ad49c256c3
Split up util.cpp/h into: - string utilities (hex, base32, base64): no internal dependencies, no dependency on boost (apart from foreach) - money utilities (parsesmoney, formatmoney) - time utilities (gettime*, sleep, format date): - and the rest (logging, argument parsing, config file parsing) The latter is basically the environment and OS handling, and is stripped of all utility functions, so we may want to rename it to something else than util.cpp/h for clarity (Matt suggested osinterface). Breaks dependency of sha256.cpp on all the things pulled in by util.
559 lines
22 KiB
C++
559 lines
22 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 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 "checkpoints.h"
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#include "main.h"
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#include "rpcserver.h"
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#include "sync.h"
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#include "util.h"
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#include <stdint.h>
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#include "json/json_spirit_value.h"
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using namespace json_spirit;
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using namespace std;
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void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeHex);
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double GetDifficulty(const CBlockIndex* blockindex)
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{
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// Floating point number that is a multiple of the minimum difficulty,
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// minimum difficulty = 1.0.
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if (blockindex == NULL)
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{
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if (chainActive.Tip() == NULL)
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return 1.0;
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else
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blockindex = chainActive.Tip();
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}
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int nShift = (blockindex->nBits >> 24) & 0xff;
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double dDiff =
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(double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff);
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while (nShift < 29)
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{
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dDiff *= 256.0;
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nShift++;
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}
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while (nShift > 29)
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{
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dDiff /= 256.0;
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nShift--;
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}
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return dDiff;
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}
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Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
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{
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Object result;
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result.push_back(Pair("hash", block.GetHash().GetHex()));
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CMerkleTx txGen(block.vtx[0]);
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txGen.SetMerkleBranch(&block);
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result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
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result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
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result.push_back(Pair("height", blockindex->nHeight));
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result.push_back(Pair("version", block.nVersion));
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result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
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Array txs;
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BOOST_FOREACH(const CTransaction&tx, block.vtx)
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txs.push_back(tx.GetHash().GetHex());
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result.push_back(Pair("tx", txs));
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result.push_back(Pair("time", block.GetBlockTime()));
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result.push_back(Pair("nonce", (uint64_t)block.nNonce));
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result.push_back(Pair("bits", strprintf("%08x", block.nBits)));
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result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
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result.push_back(Pair("chainwork", blockindex->nChainWork.GetHex()));
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if (blockindex->pprev)
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result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
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CBlockIndex *pnext = chainActive.Next(blockindex);
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if (pnext)
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result.push_back(Pair("nextblockhash", pnext->GetBlockHash().GetHex()));
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return result;
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}
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Value getblockcount(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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"getblockcount\n"
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"\nReturns the number of blocks in the longest block chain.\n"
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"\nResult:\n"
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"n (numeric) The current block count\n"
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"\nExamples:\n"
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+ HelpExampleCli("getblockcount", "")
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+ HelpExampleRpc("getblockcount", "")
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);
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return chainActive.Height();
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}
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Value getbestblockhash(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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"getbestblockhash\n"
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"\nReturns the hash of the best (tip) block in the longest block chain.\n"
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"\nResult\n"
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"\"hex\" (string) the block hash hex encoded\n"
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"\nExamples\n"
