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Diffstat (limited to 'src/rpcblockchain.cpp')
| -rw-r--r-- | src/rpcblockchain.cpp | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp new file mode 100644 index 000000000..edaa73222 --- /dev/null +++ b/src/rpcblockchain.cpp @@ -0,0 +1,271 @@ +// Copyright (c) 2010 Satoshi Nakamoto +// Copyright (c) 2009-2012 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include "main.h" +#include "bitcoinrpc.h" + +using namespace json_spirit; +using namespace std; + +void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out); + +double GetDifficulty(const CBlockIndex* blockindex) +{ + // Floating point number that is a multiple of the minimum difficulty, + // minimum difficulty = 1.0. + if (blockindex == NULL) + { + if (pindexBest == NULL) + return 1.0; + else + blockindex = pindexBest; + } + + int nShift = (blockindex->nBits >> 24) & 0xff; + + double dDiff = + (double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff); + + while (nShift < 29) + { + dDiff *= 256.0; + nShift++; + } + while (nShift > 29) + { + dDiff /= 256.0; + nShift--; + } + + return dDiff; +} + + +Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex) +{ + Object result; + result.push_back(Pair("hash", block.GetHash().GetHex())); + CMerkleTx txGen(block.vtx[0]); + txGen.SetMerkleBranch(&block); + result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain())); + result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION))); + result.push_back(Pair("height", blockindex->nHeight)); + result.push_back(Pair("version", block.nVersion)); + result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex())); + Array txs; + BOOST_FOREACH(const CTransaction&tx, block.vtx) + txs.push_back(tx.GetHash().GetHex()); + result.push_back(Pair("tx", txs)); + result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime())); + result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce)); + result.push_back(Pair("bits", HexBits(block.nBits))); + result.push_back(Pair("difficulty", GetDifficulty(blockindex))); + + if (blockindex->pprev) + result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex())); + CBlockIndex *pnext = blockindex->GetNextInMainChain(); + if (pnext) + result.push_back(Pair("nextblockhash", pnext->GetBlockHash().GetHex())); + return result; +} + + +Value getblockcount(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 0) + throw runtime_error( + "getblockcount\n" + "Returns the number of blocks in the longest block chain."); + + return nBestHeight; +} + +Value getbestblockhash(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 0) + throw runtime_error( + "getbestblockhash\n" + "Returns the hash of the best (tip) block in the longest block chain."); + + return hashBestChain.GetHex(); +} + +Value getdifficulty(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 0) + throw runtime_error( + "getdifficulty\n" + "Returns the proof-of-work difficulty as a multiple of the minimum difficulty."); + + return GetDifficulty(); +} + + +Value settxfee(const Array& params, bool fHelp) +{ + if (fHelp || params.size() < 1 || params.size() > 1) + throw runtime_error( + "settxfee <amount>\n" + "<amount> is a real and is rounded to the nearest 0.00000001"); + + // Amount + int64 nAmount = 0; + if (params[0].get_real() != 0.0) + nAmount = AmountFromValue(params[0]); // rejects 0.0 amounts + + nTransactionFee = nAmount; + return true; +} + +Value getrawmempool(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 0) + throw runtime_error( + "getrawmempool\n" + "Returns all transaction ids in memory pool."); + + vector<uint256> vtxid; + mempool.queryHashes(vtxid); + + Array a; + BOOST_FOREACH(const uint256& hash, vtxid) + a.push_back(hash.ToString()); + + return a; +} + +Value getblockhash(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 1) + throw runtime_error( + "getblockhash <index>\n" + "Returns hash of block in best-block-chain at <index>."); + + int nHeight = params[0].get_int(); + if (nHeight < 0 || nHeight > nBestHeight) + throw runtime_error("Block number out of range."); + + CBlockIndex* pblockindex = FindBlockByHeight(nHeight); + return pblockindex->phashBlock->GetHex(); +} + +Value getblock(const Array& params, bool fHelp) +{ + if (fHelp || params.size() < 1 || params.size() > 2) + throw runtime_error( + "getblock <hash> [verbose=true]\n" + "If verbose is false, returns a string that is serialized, hex-encoded data for block <hash>.