| 41 | static const uint64_t MEMPOOL_DUMP_VERSION{2}; |
| 42 | |
| 43 | bool LoadMempool(CTxMemPool& pool, const fs::path& load_path, Chainstate& active_chainstate, ImportMempoolOptions&& opts) |
| 44 | { |
| 45 | if (load_path.empty()) return false; |
| 46 | |
| 47 | AutoFile file{opts.mockable_fopen_function(load_path, "rb")}; |
| 48 | if (file.IsNull()) { |
| 49 | LogInfo("Failed to open mempool file. Continuing anyway.\n"); |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | int64_t count = 0; |
| 54 | int64_t expired = 0; |
| 55 | int64_t failed = 0; |
| 56 | int64_t already_there = 0; |
| 57 | int64_t unbroadcast = 0; |
| 58 | const auto now{NodeClock::now()}; |
| 59 | |
| 60 | try { |
| 61 | uint64_t version; |
| 62 | file >> version; |
| 63 | |
| 64 | if (version == MEMPOOL_DUMP_VERSION_NO_XOR_KEY) { |
| 65 | file.SetObfuscation({}); |
| 66 | } else if (version == MEMPOOL_DUMP_VERSION) { |
| 67 | Obfuscation obfuscation; |
| 68 | file >> obfuscation; |
| 69 | file.SetObfuscation(obfuscation); |
| 70 | } else { |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | uint64_t total_txns_to_load; |
| 75 | file >> total_txns_to_load; |
| 76 | uint64_t txns_tried = 0; |
| 77 | LogInfo("Loading %u mempool transactions from file...\n", total_txns_to_load); |
| 78 | int next_tenth_to_report = 0; |
| 79 | while (txns_tried < total_txns_to_load) { |
| 80 | const int percentage_done(100.0 * txns_tried / total_txns_to_load); |
| 81 | if (next_tenth_to_report < percentage_done / 10) { |
| 82 | LogInfo("Progress loading mempool transactions from file: %d%% (tried %u, %u remaining)\n", |
| 83 | percentage_done, txns_tried, total_txns_to_load - txns_tried); |
| 84 | next_tenth_to_report = percentage_done / 10; |
| 85 | } |
| 86 | ++txns_tried; |
| 87 | |
| 88 | CTransactionRef tx; |
| 89 | int64_t nTime; |
| 90 | int64_t nFeeDelta; |
| 91 | file >> TX_WITH_WITNESS(tx); |
| 92 | file >> nTime; |
| 93 | file >> nFeeDelta; |
| 94 | |
| 95 | if (opts.use_current_time) { |
| 96 | nTime = TicksSinceEpoch<std::chrono::seconds>(now); |
| 97 | } |
| 98 | |
| 99 | CAmount amountdelta = nFeeDelta; |
| 100 | if (amountdelta && opts.apply_fee_delta_priority) { |
no test coverage detected