Marek Kotewicz
10 years ago
8 changed files with 158 additions and 504 deletions
@ -1,66 +0,0 @@ |
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/*
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This file is part of cpp-ethereum. |
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file CommonJS.cpp
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* @authors: |
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* Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#include "CommonJS.h" |
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using namespace std; |
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using namespace dev; |
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using namespace dev::eth; |
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bytes dev::eth::jsToBytes(string const& _s) |
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{ |
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if (_s.substr(0, 2) == "0x") |
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// Hex
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return fromHex(_s.substr(2)); |
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else if (_s.find_first_not_of("0123456789") == string::npos) |
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// Decimal
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return toCompactBigEndian(bigint(_s)); |
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else |
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// Binary
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return asBytes(_s); |
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} |
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string dev::eth::jsPadded(string const& _s, unsigned _l, unsigned _r) |
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{ |
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bytes b = jsToBytes(_s); |
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while (b.size() < _l) |
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b.insert(b.begin(), 0); |
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while (b.size() < _r) |
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b.push_back(0); |
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return asString(b).substr(b.size() - max(_l, _r)); |
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} |
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string dev::eth::jsPadded(string const& _s, unsigned _l) |
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{ |
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if (_s.substr(0, 2) == "0x" || _s.find_first_not_of("0123456789") == string::npos) |
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// Numeric: pad to right
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return jsPadded(_s, _l, _l); |
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else |
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// Text: pad to the left
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return jsPadded(_s, 0, _l); |
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} |
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string dev::eth::jsUnpadded(string _s) |
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{ |
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auto p = _s.find_last_not_of((char)0); |
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_s.resize(p == string::npos ? 0 : (p + 1)); |
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return _s; |
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} |
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@ -1,91 +0,0 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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cpp-ethereum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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cpp-ethereum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/** @file CommonJS.h
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* @authors: |
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* Gav Wood <i@gavwood.com> |
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* @date 2014 |
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*/ |
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#pragma once |
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#include <string> |
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#include <libdevcore/Common.h> |
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#include <libdevcore/CommonIO.h> |
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#include <libdevcore/CommonData.h> |
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#include <libdevcore/FixedHash.h> |
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#include <libethcore/CommonEth.h> |
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namespace dev |
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{ |
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namespace eth |
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{ |
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bytes jsToBytes(std::string const& _s); |
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std::string jsPadded(std::string const& _s, unsigned _l, unsigned _r); |
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std::string jsPadded(std::string const& _s, unsigned _l); |
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std::string jsUnpadded(std::string _s); |
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template <unsigned N> FixedHash<N> jsToFixed(std::string const& _s) |
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{ |
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if (_s.substr(0, 2) == "0x") |
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// Hex
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return FixedHash<N>(_s.substr(2)); |
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else if (_s.find_first_not_of("0123456789") == std::string::npos) |
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// Decimal
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return (typename FixedHash<N>::Arith)(_s); |
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else |
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// Binary
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return FixedHash<N>(asBytes(jsPadded(_s, N))); |
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} |
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template <unsigned N> boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N * 8, N * 8, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>> jsToInt(std::string const& _s) |
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{ |
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if (_s.substr(0, 2) == "0x") |
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// Hex
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return fromBigEndian<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N * 8, N * 8, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>>(fromHex(_s.substr(2))); |
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else if (_s.find_first_not_of("0123456789") == std::string::npos) |
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// Decimal
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return boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N * 8, N * 8, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>(_s); |
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else |
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// Binary
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return fromBigEndian<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N * 8, N * 8, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>>>(asBytes(jsPadded(_s, N))); |
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} |
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inline Address jsToAddress(std::string const& _s) { return jsToFixed<20>(_s); } |
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inline Secret jsToSecret(std::string const& _s) { return jsToFixed<32>(_s); } |
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inline u256 jsToU256(std::string const& _s) { return jsToInt<32>(_s); } |
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template <unsigned S> std::string toJS(FixedHash<S> const& _h) { return "0x" + toHex(_h.ref()); } |
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template <unsigned N> std::string toJS(boost::multiprecision::number<boost::multiprecision::cpp_int_backend<N, N, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>> const& _n) { return "0x" + toHex(toCompactBigEndian(_n)); } |
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inline std::string jsToBinary(std::string const& _s) |
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{ |
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return asString(jsToBytes(_s)); |
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} |
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inline std::string jsToDecimal(std::string const& _s) |
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{ |
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return toString(jsToU256(_s)); |
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} |
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inline std::string jsToHex(std::string const& _s) |
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{ |
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return "0x" + toHex(asBytes(_s)); |
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} |
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} |
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} |
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