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rpcdump.cpp
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rpcdump.cpp
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// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "base58.h"
#include "rpcserver.h"
#include "init.h"
#include "main.h"
#include "sync.h"
#include "wallet.h"
#include <fstream>
#include <stdint.h>
#include <boost/algorithm/string.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/lexical_cast.hpp>
#include "json/json_spirit_value.h"
using namespace json_spirit;
using namespace std;
void EnsureWalletIsUnlocked();
std::string static EncodeDumpTime(int64_t nTime) {
return DateTimeStrFormat("%Y-%m-%"PRId64"T%H:%M:%SZ", nTime);
}
int64_t static DecodeDumpTime(const std::string &str) {
static boost::posix_time::time_input_facet facet("%Y-%m-%dT%H:%M:%SZ");
static const boost::posix_time::ptime epoch = boost::posix_time::from_time_t(0);
const std::locale loc(std::locale::classic(), &facet);
std::istringstream iss(str);
iss.imbue(loc);
boost::posix_time::ptime ptime(boost::date_time::not_a_date_time);
iss >> ptime;
if (ptime.is_not_a_date_time())
return 0;
return (ptime - epoch).total_seconds();
}
std::string static EncodeDumpString(const std::string &str) {
std::stringstream ret;
BOOST_FOREACH(unsigned char c, str) {
if (c <= 32 || c >= 128 || c == '%') {
ret << '%' << HexStr(&c, &c + 1);
} else {
ret << c;
}
}
return ret.str();
}
std::string DecodeDumpString(const std::string &str) {
std::stringstream ret;
for (unsigned int pos = 0; pos < str.length(); pos++) {
unsigned char c = str[pos];
if (c == '%' && pos+2 < str.length()) {
c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
pos += 2;
}
ret << c;
}
return ret.str();
}
Value importprivkey(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 3)
throw runtime_error(
"importprivkey \"bitcoinprivkey\" ( \"label\" rescan )\n"
"\nAdds a private key (as returned by dumpprivkey) to your wallet.\n"
"\nArguments:\n"
"1. \"bitcoinprivkey\" (string, required) The private key (see dumpprivkey)\n"
"2. \"label\" (string, optional) an optional label\n"
"3. rescan (boolean, optional, default=true) Rescan the wallet for transactions\n"
"\nExamples:\n"
"\nDump a private key\n"
+ HelpExampleCli("dumpprivkey", "\"myaddress\"") +
"\nImport the private key\n"
+ HelpExampleCli("importprivkey", "\"mykey\"") +
"\nImport using a label\n"
+ HelpExampleCli("importprivkey", "\"mykey\" \"testing\" false") +
"\nAs a json rpc call\n"
+ HelpExampleRpc("importprivkey", "\"mykey\", \"testing\", false")
);
string strSecret = params[0].get_str();
string strLabel = "";
if (params.size() > 1)
strLabel = params[1].get_str();
// Whether to perform rescan after import
bool fRescan = true;
if (params.size() > 2)
fRescan = params[2].get_bool();
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(strSecret);
if (!fGood) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
CKey key = vchSecret.GetKey();
CPubKey pubkey = key.GetPubKey();
CKeyID vchAddress = pubkey.GetID();
{
LOCK2(cs_main, pwalletMain->cs_wallet);
pwalletMain->MarkDirty();
pwalletMain->SetAddressBook(vchAddress, strLabel, "receive");
// Don't throw error in case a key is already there
if (pwalletMain->HaveKey(vchAddress))
return Value::null;
if (!pwalletMain->AddKeyPubKey(key, pubkey))
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
if (fRescan) {
pwalletMain->ScanForWalletTransactions(chainActive.Genesis(), true);
pwalletMain->ReacceptWalletTransactions();
}
}
return Value::null;
}
Value importwallet(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"importwallet \"filename\"\n"
"\nImports keys from a wallet dump file (see dumpwallet).\n"
"\nArguments:\n"
"1. \"filename\" (string, required) The wallet file\n"
"\nExamples:\n"
"\nDump the wallet\n"
+ HelpExampleCli("dumpwallet", "\"test\"") +
"\nImport the wallet\n"
+ HelpExampleCli("importwallet", "\"test\"") +
"\nImport using the json rpc call\n"
+ HelpExampleRpc("importwallet", "\"test\"")
);
EnsureWalletIsUnlocked();
ifstream file;
file.open(params[0].get_str().c_str());
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
int64_t nTimeBegin = chainActive.Tip()->nTime;
bool fGood = true;
while (file.good()) {
std::string line;
std::getline(file, line);
if (line.empty() || line[0] == '#')
continue;
std::vector<std::string> vstr;
boost::split(vstr, line, boost::is_any_of(" "));
if (vstr.size() < 2)
continue;
CBitcoinSecret vchSecret;
if (!vchSecret.SetString(vstr[0]))
continue;
CKey key = vchSecret.GetKey();
CPubKey pubkey = key.GetPubKey();
CKeyID keyid = pubkey.GetID();
if (pwalletMain->HaveKey(keyid)) {
