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rpcdump.cpp
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rpcdump.cpp
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// Copyright (c) 2009-2015 The Bitcoin Core developers
// Copyright (c) 2014-2021 The Dash Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chain.h>
#include <rpc/server.h>
#include <validation.h>
#include <key_io.h>
#include <script/script.h>
#include <script/standard.h>
#include <sync.h>
#include <util.h>
#include <utiltime.h>
#include <wallet/wallet.h>
#include <merkleblock.h>
#include <core_io.h>
#include <wallet/rpcwallet.h>
#include <fstream>
#include <stdint.h>
#include <boost/algorithm/string.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <univalue.h>
int64_t static DecodeDumpTime(const std::string &str) {
static const boost::posix_time::ptime epoch = boost::posix_time::from_time_t(0);
static const std::locale loc(std::locale::classic(),
new boost::posix_time::time_input_facet("%Y-%m-%dT%H:%M:%SZ"));
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;
for (unsigned char c : str) {
if (c <= 32 || c >= 128 || c == '%') {
ret << '%' << HexStr(Span<const unsigned char>(&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();
}
UniValue importprivkey(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
throw std::runtime_error(
"importprivkey \"privkey\" ( \"label\" ) ( rescan )\n"
"\nAdds a private key (as returned by dumpprivkey) to your wallet. Requires a new wallet backup.\n"
"Hint: use importmulti to import more than one private key.\n"
"\nArguments:\n"
"1. \"privkey\" (string, required) The private key (see dumpprivkey)\n"
"2. \"label\" (string, optional, default=\"\") An optional label\n"
"3. rescan (boolean, optional, default=true) Rescan the wallet for transactions\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported key exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n"
"\nExamples:\n"
"\nDump a private key\n"
+ HelpExampleCli("dumpprivkey", "\"myaddress\"") +
"\nImport the private key with rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\"") +
"\nImport using a label and without rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\" \"testing\" false") +
"\nImport using default blank label and without rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\" \"\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importprivkey", "\"mykey\", \"testing\", false")
);
WalletRescanReserver reserver(pwallet);
bool fRescan = true;
{
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
std::string strSecret = request.params[0].get_str();
std::string strLabel = "";
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && fPruneMode)
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
CKey key = DecodeSecret(strSecret);
if (!key.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
CKeyID vchAddress = pubkey.GetID();
{
pwallet->MarkDirty();
pwallet->SetAddressBook(vchAddress, strLabel, "receive");
// Don't throw error in case a key is already there
if (pwallet->HaveKey(vchAddress)) {
return NullUniValue;
}
// whenever a key is imported, we need to scan the whole chain
pwallet->UpdateTimeFirstKey(1);
pwallet->mapKeyMetadata[vchAddress].nCreateTime = 1;
if (!pwallet->AddKeyPubKey(key, pubkey)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
}
}
}
if (fRescan) {
int64_t scanned_time = pwallet->RescanFromTime(TIMESTAMP_MIN, reserver, true /* update */);
if (pwallet->IsAbortingRescan()) {
throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
}
if (scanned_time > TIMESTAMP_MIN) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan was unable to fully rescan the blockchain. Some transactions may be missing.");
}
}
return NullUniValue;
}
UniValue abortrescan(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() > 0)
throw std::runtime_error(
"abortrescan\n"
"\nStops current wallet rescan triggered by an RPC call, e.g. by an importprivkey call.\n"
"\nExamples:\n"
"\nImport a private key\n"
+ HelpExampleCli("importprivkey", "\"mykey\"") +
"\nAbort the running wallet rescan\n"
+ HelpExampleCli("abortrescan", "") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("abortrescan", "")
);
if (!pwallet->IsScanning() || pwallet->IsAbortingRescan()) return false;
pwallet->AbortRescan();
return true;
}
void ImportAddress(CWallet*, const CTxDestination& dest, const std::string& strLabel);
void ImportScript(CWallet * const pwallet, const CScript& script, const std::string& strLabel, bool isRedeemScript) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
{
if (!isRedeemScript && ::IsMine(*pwallet, script) == ISMINE_SPENDABLE) {
throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
}
pwallet->MarkDirty();
if (!pwallet->HaveWatchOnly(script) && !pwallet->AddWatchOnly(script, 0 /* nCreateTime */)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
}
if (isRedeemScript) {
if (!pwallet->HaveCScript(script) && !pwallet->AddCScript(script)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
}
