shield assets (#1689)

* instantiate assets pallet

* listen to ForeignAssets.Transferred events on target_b

* skeleton STF for assets

* implemented assets functionality. no fees yet

* charge fees in same asset

* more robust shard vault init

* purge earlier

* shielding executes

* refactor cli directory structure

* implement cli functionality for assets

* upgrade to XCMv5

* shield-xfer-unshield works for USDC.e

* default to native, failover to asset for charging fees

* clippy

* fix evm fees

* get rid of explicit 'unsupported' AssetIf variant

* cleanup and alignments

* fix runtime

* review fixes

* map assets per shielding target and support native assets too

* fix cli

* fixes. native assets tested successfully too

* fmt

* clippy

* additional check

* fix tests

* fix broken M6 scenario for OCW

Author: brenzi

Cargo.lock

@@ -2227,6 +2227,12 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ebdb29d2ea9ed0083cd8cece49bbd968021bd99b0849edb4a9a7ee0fdf6a4e0"
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.8.1"
@@ -2578,6 +2584,7 @@ dependencies = [
  "env_logger 0.9.3",
  "hdrhistogram",
  "hex",
+ "ita-assets-map",
  "ita-parentchain-interface",
  "ita-stf",
  "itc-rpc-client",
@@ -2590,6 +2597,7 @@ dependencies = [
  "itp-utils",
  "its-primitives",
  "log 0.4.22",
+ "pallet-assets",
  "pallet-balances",
  "pallet-enclave-bridge",
  "pallet-evm",
@@ -2763,6 +2771,19 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "ita-assets-map"
+version = "0.1.0"
+dependencies = [
+ "hex",
+ "hex-literal 0.4.1",
+ "ita-parentchain-specs",
+ "itp-types",
+ "parity-scale-codec",
+ "scale-info",
+ "serde 1.0.193",
+]
+
 [[package]]
 name = "ita-oracle"
 version = "0.9.0"
@@ -2788,6 +2809,8 @@ version = "0.9.0"
 dependencies = [
  "bs58",
  "env_logger 0.9.3",
+ "hex-literal 0.4.1",
+ "ita-assets-map",
  "ita-sgx-runtime",
  "ita-stf",
  "itc-parentchain",
@@ -2828,8 +2851,10 @@ dependencies = [
  "frame-executive",
  "frame-support",
  "frame-system",
+ "ita-assets-map",
  "itp-randomness",
  "itp-sgx-runtime-primitives",
+ "pallet-assets",
  "pallet-balances",
  "pallet-evm",
  "pallet-guess-the-number",
@@ -2855,6 +2880,7 @@ dependencies = [
  "base58",
  "frame-support",
  "frame-system",
+ "ita-assets-map",
  "ita-parentchain-specs",
  "ita-sgx-runtime",
  "itp-hashing",
@@ -3689,6 +3715,7 @@ dependencies = [
  "itp-sgx-runtime-primitives",
  "itp-stf-primitives",
  "itp-utils",
+ "pallet-assets",
  "pallet-balances",
  "parity-scale-codec",
  "serde 1.0.193",
@@ -6861,7 +6888,7 @@ dependencies = [
  "der 0.6.1",
  "frame-support",
  "hex",
- "hex-literal",
+ "hex-literal 0.3.4",
  "log 0.4.22",
  "parity-scale-codec",
  "ring 0.16.20",

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 resolver = "2"
 members = [
+    "app-libs/assets-map",
     "app-libs/oracle",
     "app-libs/parentchain-interface",
     "app-libs/parentchain-specs",

app-libs/assets-map/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "ita-assets-map"
+version = "0.1.0"
+authors = ["Integritee AG <[email protected]>"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+hex = { version = "0.4.3", default-features = false, features = ["alloc"] }
+hex-literal = "0.4.1"
+ita-parentchain-specs = { default-features = false, path = "../parentchain-specs" }
+itp-types = { default-features = false, path = "../../core-primitives/types" }
+scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
+
+[features]
+default = ["std"]
+
+std = [
+    "codec/std",
+    "scale-info/std",
+    "serde/std",
+    "hex/std",
+    "ita-parentchain-specs/std",
+    "itp-types/std",
+]