LogPrintf("Skipping import of %s (key already present)\n", CBitcoinAddress(keyid).ToString().c_str());
continue;
}
int64_t nTime = DecodeDumpTime(vstr[1]);
std::string strLabel;
bool fLabel = true;
for (unsigned int nStr = 2; nStr < vstr.size(); nStr++) {
if (boost::algorithm::starts_with(vstr[nStr], "#"))
break;
if (vstr[nStr] == "change=1")
fLabel = false;
if (vstr[nStr] == "reserve=1")
fLabel = false;
if (boost::algorithm::starts_with(vstr[nStr], "label=")) {
strLabel = DecodeDumpString(vstr[nStr].substr(6));
fLabel = true;
}
}
LogPrintf("Importing %s...\n", CBitcoinAddress(keyid).ToString().c_str());
if (!pwalletMain->AddKeyPubKey(key, pubkey)) {
fGood = false;
continue;
}
pwalletMain->mapKeyMetadata[keyid].nCreateTime = nTime;
if (fLabel)
pwalletMain->SetAddressBook(keyid, strLabel, "receive");
nTimeBegin = std::min(nTimeBegin, nTime);
}
file.close();
CBlockIndex *pindex = chainActive.Tip();
while (pindex && pindex->pprev && pindex->nTime > nTimeBegin - 7200)
pindex = pindex->pprev;
LogPrintf("Rescanning last %i blocks\n", chainActive.Height() - pindex->nHeight + 1);
pwalletMain->ScanForWalletTransactions(pindex);
pwalletMain->ReacceptWalletTransactions();
pwalletMain->MarkDirty();
if (!fGood)
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding some keys to wallet");
return Value::null;
}
Value dumpprivkey(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"dumpprivkey \"bitcoinaddress\"\n"
"\nReveals the private key corresponding to 'bitcoinaddress'.\n"
"Then the importprivkey can be used with this output\n"
"\nArguments:\n"
"1. \"bitcoinaddress\" (string, required) The bitcoin address for the private key\n"
"\nResult:\n"
"\"key\" (string) The private key\n"
"\nExamples:\n"
+ HelpExampleCli("dumpprivkey", "\"myaddress\"")
+ HelpExampleCli("importprivkey", "\"mykey\"")
+ HelpExampleRpc("dumpprivkey", "\"myaddress\"")
);
EnsureWalletIsUnlocked();
string strAddress = params[0].get_str();
CBitcoinAddress address;
if (!address.SetString(strAddress))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
CKeyID keyID;
if (!address.GetKeyID(keyID))
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to a key");
CKey vchSecret;
if (!pwalletMain->GetKey(keyID, vchSecret))
throw JSONRPCError(RPC_WALLET_ERROR, "Private key for address " + strAddress + " is not known");
return CBitcoinSecret(vchSecret).ToString();
}
Value dumpwallet(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"dumpwallet \"filename\"\n"
"\nDumps all wallet keys in a human-readable format.\n"
"\nArguments:\n"
"1. \"filename\" (string, required) The filename\n"
"\nExamples:\n"
+ HelpExampleCli("dumpwallet", "\"test\"")
+ HelpExampleRpc("dumpwallet", "\"test\"")
);
EnsureWalletIsUnlocked();
ofstream file;
file.open(params[0].get_str().c_str());
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
std::map<CKeyID, int64_t> mapKeyBirth;
std::set<CKeyID> setKeyPool;
pwalletMain->GetKeyBirthTimes(mapKeyBirth);
pwalletMain->GetAllReserveKeys(setKeyPool);
// sort time/key pairs
std::vector<std::pair<int64_t, CKeyID> > vKeyBirth;
for (std::map<CKeyID, int64_t>::const_iterator it = mapKeyBirth.begin(); it != mapKeyBirth.end(); it++) {
vKeyBirth.push_back(std::make_pair(it->second, it->first));
}
mapKeyBirth.clear();
std::sort(vKeyBirth.begin(), vKeyBirth.end());
// produce output
file << strprintf("# Wallet dump created by Bitcoin %s (%s)\n", CLIENT_BUILD.c_str(), CLIENT_DATE.c_str());
file << strprintf("# * Created on %s\n", EncodeDumpTime(GetTime()).c_str());
file << strprintf("# * Best block at time of backup was %i (%s),\n", chainActive.Height(), chainActive.Tip()->GetBlockHash().ToString().c_str());
file << strprintf("# mined on %s\n", EncodeDumpTime(chainActive.Tip()->nTime).c_str());
file << "\n";
for (std::vector<std::pair<int64_t, CKeyID> >::const_iterator it = vKeyBirth.begin(); it != vKeyBirth.end(); it++) {
const CKeyID &keyid = it->second;
std::string strTime = EncodeDumpTime(it->first);
std::string strAddr = CBitcoinAddress(keyid).ToString();
CKey key;
if (pwalletMain->GetKey(keyid, key)) {
if (pwalletMain->mapAddressBook.count(keyid)) {
file << strprintf("%s %s label=%s # addr=%s\n", CBitcoinSecret(key).ToString().c_str(), strTime.c_str(), EncodeDumpString(pwalletMain->mapAddressBook[keyid].name).c_str(), strAddr.c_str());
} else if (setKeyPool.count(keyid)) {
file << strprintf("%s %s reserve=1 # addr=%s\n", CBitcoinSecret(key).ToString().c_str(), strTime.c_str(), strAddr.c_str());
} else {
file << strprintf("%s %s change=1 # addr=%s\n", CBitcoinSecret(key).ToString().c_str(), strTime.c_str(), strAddr.c_str());
}
}
}
file << "\n";
file << "# End of dump\n";
file.close();
return Value::null;
}

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