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+ HelpExampleCli("getbestblockhash", "")
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+ HelpExampleRpc("getbestblockhash", "")
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);
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return chainActive.Tip()->GetBlockHash().GetHex();
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}
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Value getdifficulty(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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"getdifficulty\n"
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"\nReturns the proof-of-work difficulty as a multiple of the minimum difficulty.\n"
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"\nResult:\n"
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"n.nnn (numeric) the proof-of-work difficulty as a multiple of the minimum difficulty.\n"
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"\nExamples:\n"
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+ HelpExampleCli("getdifficulty", "")
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+ HelpExampleRpc("getdifficulty", "")
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);
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return GetDifficulty();
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}
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Value getrawmempool(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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"getrawmempool ( verbose )\n"
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"\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n"
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"\nArguments:\n"
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"1. verbose (boolean, optional, default=false) true for a json object, false for array of transaction ids\n"
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"\nResult: (for verbose = false):\n"
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"[ (json array of string)\n"
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" \"transactionid\" (string) The transaction id\n"
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" ,...\n"
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"]\n"
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"\nResult: (for verbose = true):\n"
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"{ (json object)\n"
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" \"transactionid\" : { (json object)\n"
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" \"size\" : n, (numeric) transaction size in bytes\n"
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" \"fee\" : n, (numeric) transaction fee in bitcoins\n"
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" \"time\" : n, (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT\n"
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" \"height\" : n, (numeric) block height when transaction entered pool\n"
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" \"startingpriority\" : n, (numeric) priority when transaction entered pool\n"
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" \"currentpriority\" : n, (numeric) transaction priority now\n"
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" \"depends\" : [ (array) unconfirmed transactions used as inputs for this transaction\n"
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" \"transactionid\", (string) parent transaction id\n"
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" ... ]\n"
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" }, ...\n"
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"]\n"
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"\nExamples\n"
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+ HelpExampleCli("getrawmempool", "true")
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+ HelpExampleRpc("getrawmempool", "true")
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);
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bool fVerbose = false;
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if (params.size() > 0)
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fVerbose = params[0].get_bool();
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if (fVerbose)
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{
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LOCK(mempool.cs);
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Object o;
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BOOST_FOREACH(const PAIRTYPE(uint256, CTxMemPoolEntry)& entry, mempool.mapTx)
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{
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const uint256& hash = entry.first;
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const CTxMemPoolEntry& e = entry.second;
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Object info;
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info.push_back(Pair("size", (int)e.GetTxSize()));
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info.push_back(Pair("fee", ValueFromAmount(e.GetFee())));
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info.push_back(Pair("time", e.GetTime()));
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info.push_back(Pair("height", (int)e.GetHeight()));
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info.push_back(Pair("startingpriority", e.GetPriority(e.GetHeight())));
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info.push_back(Pair("currentpriority", e.GetPriority(chainActive.Height())));
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const CTransaction& tx = e.GetTx();
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set<string> setDepends;
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BOOST_FOREACH(const CTxIn& txin, tx.vin)
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{
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if (mempool.exists(txin.prevout.hash))
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setDepends.insert(txin.prevout.hash.ToString());
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}
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Array depends(setDepends.begin(), setDepends.end());
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info.push_back(Pair("depends", depends));
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o.push_back(Pair(hash.ToString(), info));
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}
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return o;
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}
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else
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{
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vector<uint256> vtxid;
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mempool.queryHashes(vtxid);
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Array a;
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BOOST_FOREACH(const uint256& hash, vtxid)
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a.push_back(hash.ToString());
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return a;
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}
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}
