multi: Address some golint complaints.

blockchain/stake/staketx.go

@@ -759,7 +759,7 @@ func CheckSStx(tx *wire.MsgTx) error {
 	return nil
 }
 
-// IsSSx returns whether or not a transaction is a stake submission transaction.
+// IsSStx returns whether or not a transaction is a stake submission transaction.
 // These are also known as tickets.
 func IsSStx(tx *wire.MsgTx) bool {
 	return CheckSStx(tx) == nil

dcrec/common.go

@@ -4,6 +4,8 @@
 
 package dcrec
 
+// SignatureType defines a specific cryptographic signature and curve pair for
+// use in transaction scripts and addresses.
 type SignatureType int
 
 const (

dcrjson/walletsvrcmds.go

@@ -348,12 +348,12 @@ func NewGetBalanceCmd(account *string, minConf *int) *GetBalanceCmd {
 	}
 }
 
-// GetContratHashCmd defines the getcontracthash JSON-RPC command.
+// GetContractHashCmd defines the getcontracthash JSON-RPC command.
 type GetContractHashCmd struct {
 	FilePath []string
 }
 
-// NewGetBalanceCmd returns a new instance which can be used to issue a
+// NewGetContractHashCmd returns a new instance which can be used to issue a
 // getcontracthash JSON-RPC command.
 func NewGetContractHashCmd(filepaths []string) *GetContractHashCmd {
 	return &GetContractHashCmd{FilePath: filepaths}
@@ -401,7 +401,7 @@ func NewGetNewAddressCmd(account *string, gapPolicy *string) *GetNewAddressCmd {
 	}
 }
 
-// GetPayToContractHashCmd defines the getpaytocontracthash JSON-RPC command.
+// GetPayToContractAddressCmd defines the getpaytocontracthash JSON-RPC command.
 type GetPayToContractAddressCmd struct {
 	FilePath []string
 }

rpctest/node.go

@@ -194,11 +194,7 @@ func (n *node) start() error {
 		return err
 	}
 
-	if err := pid.Close(); err != nil {
-		return err
-	}
-
-	return nil
+	return pid.Close()
 }
 
 // stop interrupts the running dcrd process process, and waits until it exits
@@ -238,10 +234,7 @@ func (n *node) shutdown() error {
 	if err := n.stop(); err != nil {
 		return err
 	}
-	if err := n.cleanup(); err != nil {
-		return err
-	}
-	return nil
+	return n.cleanup()
 }
 
 // genCertPair generates a key/cert pair to the paths provided.