Use array-bytes for All Array/Bytes/Hex Operations (#12190)

* Use `array-bytes` for All Array/Bytes/Hex Operations

Signed-off-by: Xavier Lau <xavier@inv.cafe>

* Reorder

* Self Review

* Format

* Fix Tests

* Bump `array-bytes`

* Optimize large test res

Signed-off-by: Xavier Lau <xavier@inv.cafe>
Co-authored-by: parity-processbot <>

substrate/primitives/core/Cargo.toml

@@ -47,13 +47,13 @@ thiserror = { version = "1.0.30", optional = true }
 bitflags = "1.3"
 
 # full crypto
+array-bytes = { version = "4.1", optional = true }
 ed25519-zebra = { version = "3.0.0", default-features = false, optional = true}
 blake2 = { version = "0.10.4", default-features = false, optional = true }
 schnorrkel = { version = "0.9.1", features = [
 	"preaudit_deprecated",
 	"u64_backend",
 ], default-features = false, optional = true }
-hex = { version = "0.4", default-features = false, optional = true }
 libsecp256k1 = { version = "0.7", default-features = false, features = ["static-context"], optional = true }
 merlin = { version = "2.0", default-features = false, optional = true }
 secp256k1 = { version = "0.24.0", default-features = false, features = ["recovery", "alloc"], optional = true }
@@ -63,7 +63,6 @@ sp-runtime-interface = { version = "6.0.0", default-features = false, path = "..
 
 [dev-dependencies]
 sp-serializer = { version = "4.0.0-dev", path = "../serializer" }
-hex-literal = "0.3.4"
 rand = "0.7.2"
 criterion = "0.3.3"
 serde_json = "1.0"
@@ -99,8 +98,8 @@ std = [
 	"sp-std/std",
 	"serde",
 	"blake2/std",
+	"array-bytes",
 	"ed25519-zebra",
-	"hex/std",
 	"base58",
 	"substrate-bip39",
 	"tiny-bip39",
@@ -129,10 +128,10 @@ std = [
 # or Intel SGX.
 # For the regular wasm runtime builds this should not be used.
 full_crypto = [
+	"array-bytes",
 	"ed25519-zebra",
 	"blake2",
 	"schnorrkel",
-	"hex",
 	"libsecp256k1",
 	"secp256k1",
 	"sp-core-hashing",