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Value getblockhash(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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"getblockhash index\n"
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"\nReturns hash of block in best-block-chain at index provided.\n"
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"\nArguments:\n"
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"1. index (numeric, required) The block index\n"
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"\nResult:\n"
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"\"hash\" (string) The block hash\n"
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"\nExamples:\n"
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+ HelpExampleCli("getblockhash", "1000")
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+ HelpExampleRpc("getblockhash", "1000")
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);
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int nHeight = params[0].get_int();
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if (nHeight < 0 || nHeight > chainActive.Height())
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throw runtime_error("Block number out of range.");
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CBlockIndex* pblockindex = chainActive[nHeight];
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return pblockindex->GetBlockHash().GetHex();
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}
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Value getblock(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 1 || params.size() > 2)
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throw runtime_error(
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"getblock \"hash\" ( verbose )\n"
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"\nIf verbose is false, returns a string that is serialized, hex-encoded data for block 'hash'.\n"
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"If verbose is true, returns an Object with information about block <hash>.\n"
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"\nArguments:\n"
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"1. \"hash\" (string, required) The block hash\n"
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"2. verbose (boolean, optional, default=true) true for a json object, false for the hex encoded data\n"
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"\nResult (for verbose = true):\n"
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"{\n"
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" \"hash\" : \"hash\", (string) the block hash (same as provided)\n"
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" \"confirmations\" : n, (numeric) The number of confirmations\n"
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" \"size\" : n, (numeric) The block size\n"
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" \"height\" : n, (numeric) The block height or index\n"
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" \"version\" : n, (numeric) The block version\n"
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" \"merkleroot\" : \"xxxx\", (string) The merkle root\n"
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" \"tx\" : [ (array of string) The transaction ids\n"
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" \"transactionid\" (string) The transaction id\n"
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" ,...\n"
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" ],\n"
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" \"time\" : ttt, (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n"
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" \"nonce\" : n, (numeric) The nonce\n"
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" \"bits\" : \"1d00ffff\", (string) The bits\n"
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" \"difficulty\" : x.xxx, (numeric) The difficulty\n"
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" \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n"
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" \"nextblockhash\" : \"hash\" (string) The hash of the next block\n"
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"}\n"
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"\nResult (for verbose=false):\n"
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"\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n"
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"\nExamples:\n"
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+ HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
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+ HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"")
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);
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std::string strHash = params[0].get_str();
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uint256 hash(strHash);
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bool fVerbose = true;
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if (params.size() > 1)
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fVerbose = params[1].get_bool();
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if (mapBlockIndex.count(hash) == 0)
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
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CBlock block;
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CBlockIndex* pblockindex = mapBlockIndex[hash];
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if(!ReadBlockFromDisk(block, pblockindex))
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throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
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if (!fVerbose)
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{
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CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION);
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ssBlock << block;
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std::string strHex = HexStr(ssBlock.begin(), ssBlock.end());
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return strHex;
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}
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return blockToJSON(block, pblockindex);
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}
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Value gettxoutsetinfo(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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"gettxoutsetinfo\n"
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"\nReturns statistics about the unspent transaction output set.\n"
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"Note this call may take some time.\n"
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"\nResult:\n"
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"{\n"
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" \"height\":n, (numeric) The current block height (index)\n"
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" \"bestblock\": \"hex\", (string) the best block hash hex\n"
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" \"transactions\": n, (numeric) The number of transactions\n"
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" \"txouts\": n, (numeric) The number of output transactions\n"
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" \"bytes_serialized\": n, (numeric) The serialized size\n"
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" \"hash_serialized\": \"hash\", (string) The serialized hash\n"
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" \"total_amount\": x.xxx (numeric) The total amount\n"
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"}\n"
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"\nExamples:\n"
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+ HelpExampleCli("gettxoutsetinfo", "")
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+ HelpExampleRpc("gettxoutsetinfo", "")
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);
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Object ret;
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CCoinsStats stats;
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if (pcoinsTip->GetStats(stats)) {
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ret.push_back(Pair("height", (int64_t)stats.nHeight));
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ret.push_back(Pair("bestblock", stats.hashBlock.GetHex()));
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ret.push_back(Pair("transactions", (int64_t)stats.nTransactions));
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ret.push_back(Pair("txouts", (int64_t)stats.nTransactionOutputs));
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ret.push_back(Pair("bytes_serialized", (int64_t)stats.nSerializedSize));
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ret.push_back(Pair("hash_serialized", stats.hashSerialized.GetHex()));
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ret.push_back(Pair("total_amount", ValueFromAmount(stats.nTotalAmount)));
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}
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return ret;
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}
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Value gettxout(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 2 || params.size() > 3)
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throw runtime_error(
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"gettxout \"txid\" n ( includemempool )\n"
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"\nReturns details about an unspent transaction output.\n"
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"\nArguments:\n"
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"1. \"txid\" (string, required) The transaction id\n"
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"2. n (numeric, required) vout value\n"
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"3. includemempool (boolean, optional) Whether to included the mem pool\n"
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"\nResult:\n"
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"{\n"
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" \"bestblock\" : \"hash\", (string) the block hash\n"
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" \"confirmations\" : n, (numeric) The number of confirmations\n"
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" \"value\" : x.xxx, (numeric) The transaction value in btc\n"
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" \"scriptPubKey\" : { (json object)\n"
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" \"asm\" : \"code\", (string) \n"
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" \"hex\" : \"hex\", (string) \n"
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" \"reqSigs\" : n, (numeric) Number of required signatures\n"
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" \"type\" : \"pubkeyhash\", (string) The type, eg pubkeyhash\n"
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" \"addresses\" : [ (array of string) array of bitcoin addresses\n"
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" \"bitcoinaddress\" (string) bitcoin address\n"
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" ,...\n"
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" ]\n"
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" },\n"
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" \"version\" : n, (numeric) The version\n"
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" \"coinbase\" : true|false (boolean) Coinbase or not\n"
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"}\n"
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"\nExamples:\n"
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"\nGet unspent transactions\n"
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+ HelpExampleCli("listunspent", "") +
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"\nView the details\n"
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+ HelpExampleCli("gettxout", "\"txid\" 1") +
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"\nAs a json rpc call\n"
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+ HelpExampleRpc("gettxout", "\"txid\", 1")
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);
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Object ret;
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std::string strHash = params[0].get_str();
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uint256 hash(strHash);
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int n = params[1].get_int();
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bool fMempool = true;
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if (params.size() > 2)
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fMempool = params[2].get_bool();
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CCoins coins;
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if (fMempool) {
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LOCK(mempool.cs);
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CCoinsViewMemPool view(*pcoinsTip, mempool);
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if (!view.GetCoins(hash, coins))
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return Value::null;
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mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool
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} else {
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if (!pcoinsTip->GetCoins(hash, coins))
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return Value::null;
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}
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if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull())
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return Value::null;
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std::map<uint256, CBlockIndex*>::iterator it = mapBlockIndex.find(pcoinsTip->GetBestBlock());
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CBlockIndex *pindex = it->second;
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ret.push_back(Pair("bestblock", pindex->GetBlockHash().GetHex()));
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if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT)
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ret.push_back(Pair("confirmations", 0));
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else
