoints, file_path))
{
return false;
}
@@ -1863,7 +1863,7 @@ bool blockchain_storage::update_checkpoints(const std::string& file_path, bool c
// if we're not hard-enforcing dns checkpoints, handle accordingly
if (m_enforce_dns_checkpoints && check_dns)
{
- if (!m_checkpoints.load_checkpoints_from_dns())
+ if (!cryptonote::load_checkpoints_from_dns(m_checkpoints))
{
return false;
}
@@ -1871,7 +1871,7 @@ bool blockchain_storage::update_checkpoints(const std::string& file_path, bool c
else if (check_dns)
{
checkpoints dns_points;
- dns_points.load_checkpoints_from_dns(m_testnet);
+ cryptonote::load_checkpoints_from_dns(dns_points, m_testnet);
if (m_checkpoints.check_for_conflicts(dns_points))
{
check_against_checkpoints(dns_points, false);
diff --git a/src/cryptonote_core/checkpoints.cpp b/src/cryptonote_core/checkpoints.cpp
index c038a4802..24d066dae 100644
--- a/src/cryptonote_core/checkpoints.cpp
+++ b/src/cryptonote_core/checkpoints.cpp
@@ -1,21 +1,21 @@
// Copyright (c) 2014-2016, The Monero Project
-//
+//
// All rights reserved.
-//
+//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
-//
+//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
-//
+//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
-//
+//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
-//
+//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
@@ -25,44 +25,14 @@
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
+//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include "include_base_utils.h"
-
using namespace epee;
#include "checkpoints.h"
-#include "common/dns_utils.h"
-#include "include_base_utils.h"
-#include <sstream>
-#include <random>
-
-namespace
-{
- bool dns_records_match(const std::vector<std::string>& a, const std::vector<std::string>& b)
- {
- if (a.size() != b.size()) return false;
-
- for (const auto& record_in_a : a)
- {
- bool ok = false;
- for (const auto& record_in_b : b)
- {
- if (record_in_a == record_in_b)
- {
- ok = true;
- break;
- }
- }
- if (!ok) return false;
- }
-
- return true;
- }
-} // anonymous namespace
-
namespace cryptonote
{
//---------------------------------------------------------------------------
@@ -114,7 +84,10 @@ namespace cryptonote
return check_block(height, h, ignored);
}
//---------------------------------------------------------------------------
- //FIXME: is this the desired behavior?
+ // this basically says if the blockchain is smaller than the first
+ // checkpoint then alternate blocks are allowed. Alternatively, if the
+ // last checkpoint *before* the end of the current chain is also before
+ // the block to be added, then this is fine.
bool checkpoints::is_alternative_block_allowed(uint64_t blockchain_height, uint64_t block_height) const
{
if (0 == block_height)
@@ -155,206 +128,4 @@ namespace cryptonote
}
return true;
}
-
- bool checkpoints::init_default_checkpoints()
- {
- ADD_CHECKPOINT(1, "771fbcd656ec1464d3a02ead5e18644030007a0fc664c0a964d30922821a8148");
- ADD_CHECKPOINT(10, "c0e3b387e47042f72d8ccdca88071ff96bff1ac7cde09ae113dbb7ad3fe92381");
- ADD_CHECKPOINT(100, "ac3e11ca545e57c49fca2b4e8c48c03c23be047c43e471e1394528b1f9f80b2d");
- ADD_CHECKPOINT(1000, "5acfc45acffd2b2e7345caf42fa02308c5793f15ec33946e969e829f40b03876");
- ADD_CHECKPOINT(10000, "c758b7c81f928be3295d45e230646de8b852ec96a821eac3fea4daf3fcac0ca2");
- ADD_CHECKPOINT(22231, "7cb10e29d67e1c069e6e11b17d30b809724255fee2f6868dc14cfc6ed44dfb25");
- ADD_CHECKPOINT(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6");
- ADD_CHECKPOINT(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c");
- ADD_CHECKPOINT(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3");
- ADD_CHECKPOINT(202612, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698");
- ADD_CHECKPOINT(202613, "e2aa337e78df1f98f462b3b1e560c6b914dec47b610698b7b7d1e3e86b6197c2");
- ADD_CHECKPOINT(202614, "c29e3dc37d8da3e72e506e31a213a58771b24450144305bcba9e70fa4d6ea6fb");
- ADD_CHECKPOINT(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063");
- ADD_CHECKPOINT(220000, "9613f455933c00e3e33ac315cc6b455ee8aa0c567163836858c2d9caff111553");
- ADD_CHECKPOINT(230300, "bae7a80c46859db355556e3a9204a337ae8f24309926a1312323fdecf1920e61");
- ADD_CHECKPOINT(230700, "93e631240ceac831da1aebfc5dac8f722c430463024763ebafa888796ceaeedf");
- ADD_CHECKPOINT(231350, "b5add137199b820e1ea26640e5c3e121fd85faa86a1e39cf7e6cc097bdeb1131");
- ADD_CHECKPOINT(232150, "955de8e6b6508af2c24f7334f97beeea651d78e9ade3ab18fec3763be3201aa8");
- ADD_CHECKPOINT(249380, "654fb0a81ce3e5caf7e3264a70f447d4bd07586c08fa50f6638cc54da0a52b2d");
- ADD_CHECKPOINT(460000, "75037a7aed3e765db96c75bcf908f59d690a5f3390baebb9edeafd336a1c4831");
- ADD_CHECKPOINT(500000, "2428f0dbe49796be05ed81b347f53e1f7f44aed0abf641446ec2b94cae066b02");
- ADD_CHECKPOINT(600000, "f5828ebf7d7d1cb61762c4dfe3ccf4ecab2e1aad23e8113668d981713b7a54c5");
- ADD_CHECKPOINT(700000, "12be9b3d210b93f574d2526abb9c1ab2a881b479131fd0d4f7dac93875f503cd");
- ADD_CHECKPOINT(825000, "56503f9ad766774b575be3aff73245e9d159be88132c93d1754764f28da2ff60");
- ADD_CHECKPOINT(900000, "d9958d0e7dcf91a5a7b11de225927bf7efc6eb26240315ce12372be902cc1337");
- ADD_CHECKPOINT(913193, "5292d5d56f6ba4de33a58d9a34d263e2cb3c6fee0aed2286fd4ac7f36d53c85f");
-
- return true;
- }
-
- bool checkpoints::load_checkpoints_from_json(const std::string json_hashfile_fullpath)
- {
- boost::system::error_code errcode;
- if (! (boost::filesystem::exists(json_hashfile_fullpath, errcode)))
- {
- LOG_PRINT_L1("Blockchain checkpoints file not found");
- return true;
- }
-
- LOG_PRINT_L1("Adding checkpoints from blockchain hashfile");
-
- uint64_t prev_max_height = get_max_height();
- LOG_PRINT_L1("Hard-coded max checkpoint height is " << prev_max_height);
- t_hash_json hashes;
- epee::serialization::load_t_from_json_file(hashes, json_hashfile_fullpath);
- for (std::vector<t_hashline>::const_iterator it = hashes.hashlines.begin(); it != hashes.hashlines.end(); )
- {
- uint64_t height;
- height = it->height;
- if (height <= prev_max_height) {
- LOG_PRINT_L1("ignoring checkpoint height " << height);
- } else {
- std::string blockhash = it->hash;
- LOG_PRINT_L1("Adding checkpoint height " << height << ", hash=" << blockhash);
- ADD_CHECKPOINT(height, blockhash);
- }
- ++it;
- }
-
- return true;
- }
-
- bool checkpoints::load_checkpoints_from_dns(bool testnet)
- {
- // All four MoneroPulse domains have DNSSEC on and valid
