lukechilds
/
ethminer
mirror of https://github.com/lukechilds/ethminer.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

ABI fixes and finalisation. Testing needed.

cl-refactor
Gav Wood 10 years ago
parent
35960c8ef6
commit
2d42d05f9b
2 changed files with 188 additions and 107 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 283
      abi/main.cpp
  2. 12
      libdevcore/CommonData.h

283
abi/main.cpp
View File

@ -43,8 +43,8 @@ void help()
<< " -h,--help Print this help message and exit." << endl
<< " -V,--version Show the version and exit." << endl
<< "Input options:" << endl
<< " -p,--prefix Require all input formats to be prefixed e.g. 0x for hex, . for decimal, @ for binary." << endl
<< " -P,--no-prefix Require no input format to be prefixed." << endl
<< " -f,--format-prefix Require all input formats to be prefixed e.g. 0x for hex, . for decimal, @ for binary." << endl
<< " -F,--no-format-prefix Require no input format to be prefixed." << endl
<< " -t,--typing Require all arguments to be typed e.g. b32: (bytes32), u64: (uint64), b[]: (byte[]), i: (int256)." << endl
<< " -T,--no-typing Require no arguments to be typed." << endl
<< "Output options:" << endl
@ -53,8 +53,6 @@ void help()
<< " -x,--hex Display all data as hex." << endl
<< " -b,--binary Display all data as binary." << endl
<< " -p,--prefix Prefix by a base identifier." << endl
<< " -z,--no-zeroes Remove any leading zeroes from the data." << endl
<< " -n,--no-nulls Remove any trailing nulls from the data." << endl
;
exit(0);
}
@ -90,7 +88,9 @@ enum class Format
{
Binary,
Hex,
Decimal
Decimal,
Open,
Close
};
struct InvalidUserString: public Exception {};
@ -115,6 +115,12 @@ static const map<Base, string> s_bases =
{ Base::Fixed, "fixed" }
};
struct EncodingPrefs
{
Encoding e = Encoding::Auto;
bool prefix = true;
};
struct ABIType
{
Base base = Base::Unknown;
@ -204,39 +210,72 @@ struct ABIType
bool isBytes() const { return base == Base::Bytes && !size; }
string render(bytes const& _data) const
string render(bytes const& _data, EncodingPrefs _e) const
{
if (base == Base::Uint)
return toString(fromBigEndian<u256>(_data));
else if (base == Base::Int)
return toString((s256)fromBigEndian<u256>(_data));
if (base == Base::Uint || base == Base::Int)
{
if (_e.e == Encoding::Hex)
return (_e.prefix ? "0x" : "") + toHex(toCompactBigEndian(fromBigEndian<bigint>(bytesConstRef(&_data).cropped(32 - size / 8))));
else
{
bigint i = fromBigEndian<bigint>(bytesConstRef(&_data).cropped(32 - size / 8));
if (base == Base::Int && i > (bigint(1) << (size - 1)))
i -= (bigint(1) << size);
return toString(i);
}
}
else if (base == Base::Address)
return toString(Address(h256(_data)));
{
Address a = Address(h256(_data), Address::AlignRight);
return _e.e == Encoding::Binary ? asString(a.asBytes()) : ((_e.prefix ? "0x" : "") + toString(a));
}
else if (isBytes())
{
return _e.e == Encoding::Binary ? asString(_data) : ((_e.prefix ? "0x" : "") + toHex(_data));
}
else if (base == Base::Bytes)
{
bytesConstRef b(&_data);
b = b.cropped(0, size);
return _e.e == Encoding::Binary ? asString(b) : ((_e.prefix ? "0x" : "") + toHex(b));
}
else
throw InvalidFormat();
}
bytes unrender(bytes const& _data, Format _f) const
{
if (isBytes())
{
auto ret = _data;
while (ret.size() % 32 != 0)
ret.push_back(0);
return ret;
}
else
return toHex(_data);
return aligned(_data, _f, 32);
}
void noteHexInput(unsigned _nibbles) { if (base == Base::Unknown) { if (_nibbles == 40) base = Base::Address; else { base = Base::Bytes; size = _nibbles / 2; } } }
void noteBinaryInput() { if (base == Base::Unknown) { base = Base::Bytes; size = 32; } }
void noteDecimalInput() { if (base == Base::Unknown) { base = Base::Uint; size = 32; } }
};
bytes aligned(bytes const& _b, ABIType _t, Format _f, unsigned _length)
{
(void)_t;
bytes ret = _b;
while (ret.size() < _length)
if (_f == Format::Binary)
ret.push_back(0);
