fix: use erc6492 lib and remove dedicated ERC-1271 verification logic

Author: chris13524

Cargo.toml

@@ -44,3 +44,6 @@ required-features = ["client", "rpc"]
 
 [lints.clippy]
 indexing_slicing = "deny"
+
+# [patch."https://github.com/WalletConnect/erc6492.git"]
+# erc6492 = { path = "../erc6492-rs" }

relay_rpc/Cargo.toml

@@ -5,19 +5,12 @@ edition = "2021"
 license = "Apache-2.0"
 
 [features]
+default = ["cacao"]
 cacao = [
     "dep:k256",
-    "dep:sha3",
     "dep:alloy-provider",
-    "dep:alloy-transport",
-    "dep:alloy-transport-http",
-    "dep:alloy-rpc-types",
-    "dep:alloy-json-rpc",
-    "dep:alloy-json-abi",
-    "dep:alloy-sol-types",
     "dep:alloy-primitives",
-    "dep:alloy-node-bindings",
-    "dep:alloy-contract"
+    "dep:erc6492",
 ]
 
 [dependencies]
@@ -43,27 +36,15 @@ regex = "1.7"
 once_cell = "1.16"
 jsonwebtoken = "8.1"
 k256 = { version = "0.13", optional = true }
-sha3 = { version = "0.10", optional = true }
 sha2 = { version = "0.10.6" }
 url = "2"
 alloy-provider = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-transport = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-transport-http = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-rpc-types = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-json-rpc = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-node-bindings = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-contract = { git = "https://github.com/alloy-rs/alloy.git", rev = "d68a6b7", optional = true }
-alloy-json-abi = { version = "0.7.0", optional = true }
-alloy-sol-types = { version = "0.7.0", optional = true }
 alloy-primitives = { version = "0.7.0", optional = true }
+erc6492 = { git = "https://github.com/WalletConnect/erc6492.git", optional = true }
 strum = { version = "0.26", features = ["strum_macros", "derive"] }
 
 [dev-dependencies]
 tokio = { version = "1.35.1", features = ["test-util", "macros"] }
 
-[build-dependencies]
-serde_json = "1.0"
-hex = "0.4.3"
-
 [lints.clippy]
 indexing_slicing = "deny"