Add SSZ examples (#128)

* Add ssz examples

* Use plural for signed validator registrations

* Make register validator example fork independent

Author: nflaig

apis/builder/validators.yaml

@@ -22,6 +22,8 @@ post:
           type: array
           items:
             $ref: "../../builder-oapi.yaml#/components/schemas/SignedValidatorRegistration"
+        example:
+          $ref: "../../builder-oapi.yaml#/components/examples/SignedValidatorRegistrations/value"
       application/octet-stream:
         schema:
           description: "SSZ serialized `List[SignedValidatorRegistrationV1, VALIDATOR_REGISTRY_LIMIT]` bytes. Use content type header to indicate that SSZ data is contained in the request body."

beacon-apis

@@ -119,6 +119,8 @@ components:
         $ref: "#/components/schemas/ConsensusVersion"
 
   examples:
+    SignedValidatorRegistrations:
+      $ref: "./examples/bellatrix/signed_validator_registrations.json"
     Bellatrix.SignedBlindedBeaconBlock:
       $ref: "./examples/bellatrix/signed_blinded_beacon_block.json"
     Bellatrix.ExecutionPayload:

builder-oapi.yaml

@@ -81,7 +81,7 @@
         ],
         "attestations": [
           {
-            "aggregation_bits": "0x01",
+            "aggregation_bits": "0xffffffffffffffffffffffffffffffff",
             "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
             "data": {
               "slot": "1",
@@ -153,7 +153,7 @@
           }
         ],
         "sync_aggregate": {
-          "sync_committee_bits": "0x01",
+          "sync_committee_bits": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffbfffffffffffffffffffffffbffffffffffffffffffffbffffffffffffff",
           "sync_committee_signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505"
         },
         "execution_payload_header": {

examples/bellatrix/execution_payload.ssz

@@ -0,0 +1,13 @@
+{
+  "value": [
+    {
+      "message": {
+        "fee_recipient": "0x000102030405060708090a0b0c0d0e0f10111213",
+        "gas_limit": "100",
+        "timestamp": "100",
+        "pubkey": "0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f"
+      },
+      "signature": "0x606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
+    }
+  ]
+}