feat(AU): charge storage fee and add initial CE

chain-extensions/types/unified-accounts/src/lib.rs

@@ -19,7 +19,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use num_enum::{IntoPrimitive, TryFromPrimitive};
-use parity_scale_codec::{Decode, Encode};
+use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
 
 #[repr(u16)]
 #[derive(TryFromPrimitive, IntoPrimitive, Decode, Encode)]
@@ -33,3 +33,10 @@ pub enum Command {
     /// Get the mapped Native address if any otheriwse default associated Native address
     GetNativeAddressOrDefault = 3,
 }
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Encode, Decode, MaxEncodedLen)]
+#[cfg_attr(feature = "std", derive(scale_info::TypeInfo))]
+pub enum UnifiedAddress<T: Encode + Decode> {
+    Mapped(T),
+    Default(T),
+}

chain-extensions/unified-accounts/src/lib.rs

@@ -31,7 +31,10 @@ use pallet_contracts::chain_extension::{
 };
 use pallet_evm::AddressMapping;
 use parity_scale_codec::Encode;
-pub use unified_accounts_chain_extension_types::Command::{self, *};
+pub use unified_accounts_chain_extension_types::{
+    Command::{self, *},
+    UnifiedAddress,
+};
 
 #[derive(DefaultNoBound)]
 pub struct UnifiedAccountsExtension<T, UA>(PhantomData<(T, UA)>);
@@ -63,16 +66,13 @@ where
                 let base_weight = <T as frame_system::Config>::DbWeight::get().reads(1);
                 env.charge_weight(base_weight)?;
 
-                // read the storage item
-                let mapped = UA::to_h160(&account_id);
-
-                let is_mapped = mapped.is_some();
-                let evm_address = mapped.unwrap_or_else(|| {
-                    // fallback to default account_id
-                    T::DefaultNativeToEvm::into_h160(account_id)
-                });
+                let evm_address = if let Some(h160) = UA::to_h160(&account_id) {
+                    UnifiedAddress::Mapped(h160)
+                } else {
+                    UnifiedAddress::Default(T::DefaultNativeToEvm::into_h160(account_id))
+                };
                 // write to buffer
-                (evm_address, is_mapped).using_encoded(|r| env.write(r, false, None))?;
+                evm_address.using_encoded(|r| env.write(r, false, None))?;
             }
             GetNativeAddress => {
                 let evm_address: EvmAddress = env.read_as()?;
@@ -89,16 +89,14 @@ where
                 env.charge_weight(base_weight)?;
 
                 // read the storage item
-                let mapped = UA::to_account_id(&evm_address);
-
-                let is_mapped = mapped.is_some();
-                let native_address = mapped.unwrap_or_else(|| {
-                    // fallback to default evm_address
-                    T::DefaultEvmToNative::into_account_id(evm_address)
-                });
+                let native_address = if let Some(native) = UA::to_account_id(&evm_address) {
+                    UnifiedAddress::Mapped(native)
+                } else {
+                    UnifiedAddress::Default(T::DefaultEvmToNative::into_account_id(evm_address))
+                };
 
                 // write to buffer
-                (native_address, is_mapped).using_encoded(|r| env.write(r, false, None))?;
+                native_address.using_encoded(|r| env.write(r, false, None))?;
             }
         };
         Ok(RetVal::Converging(0))