- static const std::vector<std::string> dns_urls = { "checkpoints.moneropulse.se"
- , "checkpoints.moneropulse.org"
- , "checkpoints.moneropulse.net"
- , "checkpoints.moneropulse.co"
- };
-
- static const std::vector<std::string> testnet_dns_urls = { "testpoints.moneropulse.se"
- , "testpoints.moneropulse.org"
- , "testpoints.moneropulse.net"
- , "testpoints.moneropulse.co"
- };
-
- std::vector<std::vector<std::string> > records;
- records.resize(dns_urls.size());
-
- std::random_device rd;
- std::mt19937 gen(rd());
- std::uniform_int_distribution<int> dis(0, dns_urls.size() - 1);
- size_t first_index = dis(gen);
-
- bool avail, valid;
- size_t cur_index = first_index;
- do
- {
- std::string url;
- if (testnet)
- {
- url = testnet_dns_urls[cur_index];
- }
- else
- {
- url = dns_urls[cur_index];
- }
-
- records[cur_index] = tools::DNSResolver::instance().get_txt_record(url, avail, valid);
- if (!avail)
- {
- records[cur_index].clear();
- LOG_PRINT_L2("DNSSEC not available for checkpoint update at URL: " << url << ", skipping.");
- }
- if (!valid)
- {
- records[cur_index].clear();
- LOG_PRINT_L2("DNSSEC validation failed for checkpoint update at URL: " << url << ", skipping.");
- }
-
- cur_index++;
- if (cur_index == dns_urls.size())
- {
- cur_index = 0;
- }
- records[cur_index].clear();
- } while (cur_index != first_index);
-
- size_t num_valid_records = 0;
-
- for( const auto& record_set : records)
- {
- if (record_set.size() != 0)
- {
- num_valid_records++;
- }
- }
-
- if (num_valid_records < 2)
- {
- LOG_PRINT_L0("WARNING: no two valid MoneroPulse DNS checkpoint records were received");
- return true;
- }
-
- int good_records_index = -1;
- for (size_t i = 0; i < records.size() - 1; ++i)
- {
- if (records[i].size() == 0) continue;
-
- for (size_t j = i + 1; j < records.size(); ++j)
- {
- if (dns_records_match(records[i], records[j]))
- {
- good_records_index = i;
- break;
- }
- }
- if (good_records_index >= 0) break;
- }
-
- if (good_records_index < 0)
- {
- LOG_PRINT_L0("WARNING: no two MoneroPulse DNS checkpoint records matched");
- return true;
- }
-
- for (auto& record : records[good_records_index])
- {
- auto pos = record.find(":");
- if (pos != std::string::npos)
- {
- uint64_t height;
- crypto::hash hash;
-
- // parse the first part as uint64_t,
- // if this fails move on to the next record
- std::stringstream ss(record.substr(0, pos));
- if (!(ss >> height))
- {
- continue;
- }
-
- // parse the second part as crypto::hash,
- // if this fails move on to the next record
- std::string hashStr = record.substr(pos + 1);
- if (!epee::string_tools::parse_tpod_from_hex_string(hashStr, hash))
- {
- continue;
- }
-
- ADD_CHECKPOINT(height, hashStr);
- }
- }
- return true;
- }
-
- bool checkpoints::load_new_checkpoints(const std::string json_hashfile_fullpath, bool testnet, bool dns)
- {
- bool result;
-
- result = load_checkpoints_from_json(json_hashfile_fullpath);
- if (dns)
- {
- result &= load_checkpoints_from_dns(testnet);
- }
-
- return result;
- }
}
diff --git a/src/cryptonote_core/checkpoints.h b/src/cryptonote_core/checkpoints.h
index 71727753e..00a53ec24 100644
--- a/src/cryptonote_core/checkpoints.h
+++ b/src/cryptonote_core/checkpoints.h
@@ -1,21 +1,21 @@
// Copyright (c) 2014-2016, The Monero Project
-//
+//
// All rights reserved.
-//
+//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
-//
+//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
-//
+//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
-//
+//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
-//
+//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
@@ -25,193 +25,30 @@
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
+//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#pragma once
#include <map>
#include <vector>
#include "cryptonote_basic_impl.h"
-#include "misc_log_ex.h"
-#include "storages/portable_storage_template_helper.h" // epee json include
-
-#define ADD_CHECKPOINT(h, hash) CHECK_AND_ASSERT(add_checkpoint(h, hash), false);
-#define JSON_HASH_FILE_NAME "checkpoints.json"
namespace cryptonote
{
- /**
- * @brief A container for blockchain checkpoints
- *
- * A checkpoint is a pre-defined hash for the block at a given height.
- * Some of these are compiled-in, while others can be loaded at runtime
- * either from a json file or via DNS from a checkpoint-hosting server.
- */
class checkpoints
{
public:
-
- /**
- * @brief default constructor
- */
checkpoints();
-
- /**
- * @brief adds a checkpoint to the container
- *
- * @param height the height of the block the checkpoint is for
- * @param hash_str the hash of the block, as a string
- *
- * @return false if parsing the hash fails, or if the height is a duplicate
- * AND the existing checkpoint hash does not match the new one,
- * otherwise returns true
- */
bool add_checkpoint(uint64_t height, const std::string& hash_str);
-
- /**
- * @brief checks if there is a checkpoint in the future
- *
- * This function checks if the height passed is lower than the highest
- * checkpoint.
- *
- * @param height the height to check against
- *
- * @return false if no checkpoints, otherwise returns whether or not
- * the height passed is lower than the highest checkpoint.
- */
bool is_in_checkpoint_zone(uint64_t height) const;
-
- /**
- * @brief checks if the given height and hash agree with the checkpoints
- *
- * This function checks if the given height and hash exist in the
- * checkpoints container. If so, it returns whether or not the passed
- * parameters match the stored values.
- *
- * @param height the height to be checked
- * @param h the hash to be checked
- * @param is_a_checkpoint return-by-reference if there is a checkpoint at the given height
- *
- * @return true if there is no checkpoint at the given height,
- * true if the passed parameters match the stored checkpoint,
- * false otherwise
- */
- bool check_block(uint64_t height, const crypto::hash& h, bool& is_a_checkpoint) const;
-
- /**
- * @overload
- */
bool check_block(uint64_t height, const crypto::hash& h) const;
-
- /**
- * @brief checks if alternate chain blocks should be kept for a given height
- *
- * this basically says if the blockchain is smaller than the first
- * checkpoint then alternate blocks are allowed. Alternatively, if the
- * last checkpoint *before* the end of the current chain is also before
- * the block to be added, then this is fine.
