Function submitblock

src/rpcmining.cpp:979–1056

};

UniValue submitblock(const UniValue& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 2) {
        throw runtime_error(
            "submitblock \"hexdata\" ( \"jsonparametersobject\" )\n"
            "\nAttempts to submit new block to network.\n"
            "The 'jsonparametersobject' parameter is currently ignored.\n"
            "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n"

            "\nArguments\n"
            "1. \"hexdata\"    (string, required) the hex-encoded block data to submit\n"
            "2. \"jsonparametersobject\"     (string, optional) object of optional parameters\n"
            "    {\n"
            "      \"workid\" : \"id\"    (string, optional) if the server provided a workid, it MUST be included with submissions\n"
            "    }\n"
            "\nResult:\n"
            "\nExamples:\n" +
            HelpExampleCli("submitblock", "\"mydata\"") + HelpExampleRpc("submitblock", "\"mydata\""));
    }

    CBlock block;
    if (!DecodeHexBlk(block, params[0].get_str())) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
    }

    CValidationState state;
    bool fBlockPresent = false;
    int TheHeight = 0;
    {
        LOCK(cs_main);
        CBlockIndex* pindexPrev = LookupBlockIndex(block.hashPrevBlock);
        UpdateUncommittedBlockStructures(block, pindexPrev, Params().GetConsensus());

        TheHeight = pindexPrev ? pindexPrev->nHeight + 1 : 0;
        uint256 hash = block.GetHash(TheHeight);
        CBlockIndex* pindex = LookupBlockIndex(hash);
        if (pindex) {
            if (pindex->IsValid(BLOCK_VALID_SCRIPTS)) {
                return "duplicate";
            }
            if (pindex->nStatus & BLOCK_FAILED_MASK) {
                return "duplicate-invalid";
            }
            // Otherwise, we might only have the header - process the block before returning
            fBlockPresent = true;
        }
        bool fValid = TestBlockValidity(state, Params(), block, pindexPrev, false, true);
        if (!state.IsValid()) {
            LogPrintf("%s: block state is not valid!\n", __func__);
        }
        if (!fValid) {
            LogPrintf("%s: block is not valid!\n", __func__);
        }
    }

    submitblock_StateCatcher sc(block.GetHash(TheHeight), TheHeight);
    RegisterValidationInterface(&sc);