492 lines
18 KiB
C++
492 lines
18 KiB
C++
#include <fc/crypto/base58.hpp>
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#include <fc/crypto/sha256.hpp>
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#include <graphene/peerplays_sidechain/bitcoin/bitcoin_address.hpp>
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#include <graphene/peerplays_sidechain/bitcoin/bitcoin_script.hpp>
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#include <graphene/peerplays_sidechain/bitcoin/segwit_addr.hpp>
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#include <sstream>
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namespace graphene { namespace peerplays_sidechain { namespace bitcoin {
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bool bitcoin_address::operator==(const bitcoin_address &btc_addr) const {
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return (this->address == btc_addr.address) &&
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(this->type == btc_addr.type) &&
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(this->raw_address == btc_addr.raw_address) &&
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(this->network_type == btc_addr.network_type);
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}
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bytes bitcoin_address::get_script() const {
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switch (type) {
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case payment_type::NULLDATA:
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return script_builder() << op::RETURN << raw_address;
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case payment_type::P2PK:
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return script_builder() << raw_address << op::CHECKSIG;
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case payment_type::P2PKH:
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return script_builder() << op::DUP << op::HASH160 << raw_address << op::EQUALVERIFY << op::CHECKSIG;
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case payment_type::P2SH:
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case payment_type::P2SH_WPKH:
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case payment_type::P2SH_WSH:
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return script_builder() << op::HASH160 << raw_address << op::EQUAL;
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case payment_type::P2WPKH:
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case payment_type::P2WSH:
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return script_builder() << op::_0 << raw_address;
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default:
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return raw_address;
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}
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}
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payment_type bitcoin_address::determine_type() {
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if (is_p2pk()) {
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return payment_type::P2PK;
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} else if (is_p2wpkh()) {
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return payment_type::P2WPKH;
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} else if (is_p2wsh()) {
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return payment_type::P2WSH;
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} else if (is_p2pkh()) {
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return payment_type::P2PKH;
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} else if (is_p2sh()) {
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return payment_type::P2SH;
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} else {
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return payment_type::NULLDATA;
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}
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}
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bytes bitcoin_address::determine_raw_address() {
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bytes result;
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switch (type) {
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case payment_type::P2PK: {
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result = parse_hex(address);
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break;
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}
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case payment_type::P2WPKH:
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case payment_type::P2WSH: {
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std::string prefix(address.compare(0, 4, "bcrt") == 0 ? std::string(address.begin(), address.begin() + 4) : std::string(address.begin(), address.begin() + 2));
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const auto &decode_bech32 = segwit_addr::decode(prefix, address);
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result = bytes(decode_bech32.second.begin(), decode_bech32.second.end());
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break;
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}
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case payment_type::P2SH_WPKH:
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case payment_type::P2SH_WSH:
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case payment_type::P2PKH:
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case payment_type::P2SH: {
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bytes hex_addr = fc::from_base58(address);
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result = bytes(hex_addr.begin() + 1, hex_addr.begin() + 21);
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break;
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}
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case payment_type::NULLDATA:
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return result;
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}
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return result;
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}
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bool bitcoin_address::check_segwit_address(const size_segwit_address &size) const {
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if (!address.compare(0, 4, "bcrt") || !address.compare(0, 2, "bc") || !address.compare(0, 2, "tb")) {
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std::string prefix(!address.compare(0, 4, "bcrt") ? std::string(address.begin(), address.begin() + 4) : std::string(address.begin(), address.begin() + 2));
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const auto &decode_bech32 = segwit_addr::decode(prefix, address);
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if (decode_bech32.first == -1 || decode_bech32.second.size() != size) {
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return false;
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}
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return true;
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}
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return false;
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}
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bool bitcoin_address::is_p2pk() const {
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try {