ImportAddress(pwallet, CScriptID(script), strLabel);
} else {
CTxDestination destination;
if (ExtractDestination(script, destination)) {
pwallet->SetAddressBook(destination, strLabel, "receive");
}
}
}
void ImportAddress(CWallet * const pwallet, const CTxDestination& dest, const std::string& strLabel) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
{
CScript script = GetScriptForDestination(dest);
ImportScript(pwallet, script, strLabel, false);
// add to address book or update label
if (IsValidDestination(dest))
pwallet->SetAddressBook(dest, strLabel, "receive");
}
UniValue importaddress(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
throw std::runtime_error(
"importaddress \"address\" ( \"label\" rescan p2sh )\n"
"\nAdds an address or script (in hex) that can be watched as if it were in your wallet but cannot be used to spend. Requires a new wallet backup.\n"
"\nArguments:\n"
"1. \"address\" (string, required) The Dash address (or hex-encoded script)\n"
"2. \"label\" (string, optional, default=\"\") An optional label\n"
"3. rescan (boolean, optional, default=true) Rescan the wallet for transactions\n"
"4. p2sh (boolean, optional, default=false) Add the P2SH version of the script as well\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported address exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n"
"If you have the full public key, you should call importpubkey instead of this.\n"
"\nNote: If you import a non-standard raw script in hex form, outputs sending to it will be treated\n"
"as change, and not show up in many RPCs.\n"
"\nExamples:\n"
"\nImport an address with rescan\n"
+ HelpExampleCli("importaddress", "\"myaddress\"") +
"\nImport using a label without rescan\n"
+ HelpExampleCli("importaddress", "\"myaddress\" \"testing\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importaddress", "\"myaddress\", \"testing\", false")
);
std::string strLabel;
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
bool fRescan = true;
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && fPruneMode)
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
WalletRescanReserver reserver(pwallet);
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
// Whether to import a p2sh version, too
bool fP2SH = false;
if (!request.params[3].isNull())
fP2SH = request.params[3].get_bool();
{
LOCK2(cs_main, pwallet->cs_wallet);
CTxDestination dest = DecodeDestination(request.params[0].get_str());
if (IsValidDestination(dest)) {
if (fP2SH) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Cannot use the p2sh flag with an address - use a script instead");
}
ImportAddress(pwallet, dest, strLabel);
} else if (IsHex(request.params[0].get_str())) {
std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
ImportScript(pwallet, CScript(data.begin(), data.end()), strLabel, fP2SH);
} else {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Dash address or script");
}
}
if (fRescan)
{
int64_t scanned_time = pwallet->RescanFromTime(TIMESTAMP_MIN, reserver, true /* update */);
if (pwallet->IsAbortingRescan()) {
throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
}
if (scanned_time > TIMESTAMP_MIN) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan was unable to fully rescan the blockchain. Some transactions may be missing.");
}
pwallet->ReacceptWalletTransactions();
}
return NullUniValue;
}
UniValue importprunedfunds(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 2)
throw std::runtime_error(
"importprunedfunds\n"
"\nImports funds without rescan. Corresponding address or script must previously be included in wallet. Aimed towards pruned wallets. The end-user is responsible to import additional transactions that subsequently spend the imported outputs or rescan after the point in the blockchain the transaction is included.\n"
"\nArguments:\n"
"1. \"rawtransaction\" (string, required) A raw transaction in hex funding an already-existing address in wallet\n"
"2. \"txoutproof\" (string, required) The hex output from gettxoutproof that contains the transaction\n"
);
CMutableTransaction tx;
if (!DecodeHexTx(tx, request.params[0].get_str()))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
uint256 hashTx = tx.GetHash();
CWalletTx wtx(pwallet, MakeTransactionRef(std::move(tx)));
CDataStream ssMB(ParseHexV(request.params[1], "proof"), SER_NETWORK, PROTOCOL_VERSION);
CMerkleBlock merkleBlock;
ssMB >> merkleBlock;
//Search partial merkle tree in proof for our transaction and index in valid block
std::vector<uint256> vMatch;
std::vector<unsigned int> vIndex;
unsigned int txnIndex = 0;
if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) == merkleBlock.header.hashMerkleRoot) {
LOCK(cs_main);
const CBlockIndex* pindex = LookupBlockIndex(merkleBlock.header.GetHash());
if (!pindex || !chainActive.Contains(pindex)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
}
std::vector<uint256>::const_iterator it;
if ((it = std::find(vMatch.begin(), vMatch.end(), hashTx))==vMatch.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction given doesn't exist in proof");