\n" + "If verbose is true, returns an Object with information about block <hash>." + ); + + std::string strHash = params[0].get_str(); + uint256 hash(strHash); + + bool fVerbose = true; + if (params.size() > 1) + fVerbose = params[1].get_bool(); + + if (mapBlockIndex.count(hash) == 0) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); + + CBlock block; + CBlockIndex* pblockindex = mapBlockIndex[hash]; + ReadBlockFromDisk(block, pblockindex); + + if (!fVerbose) + { + CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION); + ssBlock << block; + std::string strHex = HexStr(ssBlock.begin(), ssBlock.end()); + return strHex; + } + + return blockToJSON(block, pblockindex); +} + +Value gettxoutsetinfo(const Array& params, bool fHelp) +{ + if (fHelp || params.size() != 0) + throw runtime_error( + "gettxoutsetinfo\n" + "Returns statistics about the unspent transaction output set."); + + Object ret; + + CCoinsStats stats; + if (pcoinsTip->GetStats(stats)) { + ret.push_back(Pair("height", (boost::int64_t)stats.nHeight)); + ret.push_back(Pair("bestblock", stats.hashBlock.GetHex())); + ret.push_back(Pair("transactions", (boost::int64_t)stats.nTransactions)); + ret.push_back(Pair("txouts", (boost::int64_t)stats.nTransactionOutputs)); + ret.push_back(Pair("bytes_serialized", (boost::int64_t)stats.nSerializedSize)); + ret.push_back(Pair("hash_serialized", stats.hashSerialized.GetHex())); + ret.push_back(Pair("total_amount", ValueFromAmount(stats.nTotalAmount))); + } + return ret; +} + +Value gettxout(const Array& params, bool fHelp) +{ + if (fHelp || params.size() < 2 || params.size() > 3) + throw runtime_error( + "gettxout <txid> <n> [includemempool=true]\n" + "Returns details about an unspent transaction output."); + + Object ret; + + std::string strHash = params[0].get_str(); + uint256 hash(strHash); + int n = params[1].get_int(); + bool fMempool = true; + if (params.size() > 2) + fMempool = params[2].get_bool(); + + CCoins coins; + if (fMempool) { + LOCK(mempool.cs); + CCoinsViewMemPool view(*pcoinsTip, mempool); + if (!view.GetCoins(hash, coins)) + return Value::null; + mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool + } else { + if (!pcoinsTip->GetCoins(hash, coins)) + return Value::null; + } + if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull()) + return Value::null; + + ret.push_back(Pair("bestblock", pcoinsTip->GetBestBlock()->GetBlockHash().GetHex())); + if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT) + ret.push_back(Pair("confirmations", 0)); + else + ret.push_back(Pair("confirmations", pcoinsTip->GetBestBlock()->nHeight - coins.nHeight + 1)); + ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue))); + Object o; + ScriptPubKeyToJSON(coins.vout[n].scriptPubKey, o); + ret.push_back(Pair("scriptPubKey", o)); + ret.push_back(Pair("version", coins.nVersion)); + ret.push_back(Pair("coinbase", coins.fCoinBase)); + + return ret; +} + +Value verifychain(const Array& params, bool fHelp) +{ + if (fHelp || params.size() > 2) + throw runtime_error( + "verifychain [check level] [num blocks]\n" + "Verifies blockchain database."); + + int nCheckLevel = GetArg("-checklevel", 3); + int nCheckDepth = GetArg("-checkblocks", 288); + if (params.size() > 0) + nCheckLevel = params[0].get_int(); + if (params.size() > 1) + nCheckDepth = params[1].get_int(); + + return VerifyDB(nCheckLevel, nCheckDepth); +} + |