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ret.push_back(Pair("confirmations", pindex->nHeight - coins.nHeight + 1));
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ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue)));
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Object o;
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ScriptPubKeyToJSON(coins.vout[n].scriptPubKey, o, true);
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ret.push_back(Pair("scriptPubKey", o));
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ret.push_back(Pair("version", coins.nVersion));
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ret.push_back(Pair("coinbase", coins.fCoinBase));
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return ret;
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}
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Value verifychain(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() > 2)
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throw runtime_error(
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"verifychain ( checklevel numblocks )\n"
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"\nVerifies blockchain database.\n"
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"\nArguments:\n"
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"1. checklevel (numeric, optional, 0-4, default=3) How thorough the block verification is.\n"
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"2. numblocks (numeric, optional, default=288, 0=all) The number of blocks to check.\n"
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"\nResult:\n"
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"true|false (boolean) Verified or not\n"
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"\nExamples:\n"
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+ HelpExampleCli("verifychain", "")
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+ HelpExampleRpc("verifychain", "")
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);
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int nCheckLevel = GetArg("-checklevel", 3);
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int nCheckDepth = GetArg("-checkblocks", 288);
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if (params.size() > 0)
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nCheckLevel = params[0].get_int();
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if (params.size() > 1)
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nCheckDepth = params[1].get_int();
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return CVerifyDB().VerifyDB(nCheckLevel, nCheckDepth);
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}
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Value getblockchaininfo(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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"getblockchaininfo\n"
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"Returns an object containing various state info regarding block chain processing.\n"
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"\nResult:\n"
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"{\n"
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" \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n"
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" \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n"
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" \"bestblockhash\": \"...\", (string) the hash of the currently best block\n"
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" \"difficulty\": xxxxxx, (numeric) the current difficulty\n"
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" \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n"
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" \"chainwork\": \"xxxx\" (string) total amount of work in active chain, in hexadecimal\n"
|
|
"}\n"
|
|
"\nExamples:\n"
|
|
+ HelpExampleCli("getblockchaininfo", "")
|
|
+ HelpExampleRpc("getblockchaininfo", "")
|
|
);
|
|
|
|
Object obj;
|
|
obj.push_back(Pair("chain", Params().NetworkIDString()));
|
|
obj.push_back(Pair("blocks", (int)chainActive.Height()));
|
|
obj.push_back(Pair("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex()));
|
|
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
|
|
obj.push_back(Pair("verificationprogress", Checkpoints::GuessVerificationProgress(chainActive.Tip())));
|
|
obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex()));
|
|
return obj;
|
|
}
|
|
|
|
/* Comparison function for sorting the getchaintips heads. */
|
|
struct CompareBlocksByHeight
|
|
{
|
|
bool operator()(const CBlockIndex* a, const CBlockIndex* b) const
|
|
{
|
|
/* Make sure that unequal blocks with the same height do not compare
|
|
equal. Use the pointers themselves to make a distinction. */
|
|
|
|
if (a->nHeight != b->nHeight)
|
|
return (a->nHeight > b->nHeight);
|
|
|
|
return a < b;
|
|
}
|
|
};
|
|
|
|
Value getchaintips(const Array& params, bool fHelp)
|
|
{
|
|
if (fHelp || params.size() != 0)
|
|
throw runtime_error(
|
|
"getchaintips\n"
|
|
"Return information about all known tips in the block tree,"
|
|
" including the main chain as well as orphaned branches.\n"
|
|
"\nResult:\n"
|
|
"[\n"
|
|
" {\n"
|
|
" \"height\": xxxx, (numeric) height of the chain tip\n"
|
|
" \"hash\": \"xxxx\", (string) block hash of the tip\n"
|
|
" \"branchlen\": 0 (numeric) zero for main chain\n"
|
|
" },\n"
|
|
" {\n"
|
|
" \"height\": xxxx,\n"
|
|
" \"hash\": \"xxxx\",\n"
|
|
" \"branchlen\": 1 (numeric) length of branch connecting the tip to the main chain\n"
|
|
" }\n"
|
|
"]\n"
|
|
"\nExamples:\n"
|
|
+ HelpExampleCli("getchaintips", "")
|
|
+ HelpExampleRpc("getchaintips", "")
|
|
);
|
|
|
|
/* Build up a list of chain tips. We start with the list of all
|
|
known blocks, and successively remove blocks that appear as pprev
|
|
of another block. */
|
|
std::set<const CBlockIndex*, CompareBlocksByHeight> setTips;
|
|
BOOST_FOREACH(const PAIRTYPE(const uint256, CBlockIndex*)& item, mapBlockIndex)
|
|
setTips.insert(item.second);
|
|
BOOST_FOREACH(const PAIRTYPE(const uint256, CBlockIndex*)& item, mapBlockIndex)
|
|
{
|
|
const CBlockIndex* pprev = item.second->pprev;
|
|
if (pprev)
|
|
setTips.erase(pprev);
|
|
}
|
|
|
|
/* Construct the output array. */
|
|
Array res;
|
|
BOOST_FOREACH(const CBlockIndex* block, setTips)
|
|
{
|
|
Object obj;
|
|
obj.push_back(Pair("height", block->nHeight));
|
|
obj.push_back(Pair("hash", block->phashBlock->GetHex()));
|
|
|
|
const int branchLen = block->nHeight - chainActive.FindFork(block)->nHeight;
|
|
obj.push_back(Pair("branchlen", branchLen));
|
|
|
|
res.push_back(obj);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
Value getmempoolinfo(const Array& params, bool fHelp)
|
|
{
|
|
if (fHelp || params.size() != 0)
|
|
throw runtime_error(
|
|
"getmempoolinfo\n"
|
|
"\nReturns details on the active state of the TX memory pool.\n"
|
|
"\nResult:\n"
|
|
"{\n"
|
|
" \"size\": xxxxx (numeric) Current tx count\n"
|
|
" \"bytes\": xxxxx (numeric) Sum of all tx sizes\n"
|
|
"}\n"
|
|
"\nExamples:\n"
|
|
+ HelpExampleCli("getmempoolinfo", "")
|
|
+ HelpExampleRpc("getmempoolinfo", "")
|
|
);
|
|
|
|
Object ret;
|
|
ret.push_back(Pair("size", (int64_t) mempool.size()));
|
|
ret.push_back(Pair("bytes", (int64_t) mempool.GetTotalTxSize()));
|
|
|
|
return ret;
|
|
}
|
|
|