diff options
| -rw-r--r-- | src/rpcblockchain.cpp | 82 | ||||
| -rw-r--r-- | src/rpcclient.cpp | 1 | ||||
| -rw-r--r-- | src/rpcserver.cpp | 1 | ||||
| -rw-r--r-- | src/rpcserver.h | 1 |
4 files changed, 85 insertions, 0 deletions
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp index 0b34225d8f..b7c3eb1724 100644 --- a/src/rpcblockchain.cpp +++ b/src/rpcblockchain.cpp @@ -51,6 +51,32 @@ double GetDifficulty(const CBlockIndex* blockindex) return dDiff; } +UniValue blockheaderToJSON(const CBlockIndex* blockindex) +{ + UniValue result(UniValue::VOBJ); + result.push_back(Pair("hash", blockindex->GetBlockHash().GetHex())); + int confirmations = -1; + // Only report confirmations if the block is on the main chain + if (chainActive.Contains(blockindex)) + confirmations = chainActive.Height() - blockindex->nHeight + 1; + result.push_back(Pair("confirmations", confirmations)); + result.push_back(Pair("height", blockindex->nHeight)); + result.push_back(Pair("version", blockindex->nVersion)); + result.push_back(Pair("merkleroot", blockindex->hashMerkleRoot.GetHex())); + result.push_back(Pair("time", (int64_t)blockindex->nTime)); + result.push_back(Pair("nonce", (uint64_t)blockindex->nNonce)); + result.push_back(Pair("bits", strprintf("%08x", blockindex->nBits))); + result.push_back(Pair("difficulty", GetDifficulty(blockindex))); + result.push_back(Pair("chainwork", blockindex->nChainWork.GetHex())); + + if (blockindex->pprev) + result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex())); + CBlockIndex *pnext = chainActive.Next(blockindex); + if (pnext) + result.push_back(Pair("nextblockhash", pnext->GetBlockHash().GetHex())); + return result; +} + UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false) { @@ -255,6 +281,62 @@ UniValue getblockhash(const UniValue& params, bool fHelp) return pblockindex->GetBlockHash().GetHex(); } +UniValue getblockheader(const UniValue& params, bool fHelp) +{ + if (fHelp || params.size() < 1 || params.size() > 2) + throw runtime_error( + "getblockheader \"hash\" ( verbose )\n" + "\nIf verbose is false, returns a string that is serialized, hex-encoded data for blockheader 'hash'.\n" + "If verbose is true, returns an Object with information about blockheader <hash>.\n" + "\nArguments:\n" + "1. \"hash\" (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" + "{\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" + " \"height\" : n, (numeric) The block height or index\n" + " \"version\" : n, (numeric) The block version\n" + " \"merkleroot\" : \"xxxx\", (string) The merkle root\n" + " \"time\" : ttt, (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)\n" + " \"nonce\" : n, (numeric) The nonce\n" + " \"bits\" : \"1d00ffff\", (string) The bits\n" + " \"difficulty\" : x.xxx, (numeric) The difficulty\n" + " \"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" + "\nExamples:\n" + + HelpExampleCli("getblockheader", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + + HelpExampleRpc("getblockheader", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + ); + + LOCK(cs_main); + + std::string strHash = params[0].get_str(); + uint256 hash(uint256S(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"); + + CBlockIndex* pblockindex = mapBlockIndex[hash]; + + if (!fVerbose) + { + CDataStream ssBlock(SER_NETWORK, PROTOCOL_VERSION); + ssBlock << pblockindex->GetBlockHeader(); + std::string strHex = HexStr(ssBlock.begin(), ssBlock.end()); + return strHex; + } + + return blockheaderToJSON(pblockindex); +} + UniValue getblock(const UniValue& params, bool fHelp) { if (fHelp || params.size() < 1 || params.size() > 2) diff --git a/src/rpcclient.cpp b/src/rpcclient.cpp index 4c6b47e4a0..b41e960e8a 100644 --- a/src/rpcclient.cpp +++ b/src/rpcclient.cpp @@ -71,6 +71,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "listunspent", 1 }, { "listunspent", 2 }, { "getblock", 1 }, + { "getblockheader", 1 }, { "gettransaction", 1 }, { "getrawtransaction", 1 }, { "createrawtransaction", 0 }, diff --git a/src/rpcserver.cpp b/src/rpcserver.cpp index 840bf57c21..13b8661c65 100644 --- a/src/rpcserver.cpp +++ b/src/rpcserver.cpp @@ -289,6 +289,7 @@ static const CRPCCommand vRPCCommands[] = { "blockchain", "getblockcount", &getblockcount, true }, { "blockchain", "getblock", &getblock, true }, { "blockchain", "getblockhash", &getblockhash, true }, + { "blockchain", "getblockheader", &getblockheader, true }, { "blockchain", "getchaintips", &getchaintips, true }, { "blockchain", "getdifficulty", &getdifficulty, true }, { "blockchain", "getmempoolinfo", &getmempoolinfo, true }, diff --git a/src/rpcserver.h b/src/rpcserver.h index 45af10c2a8..89d3980223 100644 --- a/src/rpcserver.h +++ b/src/rpcserver.h @@ -234,6 +234,7 @@ extern UniValue settxfee(const UniValue& params, bool fHelp); extern UniValue getmempoolinfo(const UniValue& params, bool fHelp); extern UniValue getrawmempool(const UniValue& params, bool fHelp); extern UniValue getblockhash(const UniValue& params, bool fHelp); +extern UniValue getblockheader(const UniValue& params, bool fHelp); extern UniValue getblock(const UniValue& params, bool fHelp); extern UniValue gettxoutsetinfo(const UniValue& params, bool fHelp); extern UniValue gettxout(const UniValue& params, bool fHelp); |