diff options
Diffstat (limited to 'src/rpc/blockchain.cpp')
-rw-r--r-- | src/rpc/blockchain.cpp | 130 |
1 files changed, 103 insertions, 27 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index bec87e613a..b4b160aac9 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -3,6 +3,8 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. +#include "rpc/blockchain.h" + #include "amount.h" #include "chain.h" #include "chainparams.h" @@ -10,6 +12,8 @@ #include "coins.h" #include "consensus/validation.h" #include "validation.h" +#include "core_io.h" +#include "policy/feerate.h" #include "policy/policy.h" #include "primitives/transaction.h" #include "rpc/server.h" @@ -40,15 +44,7 @@ static std::condition_variable cond_blockchange; static CUpdatedBlock latestblock; extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry); -void ScriptPubKeyToJSON(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex); - -/** - * Get the difficulty of the net wrt to the given block index, or the chain tip if - * not provided. - * - * @return A floating point number that is a multiple of the main net minimum - * difficulty (4295032833 hashes). - */ + double GetDifficulty(const CBlockIndex* blockindex) { if (blockindex == NULL) @@ -106,7 +102,7 @@ UniValue blockheaderToJSON(const CBlockIndex* blockindex) return result; } -UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false) +UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails) { UniValue result(UniValue::VOBJ); result.push_back(Pair("hash", blockindex->GetBlockHash().GetHex())); @@ -128,7 +124,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx if(txDetails) { UniValue objTx(UniValue::VOBJ); - TxToJSON(*tx, uint256(), objTx); + TxToUniv(*tx, uint256(), objTx); txs.push_back(objTx); } else @@ -383,7 +379,7 @@ void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) info.push_back(Pair("depends", depends)); } -UniValue mempoolToJSON(bool fVerbose = false) +UniValue mempoolToJSON(bool fVerbose) { if (fVerbose) { @@ -417,6 +413,7 @@ UniValue getrawmempool(const JSONRPCRequest& request) throw std::runtime_error( "getrawmempool ( verbose )\n" "\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n" + "\nHint: use getmempoolentry to fetch a specific transaction from the mempool.\n" "\nArguments:\n" "1. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids\n" "\nResult: (for verbose = false):\n" @@ -691,13 +688,16 @@ UniValue getblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "getblock \"blockhash\" ( verbose )\n" - "\nIf 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>.\n" + "getblock \"blockhash\" ( verbosity ) \n" + "\nIf verbosity is 0, returns a string that is serialized, hex-encoded data for block 'hash'.\n" + "If verbosity is 1, returns an Object with information about block <hash>.\n" + "If verbosity is 2, returns an Object with information about block <hash> and information about each transaction. \n" "\nArguments:\n" "1. \"blockhash\" (string, required) The block hash\n" - "2. verbose (boolean, optional, default=true) true for a json object, false for the hex encoded data\n" - "\nResult (for verbose = true):\n" + "2. verbosity (numeric, optional, default=1) 0 for hex encoded data, 1 for a json object, and 2 for json object with transaction data\n" + "\nResult (for verbosity = 0):\n" + "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n" + "\nResult (for verbosity = 1):\n" "{\n" " \"hash\" : \"hash\", (string) the block hash (same as provided)\n" " \"confirmations\" : n, (numeric) The number of confirmations, or -1 if the block is not on the main chain\n" @@ -721,8 +721,14 @@ UniValue getblock(const JSONRPCRequest& request) " \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n" " \"nextblockhash\" : \"hash\" (string) The hash of the next block\n" "}\n" - "\nResult (for verbose=false):\n" - "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n" + "\nResult (for verbosity = 2):\n" + "{\n" + " ..., Same output as verbosity = 1.\n" + " \"tx\" : [ (array of Objects) The transactions in the format of the getrawtransaction RPC. Different from verbosity = 1 \"tx\" result.\n" + " ,...\n" + " ],\n" + " ,... Same output as verbosity = 1.\n" + "}\n" "\nExamples:\n" + HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") @@ -733,9 +739,13 @@ UniValue getblock(const JSONRPCRequest& request) std::string strHash = request.params[0].get_str(); uint256 hash(uint256S(strHash)); - bool fVerbose = true; - if (request.params.size() > 1) - fVerbose = request.params[1].get_bool(); + int verbosity = 1; + if (request.params.size() > 1) { + if(request.params[1].isNum()) + verbosity = request.params[1].get_int(); + else + verbosity = request.params[1].get_bool() ? 