diff options
| -rw-r--r-- | src/cryptonote_config.h | 1 | ||||
| -rw-r--r-- | src/cryptonote_core/blockchain.cpp | 12 | ||||
| -rw-r--r-- | src/cryptonote_core/cryptonote_format_utils.cpp | 11 | ||||
| -rw-r--r-- | src/cryptonote_core/cryptonote_format_utils.h | 2 |
4 files changed, 22 insertions, 4 deletions
diff --git a/src/cryptonote_config.h b/src/cryptonote_config.h index c6aa064cf..b042088bd 100644 --- a/src/cryptonote_config.h +++ b/src/cryptonote_config.h @@ -118,6 +118,7 @@ namespace config uint64_t const DEFAULT_FEE_ATOMIC_XMR_PER_KB = 500; // Just a placeholder! Change me! uint8_t const FEE_CALCULATION_MAX_RETRIES = 10; uint64_t const DEFAULT_DUST_THRESHOLD = ((uint64_t)10000000000); // pow(10, 10) + uint64_t const BASE_REWARD_CLAMP_THRESHOLD = ((uint64_t)100000000); // pow(10, 8) std::string const P2P_REMOTE_DEBUG_TRUSTED_PUB_KEY = "0000000000000000000000000000000000000000000000000000000000000000"; uint64_t const CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX = 18; diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 3d96f6f5d..b76cce9d1 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -975,6 +975,14 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl return false; } } + else + { + // from hard fork 2, since a miner can claim less than the full block reward, we update the base_reward + // to show the amount of coins that were actually generated, the remainder will be pushed back for later + // emission. This modifies the emission curve very slightly. + CHECK_AND_ASSERT_MES(money_in_use - fee <= base_reward, false, "base reward calculation bug"); + base_reward = money_in_use - fee; + } return true; } //------------------------------------------------------------------ @@ -1093,7 +1101,7 @@ bool Blockchain::create_block_template(block& b, const account_public_address& m block size, so first miner transaction generated with fake amount of money, and with phase we know think we know expected block size */ //make blocks coin-base tx looks close to real coinbase tx to get truthful blob size - bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11); + bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11, m_hardfork->get_current_version()); CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, first chance"); size_t cumulative_size = txs_size + get_object_blobsize(b.miner_tx); #if defined(DEBUG_CREATE_BLOCK_TEMPLATE) @@ -1102,7 +1110,7 @@ bool Blockchain::create_block_template(block& b, const account_public_address& m #endif for (size_t try_count = 0; try_count != 10; ++try_count) { - r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11); + r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11, m_hardfork->get_current_version()); CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, second chance"); size_t coinbase_blob_size = get_object_blobsize(b.miner_tx); diff --git a/src/cryptonote_core/cryptonote_format_utils.cpp b/src/cryptonote_core/cryptonote_format_utils.cpp index adf972283..0d1c6b14f 100644 --- a/src/cryptonote_core/cryptonote_format_utils.cpp +++ b/src/cryptonote_core/cryptonote_format_utils.cpp @@ -105,7 +105,7 @@ namespace cryptonote return true; } //--------------------------------------------------------------- - bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce, size_t max_outs) { + bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce, size_t max_outs, uint8_t hard_fork_version) { tx.vin.clear(); tx.vout.clear(); tx.extra.clear(); @@ -125,6 +125,15 @@ namespace cryptonote LOG_PRINT_L0("Block is too big"); return false; } + + // from hard fork 2, we cut out the low significant digits. This makes the tx smaller, and + // keeps the paid amount almost the same. The unpaid remainder gets pushed back to the + // emission schedule + if (hard_fork_version >= 2) + { + block_reward = block_reward - block_reward % ::config::BASE_REWARD_CLAMP_THRESHOLD; + } + #if defined(DEBUG_CREATE_BLOCK_TEMPLATE) LOG_PRINT_L1("Creating block template: reward " << block_reward << ", fee " << fee) diff --git a/src/cryptonote_core/cryptonote_format_utils.h b/src/cryptonote_core/cryptonote_format_utils.h index 3b1f7ef3d..202919822 100644 --- a/src/cryptonote_core/cryptonote_format_utils.h +++ b/src/cryptonote_core/cryptonote_format_utils.h @@ -44,7 +44,7 @@ namespace cryptonote crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx); bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash); bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx); - bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce = blobdata(), size_t max_outs = 1); + bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce = blobdata(), size_t max_outs = 1, uint8_t hard_fork_version = 1); bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key); bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key); |