- *
- * @param blockchain_height the current blockchain height
- * @param block_height the height of the block to be added as alternate
- *
- * @return true if alternate blocks are allowed given the parameters,
- * otherwise false
- */
+ bool check_block(uint64_t height, const crypto::hash& h, bool& is_a_checkpoint) const;
bool is_alternative_block_allowed(uint64_t blockchain_height, uint64_t block_height) const;
-
- /**
- * @brief gets the highest checkpoint height
- *
- * @return the height of the highest checkpoint
- */
uint64_t get_max_height() const;
-
- /**
- * @brief gets the checkpoints container
- *
- * @return a const reference to the checkpoints container
- */
const std::map<uint64_t, crypto::hash>& get_points() const;
-
- /**
- * @brief checks if our checkpoints container conflicts with another
- *
- * A conflict refers to a case where both checkpoint sets have a checkpoint
- * for a specific height but their hashes for that height do not match.
- *
- * @param other the other checkpoints instance to check against
- *
- * @return false if any conflict is found, otherwise true
- */
bool check_for_conflicts(const checkpoints& other) const;
-
- /**
- * @brief loads the default main chain checkpoints
- *
- * @return true unless adding a checkpoint fails
- */
- bool init_default_checkpoints();
-
- /**
- * @brief load new checkpoints
- *
- * Loads new checkpoints from the specified json file, as well as
- * (optionally) from DNS.
- *
- * @param json_hashfile_fullpath path to the json checkpoints file
- * @param testnet whether to load testnet checkpoints or mainnet
- * @param dns whether or not to load DNS checkpoints
- *
- * @return true if loading successful and no conflicts
- */
- bool load_new_checkpoints(const std::string json_hashfile_fullpath, bool testnet=false, bool dns=true);
-
- /**
- * @brief load new checkpoints from json
- *
- * @param json_hashfile_fullpath path to the json checkpoints file
- *
- * @return true if loading successful and no conflicts
- */
- bool load_checkpoints_from_json(const std::string json_hashfile_fullpath);
-
- /**
- * @brief load new checkpoints from DNS
- *
- * @param testnet whether to load testnet checkpoints or mainnet
- *
- * @return true if loading successful and no conflicts
- */
- bool load_checkpoints_from_dns(bool testnet = false);
-
private:
-
-
- /**
- * @brief struct for loading a checkpoint from json
- */
- struct t_hashline
- {
- uint64_t height; //!< the height of the checkpoint
- std::string hash; //!< the hash for the checkpoint
- BEGIN_KV_SERIALIZE_MAP()
- KV_SERIALIZE(height)
- KV_SERIALIZE(hash)
- END_KV_SERIALIZE_MAP()
- };
-
- /**
- * @brief struct for loading many checkpoints from json
- */
- struct t_hash_json {
- std::vector<t_hashline> hashlines; //!< the checkpoint lines from the file
- BEGIN_KV_SERIALIZE_MAP()
- KV_SERIALIZE(hashlines)
- END_KV_SERIALIZE_MAP()
- };
-
- std::map<uint64_t, crypto::hash> m_points; //!< the checkpoints container
-
+ std::map<uint64_t, crypto::hash> m_points;
};
}
diff --git a/src/cryptonote_core/checkpoints_create.cpp b/src/cryptonote_core/checkpoints_create.cpp
new file mode 100644
index 000000000..41f2321d5
--- /dev/null
+++ b/src/cryptonote_core/checkpoints_create.cpp
@@ -0,0 +1,280 @@
+// Copyright (c) 2014-2016, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+// conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+// of conditions and the following disclaimer in the documentation and/or other
+// materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+// used to endorse or promote products derived from this software without specific
+// prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#include "checkpoints_create.h"
+#include "common/dns_utils.h"
+#include "include_base_utils.h"
+#include <sstream>
+#include <random>
+#include "storages/portable_storage_template_helper.h" // epee json include
+
+namespace
+{
+ bool dns_records_match(const std::vector<std::string>& a, const std::vector<std::string>& b)
+ {
+ if (a.size() != b.size()) return false;
+
+ for (const auto& record_in_a : a)
+ {
+ bool ok = false;
+ for (const auto& record_in_b : b)
+ {
+ if (record_in_a == record_in_b)
+ {
+ ok = true;
+ break;
+ }
+ }
+ if (!ok) return false;
+ }
+
+ return true;
+ }
+} // anonymous namespace
+
+namespace cryptonote
+{
+
+struct t_hashline
+{
+ uint64_t height;
+ std::string hash;
+ BEGIN_KV_SERIALIZE_MAP()
+ KV_SERIALIZE(height)
+ KV_SERIALIZE(hash)
+ END_KV_SERIALIZE_MAP()
+};
+
+struct t_hash_json {
+ std::vector<t_hashline> hashlines;
+ BEGIN_KV_SERIALIZE_MAP()
+ KV_SERIALIZE(hashlines)
+ END_KV_SERIALIZE_MAP()
+};
+
+bool create_checkpoints(cryptonote::checkpoints& checkpoints)
+{
+ ADD_CHECKPOINT(1, "771fbcd656ec1464d3a02ead5e18644030007a0fc664c0a964d30922821a8148");
+ ADD_CHECKPOINT(10, "c0e3b387e47042f72d8ccdca88071ff96bff1ac7cde09ae113dbb7ad3fe92381");
+ ADD_CHECKPOINT(100, "ac3e11ca545e57c49fca2b4e8c48c03c23be047c43e471e1394528b1f9f80b2d");
+ ADD_CHECKPOINT(1000, "5acfc45acffd2b2e7345caf42fa02308c5793f15ec33946e969e829f40b03876");
+ ADD_CHECKPOINT(10000, "c758b7c81f928be3295d45e230646de8b852ec96a821eac3fea4daf3fcac0ca2");
+ ADD_CHECKPOINT(22231, "7cb10e29d67e1c069e6e11b17d30b809724255fee2f6868dc14cfc6ed44dfb25");
+ ADD_CHECKPOINT(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6");
+ ADD_CHECKPOINT(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c");
+ ADD_CHECKPOINT(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3");
+ ADD_CHECKPOINT(202612, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698");
+ ADD_CHECKPOINT(202613, "e2aa337e78df1f98f462b3b1e560c6b914dec47b610698b7b7d1e3e86b6197c2");
+ ADD_CHECKPOINT(202614, "c29e3dc37d8da3e72e506e31a213a58771b24450144305bcba9e70fa4d6ea6fb");
+ ADD_CHECKPOINT(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063");
+ ADD_CHECKPOINT(220000, "9613f455933c00e3e33ac315cc6b455ee8aa0c567163836858c2d9caff111553");
+ ADD_CHECKPOINT(230300, "bae7a80c46859db355556e3a9204a337ae8f24309926a1312323fdecf1920e61");
+ ADD_CHECKPOINT(230700, "93e631240ceac831da1aebfc5dac8f722c430463024763ebafa888796ceaeedf");
+ ADD_CHECKPOINT(231350, "b5add137199b820e1ea26640e5c3e121fd85faa86a1e39cf7e6cc097bdeb1131");
+ ADD_CHECKPOINT(232150, "955de8e6b6508af2c24f7334f97beeea651d78e9ade3ab18fec3763be3201aa8");
+ ADD_CHECKPOINT(249380, "654fb0a81ce3e5caf7e3264a70f447d4bd07586c08fa50f6638cc54da0a52b2d");
+ ADD_CHECKPOINT(300000, "0c1cd46df6ccff90ec4ab493281f2583c344cd62216c427628990fe9db1bb8b6");
+ ADD_CHECKPOINT(400000, "1b2b0e7a30e59691491529a3d506d1ba3d6052d0f6b52198b7330b28a6f1b6ac");
+ ADD_CHECKPOINT(450000, "4d098b511ca97723e81737c448343cfd4e6dadb3d8a0e757c6e4d595e6e48357");
+ ADD_CHECKPOINT(460000, "75037a7aed3e765db96c75bcf908f59d690a5f3390baebb9edeafd336a1c4831");
