cb0b559451
Library code should definitely not ask for console input unless it's clearly an input function. Delegating the user interaction part to the caller means it can now be used by a GUI, or have a decision algorithm better adapted to a particular caller.
359 lines
13 KiB
C++
359 lines
13 KiB
C++
// Copyright (c) 2014-2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include "include_base_utils.h"
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using namespace epee;
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#include "cryptonote_basic_impl.h"
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#include "string_tools.h"
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#include "serialization/binary_utils.h"
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#include "serialization/vector.h"
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#include "cryptonote_format_utils.h"
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#include "cryptonote_config.h"
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#include "misc_language.h"
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#include "common/base58.h"
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#include "crypto/hash.h"
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#include "common/int-util.h"
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#include "common/dns_utils.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "cn"
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namespace cryptonote {
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struct integrated_address {
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account_public_address adr;
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crypto::hash8 payment_id;
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BEGIN_SERIALIZE_OBJECT()
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FIELD(adr)
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FIELD(payment_id)
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END_SERIALIZE()
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BEGIN_KV_SERIALIZE_MAP()
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KV_SERIALIZE(adr)
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KV_SERIALIZE(payment_id)
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END_KV_SERIALIZE_MAP()
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};
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/************************************************************************/
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/* Cryptonote helper functions */
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/************************************************************************/
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//-----------------------------------------------------------------------------------------------
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size_t get_min_block_size(uint8_t version)
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{
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if (version < 2)
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return CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V1;
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if (version < 5)
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return CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V2;
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return CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5;
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}
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//-----------------------------------------------------------------------------------------------
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size_t get_max_block_size()
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{
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return CRYPTONOTE_MAX_BLOCK_SIZE;
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}
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//-----------------------------------------------------------------------------------------------
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size_t get_max_tx_size()
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{
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return CRYPTONOTE_MAX_TX_SIZE;
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}
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//-----------------------------------------------------------------------------------------------
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bool get_block_reward(size_t median_size, size_t current_block_size, uint64_t already_generated_coins, uint64_t &reward, uint8_t version) {
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static_assert(DIFFICULTY_TARGET_V2%60==0&&DIFFICULTY_TARGET_V1%60==0,"difficulty targets must be a multiple of 60");
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const int target = version < 2 ? DIFFICULTY_TARGET_V1 : DIFFICULTY_TARGET_V2;
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const int target_minutes = target / 60;
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const int emission_speed_factor = EMISSION_SPEED_FACTOR_PER_MINUTE - (target_minutes-1);
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uint64_t base_reward = (MONEY_SUPPLY - already_generated_coins) >> emission_speed_factor;
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if (base_reward < FINAL_SUBSIDY_PER_MINUTE*target_minutes)
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{
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base_reward = FINAL_SUBSIDY_PER_MINUTE*target_minutes;
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}
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uint64_t full_reward_zone = get_min_block_size(version);
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//make it soft
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if (median_size < full_reward_zone) {
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median_size = full_reward_zone;
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}
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if (current_block_size <= median_size) {
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reward = base_reward;
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return true;
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}
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if(current_block_size > 2 * median_size) {
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MERROR("Block cumulative size is too big: " << current_block_size << ", expected less than " << 2 * median_size);
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return false;
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}
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assert(median_size < std::numeric_limits<uint32_t>::max());
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assert(current_block_size < std::numeric_limits<uint32_t>::max());
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uint64_t product_hi;
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// BUGFIX: 32-bit saturation bug (e.g. ARM7), the result was being
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// treated as 32-bit by default.
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uint64_t multiplicand = 2 * median_size - current_block_size;
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multiplicand *= current_block_size;
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uint64_t product_lo = mul128(base_reward, multiplicand, &product_hi);
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uint64_t reward_hi;
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uint64_t reward_lo;
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div128_32(product_hi, product_lo, static_cast<uint32_t>(median_size), &reward_hi, &reward_lo);
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div128_32(reward_hi, reward_lo, static_cast<uint32_t>(median_size), &reward_hi, &reward_lo);
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assert(0 == reward_hi);
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assert(reward_lo < base_reward);
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reward = reward_lo;
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return true;
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}
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//------------------------------------------------------------------------------------
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uint8_t get_account_address_checksum(const public_address_outer_blob& bl)
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{
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const unsigned char* pbuf = reinterpret_cast<const unsigned char*>(&bl);
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uint8_t summ = 0;
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for(size_t i = 0; i!= sizeof(public_address_outer_blob)-1; i++)
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summ += pbuf[i];
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return summ;
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}
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//------------------------------------------------------------------------------------
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uint8_t get_account_integrated_address_checksum(const public_integrated_address_outer_blob& bl)
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{
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const unsigned char* pbuf = reinterpret_cast<const unsigned char*>(&bl);
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uint8_t summ = 0;
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for(size_t i = 0; i!= sizeof(public_integrated_address_outer_blob)-1; i++)
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summ += pbuf[i];
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return summ;
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}
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//-----------------------------------------------------------------------
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std::string get_account_address_as_str(
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bool testnet
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, account_public_address const & adr
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)
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{
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uint64_t address_prefix = testnet ?
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config::testnet::CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX : config::CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX;
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return tools::base58::encode_addr(address_prefix, t_serializable_object_to_blob(adr));
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}
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//-----------------------------------------------------------------------
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std::string get_account_integrated_address_as_str(
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bool testnet
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, account_public_address const & adr
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, crypto::hash8 const & payment_id
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)
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{
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uint64_t integrated_address_prefix = testnet ?
