feat(tx): add valid_contract

CHANGELOG.md

@@ -55,6 +55,8 @@ and this project will adhere to [Semantic Versioning](https://semver.org/spec/v2
   - `script` property to `/addresses/{hash}`, which is `true` when
     the address is a script address.
   - `redeemer_count` property to `/txs/{hash}` endpoint
+  - `valid_contract` property to `/txs/{hash}` endpoint, `true` when attached
+    script passed validation, `false` if it failed phase 2 validation
   - Boolean `collateral` property to `inputs` object
     of `/txs/{hash}/utxos` endpoint
   - `data_hash` property to both `inputs` and `outputs` objects of

swagger.yaml

@@ -4845,6 +4845,10 @@ components:
           type: integer
           example: 0
           description: Count of redeemers within the transaction
+        valid_contract:
+          type: boolean
+          example: true
+          description: True if contract script passed validation
       required:
         - hash
         - block
@@ -4866,6 +4870,7 @@ components:
         - pool_retire_count
         - asset_mint_or_burn_count
         - redeemer_count
+        - valid_contract
     tx_content_utxo:
       type: object
       properties: