Merge pull request #1827 from cosmos/sunny/fix-do-not-modify

ready-for-review: fixed donotmodify bug

x/stake/client/cli/flags.go

@@ -2,6 +2,8 @@ package cli
 
 import (
 	flag "github.com/spf13/pflag"
+
+	"github.com/cosmos/cosmos-sdk/x/stake/types"
 )
 
 // nolint
@@ -23,13 +25,14 @@ const (
 
 // common flagsets to add to various functions
 var (
-	fsPk           = flag.NewFlagSet("", flag.ContinueOnError)
-	fsAmount       = flag.NewFlagSet("", flag.ContinueOnError)
-	fsShares       = flag.NewFlagSet("", flag.ContinueOnError)
-	fsDescription  = flag.NewFlagSet("", flag.ContinueOnError)
-	fsValidator    = flag.NewFlagSet("", flag.ContinueOnError)
-	fsDelegator    = flag.NewFlagSet("", flag.ContinueOnError)
-	fsRedelegation = flag.NewFlagSet("", flag.ContinueOnError)
+	fsPk                = flag.NewFlagSet("", flag.ContinueOnError)
+	fsAmount            = flag.NewFlagSet("", flag.ContinueOnError)
+	fsShares            = flag.NewFlagSet("", flag.ContinueOnError)
+	fsDescriptionCreate = flag.NewFlagSet("", flag.ContinueOnError)
+	fsDescriptionEdit   = flag.NewFlagSet("", flag.ContinueOnError)
+	fsValidator         = flag.NewFlagSet("", flag.ContinueOnError)
+	fsDelegator         = flag.NewFlagSet("", flag.ContinueOnError)
+	fsRedelegation      = flag.NewFlagSet("", flag.ContinueOnError)
 )
 
 func init() {
@@ -37,10 +40,14 @@ func init() {
 	fsAmount.String(FlagAmount, "1steak", "Amount of coins to bond")
 	fsShares.String(FlagSharesAmount, "", "Amount of source-shares to either unbond or redelegate as a positive integer or decimal")
 	fsShares.String(FlagSharesPercent, "", "Percent of source-shares to either unbond or redelegate as a positive integer or decimal >0 and <=1")
-	fsDescription.String(FlagMoniker, "[do-not-modify]", "validator name")
-	fsDescription.String(FlagIdentity, "[do-not-modify]", "optional identity signature (ex. UPort or Keybase)")
-	fsDescription.String(FlagWebsite, "[do-not-modify]", "optional website")
-	fsDescription.String(FlagDetails, "[do-not-modify]", "optional details")
+	fsDescriptionCreate.String(FlagMoniker, "", "validator name")
+	fsDescriptionCreate.String(FlagIdentity, "", "optional identity signature (ex. UPort or Keybase)")
+	fsDescriptionCreate.String(FlagWebsite, "", "optional website")
+	fsDescriptionCreate.String(FlagDetails, "", "optional details")
+	fsDescriptionEdit.String(FlagMoniker, types.DoNotModifyDesc, "validator name")
+	fsDescriptionEdit.String(FlagIdentity, types.DoNotModifyDesc, "optional identity signature (ex. UPort or Keybase)")
+	fsDescriptionEdit.String(FlagWebsite, types.DoNotModifyDesc, "optional website")
+	fsDescriptionEdit.String(FlagDetails, types.DoNotModifyDesc, "optional details")
 	fsValidator.String(FlagAddressValidator, "", "hex address of the validator")
 	fsDelegator.String(FlagAddressDelegator, "", "hex address of the delegator")
 	fsRedelegation.String(FlagAddressValidatorSrc, "", "hex address of the source validator")

x/stake/client/cli/tx.go

@@ -73,7 +73,7 @@ func GetCmdCreateValidator(cdc *wire.Codec) *cobra.Command {
 
 	cmd.Flags().AddFlagSet(fsPk)
 	cmd.Flags().AddFlagSet(fsAmount)
-	cmd.Flags().AddFlagSet(fsDescription)
+	cmd.Flags().AddFlagSet(fsDescriptionCreate)
 	cmd.Flags().AddFlagSet(fsDelegator)
 	return cmd
 }
@@ -108,7 +108,7 @@ func GetCmdEditValidator(cdc *wire.Codec) *cobra.Command {
 		},
 	}
 
-	cmd.Flags().AddFlagSet(fsDescription)
+	cmd.Flags().AddFlagSet(fsDescriptionEdit)
 	return cmd
 }
 

x/stake/types/validator.go

@@ -13,8 +13,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/wire"
 )
 
-const doNotModifyDescVal = "[do-not-modify]"
-
 // Validator defines the total amount of bond shares and their exchange rate to
 // coins. Accumulation of interest is modelled as an in increase in the
 // exchange rate, and slashing as a decrease.  When coins are delegated to this
@@ -250,6 +248,9 @@ func (v Validator) Equal(c2 Validator) bool {
 		v.LastBondedTokens.Equal(c2.LastBondedTokens)
 }
 
+// constant used in flags to indicate that description field should not be updated
+const DoNotModifyDesc = "[do-not-modify]"
+
 // Description - description fields for a validator
 type Description struct {
 	Moniker  string `json:"moniker"`  // name
@@ -271,16 +272,16 @@ func NewDescription(moniker, identity, website, details string) Description {
 // UpdateDescription updates the fields of a given description. An error is
 // returned if the resulting description contains an invalid length.
 func (d Description) UpdateDescription(d2 Description) (Description, sdk.Error) {
-	if d.Moniker == doNotModifyDescVal {
+	if d2.Moniker == DoNotModifyDesc {
 		d2.Moniker = d.Moniker
 	}
-	if d.Identity == doNotModifyDescVal {
+	if d2.Identity == DoNotModifyDesc {
 		d2.Identity = d.Identity
 	}
-	if d.Website == doNotModifyDescVal {
+	if d2.Website == DoNotModifyDesc {
 		d2.Website = d.Website
 	}
-	if d.Details == doNotModifyDescVal {
+	if d2.Details == DoNotModifyDesc {
 		d2.Details = d.Details
 	}
 

x/stake/types/validator_test.go

@@ -25,19 +25,31 @@ func TestValidatorEqual(t *testing.T) {
 
 func TestUpdateDescription(t *testing.T) {
 	d1 := Description{
-		Moniker:  doNotModifyDescVal,
-		Identity: doNotModifyDescVal,
-		Website:  doNotModifyDescVal,
-		Details:  doNotModifyDescVal,
-	}
-	d2 := Description{
 		Website: "https://validator.cosmos",
 		Details: "Test validator",
 	}
 
+	d2 := Description{
+		Moniker:  DoNotModifyDesc,
+		Identity: DoNotModifyDesc,
+		Website:  DoNotModifyDesc,
+		Details:  DoNotModifyDesc,
+	}
+
+	d3 := Description{
+		Moniker:  "",
+		Identity: "",
+		Website:  "",
+		Details:  "",
+	}
+
 	d, err := d1.UpdateDescription(d2)
 	require.Nil(t, err)
 	require.Equal(t, d, d1)
+
+	d, err = d1.UpdateDescription(d3)
+	require.Nil(t, err)
+	require.Equal(t, d, d3)
 }
 
 func TestABCIValidator(t *testing.T) {