Fix some typos (btcsuite#2085)

* Dockerfile: fix typo

* blockchain: fix typos

* sample-btcd.conf: fix typos

* server: fix typos

* txscript: fix typos

Dockerfile

@@ -4,7 +4,7 @@
 #
 # docker build . -t yourregistry/btcd
 #
-# You can use the following command to buid an arm64v8 container:
+# You can use the following command to build an arm64v8 container:
 #
 # docker build . -t yourregistry/btcd --build-arg ARCH=arm64v8
 #

blockchain/sizehelper.go

@@ -39,7 +39,7 @@ const (
 	avgEntrySize = baseEntrySize + (pubKeyHashLen + 7)
 )
 
-// The code here is shamelessely taken from the go runtime package.  All the relevant
+// The code here is shamelessly taken from the go runtime package.  All the relevant
 // code and variables are copied to here.  These values are only correct for a 64 bit
 // system.
 

blockchain/utxocache.go

@@ -177,7 +177,7 @@ const (
 	// utxoFlushPeriodicInterval is the interval at which a flush is performed
 	// when the flush mode FlushPeriodic is used.  This is used when the initial
 	// block download is complete and it's useful to flush periodically in case
-	// of unforseen shutdowns.
+	// of unforeseen shutdowns.
 	utxoFlushPeriodicInterval = time.Minute * 5
 )
 

blockchain/utxocache_test.go

@@ -260,7 +260,7 @@ func TestUtxoCacheEntrySize(t *testing.T) {
 				}
 				return blocks
 			}(),
-			// Multipled by 6 since we'll have 6 entries left.
+			// Multiplied by 6 since we'll have 6 entries left.
 			expectedSize: (pubKeyHashLen + baseEntrySize) * 6,
 		},
 		{

sample-btcd.conf

@@ -48,7 +48,7 @@
 
 ; Use Universal Plug and Play (UPnP) to automatically open the listen port
 ; and obtain the external IP address from supported devices.  NOTE: This option
-; will have no effect if exernal IP addresses are specified.
+; will have no effect if external IP addresses are specified.
 ; upnp=1
 
 ; Specify the external IP addresses your node is listening on.  One address per

server.go

@@ -478,7 +478,7 @@ func (sp *serverPeer) OnVersion(_ *peer.Peer, msg *wire.MsgVersion) *wire.MsgRej
 		addrManager.SetServices(remoteAddr, msg.Services)
 	}
 
-	// Ignore peers that have a protcol version that is too old.  The peer
+	// Ignore peers that have a protocol version that is too old.  The peer
 	// negotiation logic will disconnect it after this callback returns.
 	if msg.ProtocolVersion < int32(peer.MinAcceptableProtocolVersion) {
 		return nil
@@ -2204,7 +2204,7 @@ func (s *server) outboundPeerConnected(c *connmgr.ConnReq, conn net.Conn) {
 	go s.peerDoneHandler(sp)
 }
 
-// peerDoneHandler handles peer disconnects by notifiying the server that it's
+// peerDoneHandler handles peer disconnects by notifying the server that it's
 // done along with other performing other desirable cleanup.
 func (s *server) peerDoneHandler(sp *serverPeer) {
 	sp.WaitForDisconnect()
@@ -2231,7 +2231,7 @@ func (s *server) peerDoneHandler(sp *serverPeer) {
 func (s *server) peerHandler() {
 	// Start the address manager and sync manager, both of which are needed
 	// by peers.  This is done here since their lifecycle is closely tied
-	// to this handler and rather than adding more channels to sychronize
+	// to this handler and rather than adding more channels to synchronize
 	// things, it's easier and slightly faster to simply start and stop them
 	// in this handler.
 	s.addrManager.Start()

txscript/error.go

@@ -309,9 +309,9 @@ const (
 	ErrMinimalIf
 
 	// ErrDiscourageUpgradableWitnessProgram is returned if
-	// ScriptVerifyWitness is set and the versino of an executing witness
+	// ScriptVerifyWitness is set and the version of an executing witness
 	// program is outside the set of currently defined witness program
-	// vesions.
+	// versions.
 	ErrDiscourageUpgradableWitnessProgram
 
 	// ----------------------------------------
@@ -363,7 +363,7 @@ const (
 	ErrTapscriptCheckMultisig
 
 	// ErrDiscourageUpgradeableTaprootVersion is returned if during
-	// tapscript execution, we encoutner a public key that isn't 0 or 32
+	// tapscript execution, we encounter a public key that isn't 0 or 32
 	// bytes.
 	ErrDiscourageUpgradeablePubKeyType