chore: fix some function names (#2180)

Signed-off-by: MarkDaveny <peicuiping@aliyun.com>

btcutil/address.go

@@ -686,8 +686,8 @@ func NewAddressTaproot(witnessProg []byte,
 	return newAddressTaproot(net.Bech32HRPSegwit, witnessProg)
 }
 
-// newAddressWitnessScriptHash is an internal helper function to create an
-// AddressWitnessScriptHash with a known human-readable part, rather than
+// newAddressTaproot is an internal helper function to create an
+// AddressTaproot with a known human-readable part, rather than
 // looking it up through its parameters.
 func newAddressTaproot(hrp string,
 	witnessProg []byte) (*AddressTaproot, error) {

btcutil/bech32/bech32_test.go

@@ -668,7 +668,7 @@ func BenchmarkConvertBitsDown(b *testing.B) {
 	}
 }
 
-// BenchmarkConvertBitsDown benchmarks the speed and memory allocation behavior
+// BenchmarkConvertBitsUp benchmarks the speed and memory allocation behavior
 // of ConvertBits when converting from a lower base into a higher base (e.g. 5
 // => 8).
 //

btcutil/gcs/gcsbench_test.go

@@ -158,7 +158,7 @@ var matchAnyBenchmarks = []struct {
 	{"q10M-f10K", randElems10000000, filter10000},
 }
 
-// BenchmarkGCSFilterMatchAny benchmarks the sort-and-zip MatchAny impl.
+// BenchmarkGCSFilterZipMatchAny benchmarks the sort-and-zip MatchAny impl.
 func BenchmarkGCSFilterZipMatchAny(b *testing.B) {
 	for _, test := range matchAnyBenchmarks {
 		test := test
@@ -184,7 +184,7 @@ func BenchmarkGCSFilterZipMatchAny(b *testing.B) {
 	}
 }
 
-// BenchmarkGCSFilterMatchAny benchmarks the hash-join MatchAny impl.
+// BenchmarkGCSFilterHashMatchAny benchmarks the hash-join MatchAny impl.
 func BenchmarkGCSFilterHashMatchAny(b *testing.B) {
 	for _, test := range matchAnyBenchmarks {
 		test := test

btcutil/hdkeychain/extendedkey.go

@@ -467,7 +467,7 @@ func (k *ExtendedKey) DeriveNonStandard(i uint32) (*ExtendedKey, error) {
 		k.depth+1, i, isPrivate), nil
 }
 
-// ChildNum returns the index at which the child extended key was derived.
+// ChildIndex returns the index at which the child extended key was derived.
 //
 // Extended keys with ChildNum value between 0 and 2^31-1 are normal child
 // keys, and those with a value between 2^31 and 2^32-1 are hardened keys.