+ ADD_CHECKPOINT(500000, "2428f0dbe49796be05ed81b347f53e1f7f44aed0abf641446ec2b94cae066b02");
+ ADD_CHECKPOINT(600000, "f5828ebf7d7d1cb61762c4dfe3ccf4ecab2e1aad23e8113668d981713b7a54c5");
+ ADD_CHECKPOINT(700000, "12be9b3d210b93f574d2526abb9c1ab2a881b479131fd0d4f7dac93875f503cd");
+ ADD_CHECKPOINT(825000, "56503f9ad766774b575be3aff73245e9d159be88132c93d1754764f28da2ff60");
+ ADD_CHECKPOINT(900000, "d9958d0e7dcf91a5a7b11de225927bf7efc6eb26240315ce12372be902cc1337");
+ ADD_CHECKPOINT(913193, "5292d5d56f6ba4de33a58d9a34d263e2cb3c6fee0aed2286fd4ac7f36d53c85f");
+
+ return true;
+}
+
+bool load_checkpoints_from_json(cryptonote::checkpoints& checkpoints, std::string json_hashfile_fullpath)
+{
+ boost::system::error_code errcode;
+ if (! (boost::filesystem::exists(json_hashfile_fullpath, errcode)))
+ {
+ LOG_PRINT_L1("Blockchain checkpoints file not found");
+ return true;
+ }
+
+ LOG_PRINT_L1("Adding checkpoints from blockchain hashfile");
+
+ uint64_t prev_max_height = checkpoints.get_max_height();
+ LOG_PRINT_L1("Hard-coded max checkpoint height is " << prev_max_height);
+ t_hash_json hashes;
+ epee::serialization::load_t_from_json_file(hashes, json_hashfile_fullpath);
+ for (std::vector<t_hashline>::const_iterator it = hashes.hashlines.begin(); it != hashes.hashlines.end(); )
+ {
+ uint64_t height;
+ height = it->height;
+ if (height <= prev_max_height) {
+ LOG_PRINT_L1("ignoring checkpoint height " << height);
+ } else {
+ std::string blockhash = it->hash;
+ LOG_PRINT_L1("Adding checkpoint height " << height << ", hash=" << blockhash);
+ ADD_CHECKPOINT(height, blockhash);
+ }
+ ++it;
+ }
+
+ return true;
+}
+
+bool load_checkpoints_from_dns(cryptonote::checkpoints& checkpoints, bool testnet)
+{
+ // All four MoneroPulse domains have DNSSEC on and valid
+ static const std::vector<std::string> dns_urls = { "checkpoints.moneropulse.se"
+ , "checkpoints.moneropulse.org"
+ , "checkpoints.moneropulse.net"
+ , "checkpoints.moneropulse.co"
+ };
+
+ static const std::vector<std::string> testnet_dns_urls = { "testpoints.moneropulse.se"
+ , "testpoints.moneropulse.org"
+ , "testpoints.moneropulse.net"
+ , "testpoints.moneropulse.co"
+ };
+
+ std::vector<std::vector<std::string> > records;
+ records.resize(dns_urls.size());
+
+ std::random_device rd;
+ std::mt19937 gen(rd());
+ std::uniform_int_distribution<int> dis(0, dns_urls.size() - 1);
+ size_t first_index = dis(gen);
+
+ bool avail, valid;
+ size_t cur_index = first_index;
+ do
+ {
+ std::string url;
+ if (testnet)
+ {
+ url = testnet_dns_urls[cur_index];
+ }
+ else
+ {
+ url = dns_urls[cur_index];
+ }
+
+ records[cur_index] = tools::DNSResolver::instance().get_txt_record(url, avail, valid);
+ if (!avail)
+ {
+ records[cur_index].clear();
+ LOG_PRINT_L2("DNSSEC not available for checkpoint update at URL: " << url << ", skipping.");
+ }
+ if (!valid)
+ {
+ records[cur_index].clear();
+ LOG_PRINT_L2("DNSSEC validation failed for checkpoint update at URL: " << url << ", skipping.");
+ }
+
+ cur_index++;
+ if (cur_index == dns_urls.size())
+ {
+ cur_index = 0;
+ }
+ records[cur_index].clear();
+ } while (cur_index != first_index);
+
+ size_t num_valid_records = 0;
+
+ for( const auto& record_set : records)
+ {
+ if (record_set.size() != 0)
+ {
+ num_valid_records++;
+ }
+ }
+
+ if (num_valid_records < 2)
+ {
+ LOG_PRINT_L0("WARNING: no two valid MoneroPulse DNS checkpoint records were received");
+ return true;
+ }
+
+ int good_records_index = -1;
+ for (size_t i = 0; i < records.size() - 1; ++i)
+ {
+ if (records[i].size() == 0) continue;
+
+ for (size_t j = i + 1; j < records.size(); ++j)
+ {
+ if (dns_records_match(records[i], records[j]))
+ {
+ good_records_index = i;
+ break;
+ }
+ }
+ if (good_records_index >= 0) break;
+ }
+
+ if (good_records_index < 0)
+ {
+ LOG_PRINT_L0("WARNING: no two MoneroPulse DNS checkpoint records matched");
+ return true;
+ }
+
+ for (auto& record : records[good_records_index])
+ {
+ auto pos = record.find(":");
+ if (pos != std::string::npos)
+ {
+ uint64_t height;
+ crypto::hash hash;
+
+ // parse the first part as uint64_t,
+ // if this fails move on to the next record
+ std::stringstream ss(record.substr(0, pos));
+ if (!(ss >> height))
+ {
+ continue;
+ }
+
+ // parse the second part as crypto::hash,
+ // if this fails move on to the next record
+ std::string hashStr = record.substr(pos + 1);
+ if (!epee::string_tools::parse_tpod_from_hex_string(hashStr, hash))
+ {
+ continue;
+ }
+
+ ADD_CHECKPOINT(height, hashStr);
+ }
+ }
+ return true;
+}
+
+bool load_new_checkpoints(cryptonote::checkpoints& checkpoints, std::string json_hashfile_fullpath)
+{
+ // TODO: replace hard-coded url with const string or #define
+ return (load_checkpoints_from_json(checkpoints, json_hashfile_fullpath) && load_checkpoints_from_dns(checkpoints));
+}
+
+} // namespace cryptonote
diff --git a/src/cryptonote_core/checkpoints_create.h b/src/cryptonote_core/checkpoints_create.h
new file mode 100644
index 000000000..83830f8a2
--- /dev/null
+++ b/src/cryptonote_core/checkpoints_create.h
@@ -0,0 +1,48 @@
+// Copyright (c) 2014-2016, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+// conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+// of conditions and the following disclaimer in the documentation and/or other
+// materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+// used to endorse or promote products derived from this software without specific
+// prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#pragma once
+
+#include "checkpoints.h"
+#include "misc_log_ex.h"
+
+#define ADD_CHECKPOINT(h, hash) CHECK_AND_ASSERT(checkpoints.add_checkpoint(h, hash), false);
+#define JSON_HASH_FILE_NAME "checkpoints.json"
+
+namespace cryptonote
+{
+
+ bool create_checkpoints(cryptonote::checkpoints& checkpoints);
+
+ bool load_checkpoints_from_json(cryptonote::checkpoints& checkpoints, std::string json_hashfile_fullpath);
+ bool load_checkpoints_from_dns(cryptonote::checkpoints& checkpoints, bool testnet = false);
+ bool load_new_checkpoints(cryptonote::checkpoints& checkpoints, std::string json_hashfile_fullpath);
+
+} // namespace cryptonote
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index c31be5acf..6f0fe88a4 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -42,7 +42,7 @@ using namespace epee;
#include "cryptonote_format_utils.h"
#include "misc_language.h"
#include <csignal>
-#include "cryptonote_core/checkpoints.h"
+#include "cryptonote_core/checkpoints_create.h"
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"
#if defined(BERKELEY_DB)
@@ -159,7 +159,7 @@ namespace cryptonote
if (!m_testnet && !m_fakechain)
{
cryptonote::checkpoints checkpoints;