1 : 0; + } if (mapBlockIndex.count(hash) == 0) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); @@ -754,7 +764,7 @@ UniValue getblock(const JSONRPCRequest& request) // block). throw JSONRPCError(RPC_MISC_ERROR, "Block not found on disk"); - if (!fVerbose) + if (verbosity <= 0) { CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION | RPCSerializationFlags()); ssBlock << block; @@ -762,7 +772,7 @@ UniValue getblock(const JSONRPCRequest& request) return strHex; } - return blockToJSON(block, pblockindex); + return blockToJSON(block, pblockindex, verbosity >= 2); } struct CCoinsStats @@ -860,7 +870,7 @@ UniValue pruneblockchain(const JSONRPCRequest& request) else if (height > chainHeight) throw JSONRPCError(RPC_INVALID_PARAMETER, "Blockchain is shorter than the attempted prune height."); else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) { - LogPrint("rpc", "Attempt to prune blocks close to the tip. Retaining the minimum number of blocks."); + LogPrint(BCLog::RPC, "Attempt to prune blocks close to the tip. Retaining the minimum number of blocks."); height = chainHeight - MIN_BLOCKS_TO_KEEP; } @@ -980,7 +990,7 @@ UniValue gettxout(const JSONRPCRequest& request) ret.push_back(Pair("confirmations", pindex->nHeight - coins.nHeight + 1)); ret.push_back(Pair("value", ValueFromAmount(coins.vout[n].nValue))); UniValue o(UniValue::VOBJ); - ScriptPubKeyToJSON(coins.vout[n].scriptPubKey, o, true); + ScriptPubKeyToUniv(coins.vout[n].scriptPubKey, o, true); ret.push_back(Pair("scriptPubKey", o)); ret.push_back(Pair("version", coins.nVersion)); ret.push_back(Pair("coinbase", coins.fCoinBase)); @@ -1438,13 +1448,79 @@ UniValue reconsiderblock(const JSONRPCRequest& request) return NullUniValue; } +UniValue getchaintxstats(const JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() > 2) + throw std::runtime_error( + "getchaintxstats ( nblocks blockhash )\n" + "\nCompute statistics about the total number and rate of transactions in the chain.\n" + "\nArguments:\n" + "1. nblocks (numeric, optional) Size of the window in number of blocks (default: one month).\n" + "2. \"blockhash\" (string, optional) The hash of the block that ends the window.\n" + "\nResult:\n" + "{\n" + " \"time\": xxxxx, (numeric) The timestamp for the statistics in UNIX format.\n" + " \"txcount\": xxxxx, (numeric) The total number of transactions in the chain up to that point.\n" + " \"txrate\": x.xx, (numeric) The average rate of transactions per second in the window.\n" + "}\n" + "\nExamples:\n" + + HelpExampleCli("getchaintxstats", "") + + HelpExampleRpc("getchaintxstats", "2016") + ); + + const CBlockIndex* pindex; + int blockcount = 30 * 24 * 60 * 60 / Params().GetConsensus().nPowTargetSpacing; // By default: 1 month + + if (request.params.size() > 0 && !request.params[0].isNull()) { + blockcount = request.params[0].get_int(); + } + + bool havehash = request.params.size() > 1 && !request.params[1].isNull(); + uint256 hash; + if (havehash) { + hash = uint256S(request.params[1].get_str()); + } + + { + LOCK(cs_main); + if (havehash) { + auto it = mapBlockIndex.find(hash); + if (it == mapBlockIndex.end()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); + } + pindex = it->second; + if (!chainActive.Contains(pindex)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Block is not in main chain"); + } + } else { + pindex = chainActive.Tip(); + } + } + + if (blockcount < 1 || blockcount >= pindex->nHeight) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid block count: should be between 1 and the block's height"); + } + + const CBlockIndex* pindexPast = pindex->GetAncestor(pindex->nHeight - blockcount); + int nTimeDiff = pindex->GetMedianTimePast() - pindexPast->GetMedianTimePast(); + int nTxDiff = pindex->nChainTx - pindexPast->nChainTx; + + UniValue ret(UniValue::VOBJ); + ret.push_back(Pair("time", (int64_t)pindex->nTime)); + ret.push_back(Pair("txcount", (int64_t)pindex->nChainTx)); + ret.push_back(Pair("txrate", ((double)nTxDiff) / nTimeDiff)); + + return ret; +} + static const CRPCCommand commands[] = { // category name actor (function) okSafe argNames // --------------------- ------------------------ ----------------------- ------ ---------- { "blockchain", "getblockchaininfo", &getblockchaininfo, true, {} }, + { "blockchain", "getchaintxstats", &getchaintxstats, true, {"nblocks", "blockhash"} }, { "blockchain", "getbestblockhash", &getbestblockhash, true, {} }, { "blockchain", "getblockcount", &getblockcount, true, {} }, - { "blockchain", "getblock", &getblock, true, {"blockhash","verbose"} }, + { "blockchain", "getblock", &getblock, true, {"blockhash","verbosity|verbose"} }, { "blockchain", "getblockhash", &getblockhash, true, {"height"} }, { "blockchain", "getblockheader", &getblockheader, true, {"blockhash","verbose"} }, { "blockchain", "getchaintips", &getchaintips, true, {} }, |