}
txnIndex = vIndex[it - vMatch.begin()];
}
else {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Something wrong with merkleblock");
}
wtx.nIndex = txnIndex;
wtx.hashBlock = merkleBlock.header.GetHash();
LOCK2(cs_main, pwallet->cs_wallet);
if (pwallet->IsMine(*wtx.tx)) {
pwallet->AddToWallet(wtx, false);
return NullUniValue;
}
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No addresses in wallet correspond to included transaction");
}
UniValue removeprunedfunds(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 1)
throw std::runtime_error(
"removeprunedfunds \"txid\"\n"
"\nDeletes the specified transaction from the wallet. Meant for use with pruned wallets and as a companion to importprunedfunds. This will affect wallet balances.\n"
"\nArguments:\n"
"1. \"txid\" (string, required) The hex-encoded id of the transaction you are deleting\n"
"\nExamples:\n"
+ HelpExampleCli("removeprunedfunds", "\"a8d0c0184dde994a09ec054286f1ce581bebf46446a512166eae7628734ea0a5\"") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("removeprunedfunds", "\"a8d0c0184dde994a09ec054286f1ce581bebf46446a512166eae7628734ea0a5\"")
);
LOCK2(cs_main, pwallet->cs_wallet);
uint256 hash;
hash.SetHex(request.params[0].get_str());
std::vector<uint256> vHash;
vHash.push_back(hash);
std::vector<uint256> vHashOut;
if (pwallet->ZapSelectTx(vHash, vHashOut) != DBErrors::LOAD_OK) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not properly delete the transaction.");
}
if(vHashOut.empty()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Transaction does not exist in wallet.");
}
return NullUniValue;
}
UniValue importpubkey(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
throw std::runtime_error(
"importpubkey \"pubkey\" ( \"label\" rescan )\n"
"\nAdds a public key (in hex) that can be watched as if it were in your wallet but cannot be used to spend. Requires a new wallet backup.\n"
"\nArguments:\n"
"1. \"pubkey\" (string, required) The hex-encoded public key\n"
"2. \"label\" (string, optional, default=\"\") An optional label\n"
"3. rescan (boolean, optional, default=true) Rescan the wallet for transactions\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported pubkey exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n"
"\nExamples:\n"
"\nImport a public key with rescan\n"
+ HelpExampleCli("importpubkey", "\"mypubkey\"") +
"\nImport using a label without rescan\n"
+ HelpExampleCli("importpubkey", "\"mypubkey\" \"testing\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importpubkey", "\"mypubkey\", \"testing\", false")
);
std::string strLabel;
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
bool fRescan = true;
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && fPruneMode)
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
WalletRescanReserver reserver(pwallet);
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
if (!IsHex(request.params[0].get_str()))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey must be a hex string");
std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
CPubKey pubKey(data.begin(), data.end());
if (!pubKey.IsFullyValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey is not a valid public key");
{
LOCK2(cs_main, pwallet->cs_wallet);
ImportAddress(pwallet, pubKey.GetID(), strLabel);
ImportScript(pwallet, GetScriptForRawPubKey(pubKey), strLabel, false);
}
if (fRescan)
{
int64_t scanned_time = pwallet->RescanFromTime(TIMESTAMP_MIN, reserver, true /* update */);
if (pwallet->IsAbortingRescan()) {
throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
}
if (scanned_time > TIMESTAMP_MIN) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan was unable to fully rescan the blockchain. Some transactions may be missing.");
}
pwallet->ReacceptWalletTransactions();
}
return NullUniValue;
}
UniValue importwallet(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 1)
throw std::runtime_error(
"importwallet \"filename\"\n"
"\nImports keys from a wallet dump file (see dumpwallet). Requires a new wallet backup to include imported keys.\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\"")
);
if (fPruneMode)
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled in pruned mode");
WalletRescanReserver reserver(pwallet);
if (!reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
int64_t nTimeBegin = 0;
bool fGood = true;
{
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
std::ifstream file;
file.open(request.params[0].get_str().c_str(), std::ios::in | std::ios::ate);
if (!file.is_open()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
}
nTimeBegin = chainActive.Tip()->GetBlockTime();
int64_t nFilesize = std::max((int64_t)1, (int64_t)file.tellg());
file.seekg(0, file.beg);
// Use uiInterface.ShowProgress instead of pwallet.ShowProgress because pwallet.ShowProgress has a cancel button tied to AbortRescan which
// we don't want for this progress bar shoing the import progress. uiInterface.ShowProgress does not have a cancel button.
