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357 lines
14 KiB
357 lines
14 KiB
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "base58.h"
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#include "clientversion.h"
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#include "init.h"
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#include "main.h"
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#include "net.h"
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#include "netbase.h"
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#include "rpcserver.h"
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#include "timedata.h"
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#include "util.h"
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#ifdef ENABLE_WALLET
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#include "wallet.h"
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#include "walletdb.h"
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#endif
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#include <stdint.h>
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#include <boost/assign/list_of.hpp>
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#include "json/json_spirit_utils.h"
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#include "json/json_spirit_value.h"
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using namespace boost;
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using namespace boost::assign;
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using namespace json_spirit;
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using namespace std;
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/**
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* @note Do not add or change anything in the information returned by this
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* method. `getinfo` exists for backwards-compatibilty only. It combines
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* information from wildly different sources in the program, which is a mess,
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* and is thus planned to be deprecated eventually.
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*
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* Based on the source of the information, new information should be added to:
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* - `getblockchaininfo`,
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* - `getnetworkinfo` or
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* - `getwalletinfo`
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*
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* Or alternatively, create a specific query method for the information.
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**/
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Value getinfo(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() != 0)
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throw runtime_error(
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"getinfo\n"
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"Returns an object containing various state info.\n"
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"\nResult:\n"
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"{\n"
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" \"version\": xxxxx, (numeric) the server version\n"
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" \"protocolversion\": xxxxx, (numeric) the protocol version\n"
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" \"walletversion\": xxxxx, (numeric) the wallet version\n"
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" \"balance\": xxxxxxx, (numeric) the total bitcoin balance of the wallet\n"
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" \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n"
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" \"timeoffset\": xxxxx, (numeric) the time offset\n"
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" \"connections\": xxxxx, (numeric) the number of connections\n"
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" \"proxy\": \"host:port\", (string, optional) the proxy used by the server\n"
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" \"difficulty\": xxxxxx, (numeric) the current difficulty\n"
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" \"testnet\": true|false, (boolean) if the server is using testnet or not\n"
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" \"keypoololdest\": xxxxxx, (numeric) the timestamp (seconds since GMT epoch) of the oldest pre-generated key in the key pool\n"
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" \"keypoolsize\": xxxx, (numeric) how many new keys are pre-generated\n"
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" \"unlocked_until\": ttt, (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
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" \"paytxfee\": x.xxxx, (numeric) the transaction fee set in btc/kb\n"
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" \"relayfee\": x.xxxx, (numeric) minimum relay fee for non-free transactions in btc/kb\n"
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" \"errors\": \"...\" (string) any error messages\n"
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"}\n"
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"\nExamples:\n"
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+ HelpExampleCli("getinfo", "")
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+ HelpExampleRpc("getinfo", "")
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);
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proxyType proxy;
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GetProxy(NET_IPV4, proxy);
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Object obj;
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obj.push_back(Pair("version", CLIENT_VERSION));
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obj.push_back(Pair("protocolversion", PROTOCOL_VERSION));
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#ifdef ENABLE_WALLET
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if (pwalletMain) {
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obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
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obj.push_back(Pair("balance", ValueFromAmount(pwalletMain->GetBalance())));
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}
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#endif
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obj.push_back(Pair("blocks", (int)chainActive.Height()));
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obj.push_back(Pair("timeoffset", GetTimeOffset()));
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obj.push_back(Pair("connections", (int)vNodes.size()));
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obj.push_back(Pair("proxy", (proxy.IsValid() ? proxy.ToStringIPPort() : string())));
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obj.push_back(Pair("difficulty", (double)GetDifficulty()));
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obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC()));
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#ifdef ENABLE_WALLET
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if (pwalletMain) {
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obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));
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obj.push_back(Pair("keypoolsize", (int)pwalletMain->GetKeyPoolSize()));
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}
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if (pwalletMain && pwalletMain->IsCrypted())
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obj.push_back(Pair("unlocked_until", nWalletUnlockTime));
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obj.push_back(Pair("paytxfee", ValueFromAmount(payTxFee.GetFeePerK())));
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#endif
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obj.push_back(Pair("relayfee", ValueFromAmount(::minRelayTxFee.GetFeePerK())));
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obj.push_back(Pair("errors", GetWarnings("statusbar")));
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return obj;
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}
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#ifdef ENABLE_WALLET
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class DescribeAddressVisitor : public boost::static_visitor<Object>
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{
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private:
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isminetype mine;
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public:
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DescribeAddressVisitor(isminetype mineIn) : mine(mineIn) {}
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Object operator()(const CNoDestination &dest) const { return Object(); }
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Object operator()(const CKeyID &keyID) const {
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Object obj;