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bool prefix = !address.compare(0, 2, "02") || !address.compare(0, 2, "03");
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if (address.size() == 66 && prefix) {
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parse_hex(address);
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return true;
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}
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} catch (fc::exception &e) {
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return false;
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}
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return false;
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}
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bool bitcoin_address::is_p2wpkh() const {
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return check_segwit_address(size_segwit_address::P2WPKH);
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}
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bool bitcoin_address::is_p2wsh() const {
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return check_segwit_address(size_segwit_address::P2WSH);
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}
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bool bitcoin_address::is_p2pkh() const {
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try {
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bytes hex_addr = fc::from_base58(address);
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if (hex_addr.size() == 25 && (static_cast<unsigned char>(hex_addr[0]) == 0x00 ||
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static_cast<unsigned char>(hex_addr[0]) == 0x6f)) {
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return true;
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}
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return false;
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} catch (fc::exception &e) {
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return false;
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}
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}
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bool bitcoin_address::is_p2sh() const {
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try {
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bytes hex_addr = fc::from_base58(address);
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if (hex_addr.size() == 25 && (static_cast<unsigned char>(hex_addr[0]) == 0x05 ||
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static_cast<unsigned char>(hex_addr[0]) == 0xc4)) {
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return true;
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}
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return false;
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} catch (fc::exception &e) {
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return false;
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}
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}
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btc_multisig_address::btc_multisig_address(const size_t n_required, const accounts_keys &keys) :
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keys_required(n_required),
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witnesses_keys(keys) {
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create_redeem_script();
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create_address();
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type = payment_type::P2SH;
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}
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size_t btc_multisig_address::count_intersection(const accounts_keys &keys) const {
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FC_ASSERT(keys.size() > 0);
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int intersections_count = 0;
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for (auto &key : keys) {
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auto witness_key = witnesses_keys.find(key.first);
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if (witness_key == witnesses_keys.end())
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continue;
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if (key.second == witness_key->second)
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intersections_count++;
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}
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return intersections_count;
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}
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void btc_multisig_address::create_redeem_script() {
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FC_ASSERT(keys_required > 0);
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FC_ASSERT(keys_required < witnesses_keys.size());
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redeem_script.clear();
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redeem_script.push_back(op_num[keys_required - 1]);
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for (const auto &key : witnesses_keys) {
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std::stringstream ss;
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ss << std::hex << key.second.key_data.size();
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auto key_size_hex = parse_hex(ss.str());
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redeem_script.insert(redeem_script.end(), key_size_hex.begin(), key_size_hex.end());
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redeem_script.insert(redeem_script.end(), key.second.key_data.begin(), key.second.key_data.end());
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}
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redeem_script.push_back(op_num[witnesses_keys.size() - 1]);
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redeem_script.push_back(OP_CHECKMULTISIG);
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}
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void btc_multisig_address::create_address() {
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FC_ASSERT(redeem_script.size() > 0);
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raw_address.clear();
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fc::sha256 hash256 = fc::sha256::hash(redeem_script.data(), redeem_script.size());
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fc::ripemd160 hash160 = fc::ripemd160::hash(hash256.data(), hash256.data_size());
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bytes temp_addr_hash(parse_hex(hash160.str()));
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raw_address.push_back(OP_HASH160);
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std::stringstream ss;
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ss << std::hex << temp_addr_hash.size();
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auto address_size_hex = parse_hex(ss.str());
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raw_address.insert(raw_address.end(), address_size_hex.begin(), address_size_hex.end());
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raw_address.insert(raw_address.end(), temp_addr_hash.begin(), temp_addr_hash.end());
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raw_address.push_back(OP_EQUAL);
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}