- if (!checkpoints.init_default_checkpoints())
+ if (!cryptonote::create_checkpoints(checkpoints))
{
throw std::runtime_error("Failed to initialize checkpoints");
}
@@ -415,7 +415,7 @@ namespace cryptonote
CHECK_AND_ASSERT_MES(update_checkpoints(), false, "One or more checkpoints loaded from json or dns conflicted with existing checkpoints.");
r = m_miner.init(vm, m_testnet);
- CHECK_AND_ASSERT_MES(r, false, "Failed to initialize miner instance");
+ CHECK_AND_ASSERT_MES(r, false, "Failed to initialize blockchain storage");
return load_state_data();
}
@@ -634,6 +634,11 @@ namespace cryptonote
return m_blockchain_storage.get_total_transactions();
}
//-----------------------------------------------------------------------------------------------
+ //bool core::get_outs(uint64_t amount, std::list<crypto::public_key>& pkeys)
+ //{
+ // return m_blockchain_storage.get_outs(amount, pkeys);
+ //}
+ //-----------------------------------------------------------------------------------------------
bool core::add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed)
{
if(m_mempool.have_tx(tx_hash))
@@ -765,6 +770,10 @@ namespace cryptonote
{
m_miner.on_synchronized();
}
+ //bool core::get_backward_blocks_sizes(uint64_t from_height, std::vector<size_t>& sizes, size_t count)
+ //{
+ // return m_blockchain_storage.get_backward_blocks_sizes(from_height, sizes, count);
+ //}
//-----------------------------------------------------------------------------------------------
bool core::add_new_block(const block& b, block_verification_context& bvc)
{
@@ -885,6 +894,10 @@ namespace cryptonote
return m_blockchain_storage.get_block_by_hash(h, blk);
}
//-----------------------------------------------------------------------------------------------
+ //void core::get_all_known_block_ids(std::list<crypto::hash> &main, std::list<crypto::hash> &alt, std::list<crypto::hash> &invalid) {
+ // m_blockchain_storage.get_all_known_block_ids(main, alt, invalid);
+ //}
+ //-----------------------------------------------------------------------------------------------
std::string core::print_pool(bool short_format) const
{
return m_mempool.print_pool(short_format);
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index 30384209f..32f0b2ad4 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -63,739 +63,157 @@ namespace cryptonote
/************************************************************************/
/* */
/************************************************************************/
-
- /**
- * @brief handles core cryptonote functionality
- *
- * This class coordinates cryptonote functionality including, but not
- * limited to, communication among the Blockchain, the transaction pool,
- * any miners, and the network.
- */
class core: public i_miner_handler
{
public:
-
- /**
- * @brief constructor
- *
- * sets member variables into a usable state
- *
- * @param pprotocol pre-constructed protocol object to store and use
- */
core(i_cryptonote_protocol* pprotocol);
-
- /**
- * @copydoc Blockchain::handle_get_objects
- *
- * @note see Blockchain::handle_get_objects()
- * @param context connection context associated with the request
- */
bool handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp, cryptonote_connection_context& context);
-
- /**
- * @brief calls various idle routines
- *
- * @note see miner::on_idle and tx_memory_pool::on_idle
- *
- * @return true
- */
bool on_idle();
-
- /**
- * @brief handles an incoming transaction
- *
- * Parses an incoming transaction and, if nothing is obviously wrong,
- * passes it along to the transaction pool
- *
- * @param tx_blob the tx to handle
- * @param tvc metadata about the transaction's validity
- * @param keeped_by_block if the transaction has been in a block
- * @param relayed whether or not the transaction was relayed to us
- *
- * @return true if the transaction made it to the transaction pool, otherwise false
- */
bool handle_incoming_tx(const blobdata& tx_blob, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
-
- /**
- * @brief handles an incoming block
- *
- * periodic update to checkpoints is triggered here
- * Attempts to add the block to the Blockchain and, on success,
- * optionally updates the miner's block template.
- *
- * @param block_blob the block to be added
- * @param bvc return-by-reference metadata context about the block's validity
- * @param update_miner_blocktemplate whether or not to update the miner's block template
- *
- * @return false if loading new checkpoints fails, or the block is not
- * added, otherwise true
- */
bool handle_incoming_block(const blobdata& block_blob, block_verification_context& bvc, bool update_miner_blocktemplate = true);
-
- /**
- * @copydoc Blockchain::prepare_handle_incoming_blocks
- *
- * @note see Blockchain::prepare_handle_incoming_blocks
- */
bool prepare_handle_incoming_blocks(const std::list<block_complete_entry> &blocks);
-
- /**
- * @copydoc Blockchain::cleanup_handle_incoming_blocks
- *
- * @note see Blockchain::cleanup_handle_incoming_blocks
- */
bool cleanup_handle_incoming_blocks(bool force_sync = false);
-
- /**
- * @brief check the size of a block against the current maximum
- *
- * @param block_blob the block to check
- *
- * @return whether or not the block is too big
- */
- bool check_incoming_block_size(const blobdata& block_blob) const;
- /**
- * @brief get the cryptonote protocol instance
- *
- * @return the instance
- */
+ bool check_incoming_block_size(const blobdata& block_blob) const;
i_cryptonote_protocol* get_protocol(){return m_pprotocol;}
//-------------------- i_miner_handler -----------------------
-
- /**
- * @brief stores and relays a block found by a miner
- *
- * Updates the miner's target block, attempts to store the found
- * block in Blockchain, and -- on success -- relays that block to
- * the network.
- *
- * @param b the block found
- *
- * @return true if the block was added to the main chain, otherwise false
- */
virtual bool handle_block_found( block& b);
-
- /**
- * @copydoc Blockchain::create_block_template
- *
- * @note see Blockchain::create_block_template
- */
virtual bool get_block_template(block& b, const account_public_address& adr, difficulty_type& diffic, uint64_t& height, const blobdata& ex_nonce);
- /**
- * @brief gets the miner instance
- *
- * @return a reference to the miner instance
- */
miner& get_miner(){return m_miner;}
-
- /**
- * @brief gets the miner instance (const)
- *
- * @return a const reference to the miner instance
- */
const miner& get_miner()const{return m_miner;}
-
- /**
- * @brief adds command line options to the given options set
- *
- * As of now, there are no command line options specific to core,
- * so this function simply returns.
