Squashed commit of Rust-ifying the repo:

commit e31c1965a2e6b9a21ce68be63b81915b2b090f1d
Author: Hernando Castano <castano.ha@gmail.com>
Date:   Sun Feb 2 21:15:42 2020 -0500

    Get Ethereum bridge module compiling

commit a497fc1640e68682f61b39414ffb15206c6120e2
Author: Hernando Castano <castano.ha@gmail.com>
Date:   Thu Jan 30 12:15:43 2020 -0500

    Make the toml file look a bit better

commit 898fb7b06cfac7cf866e1a28fed9a4f02bd246a7
Author: Hernando Castano <castano.ha@gmail.com>
Date:   Thu Jan 30 12:06:27 2020 -0500

    Get substrate bridge module compiling

commit 81e1547e6bec9f590cad9ffba0ee5dfa82cda1c1
Author: Hernando Castano <castano.ha@gmail.com>
Date:   Thu Jan 30 11:40:29 2020 -0500

    Create workspace and move more files around

bridges/modules/substrate/Cargo.toml

@@ -0,0 +1,76 @@
+[package]
+name = "pallet-bridge"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
+serde = { version = "1.0", optional = true }
+
+# Substrate Based Dependencies
+[dependencies.frame-support]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.frame-system]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.hash-db]
+version = "0.15.2"
+default-features = false
+
+[dependencies.pallet-session]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.sp-core]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.sp-finality-grandpa]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.sp-runtime]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dependencies.sp-trie]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+# Dev Dependencies
+[dev-dependencies.sp-io]
+version = "2.0.0"
+git = "https://github.com/paritytech/substrate.git"
+default-features = false
+
+[dev-dependencies.sp-state-machine]
+version = "0.8.0"
+git = "https://github.com/paritytech/substrate.git"
+
+[features]
+default = ["std"]
+std = [
+	"serde",
+	"codec/std",
+	"frame-support/std",
+	"frame-system/std",
+	"pallet-session/std",
+	"sp-core/std",
+	"sp-finality-grandpa/std",
+	"sp-runtime/std",
+	"sp-trie/std",
+	"sp-io/std",
+]

bridges/modules/substrate/src/lib.rs

@@ -85,7 +85,7 @@ decl_storage! {
 
 		/// Maps a bridge id to a bridge struct. Allows a single
 		/// `bridge` module to manage multiple bridges.
-		pub TrackedBridges get(tracked_bridges): map BridgeId => Option<BridgeInfo<T>>;
+		pub TrackedBridges get(tracked_bridges): map hasher(blake2_256) BridgeId => Option<BridgeInfo<T>>;
 	}
 }