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btc_multisig_segwit_address::btc_multisig_segwit_address(const size_t n_required, const accounts_keys &keys) :
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btc_multisig_address(n_required, keys) {
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create_witness_script();
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create_segwit_address();
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type = payment_type::P2SH;
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}
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bool btc_multisig_segwit_address::operator==(const btc_multisig_segwit_address &addr) const {
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if (address != addr.address || redeem_script != addr.redeem_script ||
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witnesses_keys != addr.witnesses_keys || witness_script != addr.witness_script ||
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raw_address != addr.raw_address)
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return false;
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return true;
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}
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std::vector<public_key_type> btc_multisig_segwit_address::get_keys() {
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std::vector<public_key_type> keys;
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for (const auto &k : witnesses_keys) {
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keys.push_back(k.second);
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}
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return keys;
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}
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void btc_multisig_segwit_address::create_witness_script() {
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const auto redeem_sha256 = fc::sha256::hash(redeem_script.data(), redeem_script.size());
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witness_script.push_back(OP_0);
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witness_script.push_back(0x20); // PUSH_32
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witness_script.insert(witness_script.end(), redeem_sha256.data(), redeem_sha256.data() + redeem_sha256.data_size());
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}
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void btc_multisig_segwit_address::create_segwit_address() {
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fc::sha256 hash256 = fc::sha256::hash(witness_script.data(), witness_script.size());
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fc::ripemd160 hash160 = fc::ripemd160::hash(hash256.data(), hash256.data_size());
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raw_address = bytes(hash160.data(), hash160.data() + hash160.data_size());
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address = fc::to_base58(get_address_bytes(raw_address));
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}
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bytes btc_multisig_segwit_address::get_address_bytes(const bytes &script_hash) {
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bytes address_bytes(1, TESTNET_SCRIPT); // 1 byte version
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address_bytes.insert(address_bytes.end(), script_hash.begin(), script_hash.end());
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fc::sha256 hash256 = fc::sha256::hash(fc::sha256::hash(address_bytes.data(), address_bytes.size()));
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address_bytes.insert(address_bytes.end(), hash256.data(), hash256.data() + 4); // 4 byte checksum
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return address_bytes;
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}
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btc_weighted_multisig_address::btc_weighted_multisig_address(const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data,
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network ntype, payment_type type) {
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network_type = ntype;
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this->type = type;
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create_redeem_script(keys_data);
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create_witness_script();
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create_segwit_address();
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}
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void btc_weighted_multisig_address::create_redeem_script(const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data) {
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script_builder builder;
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uint32_t total_weight = 0;
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builder << uint32_t(0);
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for (auto &p : keys_data) {
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total_weight += p.second;
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builder << op::SWAP;
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builder << p.first.serialize();
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builder << op::CHECKSIG;
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builder << op::IF;
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builder << uint32_t(p.second);
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builder << op::ADD;
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builder << op::ENDIF;
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}
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uint32_t threshold_weight = total_weight * 2 / 3 + 1;
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builder << threshold_weight;
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builder << op::GREATERTHANOREQUAL;
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redeem_script_ = builder;
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fc::sha256 sh = fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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raw_address = bytes(sh.data(), sh.data() + sh.data_size());
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}
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void btc_weighted_multisig_address::create_witness_script() {
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script_builder builder;
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builder << op::_0;
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builder << fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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witness_script_ = builder;
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}
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void btc_weighted_multisig_address::create_segwit_address() {
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std::string hrp;
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address_types byte_version;
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switch (network_type) {
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case (network::mainnet):
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hrp = "bc";
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byte_version = address_types::MAINNET_SCRIPT;
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break;
