feat(meta): meta defichain

Cargo.toml

@@ -1,6 +1,8 @@
 [workspace]
 members = [
-    "meta/meta-consensus",
+    "meta/meta-defichain",
+    "meta/meta-defichain/rpc",
+    "meta/meta-defichain/rpc/runtime-api",
     "meta/meta-runtime",
     "meta/meta-node",
 ]

meta/meta-defichain/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "meta-defichain"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+codec 			          = { default-features = false, version = "3.1.5", features = ["derive", "max-encoded-len"], package = "parity-scale-codec" }
+scale-info 		          = { default-features = false, version = "2.1.2", features = ["derive"] }
+frame-support 	          = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+frame-system 	          = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+sp-api 		              = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+sp-runtime 		          = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+
+serde    		          = { version = "1.0.144", features = ["derive"], optional = true }
+
+[features]
+default = ["std"]
+std = [
+    "codec/std",
+    "scale-info/std",
+    "serde",
+    "frame-support/std",
+    "frame-system/std",
+    "sp-api/std",
+    "sp-runtime/std",
+]

meta/meta-defichain/rpc/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "meta-defichain-rpc"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+jsonrpsee       = { version = "0.14.0", features = ["server", "macros"] }
+
+sp-api 		    = { git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+sp-blockchain   = { git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+sp-runtime 		= { git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+
+meta-defichain-rpc-runtime-api  = { path = "./runtime-api", package = "meta-defichain-rpc-runtime-api"}
+
+[dev-dependencies]
+tokio                         = "1.17.0"
+sc-client-api                 = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.27" }
+substrate-test-runtime-client = { git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }

meta/meta-defichain/rpc/runtime-api/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "meta-defichain-rpc-runtime-api"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+sp-api 		              = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.27" }
+
+[features]
+default = ["std"]
+std = [
+    "sp-api/std",
+]

meta/meta-defichain/rpc/runtime-api/src/lib.rs

@@ -0,0 +1,7 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+sp_api::decl_runtime_apis! {
+	pub trait DefichainApi {
+		fn get_7() -> u64;
+	}
+}