fix(curve): Add weth as stateless contract for CryptoPool with ETH

substreams/ethereum-curve/integration_test.tycho.yaml

@@ -222,6 +222,27 @@ tests:
         creation_tx: "0xa5b13d50c56242f7994b8e1339032bb4c6f9ac3af3054d4eae3ce9e32e3c1a50"
         skip_simulation: true # Reason: this pool has no liquidity at stop_block
 
+  # CryptoPool factory 0xF18056Bbd320E96A48e3Fbf8bC061322531aac99 - with ETH
+  - name: test_cryptopool_factory
+    start_block: 19278886
+    stop_block: 19278926
+    expected_components:
+      - id: "0x99e09ee2d6Bb16c0F5ADDfEA649dbB2C1d524624"
+        tokens:
+          - "0x0000000000000000000000000000000000000000"
+          - "0x55296f69f40Ea6d20E478533C15A6B08B654E758"
+        static_attributes:
+          name: "0x343030303030" # 400000
+          pool_type: "0x63727970746f5f706f6f6c" # crypto_pool
+          factory: "0x307866313830353662626433323065393661343865336662663862633036313332323533316161633939" # 0xf18056bbd320e96a48e3fb8bc061322531aacc99
+          factory_name: "0x63727970746f5f706f6f6c5f666163746f7279" # crypto_pool_factory
+          lp_token: "0x393dad6c76d962abba489a77dbf37ae948a4a6ee" # 0x393dad6c76d962abba489a77dbf37ae948a4a6ee
+          stateless_contract_addr_0: "0x307861383534363161666332646565633031626461323362356364323637643531663736356662613130" # 0xa85461afc2deec01bda23b5cd267d51f765fba10
+          stateless_contract_addr_1: "0x307863303835353061346363353333336634306535393365636334633437323438303830383564333034" # 0xc08550a4cc5333f40e593ecc4c4724808085d304
+          stateless_contract_addr_2: "0x307863303261616133396232323366653864306130653563346632376561643930383363373536636332" # 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
+        creation_tx: "0x52f0f76d97e77579eebd32876de99f656930a99131dc4c4f1dec005786c8782b"
+        skip_simulation: false
+
   # Tricrypto factory 0x0c0e5f2fF0ff18a3be9b835635039256dC4B4963
   - name: test_tricrypto_factory
     start_block: 17371455

substreams/ethereum-curve/src/pool_factories.rs

@@ -87,17 +87,7 @@ pub fn address_map(
             let token_implementation = extract_proxy_impl(call, tx, 0).unwrap_or([1u8; 20]);
             let pool_implementation = extract_proxy_impl(call, tx, 1).unwrap_or([1u8; 20]);
 
-            Some(ProtocolComponent {
-                id: hex::encode(component_id),
-                tx: Some(Transaction {
-                    to: tx.to.clone(),
-                    from: tx.from.clone(),
-                    hash: tx.hash.clone(),
-                    index: tx.index.into(),
-                }),
-                tokens,
-                contracts: vec![component_id.into(), pool_added.token.clone()],
-                static_att: vec![
+            let mut static_attributes = vec![
                 Attribute {
                     name: "pool_type".into(),
                     value: "crypto_pool".into(),
@@ -120,7 +110,7 @@ pub fn address_map(
                 },
                 Attribute {
                     name: "lp_token".into(),
-                        value: pool_added.token,
+                    value: pool_added.token.clone(),
                     change: ChangeType::Creation.into(),
                 },
                 Attribute {
@@ -133,7 +123,31 @@ pub fn address_map(
                     value: address_to_bytes_with_0x(&token_implementation.try_into().unwrap()),
                     change: ChangeType::Creation.into(),
                 },
-                ],
+            ];
+
+            // This is relevant only if the contract has ETH
+            if tokens.contains(&ETH_ADDRESS.into()) {
+                static_attributes.push(Attribute {
+                    name: "stateless_contract_addr_2".into(),
+                    // WETH
+                    value: address_to_bytes_with_0x(&hex!(
+                        "c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
+                    )),
+                    change: ChangeType::Creation.into(),
+                })
+            }
+
+            Some(ProtocolComponent {
+                id: hex::encode(component_id),
+                tx: Some(Transaction {
+                    to: tx.to.clone(),
+                    from: tx.from.clone(),
+                    hash: tx.hash.clone(),
+                    index: tx.index.into(),
+                }),
+                tokens,
+                contracts: vec![component_id.into(), pool_added.token],
+                static_att: static_attributes,
                 change: ChangeType::Creation.into(),
                 protocol_type: Some(ProtocolType {
                     name: "curve_pool".into(),