Copy over fsm crates, wire up activity skeleton I made earlier

.buildkite/pipeline.yml

@@ -23,7 +23,7 @@ steps:
     agents:
       queue: "default"
       docker: "*"
-    command: "cargo test"
+    command: "cargo test --workspace"
     timeout_in_minutes: 15
     plugins:
       - docker-compose#v3.0.0:

Cargo.toml

@@ -8,10 +8,17 @@ edition = "2018"
 
 [dependencies]
 async-trait = "0.1"
+derive_more = "0.99"
 prost = "0.6"
 prost-types = "0.6"
 thiserror = "1.0"
 tonic = "0.3"
 
+[dependencies.rustfsm]
+path = "fsm"
+
 [build-dependencies]
-tonic-build = "0.3"
+tonic-build = "0.3"
+
+[workspace]
+members = [".", "fsm"]

fsm/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "rustfsm"
+version = "0.1.0"
+authors = ["Spencer Judge <sjudge@hey.com>"]
+edition = "2018"
+
+[[test]]
+name = "card_reader"
+path = "tests/card_reader.rs"
+
+[dependencies]
+thiserror = "1.0"
+derive_more = "0.99"
+state_machine_procmacro = { path = "state_machine_procmacro" }
+state_machine_trait = { path = "state_machine_trait" }

fsm/README.md

@@ -0,0 +1,3 @@
+A procmacro and trait for implementing state machines in Rust
+
+We should move this to it's own repo once we're done iterating.

fsm/src/lib.rs

@@ -0,0 +1,2 @@
+pub use state_machine_procmacro::fsm;
+pub use state_machine_trait::{StateMachine, TransitionResult};

fsm/state_machine_procmacro/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "state_machine_procmacro"
+version = "0.1.0"
+authors = ["Spencer Judge <sjudge@hey.com>"]
+edition = "2018"
+
+[lib]
+proc-macro = true
+
+[[test]]
+name = "tests"
+path = "tests/progress.rs"
+
+[dependencies]
+derive_more = "0.99"
+proc-macro2 = "1.0"
+syn = { version = "1.0", features = ["default", "extra-traits"] }
+quote = "1.0"
+state_machine_trait = { path = "../state_machine_trait" }
+
+[dev-dependencies]
+trybuild = { version = "1.0", features = ["diff"] }
+