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CPubKey vchPubKey;
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obj.push_back(Pair("isscript", false));
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if (mine == ISMINE_SPENDABLE) {
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pwalletMain->GetPubKey(keyID, vchPubKey);
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obj.push_back(Pair("pubkey", HexStr(vchPubKey)));
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obj.push_back(Pair("iscompressed", vchPubKey.IsCompressed()));
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}
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return obj;
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}
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Object operator()(const CScriptID &scriptID) const {
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Object obj;
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obj.push_back(Pair("isscript", true));
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if (mine != ISMINE_NO) {
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CScript subscript;
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pwalletMain->GetCScript(scriptID, subscript);
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std::vector<CTxDestination> addresses;
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txnouttype whichType;
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int nRequired;
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ExtractDestinations(subscript, whichType, addresses, nRequired);
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obj.push_back(Pair("script", GetTxnOutputType(whichType)));
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obj.push_back(Pair("hex", HexStr(subscript.begin(), subscript.end())));
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Array a;
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BOOST_FOREACH(const CTxDestination& addr, addresses)
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a.push_back(CBitcoinAddress(addr).ToString());
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obj.push_back(Pair("addresses", a));
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if (whichType == TX_MULTISIG)
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obj.push_back(Pair("sigsrequired", nRequired));
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}
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return obj;
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}
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};
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#endif
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Value validateaddress(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() != 1)
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throw runtime_error(
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"validateaddress \"bitcoinaddress\"\n"
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"\nReturn information about the given bitcoin address.\n"
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"\nArguments:\n"
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"1. \"bitcoinaddress\" (string, required) The bitcoin address to validate\n"
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"\nResult:\n"
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"{\n"
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" \"isvalid\" : true|false, (boolean) If the address is valid or not. If not, this is the only property returned.\n"
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" \"address\" : \"bitcoinaddress\", (string) The bitcoin address validated\n"
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" \"ismine\" : true|false, (boolean) If the address is yours or not\n"
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" \"isscript\" : true|false, (boolean) If the key is a script\n"
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" \"pubkey\" : \"publickeyhex\", (string) The hex value of the raw public key\n"
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" \"iscompressed\" : true|false, (boolean) If the address is compressed\n"
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" \"account\" : \"account\" (string) The account associated with the address, \"\" is the default account\n"
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"}\n"
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"\nExamples:\n"
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+ HelpExampleCli("validateaddress", "\"1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc\"")
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+ HelpExampleRpc("validateaddress", "\"1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc\"")
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);
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CBitcoinAddress address(params[0].get_str());
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bool isValid = address.IsValid();
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Object ret;
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ret.push_back(Pair("isvalid", isValid));
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if (isValid)
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{
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CTxDestination dest = address.Get();
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string currentAddress = address.ToString();
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ret.push_back(Pair("address", currentAddress));
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#ifdef ENABLE_WALLET
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isminetype mine = pwalletMain ? IsMine(*pwalletMain, dest) : ISMINE_NO;
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ret.push_back(Pair("ismine", (mine & ISMINE_SPENDABLE) ? true : false));
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if (mine != ISMINE_NO) {
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ret.push_back(Pair("iswatchonly", (mine & ISMINE_WATCH_ONLY) ? true: false));
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Object detail = boost::apply_visitor(DescribeAddressVisitor(mine), dest);
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ret.insert(ret.end(), detail.begin(), detail.end());
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}
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if (pwalletMain && pwalletMain->mapAddressBook.count(dest))
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ret.push_back(Pair("account", pwalletMain->mapAddressBook[dest].name));
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#endif
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}
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return ret;
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}
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//
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// Used by addmultisigaddress / createmultisig:
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//
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CScript _createmultisig_redeemScript(const Array& params)
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{
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int nRequired = params[0].get_int();
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const Array& keys = params[1].get_array();
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// Gather public keys
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if (nRequired < 1)
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throw runtime_error("a multisignature address must require at least one key to redeem");
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if ((int)keys.size() < nRequired)
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throw runtime_error(
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strprintf("not enough keys supplied "
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"(got %u keys, but need at least %d to redeem)", keys.size(), nRequired));
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std::vector<CPubKey> pubkeys;
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pubkeys.resize(keys.size());
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for (unsigned int i = 0; i < keys.size(); i++)
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{
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const std::string& ks = keys[i].get_str();
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#ifdef ENABLE_WALLET
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// Case 1: Bitcoin address and we have full public key:
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CBitcoinAddress address(ks);
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if (pwalletMain && address.IsValid())
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{
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CKeyID keyID;
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if (!address.GetKeyID(keyID))
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throw runtime_error(
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strprintf("%s does not refer to a key",ks));
