one commit contains all impl

libvanity/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "libvanity"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tonic = "0.8"
+prost = "0.11"
+
+[build-dependencies]
+tonic-build = "0.8"

libvanity/build.rs

@@ -0,0 +1,11 @@
+fn main() -> std::io::Result<()> {
+    let descriptor_path =
+        std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap()).join("descriptor.bin");
+    tonic_build::configure()
+        .build_client(true)
+        .build_server(true)
+        .file_descriptor_set_path(descriptor_path)
+        .compile(&["vanity.proto", "worker.proto"], &["protos"])?;
+
+    Ok(())
+}

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);
+}

libvanity/src/lib.rs

@@ -0,0 +1,9 @@
+pub mod vanity {
+    tonic::include_proto!("vanity");
+}
+
+pub mod worker {
+    tonic::include_proto!("worker");
+}
+
+pub const FILE_DESCRIPTOR_SET: &[u8] = tonic::include_file_descriptor_set!("descriptor");