- *
- * @param desc return-by-reference the command line options set to add to
- */
static void init_options(boost::program_options::options_description& desc);
-
- /**
- * @brief initializes the core as needed
- *
- * This function initializes the transaction pool, the Blockchain, and
- * a miner instance with parameters given on the command line (or defaults)
- *
- * @param vm command line parameters
- * @param test_options configuration options for testing
- *
- * @return false if one of the init steps fails, otherwise true
- */
bool init(const boost::program_options::variables_map& vm, const test_options *test_options = NULL);
-
- /**
- * @copydoc Blockchain::reset_and_set_genesis_block
- *
- * @note see Blockchain::reset_and_set_genesis_block
- */
bool set_genesis_block(const block& b);
-
- /**
- * @brief performs safe shutdown steps for core and core components
- *
- * Uninitializes the miner instance, transaction pool, and Blockchain
- *
- * if m_fast_exit is set, the call to Blockchain::deinit() is not made.
- *
- * @return true
- */
bool deinit();
-
- /**
- * @brief sets fast exit flag
- *
- * @note see deinit()
- */
static void set_fast_exit();
-
- /**
- * @brief gets the current state of the fast exit flag
- *
- * @return the fast exit flag
- *
- * @note see deinit()
- */
static bool get_fast_exit();
-
- /**
- * @brief sets to drop blocks downloaded (for testing)
- */
void test_drop_download();
-
- /**
- * @brief sets to drop blocks downloaded below a certain height
- *
- * @param height height below which to drop blocks
- */
void test_drop_download_height(uint64_t height);
-
- /**
- * @brief gets whether or not to drop blocks (for testing)
- *
- * @return whether or not to drop blocks
- */
bool get_test_drop_download() const;
-
- /**
- * @brief gets whether or not to drop blocks
- *
- * If the current blockchain height <= our block drop threshold
- * and test drop blocks is set, return true
- *
- * @return see above
- */
bool get_test_drop_download_height() const;
-
- /**
- * @copydoc Blockchain::get_current_blockchain_height
- *
- * @note see Blockchain::get_current_blockchain_height()
- */
uint64_t get_current_blockchain_height() const;
-
- /**
- * @brief get the hash and height of the most recent block
- *
- * @param height return-by-reference height of the block
- * @param top_id return-by-reference hash of the block
- *
- * @return true
- */
- bool get_blockchain_top(uint64_t& height, crypto::hash& top_id) const;
-
- /**
- * @copydoc Blockchain::get_blocks(uint64_t, size_t, std::list<block>&, std::list<transaction>&) const
- *
- * @note see Blockchain::get_blocks(uint64_t, size_t, std::list<block>&, std::list<transaction>&) const
- */
+ bool get_blockchain_top(uint64_t& heeight, crypto::hash& top_id) const;
bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks, std::list<transaction>& txs) const;
-
- /**
- * @copydoc Blockchain::get_blocks(uint64_t, size_t, std::list<block>&) const
- *
- * @note see Blockchain::get_blocks(uint64_t, size_t, std::list<block>&) const
- */
bool get_blocks(uint64_t start_offset, size_t count, std::list<block>& blocks) const;
-
- /**
- * @copydoc Blockchain::get_blocks(const t_ids_container&, t_blocks_container&, t_missed_container&) const
- *
- * @note see Blockchain::get_blocks(const t_ids_container&, t_blocks_container&, t_missed_container&) const
- */
template<class t_ids_container, class t_blocks_container, class t_missed_container>
bool get_blocks(const t_ids_container& block_ids, t_blocks_container& blocks, t_missed_container& missed_bs) const
{
return m_blockchain_storage.get_blocks(block_ids, blocks, missed_bs);
}
-
- /**
- * @copydoc Blockchain::get_block_id_by_height
- *
- * @note see Blockchain::get_block_id_by_height
- */
crypto::hash get_block_id_by_height(uint64_t height) const;
-
- /**
- * @copydoc Blockchain::get_transactions
- *
- * @note see Blockchain::get_transactions
- */
bool get_transactions(const std::vector<crypto::hash>& txs_ids, std::list<transaction>& txs, std::list<crypto::hash>& missed_txs) const;
-
- /**
- * @copydoc Blockchain::get_block_by_hash
- *
- * @note see Blockchain::get_block_by_hash
- */
bool get_block_by_hash(const crypto::hash &h, block &blk) const;
+ //void get_all_known_block_ids(std::list<crypto::hash> &main, std::list<crypto::hash> &alt, std::list<crypto::hash> &invalid);
- /**
- * @copydoc Blockchain::get_alternative_blocks
- *
- * @note see Blockchain::get_alternative_blocks(std::list<block>&) const
- */
bool get_alternative_blocks(std::list<block>& blocks) const;
-
- /**
- * @copydoc Blockchain::get_alternative_blocks_count
- *
- * @note see Blockchain::get_alternative_blocks_count() const
- */
size_t get_alternative_blocks_count() const;
- /**
- * @brief set the pointer to the cryptonote protocol object to use
- *
- * @param pprotocol the pointer to set ours as
- */
void set_cryptonote_protocol(i_cryptonote_protocol* pprotocol);
-
- /**
- * @copydoc Blockchain::set_checkpoints
- *
- * @note see Blockchain::set_checkpoints()
- */
void set_checkpoints(checkpoints&& chk_pts);
-
- /**
- * @brief set the file path to read from when loading checkpoints
- *
- * @param path the path to set ours as
- */
void set_checkpoints_file_path(const std::string& path);
-
- /**
- * @brief set whether or not we enforce DNS checkpoints
- *
- * @param enforce_dns enforce DNS checkpoints or not
- */
void set_enforce_dns_checkpoints(bool enforce_dns);
- /**
- * @copydoc tx_memory_pool::get_transactions
- *
- * @note see tx_memory_pool::get_transactions
- */
bool get_pool_transactions(std::list<transaction>& txs) const;
-
- /**
- * @copydoc tx_memory_pool::get_pool_transactions_and_spent_keys_info
- *
- * @note see tx_memory_pool::get_pool_transactions_and_spent_keys_info
- */
bool get_pool_transactions_and_spent_keys_info(std::vector<tx_info>& tx_infos, std::vector<spent_key_image_info>& key_image_infos) const;
-
- /**
- * @copydoc tx_memory_pool::get_transactions_count
- *
- * @note see tx_memory_pool::get_transactions_count
- */
size_t get_pool_transactions_count() const;
-
- /**
- * @copydoc Blockchain::get_total_transactions
- *
- * @note see Blockchain::get_total_transactions
- */
size_t get_blockchain_total_transactions() const;
-
- /**
- * @copydoc Blockchain::have_block
- *
- * @note see Blockchain::have_block
- */
+ //bool get_outs(uint64_t amount, std::list<crypto::public_key>& pkeys);
bool have_block(const crypto::hash& id) const;
-
- /**
- * @copydoc Blockchain::get_short_chain_history
- *
- * @note see Blockchain::get_short_chain_history
- */
bool get_short_chain_history(std::list<crypto::hash>& ids) const;
-
- /**
- * @copydoc Blockchain::find_blockchain_supplement(const std::list<crypto::hash>&, NOTIFY_RESPONSE_CHAIN_ENTRY::request&) const
- *
- * @note see Blockchain::find_blockchain_supplement(const std::list<crypto::hash>&, NOTIFY_RESPONSE_CHAIN_ENTRY::request&) const
- */
bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp) const;
-
- /**
- * @copydoc Blockchain::find_blockchain_supplement(const uint64_t, const std::list<crypto::hash>&, std::list<std::pair<block, std::list<transaction> > >&, uint64_t&, uint64_t&, size_t) const
- *
- * @note see Blockchain::find_blockchain_supplement(const uint64_t, const std::list<crypto::hash>&, std::list<std::pair<block, std::list<transaction> > >&, uint64_t&, uint64_t&, size_t) const
- */
bool find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count) const;
-
- /**
- * @brief gets some stats about the daemon
- *
- * @param st_inf return-by-reference container for the stats requested
- *
- * @return true
- */
bool get_stat_info(core_stat_info& st_inf) const;
-
- /**
- * @copydoc Blockchain::get_tx_outputs_gindexs
- *
- * @note see Blockchain::get_tx_outputs_gindexs
- */
+ //bool get_backward_blocks_sizes(uint64_t from_height, std::vector<size_t>& sizes, size_t count);
bool get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs) const;
-
- /**
- * @copydoc Blockchain::get_tail_id
- *
- * @note see Blockchain::get_tail_id
- */
crypto::hash get_tail_id() const;
-
- /**
- * @copydoc Blockchain::get_random_outs_for_amounts
- *
- * @note see Blockchain::get_random_outs_for_amounts
- */
bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res) const;
-
-
- /**
- * @copydoc miner::pause
- *
- * @note see miner::pause
- */
void pause_mine();
-
- /**
- * @copydoc miner::resume
- *
- * @note see miner::resume
- */
void resume_mine();
-
#if BLOCKCHAIN_DB == DB_LMDB
- /**
- * @brief gets the Blockchain instance
- *
- * @return a reference to the Blockchain instance
- */
Blockchain& get_blockchain_storage(){return m_blockchain_storage;}
-
- /**
- * @brief gets the Blockchain instance (const)
- *
- * @return a const reference to the Blockchain instance
- */
const Blockchain& get_blockchain_storage()const{return m_blockchain_storage;}
#else
blockchain_storage& get_blockchain_storage(){return m_blockchain_storage;}
const blockchain_storage& get_blockchain_storage()const{return m_blockchain_storage;}
#endif
-
- /**
- * @copydoc Blockchain::print_blockchain
- *
- * @note see Blockchain::print_blockchain
- */
+ //debug functions
void print_blockchain(uint64_t start_index, uint64_t end_index) const;
-
- /**
- * @copydoc Blockchain::print_blockchain_index
- *
- * @note see Blockchain::print_blockchain_index
- */
void print_blockchain_index() const;
-
- /**
- * @copydoc tx_memory_pool::print_pool
- *
- * @note see tx_memory_pool::print_pool
- */
std::string print_pool(bool short_format) const;
-
- /**
- * @copydoc Blockchain::print_blockchain_outs
- *
- * @note see Blockchain::print_blockchain_outs
- */
void print_blockchain_outs(const std::string& file);
-
- /**
- * @copydoc miner::on_synchronized
- *
- * @note see miner::on_synchronized
- */
void on_synchronized();
- /**
- * @brief sets the target blockchain height
- *
- * @param target_blockchain_height the height to set
- */
void set_target_blockchain_height(uint64_t target_blockchain_height);
-
- /**
- * @brief gets the target blockchain height
- *
- * @param target_blockchain_height the target height
- */
uint64_t get_target_blockchain_height() const;
- /**
- * @brief tells the Blockchain to update its checkpoints
- *
- * This function will check if enough time has passed since the last
- * time checkpoints were updated and tell the Blockchain to update
- * its checkpoints if it is time. If updating checkpoints fails,
- * the daemon is told to shut down.
- *
- * @note see Blockchain::update_checkpoints()
- */
bool update_checkpoints();
- /**
- * @brief tells the daemon to wind down operations and stop running
- *
- * Currently this function raises SIGTERM, allowing the installed signal
- * handlers to do the actual stopping.
- */
- void graceful_exit();
-
- /**
- * @brief stops the daemon running
- *
- * @note see graceful_exit()
- */
void stop();
- /**
- * @copydoc Blockchain::have_tx_keyimg_as_spent
- *
- * @note see Blockchain::have_tx_keyimg_as_spent
- */
bool is_key_image_spent(const crypto::key_image& key_im) const;
-
- /**
- * @brief check if multiple key images are spent
- *
- * plural version of is_key_image_spent()
- *
- * @param key_im list of key images to check
- * @param spent return-by-reference result for each image checked
- *
- * @return true
- */
bool are_key_images_spent(const std::vector<crypto::key_image>& key_im, std::vector<bool> &spent) const;
private:
-
- /**
- * @copydoc add_new_tx(const transaction&, tx_verification_context&, bool)
- *
- * @param tx_hash the transaction's hash
- * @param tx_prefix_hash the transaction prefix' hash
- * @param blob_size the size of the transaction
- * @param relayed whether or not the transaction was relayed to us
- *
- */
bool add_new_tx(const transaction& tx, const crypto::hash& tx_hash, const crypto::hash& tx_prefix_hash, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
-
- /**
- * @brief add a new transaction to the transaction pool
- *
- * Adds a new transaction to the transaction pool.
- *
- * @param tx the transaction to add
- * @param tvc return-by-reference metadata about the transaction's verification process
- * @param keeped_by_block whether or not the transaction has been in a block
- * @param relayed whether or not the transaction was relayed to us
- *
- * @return true if the transaction is already in the transaction pool,
- * is already in a block on the Blockchain, or is successfully added
- * to the transaction pool
- */
bool add_new_tx(const transaction& tx, tx_verification_context& tvc, bool keeped_by_block, bool relayed);
-
- /**
- * @copydoc Blockchain::add_new_block
- *
- * @note see Blockchain::add_new_block
- */
bool add_new_block(const block& b, block_verification_context& bvc);
-
- /**
- * @brief load any core state stored on disk
- *
- * currently does nothing, but may have state to load in the future.
- *
- * @return true
- */
bool load_state_data();
-
- /**
- * @copydoc parse_tx_from_blob(transaction&, crypto::hash&, crypto::hash&, const blobdata&) const
- *
- * @note see parse_tx_from_blob(transaction&, crypto::hash&, crypto::hash&, const blobdata&) const
- */
bool parse_tx_from_blob(transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash, const blobdata& blob) const;
- /**
- * @brief check a transaction's syntax
- *
- * For now this does nothing, but it may check something about the tx
- * in the future.
- *
- * @param tx the transaction to check
- *
- * @return true
- */
bool check_tx_syntax(const transaction& tx) const;
-
- /**
- * @brief validates some simple properties of a transaction
- *
- * Currently checks: tx has inputs,
- * tx inputs all of supported type(s),
- * tx outputs valid (type, key, amount),
- * input and output total amounts don't overflow,
- * output amount <= input amount,
- * tx not too large,
- * each input has a different key image.