uiInterface.ShowProgress(_("Importing..."), 0, false); // show progress dialog in GUI
while (file.good()) {
uiInterface.ShowProgress("", std::max(1, std::min(99, (int)(((double)file.tellg() / (double)nFilesize) * 100))), false);
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;
CKey key = DecodeSecret(vstr[0]);
if (key.IsValid()) {
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
if (pwallet->HaveKey(keyid)) {
LogPrintf("Skipping import of %s (key already present)\n", EncodeDestination(keyid));
continue;
}
int64_t nTime = DecodeDumpTime(vstr[1]);
std::string strLabel;
bool fLabel = true;
for (unsigned int nStr = 2; nStr < vstr.size(); nStr++) {
if (vstr[nStr].front() == '#')
break;
if (vstr[nStr] == "change=1")
fLabel = false;
if (vstr[nStr] == "reserve=1")
fLabel = false;
if (vstr[nStr].substr(0,6) == "label=") {
strLabel = DecodeDumpString(vstr[nStr].substr(6));
fLabel = true;
}
}
LogPrintf("Importing %s...\n", EncodeDestination(keyid));
if (!pwallet->AddKeyPubKey(key, pubkey)) {
fGood = false;
continue;
}
pwallet->mapKeyMetadata[keyid].nCreateTime = nTime;
if (fLabel)
pwallet->SetAddressBook(keyid, strLabel, "receive");
nTimeBegin = std::min(nTimeBegin, nTime);
} else if(IsHex(vstr[0])) {
std::vector<unsigned char> vData(ParseHex(vstr[0]));
CScript script = CScript(vData.begin(), vData.end());
if (pwallet->HaveCScript(script)) {
LogPrintf("Skipping import of %s (script already present)\n", vstr[0]);
continue;
}
if(!pwallet->AddCScript(script)) {
LogPrintf("Error importing script %s\n", vstr[0]);
fGood = false;
continue;
}
int64_t birth_time = DecodeDumpTime(vstr[1]);
if (birth_time > 0) {
pwallet->m_script_metadata[CScriptID(script)].nCreateTime = birth_time;
nTimeBegin = std::min(nTimeBegin, birth_time);
}
}
}
file.close();
uiInterface.ShowProgress("", 100, false); // hide progress dialog in GUI
pwallet->UpdateTimeFirstKey(nTimeBegin);
}
uiInterface.ShowProgress("", 100, false); // hide progress dialog in GUI
int64_t scanned_time = pwallet->RescanFromTime(nTimeBegin, reserver, false /* update */);
if (pwallet->IsAbortingRescan()) {
throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
}
if (scanned_time > nTimeBegin) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan was unable to fully rescan the blockchain. Some transactions may be missing.");
}
pwallet->MarkDirty();
if (!fGood)
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding some keys/scripts to wallet");
return NullUniValue;
}
UniValue importelectrumwallet(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp))
return NullUniValue;
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
throw std::runtime_error(
"importelectrumwallet \"filename\" index\n"
"\nImports keys from an Electrum wallet export file (.csv or .json)\n"
"\nArguments:\n"
"1. \"filename\" (string, required) The Electrum wallet export file, should be in csv or json format\n"
"2. index (numeric, optional, default=0) Rescan the wallet for transactions starting from this block index\n"
"\nExamples:\n"
"\nImport the wallet\n"
+ HelpExampleCli("importelectrumwallet", "\"test.csv\"")
+ HelpExampleCli("importelectrumwallet", "\"test.json\"") +
"\nImport using the json rpc call\n"
+ HelpExampleRpc("importelectrumwallet", "\"test.csv\"")
+ HelpExampleRpc("importelectrumwallet", "\"test.json\"")
);
if (fPruneMode)
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled in pruned mode");
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