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config::testnet::CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX : config::CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX;
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integrated_address iadr = {
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adr, payment_id
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};
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return tools::base58::encode_addr(integrated_address_prefix, t_serializable_object_to_blob(iadr));
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}
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//-----------------------------------------------------------------------
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bool is_coinbase(const transaction& tx)
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{
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if(tx.vin.size() != 1)
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return false;
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if(tx.vin[0].type() != typeid(txin_gen))
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return false;
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return true;
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}
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//-----------------------------------------------------------------------
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bool get_account_integrated_address_from_str(
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account_public_address& adr
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, bool& has_payment_id
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, crypto::hash8& payment_id
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, bool testnet
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, std::string const & str
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)
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{
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uint64_t address_prefix = testnet ?
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config::testnet::CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX : config::CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX;
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uint64_t integrated_address_prefix = testnet ?
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config::testnet::CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX : config::CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX;
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if (2 * sizeof(public_address_outer_blob) != str.size())
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{
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blobdata data;
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uint64_t prefix;
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if (!tools::base58::decode_addr(str, prefix, data))
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{
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LOG_PRINT_L2("Invalid address format");
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return false;
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}
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if (integrated_address_prefix == prefix)
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{
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has_payment_id = true;
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}
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else if (address_prefix == prefix)
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{
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has_payment_id = false;
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}
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else {
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LOG_PRINT_L1("Wrong address prefix: " << prefix << ", expected " << address_prefix << " or " << integrated_address_prefix);
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return false;
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}
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if (has_payment_id)
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{
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integrated_address iadr;
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if (!::serialization::parse_binary(data, iadr))
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{
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LOG_PRINT_L1("Account public address keys can't be parsed");
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return false;
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}
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adr = iadr.adr;
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payment_id = iadr.payment_id;
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}
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else
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{
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if (!::serialization::parse_binary(data, adr))
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{
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LOG_PRINT_L1("Account public address keys can't be parsed");
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return false;
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}
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}
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if (!crypto::check_key(adr.m_spend_public_key) || !crypto::check_key(adr.m_view_public_key))
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{
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LOG_PRINT_L1("Failed to validate address keys");
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return false;
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}
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}
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else
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{
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// Old address format
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std::string buff;
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if(!string_tools::parse_hexstr_to_binbuff(str, buff))
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return false;
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if(buff.size()!=sizeof(public_address_outer_blob))
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{
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LOG_PRINT_L1("Wrong public address size: " << buff.size() << ", expected size: " << sizeof(public_address_outer_blob));
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return false;
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}
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public_address_outer_blob blob = *reinterpret_cast<const public_address_outer_blob*>(buff.data());
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if(blob.m_ver > CRYPTONOTE_PUBLIC_ADDRESS_TEXTBLOB_VER)
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{
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LOG_PRINT_L1("Unknown version of public address: " << blob.m_ver << ", expected " << CRYPTONOTE_PUBLIC_ADDRESS_TEXTBLOB_VER);
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return false;
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}
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if(blob.check_sum != get_account_address_checksum(blob))
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{
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LOG_PRINT_L1("Wrong public address checksum");
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return false;
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}
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//we success
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adr = blob.m_address;
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has_payment_id = false;
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}
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return true;
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}
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//-----------------------------------------------------------------------
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bool get_account_address_from_str(
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account_public_address& adr
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, bool testnet
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, std::string const & str
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)
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{
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bool has_payment_id;
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crypto::hash8 payment_id;
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return get_account_integrated_address_from_str(adr, has_payment_id, payment_id, testnet, str);
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}
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//--------------------------------------------------------------------------------
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bool get_account_address_from_str_or_url(
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cryptonote::account_public_address& address
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, bool& has_payment_id
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, crypto::hash8& payment_id
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, bool testnet
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, const std::string& str_or_url
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, std::function<std::string(const std::string&, const std::vector<std::string>&, bool)> dns_confirm
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)
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{
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if (get_account_integrated_address_from_str(address, has_payment_id, payment_id, testnet, str_or_url))
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return true;
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bool dnssec_valid;
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std::string address_str = tools::dns_utils::get_account_address_as_str_from_url(str_or_url, dnssec_valid, dns_confirm);
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return !address_str.empty() &&
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get_account_integrated_address_from_str(address, has_payment_id, payment_id, testnet, address_str);
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}
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//--------------------------------------------------------------------------------
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bool get_account_address_from_str_or_url(
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cryptonote::account_public_address& address
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, bool testnet
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, const std::string& str_or_url
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, std::function<std::string(const std::string&, const std::vector<std::string>&, bool)> dns_confirm
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)
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{
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bool has_payment_id;
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crypto::hash8 payment_id;
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return get_account_address_from_str_or_url(address, has_payment_id, payment_id, testnet, str_or_url, dns_confirm);
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}
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//--------------------------------------------------------------------------------
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bool operator ==(const cryptonote::transaction& a, const cryptonote::transaction& b) {
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return cryptonote::get_transaction_hash(a) == cryptonote::get_transaction_hash(b);
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}
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bool operator ==(const cryptonote::block& a, const cryptonote::block& b) {
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return cryptonote::get_block_hash(a) == cryptonote::get_block_hash(b);
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}
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}
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//--------------------------------------------------------------------------------
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bool parse_hash256(const std::string str_hash, crypto::hash& hash)
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{
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std::string buf;
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bool res = epee::string_tools::parse_hexstr_to_binbuff(str_hash, buf);
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if (!res || buf.size() != sizeof(crypto::hash))
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{
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std::cout << "invalid hash format: <" << str_hash << '>' << std::endl;
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return false;
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}
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else
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{
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buf.copy(reinterpret_cast<char *>(&hash), sizeof(crypto::hash));
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return true;
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}
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}
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