else
ret.insert(ret.begin(), 0);
while (ret.size() > _length)
if (_f == Format::Binary)
ret.pop_back();
else
ret.erase(ret.begin());
return ret;
}
bytes aligned(bytes const& _b, Format _f, unsigned _length) const
{
bytes ret = _b;
while (ret.size() < _length)
if (_f == Format::Binary)
ret.push_back(0);
else
ret.insert(ret.begin(), 0);
while (ret.size() > _length)
if (_f == Format::Binary)
ret.pop_back();
else
ret.erase(ret.begin());
return ret;
}
};
tuple<bytes, ABIType, Format> fromUser(std::string const& _arg, Tristate _prefix, Tristate _typing)
{
@ -269,25 +308,36 @@ tuple<bytes, ABIType, Format> fromUser(std::string const& _arg, Tristate _prefix
type.noteBinaryInput();
return make_tuple(asBytes(val.substr(1)), type, Format::Binary);
}
if (val == "[")
return make_tuple(bytes(), type, Format::Open);
if (val == "]")
return make_tuple(bytes(), type, Format::Close);
}
if (_prefix != Tristate::True)
{
if (_arg.find_first_not_of("0123456789") == string::npos)
if (val.find_first_not_of("0123456789") == string::npos)
{
type.noteDecimalInput();
return make_tuple(toCompactBigEndian(bigint(val)), type, Format::Decimal);
}
if (_arg.find_first_not_of("0123456789abcdefABCDEF") == string::npos)
if (val.find_first_not_of("0123456789abcdefABCDEF") == string::npos)
{
type.noteHexInput(val.size());
return make_tuple(fromHex(val), type, Format::Hex);
}
if (val == "[")
return make_tuple(bytes(), type, Format::Open);
if (val == "]")
return make_tuple(bytes(), type, Format::Close);
type.noteBinaryInput();
return make_tuple(asBytes(_arg), type, Format::Binary);
return make_tuple(asBytes(val), type, Format::Binary);
}
throw InvalidUserString();
}
struct ExpectedOpen: public Exception {};
struct ExpectedClose: public Exception {};
struct ABIMethod
{
string name;
@ -355,77 +405,107 @@ struct ABIMethod
bytes encode(vector<pair<bytes, Format>> const& _params) const
{
// ALL WRONG!!!!
// INARITIES SHOULD BE HEIRARCHICAL!
bytes ret = name.empty() ? bytes() : id().asBytes();
bytes suffix;
// int int[] int
// example: 42 [ 1 2 3 ] 69
// int[2][][3]
// example: [ [ [ 1 2 3 ] [ 4 5 6 ] ] [ ] ]
unsigned pi = 0;
vector<unsigned> inArity;
for (ABIType const& i: ins)
{
unsigned arity = 1;
for (auto j: i.dims)
if (j == -1)
{
ret += aligned(_params[pi].first, ABIType(), Format::Decimal, 32);
arity *= fromBigEndian<unsigned>(_params[pi].first);
pi++;
}
else
arity *= j;
if (i.isBytes())
for (unsigned i = 0; i < arity; ++i)
inArity.push_back(arity);
}
unsigned ii = 0;
for (ABIType const& i: ins)
for (ABIType const& a: ins)
{
for (unsigned j = 0; j < inArity[ii]; ++j)
{
if (i.base == Base::Bytes && !i.size)
auto put = [&]() {
if (a.isBytes())
ret += h256(u256(_params[pi].first.size())).asBytes();
suffix += a.unrender(_params[pi].first, _params[pi].second);
pi++;
};
function<void(vector<int>, unsigned)> putDim = [&](vector<int> addr, unsigned q) {
if (addr.size() == a.dims.size())
put();
else
{
ret += _params[pi].first;
while (ret.size() % 32 != 0)
ret.push_back(0);
if (_params[pi].second != Format::Open)
throw ExpectedOpen();
int l = a.dims[addr.size()];
if (l == -1)
{
// read ahead in params and discover the arity.
unsigned depth = 0;
l = 0;
for (unsigned pi2 = pi + 1; depth || _params[pi2].second != Format::Close;)
{
if (_params[pi2].second == Format::Open)
++depth;
if (_params[pi2].second == Format::Close)
--depth;
if (!depth)
++l;
if (++pi2 == _params.size())
throw ExpectedClose();
}
ret += h256(u256(l)).asBytes();
}
q *= l;
for (addr.push_back(0); addr.back() < l; ++addr.back())
putDim(addr, q);
if (_params[pi].second != Format::Close)
throw ExpectedClose();
}
else
ret += aligned(_params[pi].first, i, _params[pi].second, 32);
++pi;
}
++ii;
};
putDim(vector<int>(), 1);
}
return ret;
return ret + suffix;
}
string decode(bytes const& _data, int _index = -1)
string decode(bytes const& _data, int _index, EncodingPrefs _ep)
{
stringstream out;