std::ifstream file;
std::string strFileName = request.params[0].get_str();
size_t nDotPos = strFileName.find_last_of(".");
if(nDotPos == std::string::npos)
throw JSONRPCError(RPC_INVALID_PARAMETER, "File has no extension, should be .json or .csv");
std::string strFileExt = strFileName.substr(nDotPos+1);
if(strFileExt != "json" && strFileExt != "csv")
throw JSONRPCError(RPC_INVALID_PARAMETER, "File has wrong extension, should be .json or .csv");
file.open(strFileName.c_str(), std::ios::in | std::ios::ate);
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open Electrum wallet export file");
bool fGood = true;
int64_t nFilesize = std::max((int64_t)1, (int64_t)file.tellg());
file.seekg(0, file.beg);
pwallet->ShowProgress(_("Importing..."), 0); // show progress dialog in GUI
if(strFileExt == "csv") {
while (file.good()) {
pwallet->ShowProgress("", std::max(1, std::min(99, (int)(((double)file.tellg() / (double)nFilesize) * 100))));
std::string line;
std::getline(file, line);
if (line.empty() || line == "address,private_key")
continue;
std::vector<std::string> vstr;
boost::split(vstr, line, boost::is_any_of(","));
if (vstr.size() < 2)
continue;
CKey key = DecodeSecret(vstr[1]);
if (!key.IsValid()) {
continue;
}
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
if (pwallet->HaveKey(keyid)) {
LogPrintf("Skipping import of %s (key already present)\n", EncodeDestination(keyid));
continue;
}
LogPrintf("Importing %s...\n", EncodeDestination(keyid));
if (!pwallet->AddKeyPubKey(key, pubkey)) {
fGood = false;
continue;
}
}
} else {
// json
char* buffer = new char [nFilesize];
file.read(buffer, nFilesize);
UniValue data(UniValue::VOBJ);
if(!data.read(buffer))
throw JSONRPCError(RPC_TYPE_ERROR, "Cannot parse Electrum wallet export file");
delete[] buffer;
std::vector<std::string> vKeys = data.getKeys();
for (size_t i = 0; i < data.size(); i++) {
pwallet->ShowProgress("", std::max(1, std::min(99, int(i*100/data.size()))));
if(!data[vKeys[i]].isStr())
continue;
CKey key = DecodeSecret(data[vKeys[i]].get_str());
if (!key.IsValid()) {
continue;
}
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
if (pwallet->HaveKey(keyid)) {
LogPrintf("Skipping import of %s (key already present)\n", EncodeDestination(keyid));
continue;
}
LogPrintf("Importing %s...\n", EncodeDestination(keyid));
if (!pwallet->AddKeyPubKey(key, pubkey)) {
fGood = false;
continue;
}
}
}
file.close();
pwallet->ShowProgress("", 100); // hide progress dialog in GUI
// Whether to perform rescan after import
int nStartHeight = 0;
if (!request.params[1].isNull())
nStartHeight = request.params[1].get_int();
if (chainActive.Height() < nStartHeight)
nStartHeight = chainActive.Height();
// Assume that electrum wallet was created at that block
int nTimeBegin = chainActive[nStartHeight]->GetBlockTime();
pwallet->UpdateTimeFirstKey(nTimeBegin);
LogPrintf("Rescanning %i blocks\n", chainActive.Height() - nStartHeight + 1);
WalletRescanReserver reserver(pwallet);
if (!reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
pwallet->ScanForWalletTransactions(chainActive[nStartHeight], nullptr, reserver, true);
if (!fGood)
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding some keys to wallet");
return NullUniValue;
}
UniValue dumpprivkey(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 1)
throw std::runtime_error(
"dumpprivkey \"address\"\n"
"\nReveals the private key corresponding to 'address'.\n"
