First version of the Ethereum explorer

ethereum-explorer/proto/block_meta.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+package eth.block_meta.v1;
+
+message BlockMeta {
+  uint64 number = 1;
+  string hash = 2;
+  string parent_hash = 3;
+}

ethereum-explorer/proto/event.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package eth.event.v1;
+
+message Events {
+    repeated Event events = 1;
+}
+
+message Event {
+    string address = 1;
+    repeated string topics = 2;
+    string tx_hash = 3;
+}

ethereum-explorer/proto/transaction.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package eth.transaction.v1;
+
+message TransactionOption {
+  Transaction transaction = 1;
+}
+
+message Transaction {
+  string from = 1;
+  string to = 2;
+  string hash = 3;
+}