Update block Beacon APIs to Capella (#11706)

* proto+ssz

* refactor GetBlindedBlockSSZ

(cherry picked from commit 97483c339f99b0d96bd81846a979383ffd2b0cda)

# Conflicts:
#	beacon-chain/rpc/eth/beacon/blocks.go
(cherry picked from commit 9e4e82d2c5)

# Conflicts:
#	beacon-chain/rpc/eth/beacon/blocks.go

* add Capella version

(cherry picked from commit 5d6fd0bbe663e5dd16df5b2e773f68982bbcd24e)
(cherry picked from commit 82f6ddb693)

* support SSZ lol

(cherry picked from commit 52bc2c8d617ac3e1254c493fa053cdce4a1ebd63)
(cherry picked from commit d7d70bc25b)

* update withdrawals proto

* refactor and test GetBlockV2

(cherry picked from commit c1d4eaa79d)

# Conflicts:
#	beacon-chain/rpc/eth/beacon/blocks.go

* refactor and test GetSSZBlockV2

(cherry picked from commit fbc4e73d31)

# Conflicts:
#	beacon-chain/rpc/eth/beacon/blocks.go

* test other functions

(cherry picked from commit 31d4a4cd11)

* move stuff to blinded_blocks.go

(cherry picked from commit 0a9e1658dd)

# Conflicts:
#	beacon-chain/rpc/eth/beacon/blocks.go

* fix migration code

* add Capella to SubmitBlock

* custom hooks

* missing structs

* fix tests

* fix tests

* review

* fix build issues

* replace ioutil with io

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

consensus-types/blocks/execution_test.go

@@ -98,10 +98,10 @@ func TestWrapExecutionPayloadCapella(t *testing.T) {
 		BlockHash:     []byte("blockhash"),
 		Transactions:  [][]byte{[]byte("transaction")},
 		Withdrawals: []*enginev1.Withdrawal{{
-			WithdrawalIndex:  55,
-			ValidatorIndex:   66,
-			ExecutionAddress: []byte("executionaddress"),
-			Amount:           77,
+			Index:          55,
+			ValidatorIndex: 66,
+			Address:        []byte("executionaddress"),
+			Amount:         77,
 		}},
 	}
 	payload, err := blocks.WrappedExecutionPayloadCapella(data)

consensus-types/blocks/proto_test.go

@@ -1243,9 +1243,9 @@ func getFields() fields {
 		},
 		Withdrawals: []*enginev1.Withdrawal{
 			{
-				WithdrawalIndex:  128,
-				ExecutionAddress: b20,
-				Amount:           128,
+				Index:   128,
+				Address: b20,
+				Amount:  128,
 			},
 		},
 	}

consensus-types/payload-attribute/getters_test.go

@@ -58,7 +58,7 @@ func TestPayloadAttributeGetters(t *testing.T) {
 		{
 			name: "Get withdrawals (capella)",
 			tc: func(t *testing.T) {
-				wd := []*enginev1.Withdrawal{{WithdrawalIndex: 1}, {WithdrawalIndex: 2}, {WithdrawalIndex: 3}}
+				wd := []*enginev1.Withdrawal{{Index: 1}, {Index: 2}, {Index: 3}}
 				a, err := New(&enginev1.PayloadAttributesV2{Withdrawals: wd})
 				require.NoError(t, err)
 				got, err := a.Withdrawals()
@@ -126,7 +126,7 @@ func TestPayloadAttributeGetters(t *testing.T) {
 					Timestamp:             1,
 					PrevRandao:            []byte{1, 2, 3},
 					SuggestedFeeRecipient: []byte{4, 5, 6},
-					Withdrawals:           []*enginev1.Withdrawal{{WithdrawalIndex: 1}, {WithdrawalIndex: 2}, {WithdrawalIndex: 3}},
+					Withdrawals:           []*enginev1.Withdrawal{{Index: 1}, {Index: 2}, {Index: 3}},
 				}
 				a, err := New(p)
 				require.NoError(t, err)