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ethminer
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RLP program can convert to RLP from JSON.

cl-refactor
Gav Wood 10 years ago
parent
aaae770f7a
commit
fed167a813
1 changed files with 128 additions and 41 deletions
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  1. 169
      rlp/main.cpp

169
rlp/main.cpp
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@ -22,11 +22,13 @@
#include <fstream>
#include <iostream>
#include <boost/algorithm/string.hpp>
#include "../test/JsonSpiritHeaders.h"
#include <libdevcore/CommonIO.h>
#include <libdevcore/RLP.h>
#include <libdevcrypto/SHA3.h>
using namespace std;
using namespace dev;
namespace js = json_spirit;
void help()
{
@ -42,6 +44,7 @@ void help()
<< " --force-hex Force all data to be rendered as raw hex." << endl
<< " -l,--list-archive List the items in the RLP list by hash and size." << endl
<< " -e,--extract-archive Extract all items in the RLP list, named by hash." << endl
<< " -c,--create Given a simplified JSON string, output the RLP." << endl
<< "General options:" << endl
<< " -L,--lenience Try not to bomb out early if possible." << endl
<< " -x,--hex,--base-16 Treat input RLP as hex encoded data." << endl
@ -63,6 +66,7 @@ enum class Mode {
ListArchive,
ExtractArchive,
Render,
Create
};
enum class Encoding {
@ -74,6 +78,10 @@ enum class Encoding {
bool isAscii(string const& _s)
{
// Always hex-encode anything beginning with 0x to avoid ambiguity.
if (_s.size() >= 2 && _s.substr(0, 2) == "0x")
return false;
for (char c: _s)
if (c < 32)
return false;
@ -87,6 +95,7 @@ public:
{
string indent = " ";
bool hexInts = false;
bool hexPrefix = true;
bool forceString = true;
bool escapeAll = false;
bool forceHex = false;
@ -100,14 +109,14 @@ public:
m_out << "null";
else if (_d.isInt())
if (m_prefs.hexInts)
m_out << toHex(toCompactBigEndian(_d.toInt<bigint>(RLP::LaisezFaire), 1), 1);
m_out << (m_prefs.hexPrefix ? "0x" : "") << toHex(toCompactBigEndian(_d.toInt<bigint>(RLP::LaisezFaire), 1), 1);
else
m_out << _d.toInt<bigint>(RLP::LaisezFaire);
else if (_d.isData())
if (m_prefs.forceString || (!m_prefs.forceHex && isAscii(_d.toString())))
m_out << escaped(_d.toString(), m_prefs.escapeAll);
else
m_out << toHex(_d.data());
m_out << (m_prefs.hexPrefix ? "0x" : "") << toHex(_d.data());
else if (_d.isList())
{
m_out << "[";
@ -147,6 +156,8 @@ int main(int argc, char** argv)
help();
else if (arg == "-r" || arg == "--render")
mode = Mode::Render;
else if (arg == "-c" || arg == "--create")
mode = Mode::Create;
else if ((arg == "-i" || arg == "--indent") && argc > i)
prefs.indent = argv[++i];
else if (arg == "--hex-ints")
@ -183,48 +194,53 @@ int main(int argc, char** argv)
in.push_back((byte)i);
else
in = contents(inputFile);
if (encoding == Encoding::Auto)
bytes b;
if (mode != Mode::Create)
{
encoding = Encoding::Hex;
for (char b: in)
if (b != '\n' && b != ' ' && b != '\t')
{
if (encoding == Encoding::Hex && (b < '0' || b > '9' ) && (b < 'a' || b > 'f' ) && (b < 'A' || b > 'F' ))
{
cerr << "'" << b << "':" << (int)b << endl;
encoding = Encoding::Base64;
}
if (encoding == Encoding::Base64 && (b < '0' || b > '9' ) && (b < 'a' || b > 'z' ) && (b < 'A' || b > 'Z' ) && b != '+' && b != '/')
if (encoding == Encoding::Auto)
{
encoding = Encoding::Hex;
for (char b: in)
if (b != '\n' && b != ' ' && b != '\t')
{
encoding = Encoding::Binary;
break;
if (encoding == Encoding::Hex && (b < '0' || b > '9' ) && (b < 'a' || b > 'f' ) && (b < 'A' || b > 'F' ))
{
cerr << "'" << b << "':" << (int)b << endl;
encoding = Encoding::Base64;
}
if (encoding == Encoding::Base64 && (b < '0' || b > '9' ) && (b < 'a' || b > 'z' ) && (b < 'A' || b > 'Z' ) && b != '+' && b != '/')
{
encoding = Encoding::Binary;
break;
}
}
}
}
bytes b;
switch (encoding)
{
case Encoding::Hex:
{
string s = asString(in);
boost::algorithm::replace_all(s, " ", "");
boost::algorithm::replace_all(s, "\n", "");
boost::algorithm::replace_all(s, "\t", "");
b = fromHex(s);
break;
}
case Encoding::Base64:
{
string s = asString(in);
boost::algorithm::replace_all(s, " ", "");
boost::algorithm::replace_all(s, "\n", "");
boost::algorithm::replace_all(s, "\t", "");
b = fromBase64(s);
break;
}
default:
swap(b, in);
break;
}
switch (encoding)
{
case Encoding::Hex:
{
string s = asString(in);
boost::algorithm::replace_all(s, " ", "");
boost::algorithm::replace_all(s, "\n", "");
boost::algorithm::replace_all(s, "\t", "");
b = fromHex(s);
break;
}
case Encoding::Base64:
{
string s = asString(in);
boost::algorithm::replace_all(s, " ", "");
boost::algorithm::replace_all(s, "\n", "");
boost::algorithm::replace_all(s, "\t", "");
b = fromBase64(s);
break;
}
default:
swap(b, in);
break;
}
}
try
@ -281,6 +297,77 @@ int main(int argc, char** argv)
cout << endl;
break;
}
case Mode::Create:
{
vector<js::mValue> v(1);
try {
js::read_string(asString(in), v[0]);
}
catch (...)
{
cerr << "Error: Invalid format; bad JSON." << endl;
exit(1);
}
RLPStream out;
while (!v.empty())
{
auto vb = v.back();
v.pop_back();
switch (vb.type())
{
case js::array_type:
{
js::mArray a = vb.get_array();
out.appendList(a.size());
for (int i = a.size() - 1; i >= 0; --i)
v.push_back(a[i]);
break;
}
case js::str_type:
{
string const& s = vb.get_str();
if (s.size() >= 2 && s.substr(0, 2) == "0x")
out << fromHex(s);
else
{
// assume it's a normal JS escaped string.
bytes ss;
ss.reserve(s.size());
for (unsigned i = 0; i < s.size(); ++i)
if (s[i] == '\\' && i + 1 < s.size())
{
if (s[++i] == 'x' && i + 2 < s.size())
ss.push_back(fromHex(s.substr(i, 2))[0]);
}
else if (s[i] != '\\')
ss.push_back((byte)s[i]);
out << ss;
}
break;
}
case js::int_type:
out << vb.get_int();
break;
default:
cerr << "ERROR: Unsupported type in JSON." << endl;
if (!lenience)
exit(1);
}
}
switch (encoding)
{
case Encoding::Hex: case Encoding::Auto:
cout << toHex(out.out()) << endl;
break;
case Encoding::Base64:
cout << toBase64(&out.out()) << endl;
break;
case Encoding::Binary:
cout.write((char const*)out.out().data(), out.out().size());
break;
}
break;
}
default:;
}
}

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