- *
- * @param tx the transaction to check
- * @param keeped_by_block if the transaction has been in a block
- *
- * @return true if all the checks pass, otherwise false
- */
+ //check correct values, amounts and all lightweight checks not related with database
bool check_tx_semantic(const transaction& tx, bool keeped_by_block) const;
+ //check if tx already in memory pool or in main blockchain
- /**
- * @copydoc miner::on_block_chain_update
- *
- * @note see miner::on_block_chain_update
- *
- * @return true
- */
+ bool check_tx_ring_signature(const txin_to_key& tx, const crypto::hash& tx_prefix_hash, const std::vector<crypto::signature>& sig) const;
+ bool is_tx_spendtime_unlocked(uint64_t unlock_time) const;
bool update_miner_block_template();
-
- /**
- * @brief act on a set of command line options given
- *
- * @param vm the command line options
- *
- * @return true
- */
bool handle_command_line(const boost::program_options::variables_map& vm);
-
- /**
- * @brief verify that each input key image in a transaction is unique
- *
- * @param tx the transaction to check
- *
- * @return false if any key image is repeated, otherwise true
- */
+ bool on_update_blocktemplate_interval();
bool check_tx_inputs_keyimages_diff(const transaction& tx) const;
-
- /**
- * @brief checks HardFork status and prints messages about it
- *
- * Checks the status of HardFork and logs/prints if an update to
- * the daemon is necessary.
- *
- * @note see Blockchain::get_hard_fork_state and HardFork::State
- *
- * @return true
- */
+ void graceful_exit();
bool check_fork_time();
-
- /**
- * @brief attempts to relay any transactions in the mempool which need it
- *
- * @return true
- */
bool relay_txpool_transactions();
-
- /**
- * @brief locks a file in the BlockchainDB directory
- *
- * @param path the directory in which to place the file
- *
- * @return true if lock acquired successfully, otherwise false
- */
bool lock_db_directory(const boost::filesystem::path &path);
-
- /**
- * @brief unlocks the db directory
- *
- * @note see lock_db_directory()
- *
- * @return true
- */
bool unlock_db_directory();
- static std::atomic<bool> m_fast_exit; //!< whether or not to deinit Blockchain on exit
-
- bool m_test_drop_download = true; //!< whether or not to drop incoming blocks (for testing)
+ static std::atomic<bool> m_fast_exit;
+ bool m_test_drop_download = true;
+ uint64_t m_test_drop_download_height = 0;
- uint64_t m_test_drop_download_height = 0; //!< height under which to drop incoming blocks, if doing so
-
- tx_memory_pool m_mempool; //!< transaction pool instance
+ tx_memory_pool m_mempool;
#if BLOCKCHAIN_DB == DB_LMDB
- Blockchain m_blockchain_storage; //!< Blockchain instance
+ Blockchain m_blockchain_storage;
#else
blockchain_storage m_blockchain_storage;
#endif
-
- i_cryptonote_protocol* m_pprotocol; //!< cryptonote protocol instance
-
- epee::critical_section m_incoming_tx_lock; //!< incoming transaction lock
-
+ i_cryptonote_protocol* m_pprotocol;
+ epee::critical_section m_incoming_tx_lock;
//m_miner and m_miner_addres are probably temporary here
- miner m_miner; //!< miner instance
- account_public_address m_miner_address; //!< address to mine to (for miner instance)
-
- std::string m_config_folder; //!< folder to look in for configs and other files
-
- cryptonote_protocol_stub m_protocol_stub; //!< cryptonote protocol stub instance
-
- epee::math_helper::once_a_time_seconds<60*60*12, false> m_store_blockchain_interval; //!< interval for manual storing of Blockchain, if enabled
- epee::math_helper::once_a_time_seconds<60*60*2, false> m_fork_moaner; //!< interval for checking HardFork status
+ miner m_miner;
+ account_public_address m_miner_address;
+ std::string m_config_folder;
+ cryptonote_protocol_stub m_protocol_stub;
+ epee::math_helper::once_a_time_seconds<60*60*12, false> m_store_blockchain_interval;
+ epee::math_helper::once_a_time_seconds<60*60*2, true> m_fork_moaner;
epee::math_helper::once_a_time_seconds<60*2, false> m_txpool_auto_relayer; //!< interval for checking re-relaying txpool transactions
-
friend class tx_validate_inputs;
- std::atomic<bool> m_starter_message_showed; //!< has the "daemon will sync now" message been shown?
-
- uint64_t m_target_blockchain_height; //!< blockchain height target
-
- bool m_testnet; //!< are we on testnet?
+ std::atomic<bool> m_starter_message_showed;
- bool m_fakechain; //!< are we using a fake chain (for testing purposes)?
+ uint64_t m_target_blockchain_height;
- std::string m_checkpoints_path; //!< path to json checkpoints file
- time_t m_last_dns_checkpoints_update; //!< time when dns checkpoints were last updated
- time_t m_last_json_checkpoints_update; //!< time when json checkpoints were last updated
+ bool m_testnet;
+ bool m_fakechain;
+ std::string m_checkpoints_path;
+ time_t m_last_dns_checkpoints_update;
+ time_t m_last_json_checkpoints_update;
- std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once
+ std::atomic_flag m_checkpoints_updating;
- boost::interprocess::file_lock db_lock; //!< a lock object for a file lock in the db directory
+ boost::interprocess::file_lock db_lock;
};
}
diff --git a/src/cryptonote_core/difficulty.cpp b/src/cryptonote_core/difficulty.cpp
index 54da77392..236e84481 100644
--- a/src/cryptonote_core/difficulty.cpp
+++ b/src/cryptonote_core/difficulty.cpp
@@ -116,8 +116,8 @@ namespace cryptonote {
return !carry;
}
- difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds) {
-
+ difficulty_type next_difficulty(vector<uint64_t> timestamps, vector<difficulty_type> cumulative_difficulties, size_t target_seconds) {
+ //cutoff DIFFICULTY_LAG
if(timestamps.size() > DIFFICULTY_WINDOW)
{
timestamps.resize(DIFFICULTY_WINDOW);
@@ -151,8 +151,6 @@ namespace cryptonote {
assert(total_work > 0);
uint64_t low, high;
mul(total_work, target_seconds, low, high);
- // blockchain errors "difficulty overhead" if this function returns zero.
- // TODO: consider throwing an exception instead
if (high != 0 || low + time_span - 1 < low) {
return 0;
}
diff --git a/src/cryptonote_core/difficulty.h b/src/cryptonote_core/difficulty.h
index 910f97035..d49c2f3b8 100644
--- a/src/cryptonote_core/difficulty.h
+++ b/src/cryptonote_core/difficulty.h
@@ -39,18 +39,6 @@ namespace cryptonote
{
typedef std::uint64_t difficulty_type;
- /**
- * @brief checks if a hash fits the given difficulty
- *
- * The hash passes if (hash * difficulty) < 2^192.
- * Phrased differently, if (hash * difficulty) fits without overflow into
- * the least significant 192 bits of the 256 bit multiplication result.
- *
- * @param hash the hash to check
- * @param difficulty the difficulty to check against
- *
- * @return true if valid, else false
- */
bool check_hash(const crypto::hash &hash, difficulty_type difficulty);
difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 21:02:15 +0000