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More changes for 2-min blocks 

Use the correct block time for realtime fuzz on locktime
Use the correct block time to calculate next_difficulty on alt chains (will not work as-is with voting)
Lock unit tests to original block time for now
This commit is contained in:
Javier Smooth 2015-11-13 00:24:47 -08:00
parent 4fea1a5fe7
commit baf101ef4a
7 changed files with 18 additions and 17 deletions
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3
src/cryptonote_config.h
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@ -75,11 +75,12 @@
#define DIFFICULTY_BLOCKS_COUNT DIFFICULTY_WINDOW + DIFFICULTY_LAG #define DIFFICULTY_BLOCKS_COUNT DIFFICULTY_WINDOW + DIFFICULTY_LAG
#define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS_V1 DIFFICULTY_TARGET_V1 * CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS
#define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS DIFFICULTY_TARGET * CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS #define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS DIFFICULTY_TARGET * CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS
#define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS 1 #define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS 1
#define DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN DIFFICULTY_TARGET //just alias #define DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN DIFFICULTY_TARGET_V1 //just alias; used by tests
#define BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT 10000 //by default, blocks ids count in synchronizing #define BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT 10000 //by default, blocks ids count in synchronizing

11
src/cryptonote_core/blockchain.cpp
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@ -674,8 +674,8 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
m_timestamps = timestamps; m_timestamps = timestamps;
m_difficulties = difficulties; m_difficulties = difficulties;
} }
size_t target = get_current_hard_fork_version() < 2 ? DIFFICULTY_TARGET_V1 : DIFFICULTY_TARGET;
return next_difficulty(timestamps, difficulties); return next_difficulty(timestamps, difficulties, target);
} }
//------------------------------------------------------------------ //------------------------------------------------------------------
// This function removes blocks from the blockchain until it gets to the // This function removes blocks from the blockchain until it gets to the
@ -865,8 +865,11 @@ difficulty_type Blockchain::get_next_difficulty_for_alternative_chain(const std:
} }
} }
// FIXME: This will fail if fork activation heights are subject to voting
size_t target = get_ideal_hard_fork_version(bei.height) < 2 ? DIFFICULTY_TARGET_V1 : DIFFICULTY_TARGET;
// calculate the difficulty target for the block and return it // calculate the difficulty target for the block and return it
return next_difficulty(timestamps, cumulative_difficulties); return next_difficulty(timestamps, cumulative_difficulties, target);
} }
//------------------------------------------------------------------ //------------------------------------------------------------------
// This function does a sanity check on basic things that all miner // This function does a sanity check on basic things that all miner
@ -2194,7 +2197,7 @@ bool Blockchain::is_tx_spendtime_unlocked(uint64_t unlock_time) const
{ {
//interpret as time //interpret as time
uint64_t current_time = static_cast<uint64_t>(time(NULL)); uint64_t current_time = static_cast<uint64_t>(time(NULL));
if(current_time + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS >= unlock_time) if(current_time + (get_current_hard_fork_version() < 2 ? CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS_V1 : CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS) >= unlock_time)
return true; return true;
else else
return false; return false;

2
src/cryptonote_core/blockchain.h
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@ -160,6 +160,8 @@ namespace cryptonote
HardFork::State get_hard_fork_state() const; HardFork::State get_hard_fork_state() const;
uint8_t get_current_hard_fork_version() const { return m_hardfork->get_current_version(); } uint8_t get_current_hard_fork_version() const { return m_hardfork->get_current_version(); }
uint8_t get_ideal_hard_fork_version() const { return m_hardfork->get_ideal_version(); } uint8_t get_ideal_hard_fork_version() const { return m_hardfork->get_ideal_version(); }
uint8_t get_ideal_hard_fork_version(uint64_t height) const { return m_hardfork->get_ideal_version(height); }
bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const; bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const;
bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const; bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;

6
src/cryptonote_core/blockchain_storage.cpp
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@ -430,7 +430,7 @@ difficulty_type blockchain_storage::get_difficulty_for_next_block() const
timestamps.push_back(m_blocks[offset].bl.timestamp); timestamps.push_back(m_blocks[offset].bl.timestamp);
commulative_difficulties.push_back(m_blocks[offset].cumulative_difficulty); commulative_difficulties.push_back(m_blocks[offset].cumulative_difficulty);
} }
return next_difficulty(timestamps, commulative_difficulties); return next_difficulty(timestamps, commulative_difficulties,DIFFICULTY_TARGET_V1);
} }
//------------------------------------------------------------------ //------------------------------------------------------------------
bool blockchain_storage::rollback_blockchain_switching(std::list<block>& original_chain, size_t rollback_height) bool blockchain_storage::rollback_blockchain_switching(std::list<block>& original_chain, size_t rollback_height)
@ -571,7 +571,7 @@ difficulty_type blockchain_storage::get_next_difficulty_for_alternative_chain(co
break; break;
} }
} }
return next_difficulty(timestamps, commulative_difficulties); return next_difficulty(timestamps, commulative_difficulties,DIFFICULTY_TARGET_V1);
} }
//------------------------------------------------------------------ //------------------------------------------------------------------
bool blockchain_storage::prevalidate_miner_transaction(const block& b, uint64_t height) const bool blockchain_storage::prevalidate_miner_transaction(const block& b, uint64_t height) const
@ -1505,7 +1505,7 @@ bool blockchain_storage::is_tx_spendtime_unlocked(uint64_t unlock_time) const
{ {
//interpret as time //interpret as time
uint64_t current_time = static_cast<uint64_t>(time(NULL)); uint64_t current_time = static_cast<uint64_t>(time(NULL));
if(current_time + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS >= unlock_time) if(current_time + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS_V1 >= unlock_time)
return true; return true;
else else
return false; return false;

