Use sp-metadata-ir from substrate to work with metadata

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

Cargo.lock

@@ -2937,7 +2937,7 @@ dependencies = [
  "serde",
  "sp-core",
  "sp-io",
- "sp-std",
+ "sp-std 7.0.0",
 ]
 
 [[package]]
@@ -2951,7 +2951,7 @@ dependencies = [
  "parity-scale-codec",
  "scale-info",
  "serde",
- "sp-std",
+ "sp-std 7.0.0",
  "static_assertions",
 ]
 
@@ -2990,7 +2990,7 @@ dependencies = [
  "sp-debug-derive",
  "sp-externalities",
  "sp-runtime-interface",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-storage",
  "ss58-registry",
  "substrate-bip39",
@@ -3010,7 +3010,7 @@ dependencies = [
  "digest 0.10.6",
  "sha2 0.10.6",
  "sha3",
- "sp-std",
+ "sp-std 7.0.0",
  "twox-hash",
 ]
 
@@ -3045,7 +3045,7 @@ checksum = "8ae0f275760689aaefe967943331d458cd99f5169d18364365d4cb584b246d1c"
 dependencies = [
  "environmental",
  "parity-scale-codec",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-storage",
 ]
 
@@ -3068,7 +3068,7 @@ dependencies = [
  "sp-keystore",
  "sp-runtime-interface",
  "sp-state-machine",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-tracing",
  "sp-trie",
  "tracing",
@@ -3104,6 +3104,17 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "sp-metadata-ir"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/substrate.git#da9f88dcac328d8f6de38dd61e33078c20bd6685"
+dependencies = [
+ "frame-metadata",
+ "parity-scale-codec",
+ "scale-info",
+ "sp-std 5.0.0",
+]
+
 [[package]]
 name = "sp-panic-handler"
 version = "7.0.0"
@@ -3134,7 +3145,7 @@ dependencies = [
  "sp-arithmetic",
  "sp-core",
  "sp-io",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-weights",
 ]
 
@@ -3150,7 +3161,7 @@ dependencies = [
  "primitive-types",
  "sp-externalities",
  "sp-runtime-interface-proc-macro",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-storage",
  "sp-tracing",
  "sp-wasm-interface",
@@ -3185,12 +3196,17 @@ dependencies = [
  "sp-core",
  "sp-externalities",
  "sp-panic-handler",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-trie",
  "thiserror",
  "tracing",
 ]
 
+[[package]]
+name = "sp-std"
+version = "5.0.0"
+source = "git+https://github.com/paritytech/substrate.git#da9f88dcac328d8f6de38dd61e33078c20bd6685"
+
 [[package]]
 name = "sp-std"
 version = "7.0.0"
@@ -3208,7 +3224,7 @@ dependencies = [
  "ref-cast",
  "serde",
  "sp-debug-derive",
- "sp-std",
+ "sp-std 7.0.0",
 ]
 
 [[package]]
@@ -3218,7 +3234,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00fab60bf3d42255ce3f678903d3a2564662371c75623de4a1ffc7cac46143df"
 dependencies = [
  "parity-scale-codec",
- "sp-std",
+ "sp-std 7.0.0",
  "tracing",
  "tracing-core",
  "tracing-subscriber 0.2.25",
@@ -3241,7 +3257,7 @@ dependencies = [
  "scale-info",
  "schnellru",
  "sp-core",
- "sp-std",
+ "sp-std 7.0.0",
  "thiserror",
  "tracing",
  "trie-db",
@@ -3261,7 +3277,7 @@ dependencies = [
  "serde",
  "sp-core-hashing-proc-macro",
  "sp-runtime",
- "sp-std",
+ "sp-std 7.0.0",
  "sp-version-proc-macro",
  "thiserror",
 ]
@@ -3288,7 +3304,7 @@ dependencies = [
  "impl-trait-for-tuples",
  "log",
  "parity-scale-codec",
- "sp-std",
+ "sp-std 7.0.0",
  "wasmi",
  "wasmtime",
 ]
@@ -3306,7 +3322,7 @@ dependencies = [
  "sp-arithmetic",
  "sp-core",
  "sp-debug-derive",
- "sp-std",
+ "sp-std 7.0.0",
 ]
 
 [[package]]
@@ -3500,6 +3516,7 @@ dependencies = [
  "parity-scale-codec",
  "scale-info",
  "sp-core-hashing",
+ "sp-metadata-ir",
 ]
 
 [[package]]

metadata/Cargo.toml

@@ -18,6 +18,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", default-features =
 frame-metadata = { version = "15.1.0", features = ["v14", "v15-unstable", "std"] }
 scale-info = "2.5.0"
 sp-core-hashing = "7.0.0"
+sp-metadata-ir = { git = "https://github.com/paritytech/substrate.git", version = "0.1.0" }
 
 [dev-dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }

metadata/src/lib.rs

@@ -5,6 +5,8 @@
 mod retain;
 mod validation;
 
+pub use sp_metadata_ir as metadata_ir;
+
 pub use retain::retain_metadata_pallets;
 pub use validation::{
     get_call_hash, get_constant_hash, get_metadata_hash, get_metadata_per_pallet_hash,