refactor: Rename credit class designer to admin (#496)

go.mod

@@ -18,7 +18,7 @@ require (
 	github.com/tendermint/tendermint v0.34.12
 	github.com/tendermint/tm-db v0.6.4
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
-	google.golang.org/genproto v0.0.0-20210818220304-27ea9cc85d9f // indirect
+	google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2 // indirect
 )
 
 replace google.golang.org/grpc => google.golang.org/grpc v1.33.2

go.sum

@@ -1207,8 +1207,8 @@ google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
-google.golang.org/genproto v0.0.0-20210818220304-27ea9cc85d9f h1:enWPderunHptc5pzJkSYGx0olpF8goXzG0rY3kL0eSg=
-google.golang.org/genproto v0.0.0-20210818220304-27ea9cc85d9f/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
+google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2 h1:NHN4wOCScVzKhPenJ2dt+BTs3X/XkBVI/Rh4iDt55T8=
+google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=

proto/regen/ecocredit/v1alpha1/events.proto

@@ -12,8 +12,8 @@ message EventCreateClass {
   // class_id is the unique ID of credit class.
   string class_id = 1 [ (gogoproto.moretags) = "yaml:\"class_id\"" ];
 
-  // designer is the designer of the credit class.
-  string designer = 2;
+  // admin is the admin of the credit class.
+  string admin = 2;
 }
 
 // EventCreateBatch is an event emitted when a credit batch is created.

proto/regen/ecocredit/v1alpha1/tx.proto

@@ -35,10 +35,10 @@ service Msg {
 // MsgCreateClass is the Msg/CreateClass request type.
 message MsgCreateClass {
 
-  // designer is the address of the account which designed the credit class. The
-  // designer has special permissions to change the list of issuers and perform
-  // other administrative operations.
-  string designer = 1;
+  // admin is the address of the account which can manage the credit class. The
+  // admin has permissions to change the list of issuers and perform other
+  // administrative operations.
+  string admin = 1;
 
   // issuers are the account addresses of the approved issuers.
   repeated string issuers = 2;

proto/regen/ecocredit/v1alpha1/types.proto

@@ -14,8 +14,8 @@ message ClassInfo {
   // class_id is the unique ID of credit class.
   string class_id = 1 [ (gogoproto.moretags) = "yaml:\"class_id\"" ];
 
-  // designer is the designer of the credit class.
-  string designer = 2;
+  // admin is the admin of the credit class.
+  string admin = 2;
 
   // issuers are the approved issuers of the credit class.
   repeated string issuers = 3;
@@ -82,9 +82,9 @@ message Params {
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
   ];
 
-  // allowed_class_designers is an allowlist defining the addresses with
+  // allowed_class_creators is an allowlist defining the addresses with
   // the required permissions to create credit classes
-  repeated string allowed_class_designers = 2;
+  repeated string allowed_class_creators = 2;
 
   // allowlist_enabled is a param that enables/disables the allowlist for credit
   // creation

x/ecocredit/client/testsuite/query.go

@@ -112,7 +112,7 @@ func (s *IntegrationTestSuite) TestQueryClassInfo() {
 			expectErr: false,
 			expectedClassInfo: &ecocredit.ClassInfo{
 				ClassId:    s.classInfo.ClassId,
-				Designer:   s.classInfo.Designer,
+				Admin:      s.classInfo.Admin,
 				Issuers:    s.classInfo.Issuers,
 				Metadata:   s.classInfo.Metadata,
 				CreditType: s.classInfo.CreditType,