if (_index == -1)
out << "[";
unsigned di = 0;
vector<ABIType> souts;
vector<unsigned> catDims;
for (ABIType a: outs)
for (ABIType const& a: outs)
{
unsigned q = 1;
for (auto& i: a.dims)
{
for (unsigned j = 0; j < q; ++j)
if (i == -1)
auto put = [&]() {
if (a.isBytes())
{
catDims.push_back(fromBigEndian<unsigned>(bytesConstRef(&_data).cropped(di, 32)));
di += 32;
}
};
function<void(vector<int>, unsigned)> putDim = [&](vector<int> addr, unsigned q) {
if (addr.size() == a.dims.size())
put();
else
{
out << "[";
int l = a.dims[addr.size()];
if (l == -1)
{
catDims.push_back(fromBigEndian<unsigned>(bytesConstRef(&_data).cropped(di, 32)));
l = fromBigEndian<unsigned>(bytesConstRef(&_data).cropped(di, 32));
catDims.push_back(l);
di += 32;
}
q *= i;
}
if (a.isBytes())
souts.push_back(a);
q *= l;
for (addr.push_back(0); addr.back() < l; ++addr.back())
putDim(addr, q);
out << "]";
}
};
putDim(vector<int>(), 1);
}
for (ABIType const& a: souts)
unsigned d = 0;
for (ABIType const& a: outs)
{
auto put = [&]() {
out << a.render(bytesConstRef(&_data).cropped(di, 32).toBytes()) << ", ";
di += 32;
unsigned l = 32;
if (a.isBytes())
l = (catDims[d++] + 31 / 32) * 32;
out << a.render(bytesConstRef(&_data).cropped(di, l).toBytes(), _ep) << ", ";
di += l;
};
function<void(vector<int>)> putDim = [&](vector<int> addr) {
if (addr.size() == a.dims.size())
@ -433,9 +513,11 @@ struct ABIMethod
else
{
out << "[";
auto d = addr;
addr.push_back(0);
for (addr.back() = 0; addr.back() < a.dims[addr.size() - 1]; ++addr.back())
int l = a.dims[addr.size() - 1];
if (l == -1)
l = catDims[d++];
for (addr.back() = 0; addr.back() < l; ++addr.back())
{
if (addr.back())
out << ", ";
@ -543,10 +625,9 @@ int main(int argc, char** argv)
Mode mode = Mode::Encode;
string abiFile;
string method;
Tristate prefix = Tristate::Mu;
Tristate formatPrefix = Tristate::Mu;
Tristate typePrefix = Tristate::Mu;
bool clearZeroes = false;
bool clearNulls = false;
EncodingPrefs prefs;
bool verbose = false;
int outputIndex = -1;
vector<pair<bytes, Format>> params;
@ -566,25 +647,23 @@ int main(int argc, char** argv)
else if ((arg == "-i" || arg == "--index") && argc > i)
outputIndex = atoi(argv[++i]);
else if (arg == "-p" || arg == "--prefix")
prefix = Tristate::True;
else if (arg == "-P" || arg == "--no-prefix")
prefix = Tristate::False;
prefs.prefix = true;
else if (arg == "-f" || arg == "--format-prefix")
formatPrefix = Tristate::True;
else if (arg == "-F" || arg == "--no-format-prefix")
formatPrefix = Tristate::False;
else if (arg == "-t" || arg == "--typing")
typePrefix = Tristate::True;
else if (arg == "-T" || arg == "--no-typing")
typePrefix = Tristate::False;
else if (arg == "-z" || arg == "--no-zeroes")
clearZeroes = true;
else if (arg == "-n" || arg == "--no-nulls")
clearNulls = true;
else if (arg == "-v" || arg == "--verbose")
verbose = true;
else if (arg == "-x" || arg == "--hex")
encoding = Encoding::Hex;
prefs.e = Encoding::Hex;
else if (arg == "-d" || arg == "--decimal" || arg == "--dec")
encoding = Encoding::Decimal;
prefs.e = Encoding::Decimal;
else if (arg == "-b" || arg == "--binary" || arg == "--bin")
encoding = Encoding::Binary;
prefs.e = Encoding::Binary;
else if (arg == "-v" || arg == "--verbose")
version();
else if (arg == "-V" || arg == "--version")
@ -593,7 +672,7 @@ int main(int argc, char** argv)
method = arg;
else
{
auto u = fromUser(arg, prefix, typePrefix);
auto u = fromUser(arg, formatPrefix, typePrefix);
args.push_back(get<1>(u));
params.push_back(make_pair(get<0>(u), get<2>(u)));
}
@ -648,14 +727,8 @@ int main(int argc, char** argv)
string encoded;
for (int i = cin.get(); i != -1; i = cin.get())
encoded.push_back((char)i);
cout << m.decode(fromHex(encoded));
cout << m.decode(fromHex(encoded), outputIndex, prefs);
}
// TODO: read abi to determine output format.
(void)encoding;
(void)clearZeroes;
(void)clearNulls;
(void)outputIndex;
}
return 0;