tests/ink-contracts/au_ce_getters.json

@@ -1,6 +1,6 @@
 {
   "source": {
-    "hash": "0x5eb72ad6cdb6869bb8419ae07ff533bca787346360e58713c679f14679e188f7",
+    "hash": "0x0cfe2b4d2b98a121c0ce38b07d826f1e4d0c7d9870ff84239cd554b32904617d",
     "language": "ink! 4.3.0",
     "compiler": "rustc 1.72.0",
     "build_info": {
@@ -52,32 +52,32 @@
         "displayName": [
           "Balance"
         ],
-        "type": 14
+        "type": 16
       },
       "blockNumber": {
         "displayName": [
           "BlockNumber"
         ],
-        "type": 17
+        "type": 19
       },
       "chainExtension": {
         "displayName": [
           "ChainExtension"
         ],
-        "type": 18
+        "type": 20
       },
       "hash": {
         "displayName": [
           "Hash"
         ],
-        "type": 15
+        "type": 17
       },
       "maxEventTopics": 4,
       "timestamp": {
         "displayName": [
           "Timestamp"
         ],
-        "type": 16
+        "type": 18
       }
     },
     "events": [],
@@ -105,7 +105,7 @@
         "docs": [],
         "label": "to_h160",
         "mutates": false,
-        "payable": true,
+        "payable": false,
         "returnType": {
           "displayName": [
             "ink",
@@ -131,7 +131,7 @@
         "docs": [],
         "label": "to_h160_or_default",
         "mutates": false,
-        "payable": true,
+        "payable": false,
         "returnType": {
           "displayName": [
             "ink",
@@ -157,13 +157,13 @@
         "docs": [],
         "label": "to_account_id",
         "mutates": false,
-        "payable": true,
+        "payable": false,
         "returnType": {
           "displayName": [
             "ink",
             "MessageResult"
           ],
-          "type": 11
+          "type": 12
         },
         "selector": "0x0000002c"
       },
@@ -183,13 +183,13 @@
         "docs": [],
         "label": "to_account_id_or_default",
         "mutates": false,
-        "payable": true,
+        "payable": false,
         "returnType": {
           "displayName": [
             "ink",
             "MessageResult"
           ],
-          "type": 13
+          "type": 14
         },
         "selector": "0x0000002d"
       }
@@ -429,7 +429,7 @@
               {
                 "fields": [
                   {
-                    "type": 8
+                    "type": 11
                   }
                 ],
                 "index": 0,
@@ -450,7 +450,7 @@
         "params": [
           {
             "name": "T",
-            "type": 8
+            "type": 11
           },
           {
             "name": "E",
@@ -471,7 +471,48 @@
               {
                 "fields": [
                   {
-                    "type": 12
+                    "type": 8,
+                    "typeName": "T"
+                  }
+                ],
+                "index": 0,
+                "name": "Mapped"
+              },
+              {
+                "fields": [
+                  {
+                    "type": 8,
+                    "typeName": "T"
+                  }
+                ],
+                "index": 1,
+                "name": "Default"
+              }
+            ]
+          }
+        },
+        "params": [
+          {
+            "name": "T",
+            "type": 8
+          }
+        ],
+        "path": [
+          "unified_accounts_chain_extension_types",
+          "UnifiedAddress"
+        ]
+      }
+    },
+    {
+      "id": 12,
+      "type": {
+        "def": {
+          "variant": {
+            "variants": [
+              {
+                "fields": [
+                  {
+                    "type": 13
                   }
                 ],
                 "index": 0,
@@ -492,7 +533,7 @@
         "params": [
           {
             "name": "T",
-            "type": 12
+            "type": 13
           },
           {
             "name": "E",
@@ -505,7 +546,7 @@
       }
     },
     {
-      "id": 12,
+      "id": 13,
       "type": {
         "def": {
           "variant": {
@@ -538,15 +579,15 @@
       }
     },
     {
-      "id": 13,
+      "id": 14,
       "type": {
         "def": {
           "variant": {
             "variants": [
               {
                 "fields": [
                   {
-                    "type": 3
+                    "type": 15
                   }
                 ],
                 "index": 0,
@@ -567,7 +608,7 @@
         "params": [
           {
             "name": "T",
-            "type": 3
+            "type": 15
           },
           {
             "name": "E",
@@ -580,15 +621,56 @@
       }
     },
     {
-      "id": 14,
+      "id": 15,
+      "type": {
+        "def": {
+          "variant": {
+            "variants": [
+              {
+                "fields": [
+                  {
+                    "type": 3,
+                    "typeName": "T"
+                  }
+                ],
+                "index": 0,
+                "name": "Mapped"
+              },
+              {
+                "fields": [
+                  {
+                    "type": 3,
+                    "typeName": "T"
+                  }
+                ],
+                "index": 1,
+                "name": "Default"
+              }
+            ]
+          }
+        },
+        "params": [
+          {
+            "name": "T",
+            "type": 3
+          }
+        ],
+        "path": [
+          "unified_accounts_chain_extension_types",
+          "UnifiedAddress"
+        ]
+      }
+    },
+    {
+      "id": 16,
       "type": {
         "def": {
           "primitive": "u128"
         }
       }
     },
     {
-      "id": 15,
+      "id": 17,
       "type": {
         "def": {
           "composite": {
@@ -608,23 +690,23 @@
       }
     },
     {
-      "id": 16,
+      "id": 18,
       "type": {
         "def": {
           "primitive": "u64"
         }
       }
     },
     {
-      "id": 17,
+      "id": 19,
       "type": {
         "def": {
           "primitive": "u32"
         }
       }
     },
     {
-      "id": 18,
+      "id": 20,
       "type": {
         "def": {
           "variant": {}

tests/integration/Cargo.toml

@@ -38,6 +38,7 @@ pallet-evm-precompile-assets-erc20 = { workspace = true }
 pallet-evm-precompile-dispatch = { workspace = true }
 pallet-unified-accounts = { workspace = true }
 precompile-utils = { workspace = true }
+unified-accounts-chain-extension-types = { workspace = true }
 
 astar-primitives = { workspace = true }
 astar-runtime = { workspace = true, features = ["std"], optional = true }