chore: typo fix (#13461)

* messsage

* cancellation

beacon-chain/rpc/eth/validator/handlers_test.go

@@ -1198,14 +1198,14 @@ func TestGetAttestationData(t *testing.T) {
 func TestProduceSyncCommitteeContribution(t *testing.T) {
 	root := bytesutil.PadTo([]byte("0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2"), 32)
 	sig := bls.NewAggregateSignature().Marshal()
-	messsage := &ethpbalpha.SyncCommitteeMessage{
+	message := &ethpbalpha.SyncCommitteeMessage{
 		Slot:           1,
 		BlockRoot:      root,
 		ValidatorIndex: 0,
 		Signature:      sig,
 	}
 	syncCommitteePool := synccommittee.NewStore()
-	require.NoError(t, syncCommitteePool.SaveSyncCommitteeMessage(messsage))
+	require.NoError(t, syncCommitteePool.SaveSyncCommitteeMessage(message))
 	server := Server{
 		CoreService: &core.Service{
 			HeadFetcher: &mockChain.ChainService{

consensus-types/blocks/roblob.go

@@ -68,7 +68,7 @@ func (b *ROBlob) ProposerIndex() primitives.ValidatorIndex {
 	return b.SignedBlockHeader.Header.ProposerIndex
 }
 
-// BlockRootSlice returns the block root as a byte slice. This is often more conveninent/concise
+// BlockRootSlice returns the block root as a byte slice. This is often more convenient/concise
 // than setting a tmp var to BlockRoot(), just so that it can be sliced.
 func (b *ROBlob) BlockRootSlice() []byte {
 	return b.root[:]

testing/util/wait_timeout.go

@@ -36,7 +36,7 @@ func NewWaiter() *Waiter {
 }
 
 // Done is used with RequireDoneAfter and RequireDoneBefore to make assertions
-// that certain test code is reached before a timeout or context cancelation.
+// that certain test code is reached before a timeout or context cancellation.
 func (w *Waiter) Done() {
 	close(w.c)
 }