"Then the importprivkey can be used with this output\n"
"\nArguments:\n"
"1. \"address\" (string, required) The dash 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\"")
);
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
std::string strAddress = request.params[0].get_str();
CTxDestination dest = DecodeDestination(strAddress);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Dash address");
}
const CKeyID *keyID = boost::get<CKeyID>(&dest);
if (!keyID) {
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to a key");
}
CKey vchSecret;
if (!pwallet->GetKey(*keyID, vchSecret)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Private key for address " + strAddress + " is not known");
}
return EncodeSecret(vchSecret);
}
UniValue dumphdinfo(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp))
return NullUniValue;
if (request.fHelp || request.params.size() != 0)
throw std::runtime_error(
"dumphdinfo\n"
"Returns an object containing sensitive private info about this HD wallet.\n"
"\nResult:\n"
"{\n"
" \"hdseed\": \"seed\", (string) The HD seed (bip32, in hex)\n"
" \"mnemonic\": \"words\", (string) The mnemonic for this HD wallet (bip39, english words) \n"
" \"mnemonicpassphrase\": \"passphrase\", (string) The mnemonic passphrase for this HD wallet (bip39)\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("dumphdinfo", "")
+ HelpExampleRpc("dumphdinfo", "")
);
LOCK(pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
CHDChain hdChainCurrent;
if (!pwallet->GetHDChain(hdChainCurrent))
throw JSONRPCError(RPC_WALLET_ERROR, "This wallet is not a HD wallet.");
if (!pwallet->GetDecryptedHDChain(hdChainCurrent))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Cannot decrypt HD seed");
SecureString ssMnemonic;
SecureString ssMnemonicPassphrase;
hdChainCurrent.GetMnemonic(ssMnemonic, ssMnemonicPassphrase);
UniValue obj(UniValue::VOBJ);
obj.pushKV("hdseed", HexStr(hdChainCurrent.GetSeed()));
obj.pushKV("mnemonic", ssMnemonic.c_str());
obj.pushKV("mnemonicpassphrase", ssMnemonicPassphrase.c_str());
return obj;
}
UniValue dumpwallet(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 1)
throw std::runtime_error(
"dumpwallet \"filename\"\n"
"\nDumps all wallet keys in a human-readable format to a server-side file. This does not allow overwriting existing files.\n"
"Imported scripts are included in the dumpfile too, their corresponding addresses will be added automatically by importwallet.\n"
"Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by\n"
"only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n"
"\nArguments:\n"
"1. \"filename\" (string, required) The filename with path (either absolute or relative to dashd)\n"
"\nResult:\n"
"{ (json object)\n"
" \"keys\" : { (int) The number of keys contained in the wallet dump\n"
" \"filename\" : { (string) The filename with full absolute path\n"
" \"warning\" : { (string) A warning about not sharing the wallet dump with anyone\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("dumpwallet", "\"test\"")
+ HelpExampleRpc("dumpwallet", "\"test\"")
);
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
boost::filesystem::path filepath = request.params[0].get_str();
filepath = boost::filesystem::absolute(filepath);
/* Prevent arbitrary files from being overwritten. There have been reports
* that users have overwritten wallet files this way:
* https://github.com/bitcoin/bitcoin/issues/9934
* It may also avoid other security issues.