12
libdevcore/CommonData.h
View File

@ -42,14 +42,15 @@ enum class WhenError
};
/// Convert a series of bytes to the corresponding string of hex duplets.
/// @param _w specifies the width of each of the elements. Defaults to two - enough to represent a byte.
/// @param _w specifies the width of the first of the elements. Defaults to two - enough to represent a byte.
/// @example toHex("A\x69") == "4169"
template <class _T>
std::string toHex(_T const& _data, int _w = 2)
{
std::ostringstream ret;
unsigned ii = 0;
for (auto i: _data)
ret << std::hex << std::setfill('0') << std::setw(_w) << (int)(typename std::make_unsigned<decltype(i)>::type)i;
ret << std::hex << std::setfill('0') << std::setw(ii++ ? 2 : _w) << (int)(typename std::make_unsigned<decltype(i)>::type)i;
return ret.str();
}
@ -74,6 +75,13 @@ inline std::string asString(bytes const& _b)
return std::string((char const*)_b.data(), (char const*)(_b.data() + _b.size()));
}
/// Converts byte array ref to a string containing the same (binary) data. Unless
/// the byte array happens to contain ASCII data, this won't be printable.
inline std::string asString(bytesConstRef _b)
{
return std::string((char const*)_b.data(), (char const*)(_b.data() + _b.size()));
}
/// Converts a string to a byte array containing the string's (byte) data.
inline bytes asBytes(std::string const& _b)
{

Write Preview
Loading…
Cancel
Save