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case (network::testnet):
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hrp = "tb";
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byte_version = address_types::TESTNET_SCRIPT;
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break;
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case (network::regtest):
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hrp = "bcrt";
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byte_version = address_types::TESTNET_SCRIPT;
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break;
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}
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if (type == payment_type::P2WSH) {
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fc::sha256 sh = fc::sha256::hash(&redeem_script_[0], redeem_script_.size());
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std::vector<uint8_t> hash_data(sh.data(), sh.data() + sh.data_size());
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address = segwit_addr::encode(hrp, 0, hash_data);
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} else if (type == payment_type::P2SH_WSH) {
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fc::sha256 hash256 = fc::sha256::hash(&witness_script_[0], witness_script_.size());
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fc::ripemd160 hash160 = fc::ripemd160::hash(hash256.data(), hash256.data_size());
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raw_address = bytes(hash160.data(), hash160.data() + hash160.data_size());
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bytes address_bytes(1, byte_version); // 1 byte version
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address_bytes.insert(address_bytes.end(), raw_address.begin(), raw_address.end());
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fc::sha256 hash256_1 = fc::sha256::hash(fc::sha256::hash(address_bytes.data(), address_bytes.size()));
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address_bytes.insert(address_bytes.end(), hash256_1.data(), hash256_1.data() + 4); // 4 byte checksum
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address = fc::to_base58(address_bytes);
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} else {
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wlog("Unsupported payment type of address");
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}
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}
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btc_one_or_m_of_n_multisig_address::btc_one_or_m_of_n_multisig_address(const fc::ecc::public_key &user_key_data,
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const uint8_t nrequired, const std::vector<fc::ecc::public_key> &keys_data,
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network ntype) {
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network_type = ntype;
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create_redeem_script(user_key_data, nrequired, keys_data);
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create_witness_script();
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create_segwit_address();
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type = payment_type::P2WSH;
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}
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void btc_one_or_m_of_n_multisig_address::create_redeem_script(const fc::ecc::public_key &user_key_data,
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const uint8_t nrequired, const std::vector<fc::ecc::public_key> &keys_data) {
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script_builder builder;
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builder << op::IF;
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builder << user_key_data.serialize();
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builder << op::CHECKSIG;
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builder << op::ELSE;
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builder << static_cast<uint32_t>(nrequired);
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for (auto &key : keys_data) {
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builder << key.serialize();
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}
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builder << static_cast<uint32_t>(keys_data.size());
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builder << op::CHECKMULTISIG;
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builder << op::ENDIF;
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redeem_script_ = builder;
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fc::sha256 sh = fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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raw_address = bytes(sh.data(), sh.data() + sh.data_size());
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}
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void btc_one_or_m_of_n_multisig_address::create_witness_script() {
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script_builder builder;
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builder << op::_0;
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builder << fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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witness_script_ = builder;
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}
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void btc_one_or_m_of_n_multisig_address::create_segwit_address() {
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std::string hrp;
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switch (network_type) {
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case (network::mainnet):
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hrp = "bc";
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break;
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case (network::testnet):
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hrp = "tb";
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break;
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case (network::regtest):
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hrp = "bcrt";
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break;
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}
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fc::sha256 sh = fc::sha256::hash(&redeem_script_[0], redeem_script_.size());
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std::vector<uint8_t> hash_data(sh.data(), sh.data() + sh.data_size());
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address = segwit_addr::encode(hrp, 0, hash_data);
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}
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btc_one_or_weighted_multisig_address::btc_one_or_weighted_multisig_address(const fc::ecc::public_key &user_key_data,
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const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data,
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bitcoin_address::network ntype, payment_type type) {
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network_type = ntype;
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this->type = type;
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create_redeem_script(user_key_data, keys_data);
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create_witness_script();
