273 lines
8.5 KiB
C++
273 lines
8.5 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 "main.h"
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#include "bitcoinrpc.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", (boost::int64_t)block.GetBlockTime()));
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result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
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result.push_back(Pair("bits", HexBits(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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"Returns the number of blocks in the longest block chain.");
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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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"Returns the hash of the best (tip) block in the longest block chain.");
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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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"Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
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return GetDifficulty();
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}
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Value settxfee(const Array& params, bool fHelp)
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{
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if (fHelp || params.size() < 1 || params.size() > 1)
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throw runtime_error(
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"settxfee <amount btc/kb>\n"
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"<amount> is a real and is rounded to the nearest 0.00000001 btc per kb");
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// Amount
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int64 nAmount = 0;
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if (params[0].get_real() != 0.0)
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nAmount = AmountFromValue(params[0]); // rejects 0.0 amounts
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nTransactionFee = nAmount;
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return true;
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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() != 0)
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throw runtime_error(
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"getrawmempool\n"
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"Returns all transaction ids in memory pool.");
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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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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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"Returns hash of block in best-block-chain at <index>.");
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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=true]\n"
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"If 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>."
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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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ReadBlockFromDisk(block, pblockindex);
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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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"Returns statistics about the unspent transaction output set.");
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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", (boost::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", (boost::int64_t)stats.nTransactions));
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ret.push_back(Pair("txouts", (boost::int64_t)stats.nTransactionOutputs));
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ret.push_back(Pair("bytes_serialized", (boost::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=true]\n"
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"Returns details about an unspent transaction output.");
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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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ret.push_back(Pair("bestblock", pcoinsTip->GetBestBlock()->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", pcoinsTip->GetBestBlock()->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 [check level] [num blocks]\n"
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"Verifies blockchain database.");
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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 VerifyDB(nCheckLevel, nCheckDepth);
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}
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