// Copyright (c) 2014-2017, 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 "cryptonote_protocol/cryptonote_protocol_defs.h" #include "cryptonote_basic_impl.h" #include "account.h" #include "subaddress_index.h" #include "include_base_utils.h" #include "crypto/crypto.h" #include "crypto/hash.h" #include namespace cryptonote { //--------------------------------------------------------------- void get_transaction_prefix_hash(const transaction_prefix& tx, crypto::hash& h); 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 parse_and_validate_tx_base_from_blob(const blobdata& tx_blob, transaction& tx); 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); template bool find_tx_extra_field_by_type(const std::vector& tx_extra_fields, T& field, size_t index = 0) { auto it = std::find_if(tx_extra_fields.begin(), tx_extra_fields.end(), [&index](const tx_extra_field& f) { return typeid(T) == f.type() && !index--; }); if(tx_extra_fields.end() == it) return false; field = boost::get(*it); return true; } bool parse_tx_extra(const std::vector& tx_extra, std::vector& tx_extra_fields); crypto::public_key get_tx_pub_key_from_extra(const std::vector& tx_extra, size_t pk_index = 0); crypto::public_key get_tx_pub_key_from_extra(const transaction_prefix& tx, size_t pk_index = 0); crypto::public_key get_tx_pub_key_from_extra(const transaction& tx, size_t pk_index = 0); bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key); bool add_tx_pub_key_to_extra(transaction_prefix& tx, const crypto::public_key& tx_pub_key); bool add_tx_pub_key_to_extra(std::vector& tx_extra, const crypto::public_key& tx_pub_key); std::vector get_additional_tx_pub_keys_from_extra(const std::vector& tx_extra); std::vector get_additional_tx_pub_keys_from_extra(const transaction_prefix& tx); bool add_additional_tx_pub_keys_to_extra(std::vector& tx_extra, const std::vector& additional_pub_keys); bool add_extra_nonce_to_tx_extra(std::vector& tx_extra, const blobdata& extra_nonce); bool remove_field_from_tx_extra(std::vector& tx_extra, const std::type_info &type); void set_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash& payment_id); void set_encrypted_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash8& payment_id); bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id); bool get_encrypted_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash8& payment_id); bool is_out_to_acc(const account_keys& acc, const txout_to_key& out_key, const crypto::public_key& tx_pub_key, const std::vector& additional_tx_public_keys, size_t output_index); struct subaddress_receive_info { subaddress_index index; crypto::key_derivation derivation; }; boost::optional is_out_to_acc_precomp(const std::unordered_map& subaddresses, const crypto::public_key& out_key, const crypto::key_derivation& derivation, const std::vector& additional_derivations, size_t output_index); bool lookup_acc_outs(const account_keys& acc, const transaction& tx, const crypto::public_key& tx_pub_key, const std::vector& additional_tx_public_keys, std::vector& outs, uint64_t& money_transfered); bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector& outs, uint64_t& money_transfered); bool get_tx_fee(const transaction& tx, uint64_t & fee); uint64_t get_tx_fee(const transaction& tx); crypto::secret_key get_subaddress_secret_key(const crypto::secret_key& a, const subaddress_index& index); bool generate_key_image_helper(const account_keys& ack, const std::unordered_map& subaddresses, const crypto::public_key& out_key, const crypto::public_key& tx_public_key, const std::vector& additional_tx_public_keys, size_t real_output_index, keypair& in_ephemeral, crypto::key_image& ki); bool generate_key_image_helper_precomp(const account_keys& ack, const crypto::public_key& out_key, const crypto::key_derivation& recv_derivation, size_t real_output_index, const subaddress_index& received_index, keypair& in_ephemeral, crypto::key_image& ki); void get_blob_hash(const blobdata& blob, crypto::hash& res); crypto::hash get_blob_hash(const blobdata& blob); std::string short_hash_str(const crypto::hash& h); crypto::hash get_transaction_hash(const transaction& t); bool get_transaction_hash(const transaction& t, crypto::hash& res); bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t& blob_size); bool get_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size); bool calculate_transaction_hash(const transaction& t, crypto::hash& res, size_t* blob_size); blobdata get_block_hashing_blob(const block& b); bool