core/bloombits, light: fix typos (#17235)

core/bloombits/matcher.go

@@ -59,7 +59,7 @@ type partialMatches struct {
 // It can also have the actual results set to be used as a delivery data struct.
 //
 // The contest and error fields are used by the light client to terminate matching
-// early if an error is enountered on some path of the pipeline.
+// early if an error is encountered on some path of the pipeline.
 type Retrieval struct {
 	Bit      uint
 	Sections []uint64
@@ -218,7 +218,7 @@ func (m *Matcher) Start(ctx context.Context, begin, end uint64, results chan uin
 // run creates a daisy-chain of sub-matchers, one for the address set and one
 // for each topic set, each sub-matcher receiving a section only if the previous
 // ones have all found a potential match in one of the blocks of the section,
-// then binary AND-ing its own matches and forwaring the result to the next one.
+// then binary AND-ing its own matches and forwarding the result to the next one.
 //
 // The method starts feeding the section indexes into the first sub-matcher on a
 // new goroutine and returns a sink channel receiving the results.
@@ -543,7 +543,7 @@ func (s *MatcherSession) Error() error {
 }
 
 // AllocateRetrieval assigns a bloom bit index to a client process that can either
-// immediately reuest and fetch the section contents assigned to this bit or wait
+// immediately request and fetch the section contents assigned to this bit or wait
 // a little while for more sections to be requested.
 func (s *MatcherSession) AllocateRetrieval() (uint, bool) {
 	fetcher := make(chan uint)
@@ -599,8 +599,8 @@ func (s *MatcherSession) DeliverSections(bit uint, sections []uint64, bitsets []
 	}
 }
 
-// Multiplex polls the matcher session for rerieval tasks and multiplexes it into
-// the reuested retrieval queue to be serviced together with other sessions.
+// Multiplex polls the matcher session for retrieval tasks and multiplexes it into
+// the requested retrieval queue to be serviced together with other sessions.
 //
 // This method will block for the lifetime of the session. Even after termination
 // of the session, any request in-flight need to be responded to! Empty responses

core/bloombits/matcher_test.go

@@ -156,7 +156,7 @@ func testMatcher(t *testing.T, filter [][]bloomIndexes, start, blocks uint64, in
 	// Track the number of retrieval requests made
 	var requested uint32
 
-	// Start the matching session for the filter and the retriver goroutines
+	// Start the matching session for the filter and the retriever goroutines
 	quit := make(chan struct{})
 	matches := make(chan uint64, 16)
 

light/lightchain_test.go

@@ -326,7 +326,7 @@ func TestBadHeaderHashes(t *testing.T) {
 func TestReorgBadHeaderHashes(t *testing.T) {
 	bc := newTestLightChain()
 
-	// Create a chain, import and ban aferwards
+	// Create a chain, import and ban afterwards
 	headers := makeHeaderChainWithDiff(bc.genesisBlock, []int{1, 2, 3, 4}, 10)
 
 	if _, err := bc.InsertHeaderChain(headers, 1); err != nil {