Rename the coins folder to networks (#583)

* Rename the coins folder to networks

Ethereum isn't a coin. It's a network.

Resolves #357.

* More renames of coins -> networks in orchestration

* Correct paths in tests/

* cargo fmt

orchestration/src/networks/ethereum/mod.rs

@@ -0,0 +1,43 @@
+use std::path::Path;
+
+use crate::{Network, Os, mimalloc, os, write_dockerfile};
+
+mod execution;
+use execution::*;
+
+mod consensus;
+use consensus::*;
+
+pub fn ethereum(orchestration_path: &Path, network: Network) {
+  let ((el_download, el_run_as_root, el_run), (cl_download, cl_run_as_root, cl_run)) =
+    if network == Network::Dev {
+      (anvil(network), (String::new(), String::new(), String::new()))
+    } else {
+      // TODO: Select an EL/CL based off a RNG seeded from the public key
+      (reth(network), nimbus(network))
+    };
+
+  let download = mimalloc(Os::Alpine).to_string() + &el_download + &cl_download;
+
+  let run = format!(
+    r#"
+ADD /orchestration/{}/networks/ethereum/run.sh /run.sh
+CMD ["/run.sh"]
+"#,
+    network.label()
+  );
+  let run = mimalloc(Os::Debian).to_string() +
+    &os(Os::Debian, &(el_run_as_root + "\r\n" + &cl_run_as_root), "ethereum") +
+    &el_run +
+    &cl_run +
+    &run;
+
+  let res = download + &run;
+
+  let mut ethereum_path = orchestration_path.to_path_buf();
+  ethereum_path.push("networks");
+  ethereum_path.push("ethereum");
+  ethereum_path.push("Dockerfile");
+
+  write_dockerfile(ethereum_path, &res);
+}