diff options
Diffstat (limited to 'src/cryptonote_core/blockchain.cpp')
-rw-r--r-- | src/cryptonote_core/blockchain.cpp | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 0713274a6..5f8db45ad 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -97,8 +97,8 @@ static const struct { // version 4 starts from block 1220516, which is on or around the 5th of January, 2017. Fork time finalised on 2016-09-18. { 4, 1220516, 0, 1483574400 }, - // version 5 starts from block 1406997, which is on or around the 20th of September, 2017. Fork time finalised on 2016-09-18. - { 5, 1406997, 0, 1505865600 }, + // version 5 starts from block 1288616, which is on or around the 15th of april, 2017. Fork time finalised on 2016-03-14. + { 5, 1288616, 0, 1489520158 }, }; static const uint64_t mainnet_hard_fork_version_1_till = 1009826; @@ -2426,7 +2426,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc, { size_t n_unmixable = 0, n_mixable = 0; size_t mixin = std::numeric_limits<size_t>::max(); - const size_t min_mixin = hf_version >= 5 ? 4 : 2; + const size_t min_mixin = hf_version >= HF_VERSION_MIN_MIXIN_4 ? 4 : 2; for (const auto& txin : tx.vin) { // non txin_to_key inputs will be rejected below @@ -2479,7 +2479,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc, tvc.m_verifivation_failed = true; return false; } - const size_t min_tx_version = (n_unmixable > 0 ? 1 : (hf_version >= 5) ? 2 : 1); + const size_t min_tx_version = (n_unmixable > 0 ? 1 : (hf_version >= HF_VERSION_ENFORCE_RCT) ? 2 : 1); if (tx.version < min_tx_version) { MERROR_VER("transaction version " << (unsigned)tx.version << " is lower than min accepted version " << min_tx_version); @@ -2809,15 +2809,19 @@ static uint64_t get_fee_quantization_mask() } //------------------------------------------------------------------ -uint64_t Blockchain::get_dynamic_per_kb_fee(uint64_t block_reward, size_t median_block_size) +uint64_t Blockchain::get_dynamic_per_kb_fee(uint64_t block_reward, size_t median_block_size, uint8_t version) { - if (median_block_size < CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2) - median_block_size = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2; + const uint64_t min_block_size = get_min_block_size(version); + const uint64_t fee_per_kb_base = version >= 5 ? DYNAMIC_FEE_PER_KB_BASE_FEE_V5 : DYNAMIC_FEE_PER_KB_BASE_FEE; - uint64_t unscaled_fee_per_kb = (DYNAMIC_FEE_PER_KB_BASE_FEE * CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2 / median_block_size); + if (median_block_size < min_block_size) + median_block_size = min_block_size; + + uint64_t unscaled_fee_per_kb = (fee_per_kb_base * min_block_size / median_block_size); uint64_t hi, lo = mul128(unscaled_fee_per_kb, block_reward, &hi); static_assert(DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD % 1000000 == 0, "DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD must be divisible by 1000000"); static_assert(DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD / 1000000 <= std::numeric_limits<uint32_t>::max(), "DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD is too large"); + // divide in two steps, since the divisor must be 32 bits, but DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD isn't div128_32(hi, lo, DYNAMIC_FEE_PER_KB_BASE_BLOCK_REWARD / 1000000, &hi, &lo); div128_32(hi, lo, 1000000, &hi, &lo); @@ -2848,7 +2852,7 @@ bool Blockchain::check_fee(size_t blob_size, uint64_t fee) const uint64_t base_reward; if (!get_block_reward(median, 1, already_generated_coins, base_reward, version)) return false; - fee_per_kb = get_dynamic_per_kb_fee(base_reward, median); + fee_per_kb = get_dynamic_per_kb_fee(base_reward, median, version); } MDEBUG("Using " << print_money(fee) << "/kB fee"); @@ -2875,14 +2879,15 @@ uint64_t Blockchain::get_dynamic_per_kb_fee_estimate(uint64_t grace_blocks) cons if (grace_blocks >= CRYPTONOTE_REWARD_BLOCKS_WINDOW) grace_blocks = CRYPTONOTE_REWARD_BLOCKS_WINDOW - 1; + const uint64_t min_block_size = get_min_block_size(version); std::vector<size_t> sz; get_last_n_blocks_sizes(sz, CRYPTONOTE_REWARD_BLOCKS_WINDOW - grace_blocks); for (size_t i = 0; i < grace_blocks; ++i) - sz.push_back(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2); + sz.push_back(min_block_size); uint64_t median = epee::misc_utils::median(sz); - if(median <= CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2) - median = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2; + if(median <= min_block_size) + median = min_block_size; uint64_t already_generated_coins = m_db->height() ? m_db->get_block_already_generated_coins(m_db->height() - 1) : 0; uint64_t base_reward; @@ -2892,7 +2897,7 @@ uint64_t Blockchain::get_dynamic_per_kb_fee_estimate(uint64_t grace_blocks) cons base_reward = BLOCK_REWARD_OVERESTIMATE; } - uint64_t fee = get_dynamic_per_kb_fee(base_reward, median); + uint64_t fee = get_dynamic_per_kb_fee(base_reward, median, version); MDEBUG("Estimating " << grace_blocks << "-block fee at " << print_money(fee) << "/kB"); return fee; } @@ -3411,7 +3416,7 @@ leave: //------------------------------------------------------------------ bool Blockchain::update_next_cumulative_size_limit() { - uint64_t full_reward_zone = get_current_hard_fork_version() < 2 ? CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V1 : CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2; + uint64_t full_reward_zone = get_min_block_size(get_current_hard_fork_version()); LOG_PRINT_L3("Blockchain::" << __func__); std::vector<size_t> sz; |