refactor: simply errors (#15067)

errors/CHANGELOG.md

@@ -31,21 +31,21 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
-### Improvements
-
-* [\#11762](https://github.com/cosmos/cosmos-sdk/pull/11762) Improve error messages
-
 ## v1.0.0
 
 ### Features
 
-* [\#10779](https://github.com/cosmos/cosmos-sdk/pull/10779) Import code from the `github.com/cosmos/cosmos-sdk/types/errors` package.
-* [\#11274](https://github.com/cosmos/cosmos-sdk/pull/11274) Add `RegisterWithGRPCCode` function to associate a gRPC error code with errors.
+* [#10779](https://github.com/cosmos/cosmos-sdk/pull/10779) Import code from the `github.com/cosmos/cosmos-sdk/types/errors` package.
+* [#11274](https://github.com/cosmos/cosmos-sdk/pull/11274) Add `RegisterWithGRPCCode` function to associate a gRPC error code with errors.
+
+### Improvements
+
+* [#11762](https://github.com/cosmos/cosmos-sdk/pull/11762) Improve error messages.
 
 ### API Breaking
 
-* [\#11274](https://github.com/cosmos/cosmos-sdk/pull/11274) `New` now is an alias for `Register` and should only be used in initialization code.
+* [#11274](https://github.com/cosmos/cosmos-sdk/pull/11274) `New` now is an alias for `Register` and should only be used in initialization code.
 
 ### Bug Fixes
 
-* [\#11714](https://github.com/cosmos/cosmos-sdk/pull/11714) Add wrapped error messages in `GRPCStatus()`
+* [#11714](https://github.com/cosmos/cosmos-sdk/pull/11714) Add wrapped error messages in `GRPCStatus()`

errors/doc.go

@@ -18,7 +18,7 @@ information by using Wrap function, for example:
 
 	   func safeDiv(val, div int) (int, err) {
 		   if div == 0 {
-			   return 0, errorsmod.Wrapf(ErrZeroDivision, "cannot divide %d", val)
+			   return 0, errors.Wrapf(ErrZeroDivision, "cannot divide %d", val)
 		   }
 		   return val / div, nil
 	   }

errors/errors_test.go

@@ -67,12 +67,12 @@ func (s *errorsTestSuite) TestErrorIs() {
 		},
 		"successful comparison to a wrapped error": {
 			a:      ErrUnauthorized,
-			b:      errorsmod.Wrap(ErrUnauthorized, "gone"),
+			b:      Wrap(ErrUnauthorized, "gone"),
 			wantIs: true,
 		},
 		"unsuccessful comparison to a wrapped error": {
 			a:      ErrUnauthorized,
-			b:      errorsmod.Wrap(ErrInsufficientFee, "too big"),
+			b:      Wrap(ErrInsufficientFee, "too big"),
 			wantIs: false,
 		},
 		"not equal to stdlib error": {
@@ -82,7 +82,7 @@ func (s *errorsTestSuite) TestErrorIs() {
 		},
 		"not equal to a wrapped stdlib error": {
 			a:      ErrUnauthorized,
-			b:      errorsmod.Wrap(fmt.Errorf("stdlib error"), "wrapped"),
+			b:      Wrap(fmt.Errorf("stdlib error"), "wrapped"),
 			wantIs: false,
 		},
 		"nil is nil": {
@@ -224,26 +224,6 @@ func (s *errorsTestSuite) TestGRPCStatus() {
 	s.Require().Equal("codespace testtesttest code 38: not found: test", status.Message())
 }
 
-func ExampleWrap() {
-	err1 := Wrap(ErrInsufficientFunds, "90 is smaller than 100")
-	err2 := errorsmod.Wrap(ErrInsufficientFunds, "90 is smaller than 100")
-	fmt.Println(err1.Error())
-	fmt.Println(err2.Error())
-	// Output:
-	// 90 is smaller than 100: insufficient funds
-	// 90 is smaller than 100: insufficient funds
-}
-
-func ExampleWrapf() {
-	err1 := Wrap(ErrInsufficientFunds, "90 is smaller than 100")
-	err2 := errorsmod.Wrap(ErrInsufficientFunds, "90 is smaller than 100")
-	fmt.Println(err1.Error())
-	fmt.Println(err2.Error())
-	// Output:
-	// 90 is smaller than 100: insufficient funds
-	// 90 is smaller than 100: insufficient funds
-}
-
 const testCodespace = "testtesttest"
 
 var (