one commit contains all impl

libvanity/protos/vanity.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package vanity;
+
+message VanityRequest {
+    string pattern = 1;
+}
+
+message VanityResponse {
+    string result = 1;
+}
+
+service VanityService {
+    rpc RequestVanity(VanityRequest) returns (VanityResponse);
+}

libvanity/protos/worker.proto

@@ -0,0 +1,26 @@
+syntax = "proto3";
+
+package worker;
+
+import "vanity.proto";
+
+message NewRequest {
+    uint64 id = 1;
+    string pattern = 2;
+}
+
+message Request {
+    oneof NewOrDone {
+        NewRequest new = 1;
+        uint64 done = 2;
+    }
+}
+
+message Result {
+    uint64 id = 1;
+    string result = 2;
+}
+
+service Worker {
+    rpc Poll(stream Result) returns (stream Request);
+}