*/
if (boost::filesystem::exists(filepath)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, filepath.string() + " already exists. If you are sure this is what you want, move it out of the way first");
}
std::ofstream file;
file.open(filepath.string().c_str());
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
std::map<CTxDestination, int64_t> mapKeyBirth;
const std::map<CKeyID, int64_t>& mapKeyPool = pwallet->GetAllReserveKeys();
pwallet->GetKeyBirthTimes(mapKeyBirth);
std::set<CScriptID> scripts = pwallet->GetCScripts();
// TODO: include scripts in GetKeyBirthTimes() output instead of separate
// sort time/key pairs
std::vector<std::pair<int64_t, CKeyID> > vKeyBirth;
for (const auto& entry : mapKeyBirth) {
if (const CKeyID* keyID = boost::get<CKeyID>(&entry.first)) { // set and test
vKeyBirth.push_back(std::make_pair(entry.second, *keyID));
}
}
mapKeyBirth.clear();
std::sort(vKeyBirth.begin(), vKeyBirth.end());
// produce output
file << strprintf("# Wallet dump created by Dash Core %s\n", CLIENT_BUILD);
file << strprintf("# * Created on %s\n", FormatISO8601DateTime(GetTime()));
file << strprintf("# * Best block at time of backup was %i (%s),\n", chainActive.Height(), chainActive.Tip()->GetBlockHash().ToString());
file << strprintf("# mined on %s\n", FormatISO8601DateTime(chainActive.Tip()->GetBlockTime()));
file << "\n";
UniValue obj(UniValue::VOBJ);
obj.pushKV("dashcoreversion", CLIENT_BUILD);
obj.pushKV("lastblockheight", chainActive.Height());
obj.pushKV("lastblockhash", chainActive.Tip()->GetBlockHash().ToString());
obj.pushKV("lastblocktime", FormatISO8601DateTime(chainActive.Tip()->GetBlockTime()));
// add the base58check encoded extended master if the wallet uses HD
CHDChain hdChainCurrent;
if (pwallet->GetHDChain(hdChainCurrent))
{
if (!pwallet->GetDecryptedHDChain(hdChainCurrent))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Cannot decrypt HD chain");
SecureString ssMnemonic;
SecureString ssMnemonicPassphrase;
hdChainCurrent.GetMnemonic(ssMnemonic, ssMnemonicPassphrase);
file << "# mnemonic: " << ssMnemonic << "\n";
file << "# mnemonic passphrase: " << ssMnemonicPassphrase << "\n\n";
SecureVector vchSeed = hdChainCurrent.GetSeed();
file << "# HD seed: " << HexStr(vchSeed) << "\n\n";
CExtKey masterKey;
masterKey.SetMaster(&vchSeed[0], vchSeed.size());
file << "# extended private masterkey: " << EncodeExtKey(masterKey) << "\n";
CExtPubKey masterPubkey;
masterPubkey = masterKey.Neuter();
file << "# extended public masterkey: " << EncodeExtPubKey(masterPubkey) << "\n\n";
for (size_t i = 0; i < hdChainCurrent.CountAccounts(); ++i)
{
CHDAccount acc;
if(hdChainCurrent.GetAccount(i, acc)) {
file << "# external chain counter: " << acc.nExternalChainCounter << "\n";
file << "# internal chain counter: " << acc.nInternalChainCounter << "\n\n";
} else {
file << "# WARNING: ACCOUNT " << i << " IS MISSING!" << "\n\n";
}
}
obj.pushKV("hdaccounts", int(hdChainCurrent.CountAccounts()));
}
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 = FormatISO8601DateTime(it->first);
std::string strAddr = EncodeDestination(keyid);
CKey key;
if (pwallet->GetKey(keyid, key)) {
file << strprintf("%s %s ", EncodeSecret(key), strTime);
if (pwallet->mapAddressBook.count(keyid)) {
file << strprintf("label=%s", EncodeDumpString(pwallet->mapAddressBook[keyid].name));
} else if (mapKeyPool.count(keyid)) {
file << "reserve=1";
} else {
file << "change=1";
}
file << strprintf(" # addr=%s%s\n", strAddr, (pwallet->mapHdPubKeys.count(keyid) ? " hdkeypath="+pwallet->mapHdPubKeys[keyid].GetKeyPath() : ""));
}
}
file << "\n";
for (const CScriptID &scriptid : scripts) {
CScript script;
std::string create_time = "0";
std::string address = EncodeDestination(scriptid);
// get birth times for scripts with metadata
auto it = pwallet->m_script_metadata.find(scriptid);
if (it != pwallet->m_script_metadata.end()) {
create_time = FormatISO8601DateTime(it->second.nCreateTime);
}
if(pwallet->GetCScript(scriptid, script)) {
file << strprintf("%s %s script=1", HexStr(script.begin(), script.end()), create_time);
file << strprintf(" # addr=%s\n", address);
}
}
file << "\n";
file << "# End of dump\n";
file.close();
std::string strWarning = strprintf(_("%s file contains all private keys from this wallet. Do not share it with anyone!"), request.params[0].get_str().c_str());
obj.pushKV("keys", int(vKeyBirth.size()));