add support for different finality gadgets

.dockerignore

@@ -6,4 +6,5 @@ docs/
 data/
 scripts/
 testnets/
-two-chains/
+two-chains/
+go-export/target

Makefile

@@ -47,6 +47,20 @@ build-akash-docker:
 build-osmosis-docker:
 	docker build -t osmosis-labs/osmosis:$(OSMOSIS_VERSION) --build-arg VERSION=$(OSMOSIS_VERSION) -f ./docker/osmosis/Dockerfile .
 
+build-trie-lib-docker:
+	docker run -it -v $(CURDIR)/go-export:/proj -v $(CURDIR)/scripts:/scripts rust:alpine sh scripts/build_trie_docker.sh
+
+build-trie-lib:
+	cd go-export
+	cargo +nightly build -r -p go-export
+	cp target/release/*.a ../lib/
+	cp target/release/*.d ../lib/
+	cp target/.h ../lib/
+
+test-trie-lib:
+	cd go-export
+	cargo +nightly miri test -p go-export
+
 ###############################################################################
 # Tests / CI
 ###############################################################################

cmd/keys.go

@@ -6,7 +6,7 @@ Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
-    http://www.apache.org/licenses/LICENSE-2.0
+	http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
@@ -111,9 +111,11 @@ $ %s k r cosmoshub faucet-key "[mnemonic-words]"`, appName, appName)),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			keyName := args[1]
 
-			chain, ok := a.Config.Chains[args[0]]
+			chainName := args[0]
+			fmt.Println("Restoring key for chain", chainName)
+			chain, ok := a.Config.Chains[chainName]
 			if !ok {
-				return errChainNotFound(args[0])
+				return errChainNotFound(chainName)
 			}
 
 			if chain.ChainProvider.KeyExists(keyName) {

go-export/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "go-export"
+version = "0.1.0"
+edition = "2021"
+build = "build.rs"
+
+[lib]
+crate-type = ["cdylib", "staticlib"]
+
+[dependencies]
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.27" }
+sp-trie = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.27" }
+light-client-common = { git = "https://github.com/ComposableFi/centauri", branch = "master" }
+
+[dev-dependencies]
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.27" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.27" }
+hex-literal = "0.3.4"
+hex = "0.4.3"
+rand = "0.8.5"
+
+[build-dependencies]
+cbindgen = "0.24.3"

go-export/build.rs

@@ -0,0 +1,35 @@
+extern crate cbindgen;
+
+use cbindgen::{Config, Language};
+use std::{env, path::PathBuf};
+
+fn main() {
+    let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+
+    let package_name = env::var("CARGO_PKG_NAME").unwrap();
+    let output_file = target_dir()
+        .join(format!("{}.h", package_name))
+        .display()
+        .to_string();
+
+    let config = Config {
+        namespace: Some(String::from("ffi")),
+        language: Language::C,
+        ..Default::default()
+    };
+
+    cbindgen::generate_with_config(&crate_dir, config)
+        .unwrap()
+        .write_to_file(&output_file);
+}
+
+/// Find the location of the `target/` directory. Note that this may be
+/// overridden by `cmake`, so we also need to check the `CARGO_TARGET_DIR`
+/// variable.
+fn target_dir() -> PathBuf {
+    if let Ok(target) = env::var("CARGO_TARGET_DIR") {
+        PathBuf::from(target)
+    } else {
+        PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("target")
+    }
+}