calculate_block_hash(const block& b, crypto::hash& res); bool get_block_hash(const block& b, crypto::hash& res); crypto::hash get_block_hash(const block& b); bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height); crypto::hash get_block_longhash(const block& b, uint64_t height); bool parse_and_validate_block_from_blob(const blobdata& b_blob, block& b); bool get_inputs_money_amount(const transaction& tx, uint64_t& money); uint64_t get_outs_money_amount(const transaction& tx); bool check_inputs_types_supported(const transaction& tx); bool check_outs_valid(const transaction& tx); bool parse_amount(uint64_t& amount, const std::string& str_amount); bool check_money_overflow(const transaction& tx); bool check_outs_overflow(const transaction& tx); bool check_inputs_overflow(const transaction& tx); uint64_t get_block_height(const block& b); std::vector relative_output_offsets_to_absolute(const std::vector& off); std::vector absolute_output_offsets_to_relative(const std::vector& off); void set_default_decimal_point(unsigned int decimal_point = CRYPTONOTE_DISPLAY_DECIMAL_POINT); unsigned int get_default_decimal_point(); std::string get_unit(unsigned int decimal_point = -1); std::string print_money(uint64_t amount, unsigned int decimal_point = -1); //--------------------------------------------------------------- template bool t_serializable_object_to_blob(const t_object& to, blobdata& b_blob) { std::stringstream ss; binary_archive ba(ss); bool r = ::serialization::serialize(ba, const_cast(to)); b_blob = ss.str(); return r; } //--------------------------------------------------------------- template blobdata t_serializable_object_to_blob(const t_object& to) { blobdata b; t_serializable_object_to_blob(to, b); return b; } //--------------------------------------------------------------- template bool get_object_hash(const t_object& o, crypto::hash& res) { get_blob_hash(t_serializable_object_to_blob(o), res); return true; } //--------------------------------------------------------------- template size_t get_object_blobsize(const t_object& o) { blobdata b = t_serializable_object_to_blob(o); return b.size(); } //--------------------------------------------------------------- template bool get_object_hash(const t_object& o, crypto::hash& res, size_t& blob_size) { blobdata bl = t_serializable_object_to_blob(o); blob_size = bl.size(); get_blob_hash(bl, res); return true; } //--------------------------------------------------------------- template std::string obj_to_json_str(T& obj) { std::stringstream ss; json_archive ar(ss, true); bool r = ::serialization::serialize(ar, obj); CHECK_AND_ASSERT_MES(r, "", "obj_to_json_str failed: serialization::serialize returned false"); return ss.str(); } //--------------------------------------------------------------- // 62387455827 -> 455827 + 7000000 + 80000000 + 300000000 + 2000000000 + 60000000000, where 455827 <= dust_threshold template void decompose_amount_into_digits(uint64_t amount, uint64_t dust_threshold, const chunk_handler_t& chunk_handler, const dust_handler_t& dust_handler) { if (0 == amount) { return; } bool is_dust_handled = false; uint64_t dust = 0; uint64_t order = 1; while (0 != amount) { uint64_t chunk = (amount % 10) * order; amount /= 10; order *= 10; if (dust + chunk <= dust_threshold) { dust += chunk; } else { if (!is_dust_handled && 0 != dust) { dust_handler(dust); is_dust_handled = true; } if (0 != chunk) { chunk_handler(chunk); } } } if (!is_dust_handled && 0 != dust) { dust_handler(dust); } } //--------------------------------------------------------------- blobdata block_to_blob(const block& b); bool block_to_blob(const block& b, blobdata& b_blob); blobdata tx_to_blob(const transaction& b); bool tx_to_blob(const transaction& b, blobdata& b_blob); void get_tx_tree_hash(const std::vector& tx_hashes, crypto::hash& h); crypto::hash get_tx_tree_hash(const std::vector& tx_hashes); crypto::hash get_tx_tree_hash(const block& b); bool is_valid_decomposed_amount(uint64_t amount); void get_hash_stats(uint64_t &tx_hashes_calculated, uint64_t &tx_hashes_cached, uint64_t &block_hashes_calculated, uint64_t & block_hashes_cached); crypto::secret_key encrypt_key(crypto::secret_key key, const std::string &passphrase); crypto::secret_key decrypt_key(crypto::secret_key key, const std::string &passphrase); #define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \ CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \ specific_type& variable_name = boost::get(variant_var); }