Function submitblock

src/rpc/mining.cpp:1086–1136

};

static RPCMethod submitblock()
{
    // We allow 2 arguments for compliance with BIP22. Argument 2 is ignored.
    return RPCMethod{
        "submitblock",
        "Attempts to submit new block to network.\n"
        "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n",
        {
            {"hexdata", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hex-encoded block data to submit"},
            {"dummy", RPCArg::Type::STR, RPCArg::DefaultHint{"ignored"}, "dummy value, for compatibility with BIP22. This value is ignored."},
        },
        {
            RPCResult{"If the block was accepted", RPCResult::Type::NONE, "", ""},
            RPCResult{"Otherwise", RPCResult::Type::STR, "", "According to BIP22"},
        },
        RPCExamples{
                    HelpExampleCli("submitblock", "\"mydata\"")
            + HelpExampleRpc("submitblock", "\"mydata\"")
                },
        [](const RPCMethod& self, const JSONRPCRequest& request) -> UniValue
{
    std::shared_ptr<CBlock> blockptr = std::make_shared<CBlock>();
    CBlock& block = *blockptr;
    if (!DecodeHexBlk(block, request.params[0].get_str())) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
    }

    ChainstateManager& chainman = EnsureAnyChainman(request.context);
    {
        LOCK(cs_main);
        const CBlockIndex* pindex = chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock);
        if (pindex) {
            chainman.UpdateUncommittedBlockStructures(block, pindex);
        }
    }

    bool new_block;
    auto sc = std::make_shared<submitblock_StateCatcher>(block.GetHash());
    CHECK_NONFATAL(chainman.m_options.signals)->RegisterSharedValidationInterface(sc);
    bool accepted = chainman.ProcessNewBlock(blockptr, /*force_processing=*/true, /*min_pow_checked=*/true, /*new_block=*/&new_block);
    CHECK_NONFATAL(chainman.m_options.signals)->UnregisterSharedValidationInterface(sc);
    if (!new_block && accepted) {
        return "duplicate";
    }
    if (!sc->found) {
        return "inconclusive";
    }
    return BIP22ValidationResult(sc->state);
},
    };
}

static RPCMethod submitheader()
{