4
src/cryptonote_core/difficulty.cpp
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@ -157,8 +157,4 @@ namespace cryptonote {
return (low + time_span - 1) / time_span; return (low + time_span - 1) / time_span;
} }
difficulty_type next_difficulty(vector<uint64_t> timestamps, vector<difficulty_type> cumulative_difficulties)
{
return next_difficulty(std::move(timestamps), std::move(cumulative_difficulties), DIFFICULTY_TARGET);
}
} }

1
src/cryptonote_core/difficulty.h
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@ -40,6 +40,5 @@ namespace cryptonote
typedef std::uint64_t difficulty_type; typedef std::uint64_t difficulty_type;
bool check_hash(const crypto::hash &hash, difficulty_type difficulty); 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);
difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds); difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds);
} }

8
tests/core_tests/block_validation.cpp
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@ -45,7 +45,7 @@ namespace
for (size_t i = 0; i < new_block_count; ++i) for (size_t i = 0; i < new_block_count; ++i)
{ {
block blk_next; block blk_next;
difficulty_type diffic = next_difficulty(timestamps, cummulative_difficulties); difficulty_type diffic = next_difficulty(timestamps, cummulative_difficulties,DIFFICULTY_TARGET_V1);
if (!generator.construct_block_manually(blk_next, blk_prev, miner_account, if (!generator.construct_block_manually(blk_next, blk_prev, miner_account,
test_generator::bf_timestamp | test_generator::bf_diffic, 0, 0, blk_prev.timestamp, crypto::hash(), diffic)) test_generator::bf_timestamp | test_generator::bf_diffic, 0, 0, blk_prev.timestamp, crypto::hash(), diffic))
return false; return false;
@ -175,7 +175,7 @@ bool gen_block_invalid_nonce::generate(std::vector<test_event_entry>& events) co
return false; return false;
// Create invalid nonce // Create invalid nonce
difficulty_type diffic = next_difficulty(timestamps, commulative_difficulties); difficulty_type diffic = next_difficulty(timestamps, commulative_difficulties,DIFFICULTY_TARGET_V1);
assert(1 < diffic); assert(1 < diffic);
const block& blk_last = boost::get<block>(events.back()); const block& blk_last = boost::get<block>(events.back());
uint64_t timestamp = blk_last.timestamp; uint64_t timestamp = blk_last.timestamp;
@ -570,7 +570,7 @@ bool gen_block_invalid_binary_format::generate(std::vector<test_event_entry>& ev
do do
{ {
blk_last = boost::get<block>(events.back()); blk_last = boost::get<block>(events.back());
diffic = next_difficulty(timestamps, cummulative_difficulties); diffic = next_difficulty(timestamps, cummulative_difficulties,DIFFICULTY_TARGET_V1);
if (!lift_up_difficulty(events, timestamps, cummulative_difficulties, generator, 1, blk_last, miner_account)) if (!lift_up_difficulty(events, timestamps, cummulative_difficulties, generator, 1, blk_last, miner_account))
return false; return false;
std::cout << "Block #" << events.size() << ", difficulty: " << diffic << std::endl; std::cout << "Block #" << events.size() << ", difficulty: " << diffic << std::endl;
@ -585,7 +585,7 @@ bool gen_block_invalid_binary_format::generate(std::vector<test_event_entry>& ev
std::vector<crypto::hash> tx_hashes; std::vector<crypto::hash> tx_hashes;
tx_hashes.push_back(get_transaction_hash(tx_0)); tx_hashes.push_back(get_transaction_hash(tx_0));
size_t txs_size = get_object_blobsize(tx_0); size_t txs_size = get_object_blobsize(tx_0);
diffic = next_difficulty(timestamps, cummulative_difficulties); diffic = next_difficulty(timestamps, cummulative_difficulties,DIFFICULTY_TARGET_V1);
if (!generator.construct_block_manually(blk_test, blk_last, miner_account, if (!generator.construct_block_manually(blk_test, blk_last, miner_account,
test_generator::bf_diffic | test_generator::bf_timestamp | test_generator::bf_tx_hashes, 0, 0, blk_last.timestamp, test_generator::bf_diffic | test_generator::bf_timestamp | test_generator::bf_tx_hashes, 0, 0, blk_last.timestamp,
crypto::hash(), diffic, transaction(), tx_hashes, txs_size)) crypto::hash(), diffic, transaction(), tx_hashes, txs_size))