diff options
Diffstat (limited to 'src/rpcblockchain.cpp')
-rw-r--r-- | src/rpcblockchain.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp index 85229e9857..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) @@ -469,6 +551,36 @@ UniValue verifychain(const UniValue& params, bool fHelp) return CVerifyDB().VerifyDB(pcoinsTip, nCheckLevel, nCheckDepth); } +/** Implementation of IsSuperMajority with better feedback */ +static UniValue SoftForkMajorityDesc(int minVersion, CBlockIndex* pindex, int nRequired, const Consensus::Params& consensusParams) +{ + int nFound = 0; + CBlockIndex* pstart = pindex; + for (int i = 0; i < consensusParams.nMajorityWindow && pstart != NULL; i++) + { + if (pstart->nVersion >= minVersion) + ++nFound; + pstart = pstart->pprev; + } + + UniValue rv(UniValue::VOBJ); + rv.push_back(Pair("status", nFound >= nRequired)); + rv.push_back(Pair("found", nFound)); + rv.push_back(Pair("required", nRequired)); + rv.push_back(Pair("window", consensusParams.nMajorityWindow)); + return rv; +} + +static UniValue SoftForkDesc(const std::string &name, int version, CBlockIndex* pindex, const Consensus::Params& consensusParams) +{ + UniValue rv(UniValue::VOBJ); + rv.push_back(Pair("id", name)); + rv.push_back(Pair("version", version)); + rv.push_back(Pair("enforce", SoftForkMajorityDesc(version, pindex, consensusParams.nMajorityEnforceBlockUpgrade, consensusParams))); + rv.push_back(Pair("reject", SoftForkMajorityDesc(version, pindex, consensusParams.nMajorityRejectBlockOutdated, consensusParams))); + return rv; +} + UniValue getblockchaininfo(const UniValue& params, bool fHelp) { if (fHelp || params.size() != 0) @@ -484,6 +596,19 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp) " \"difficulty\": xxxxxx, (numeric) the current difficulty\n" " \"verificationprogress\": xxxx, (numeric) estimate of verification progress [0..1]\n" " \"chainwork\": \"xxxx\" (string) total amount of work in active chain, in hexadecimal\n" + " \"softforks\": [ (array) status of softforks in progress\n" + " {\n" + " \"id\": \"xxxx\", (string) name of softfork\n" + " \"version\": xx, (numeric) block version\n" + " \"enforce\": { (object) progress toward enforcing the softfork rules for new-version blocks\n" + " \"status\": xx, (boolean) true if threshold reached\n" + " \"found\": xx, (numeric) number of blocks with the new version found\n" + " \"required\": xx, (numeric) number of blocks required to trigger\n" + " \"window\": xx, (numeric) maximum size of examined window of recent blocks\n" + " },\n" + " \"reject\": { ... } (object) progress toward rejecting pre-softfork blocks (same fields as \"enforce\")\n" + " }, ...\n" + " ]\n" "}\n" "\nExamples:\n" + HelpExampleCli("getblockchaininfo", "") @@ -501,6 +626,14 @@ UniValue getblockchaininfo(const UniValue& params, bool fHelp) obj.push_back(Pair("verificationprogress", Checkpoints::GuessVerificationProgress(Params().Checkpoints(), chainActive.Tip()))); obj.push_back(Pair("chainwork", chainActive.Tip()->nChainWork.GetHex())); obj.push_back(Pair("pruned", fPruneMode)); + + const Consensus::Params& consensusParams = Params().GetConsensus(); + CBlockIndex* tip = chainActive.Tip(); + UniValue softforks(UniValue::VARR); + softforks.push_back(SoftForkDesc("bip34", 2, tip, consensusParams)); + softforks.push_back(SoftForkDesc("bip66", 3, tip, consensusParams)); + obj.push_back(Pair("softforks", softforks)); + if (fPruneMode) { CBlockIndex *block = chainActive.Tip(); |