Add dataset loading script

ethereum_statistics.py

@@ -0,0 +1,26 @@
+import datasets
+
+class EthereumStatistics(datasets.GeneratorBasedBuilder):
+    def _info(self):
+        return datasets.DatasetInfo(
+            description="Metrics for Ethereum blocks conflict graphs using two tracers."
+        )
+
+    def _split_generators(self, dl_manager):
+        urls = {
+            "callTracer": "https://huggingface.co/datasets/dbiton/EthereumStatistics/raw/main/metrics_callTracer_conflict_graph.csv",
+            "prestateTracer": "https://huggingface.co/datasets/dbiton/EthereumStatistics/raw/main/metrics_prestateTracer_conflict_graph.csv"
+        }
+        downloaded_files = dl_manager.download_and_extract(urls)
+
+        return [
+            datasets.SplitGenerator(name=datasets.Split("call_tracer"), gen_kwargs={"filepath": downloaded_files["call_tracer"]}),
+            datasets.SplitGenerator(name=datasets.Split("prestate_tracer"), gen_kwargs={"filepath": downloaded_files["prestate_tracer"]}),
+        ]
+
+    def _generate_examples(self, filepath):
+        import csv
+        with open(filepath, encoding="utf-8") as f:
+            reader = csv.DictReader(f)
+            for idx, row in enumerate(reader):
+                yield idx, row