static void ExportChunk(uint chunkID, uint maxBlock, NeoAPI api) { var fileName = "chain/chunk" + chunkID; if (File.Exists(fileName)) { var blocks = LoadChunk(fileName); if (blocks.Count == chunkSize) { return; } } var lines = new List <string>(); uint startBlock = chunkID * chunkSize; uint endBlock = startBlock + (chunkSize - 1); for (uint i = startBlock; i <= endBlock; i++) { if (i > maxBlock) { break; } var response = api.QueryRPC("getblock", new object[] { i }); var blockData = response.GetString("result"); lines.Add(blockData); } ExportBlocks(chunkID, startBlock, lines); }