bitcoin-fuzz 0.1.16-alpha.0

contains the bitcoin fuzz tests
Documentation 
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crate::ix!();

//-------------------------------------------[.cpp/bitcoin/src/test/fuzz/pow.cpp]

pub fn initialize_pow()  {
    
    todo!();
        /*
            SelectParams(CBaseChainParams::MAIN);
        */
}

#[fuzz_test(initializer = "initialize_pow")]
fn pow() {
    todo!();
    /*
    
        FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
        const ChainConsensusParams& consensus_params = Params().GetConsensus();
        std::vector<CBlockIndex> blocks;
        const uint32_t fixed_time = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
        const uint32_t fixed_bits = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
        while (fuzzed_data_provider.remaining_bytes() > 0) {
            const std::optional<CBlockHeader> block_header = ConsumeDeserializable<CBlockHeader>(fuzzed_data_provider);
            if (!block_header) {
                continue;
            }
            CBlockIndex current_block{*block_header};
            {
                CBlockIndex* previous_block = blocks.empty() ? nullptr : &PickValue(fuzzed_data_provider, blocks);
                const int current_height = (previous_block != nullptr && previous_block->nHeight != std::numeric_limits<int>::max()) ? previous_block->nHeight + 1 : 0;
                if (fuzzed_data_provider.ConsumeBool()) {
                    current_block.pprev = previous_block;
                }
                if (fuzzed_data_provider.ConsumeBool()) {
                    current_block.nHeight = current_height;
                }
                if (fuzzed_data_provider.ConsumeBool()) {
                    const uint32_t seconds = current_height * consensus_params.nPowTargetSpacing;
                    if (!AdditionOverflow(fixed_time, seconds)) {
                        current_block.nTime = fixed_time + seconds;
                    }
                }
                if (fuzzed_data_provider.ConsumeBool()) {
                    current_block.nBits = fixed_bits;
                }
                if (fuzzed_data_provider.ConsumeBool()) {
                    current_block.nChainWork = previous_block != nullptr ? previous_block->nChainWork + GetBlockProof(*previous_block) : arith_uint256{0};
                } else {
                    current_block.nChainWork = ConsumeArithUInt256(fuzzed_data_provider);
                }
                blocks.push_back(current_block);
            }
            {
                (c_void)GetBlockProof(current_block);
                (c_void)CalculateNextWorkRequired(&current_block, fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(0, std::numeric_limits<int64_t>::max()), consensus_params);
                if (current_block.nHeight != std::numeric_limits<int>::max() && current_block.nHeight - (consensus_params.DifficultyAdjustmentInterval() - 1) >= 0) {
                    (c_void)GetNextWorkRequired(&current_block, &(*block_header), consensus_params);
                }
            }
            {
                const CBlockIndex* to = &PickValue(fuzzed_data_provider, blocks);
                const CBlockIndex* from = &PickValue(fuzzed_data_provider, blocks);
                const CBlockIndex* tip = &PickValue(fuzzed_data_provider, blocks);
                try {
                    (c_void)GetBlockProofEquivalentTime(*to, *from, *tip, consensus_params);
                } catch (const uint_error&) {
                }
            }
            {
                const std::optional<uint256> hash = ConsumeDeserializable<uint256>(fuzzed_data_provider);
                if (hash) {
                    (c_void)CheckProofOfWork(*hash, fuzzed_data_provider.ConsumeIntegral<unsigned int>(), consensus_params);
                }
            }
        }

    */
}