Function ReadBlockFromDisk

src/validation.cpp:1105–1132

}

bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos, const Consensus::Params& consensusParams)
{
    block.SetNull();

    // Open history file to read
    CAutoFile filein(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
    if (filein.IsNull())
        return error("ReadBlockFromDisk: OpenBlockFile failed for %s", pos.ToString());

    // Read block
    try {
        filein >> block;
    }
    catch (const std::exception& e) {
        return error("%s: Deserialize or I/O error - %s at %s", __func__, e.what(), pos.ToString());
    }

    // Check Equihash solution
    bool postfork = block.nHeight >= (uint32_t)consensusParams.BTGHeight;
    if (postfork && !CheckEquihashSolution(&block, Params())) {
        return error("ReadBlockFromDisk: Errors in block header at %s (bad Equihash solution)", pos.ToString());
    }
    // Check the header
    if (!CheckProofOfWork(block.GetHash(), block.nBits, postfork, consensusParams))
        return error("ReadBlockFromDisk: Errors in block header at %s", pos.ToString());

    return true;
}

bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex, const Consensus::Params& consensusParams)
{