Clone proto and substreams from tycho-indexer

proto/tycho/evm/v1/vm.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+
+package tycho.evm.v1;
+
+import "tycho/evm/v1/common.proto";
+
+message ContractSlot {
+  bytes slot = 2;
+  bytes value = 3;
+}
+
+message ContractChange {
+  bytes address = 1;
+  // empty bytes indicates no change
+  bytes balance = 2;
+  // empty bytes indicates no change
+  bytes code = 3;
+  // empty sequence indicates no change
+  repeated ContractSlot slots = 4;
+  // Whether this is an update, creation or deletion
+  ChangeType change = 5;
+}
+
+message TransactionContractChanges {
+  Transaction tx = 1;
+  repeated ContractChange contract_changes = 2;
+  repeated ProtocolComponent component_changes = 3;
+  repeated BalanceChange balance_changes = 4;
+}
+
+message BlockContractChanges {
+  Block block = 1;
+  repeated TransactionContractChanges changes = 2;
+}