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CPubKey vchPubKey;
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if (!pwalletMain->GetPubKey(keyID, vchPubKey))
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throw runtime_error(
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strprintf("no full public key for address %s",ks));
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if (!vchPubKey.IsFullyValid())
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throw runtime_error(" Invalid public key: "+ks);
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pubkeys[i] = vchPubKey;
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}
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// Case 2: hex public key
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else
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#endif
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if (IsHex(ks))
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{
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CPubKey vchPubKey(ParseHex(ks));
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if (!vchPubKey.IsFullyValid())
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throw runtime_error(" Invalid public key: "+ks);
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pubkeys[i] = vchPubKey;
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}
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else
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{
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throw runtime_error(" Invalid public key: "+ks);
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}
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}
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CScript result = GetScriptForMultisig(nRequired, pubkeys);
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if (result.size() > MAX_SCRIPT_ELEMENT_SIZE)
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throw runtime_error(
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strprintf("redeemScript exceeds size limit: %d > %d", result.size(), MAX_SCRIPT_ELEMENT_SIZE));
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return result;
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}
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Value createmultisig(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 2 || params.size() > 2)
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{
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string msg = "createmultisig nrequired [\"key\",...]\n"
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"\nCreates a multi-signature address with n signature of m keys required.\n"
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"It returns a json object with the address and redeemScript.\n"
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"\nArguments:\n"
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"1. nrequired (numeric, required) The number of required signatures out of the n keys or addresses.\n"
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"2. \"keys\" (string, required) A json array of keys which are bitcoin addresses or hex-encoded public keys\n"
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" [\n"
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" \"key\" (string) bitcoin address or hex-encoded public key\n"
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" ,...\n"
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" ]\n"
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"\nResult:\n"
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"{\n"
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" \"address\":\"multisigaddress\", (string) The value of the new multisig address.\n"
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" \"redeemScript\":\"script\" (string) The string value of the hex-encoded redemption script.\n"
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"}\n"
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"\nExamples:\n"
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"\nCreate a multisig address from 2 addresses\n"
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+ HelpExampleCli("createmultisig", "2 \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"") +
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"\nAs a json rpc call\n"
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+ HelpExampleRpc("createmultisig", "2, \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"")
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;
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throw runtime_error(msg);
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}
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// Construct using pay-to-script-hash:
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CScript inner = _createmultisig_redeemScript(params);
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CScriptID innerID(inner);
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CBitcoinAddress address(innerID);
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Object result;
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result.push_back(Pair("address", address.ToString()));
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result.push_back(Pair("redeemScript", HexStr(inner.begin(), inner.end())));
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return result;
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}
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Value verifymessage(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() != 3)
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throw runtime_error(
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"verifymessage \"bitcoinaddress\" \"signature\" \"message\"\n"
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"\nVerify a signed message\n"
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"\nArguments:\n"
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"1. \"bitcoinaddress\" (string, required) The bitcoin address to use for the signature.\n"
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"2. \"signature\" (string, required) The signature provided by the signer in base 64 encoding (see signmessage).\n"
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"3. \"message\" (string, required) The message that was signed.\n"
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"\nResult:\n"
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"true|false (boolean) If the signature is verified or not.\n"
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"\nExamples:\n"
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"\nUnlock the wallet for 30 seconds\n"
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+ HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
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"\nCreate the signature\n"
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+ HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"my message\"") +
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"\nVerify the signature\n"
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+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") +
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"\nAs json rpc\n"
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+ HelpExampleRpc("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"signature\", \"my message\"")
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);
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string strAddress = params[0].get_str();
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string strSign = params[1].get_str();
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string strMessage = params[2].get_str();
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CBitcoinAddress addr(strAddress);
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if (!addr.IsValid())
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throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
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CKeyID keyID;
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if (!addr.GetKeyID(keyID))
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throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
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bool fInvalid = false;
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vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
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if (fInvalid)
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Malformed base64 encoding");
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CHashWriter ss(SER_GETHASH, 0);
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ss << strMessageMagic;
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ss << strMessage;
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CPubKey pubkey;
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if (!pubkey.RecoverCompact(ss.GetHash(), vchSig))
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return false;
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return (pubkey.GetID() == keyID);
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}
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