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create_segwit_address();
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}
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void btc_one_or_weighted_multisig_address::create_redeem_script(const fc::ecc::public_key &user_key_data, const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data) {
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script_builder builder;
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builder << user_key_data.serialize();
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builder << op::CHECKSIG;
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builder << op::IF;
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builder << op::_1;
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builder << op::ELSE;
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uint32_t total_weight = 0;
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builder << uint32_t(0);
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for (auto &p : keys_data) {
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total_weight += p.second;
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builder << op::SWAP;
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builder << p.first.serialize();
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builder << op::CHECKSIG;
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builder << op::IF;
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builder << uint32_t(p.second);
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builder << op::ADD;
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builder << op::ENDIF;
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}
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uint32_t threshold_weight = total_weight * 2 / 3 + 1;
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builder << threshold_weight;
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builder << op::GREATERTHANOREQUAL;
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builder << op::ENDIF;
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redeem_script_ = builder;
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fc::sha256 sh = fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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raw_address = bytes(sh.data(), sh.data() + sh.data_size());
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}
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void btc_one_or_weighted_multisig_address::create_witness_script() {
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script_builder builder;
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builder << op::_0;
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builder << fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
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witness_script_ = builder;
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}
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void btc_one_or_weighted_multisig_address::create_segwit_address() {
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std::string hrp;
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address_types byte_version;
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switch (network_type) {
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case (network::mainnet):
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byte_version = address_types::MAINNET_SCRIPT;
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hrp = "bc";
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break;
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case (network::testnet):
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byte_version = address_types::TESTNET_SCRIPT;
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hrp = "tb";
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break;
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case (network::regtest):
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byte_version = address_types::TESTNET_SCRIPT;
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hrp = "bcrt";
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break;
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}
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if (type == payment_type::P2WSH) {
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fc::sha256 sh = fc::sha256::hash(&redeem_script_[0], redeem_script_.size());
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std::vector<uint8_t> hash_data(sh.data(), sh.data() + sh.data_size());
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address = segwit_addr::encode(hrp, 0, hash_data);
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} else if (type == payment_type::P2SH_WSH) {
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|
fc::sha256 hash256 = fc::sha256::hash(&witness_script_[0], witness_script_.size());
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|
fc::ripemd160 hash160 = fc::ripemd160::hash(hash256.data(), hash256.data_size());
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|
raw_address = bytes(hash160.data(), hash160.data() + hash160.data_size());
|
|
|
|
bytes address_bytes(1, byte_version); // 1 byte version test net
|
|
address_bytes.insert(address_bytes.end(), raw_address.begin(), raw_address.end());
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|
fc::sha256 hash256_1 = fc::sha256::hash(fc::sha256::hash(address_bytes.data(), address_bytes.size()));
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|
address_bytes.insert(address_bytes.end(), hash256_1.data(), hash256_1.data() + 4); // 4 byte checksum
|
|
address = fc::to_base58(address_bytes);
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|
} else {
|
|
elog("Unsupported payment type of address");
|
|
}
|
|
}
|
|
|
|
btc_timelocked_one_or_weighted_multisig_address::btc_timelocked_one_or_weighted_multisig_address(const fc::ecc::public_key &user_key_data, uint32_t latency, const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data, bitcoin_address::network ntype) :
|
|
btc_one_or_weighted_multisig_address(user_key_data, keys_data, ntype),
|
|
latency_(latency) {
|
|
create_redeem_script(user_key_data, keys_data);
|
|
create_witness_script();
|
|
create_segwit_address();
|
|
}
|
|
|
|
void btc_timelocked_one_or_weighted_multisig_address::create_redeem_script(const fc::ecc::public_key &user_key_data, const std::vector<std::pair<fc::ecc::public_key, uint16_t>> &keys_data) {
|
|
script_builder builder;
|
|
builder << user_key_data.serialize();
|
|
builder << op::CHECKSIG;
|
|
builder << op::IF;
|
|
builder << uint32_t(latency_);
|
|
builder << op::CHECKSEQUENCEVERIFY;
|
|
builder << op::DROP;
|
|
builder << op::_1;
|
|
builder << op::ELSE;
|
|
uint32_t total_weight = 0;
|
|
builder << uint32_t(0);
|
|
for (auto &p : keys_data) {
|
|
total_weight += p.second;
|
|
builder << op::SWAP;
|
|
builder << p.first.serialize();
|
|
builder << op::CHECKSIG;
|
|
builder << op::IF;
|
|
builder << uint32_t(p.second);
|
|
builder << op::ADD;
|
|
builder << op::ENDIF;
|
|
}
|
|
uint32_t threshold_weight = total_weight * 2 / 3 + 1;
|
|
builder << threshold_weight;
|
|
builder << op::GREATERTHANOREQUAL;
|
|
builder << op::ENDIF;
|
|
redeem_script_ = builder;
|
|
fc::sha256 sh = fc::sha256::hash(redeem_script_.data(), redeem_script_.size());
|
|
raw_address = bytes(sh.data(), sh.data() + sh.data_size());
|
|
}
|
|
|
|
}}} // namespace graphene::peerplays_sidechain::bitcoin
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