x/ecocredit/client/testsuite/tx.go

@@ -86,7 +86,6 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		out, err := cli.ExecTestCLICmd(val.ClientCtx, client.TxCreateClassCmd(),
 			append(
 				[]string{
-					val.Address.String(),
 					val.Address.String(),
 					validCreditType,
 					validMetadata,
@@ -105,7 +104,7 @@ func (s *IntegrationTestSuite) SetupSuite() {
 	// Store the first one in the test suite
 	s.classInfo = &ecocredit.ClassInfo{
 		ClassId:    classId,
-		Designer:   val.Address.String(),
+		Admin:      val.Address.String(),
 		Issuers:    []string{val.Address.String()},
 		CreditType: ecocredit.DefaultParams().CreditTypes[0],
 		Metadata:   validMetadataBytes,
@@ -199,56 +198,34 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 		respCode          uint32
 		expectedClassInfo *ecocredit.ClassInfo
 	}{
-		{
-			name:           "missing designer",
-			args:           []string{},
-			expectErr:      true,
-			expectedErrMsg: "accepts 4 arg(s), received 0",
-		},
 		{
 			name:           "missing issuer",
-			args:           []string{val0.Address.String()},
+			args:           []string{},
 			expectErr:      true,
-			expectedErrMsg: "accepts 4 arg(s), received 1",
+			expectedErrMsg: "accepts 3 arg(s), received 0",
 		},
 		{
 			name:           "missing credit type",
-			args:           []string{validCreditType},
+			args:           []string{val0.Address.String()},
 			expectErr:      true,
-			expectedErrMsg: "accepts 4 arg(s), received 1",
+			expectedErrMsg: "accepts 3 arg(s), received 1",
 		},
 		{
 			name:           "missing metadata",
-			args:           []string{val0.Address.String(), val0.Address.String()},
+			args:           []string{val0.Address.String(), validCreditType},
 			expectErr:      true,
-			expectedErrMsg: "accepts 4 arg(s), received 2",
+			expectedErrMsg: "accepts 3 arg(s), received 2",
 		},
 		{
 			name:           "too many args",
-			args:           []string{"abcde", "abcde", "abcde", "abcde", "dlskjf"},
+			args:           []string{"abcde", "abcde", "abcde", "abcde"},
 			expectErr:      true,
-			expectedErrMsg: "accepts 4 arg(s), received 5",
-		},
-		{
-			name: "invalid designer",
-			args: append(
-				[]string{
-					"abcde",
-					val0.Address.String(),
-					validCreditType,
-					validMetadata,
-					makeFlagFrom(val0.Address.String()),
-				},
-				s.commonTxFlags()...,
-			),
-			expectErr:      true,
-			expectedErrMsg: "decoding bech32 failed: invalid bech32 string length 5",
+			expectedErrMsg: "accepts 3 arg(s), received 4",
 		},
 		{
 			name: "invalid issuer",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					"abcde",
 					validCreditType,
 					validMetadata,
@@ -263,7 +240,6 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			name: "invalid metadata",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					val0.Address.String(),
 					validCreditType,
 					"=",
@@ -278,7 +254,6 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			name: "missing from flag",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					val0.Address.String(),
 					validCreditType,
 					validMetadata,
@@ -292,7 +267,6 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			name: "invalid credit type",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					val0.Address.String(),
 					"caarbon",
 					validMetadata,
@@ -308,7 +282,6 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			name: "single issuer",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					val0.Address.String(),
 					validCreditType,
 					validMetadata,
@@ -318,16 +291,33 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			),
 			expectErr: false,
 			expectedClassInfo: &ecocredit.ClassInfo{
-				Designer: val0.Address.String(),
+				Admin:    val0.Address.String(),
 				Issuers:  []string{val0.Address.String()},
 				Metadata: []byte{0x1},
 			},
 		},
 		{
-			name: "multiple issuers",
+			name: "single issuer with from key-name",
 			args: append(
 				[]string{
 					val0.Address.String(),
+					validCreditType,
+					validMetadata,
+					makeFlagFrom("node0"),
+				},
+				s.commonTxFlags()...,
+			),
+			expectErr: false,
+			expectedClassInfo: &ecocredit.ClassInfo{
+				Admin:    val0.Address.String(),
+				Issuers:  []string{val0.Address.String()},
+				Metadata: []byte{0x1},
+			},
+		},
+		{
+			name: "multiple issuers",
+			args: append(
+				[]string{
 					strings.Join(
 						[]string{
 							val0.Address.String(),
@@ -343,7 +333,7 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			),
 			expectErr: false,
 			expectedClassInfo: &ecocredit.ClassInfo{
-				Designer: val0.Address.String(),
+				Admin:    val0.Address.String(),
 				Issuers:  []string{val0.Address.String(), val1.Address.String()},
 				Metadata: []byte{0x1},
 			},
@@ -352,7 +342,6 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			name: "with amino-json",
 			args: append(
 				[]string{
-					val0.Address.String(),
 					val0.Address.String(),
 					validCreditType,
 					validMetadata,
@@ -363,7 +352,7 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 			),
 			expectErr: false,
 			expectedClassInfo: &ecocredit.ClassInfo{
-				Designer: val0.Address.String(),
+				Admin:    val0.Address.String(),
 				Issuers:  []string{val0.Address.String()},
 				Metadata: []byte{0x1},
 			},
@@ -407,7 +396,7 @@ func (s *IntegrationTestSuite) TestTxCreateClass() {
 									var queryRes ecocredit.QueryClassInfoResponse
 									s.Require().NoError(clientCtx.Codec.UnmarshalJSON(queryOut.Bytes(), &queryRes))
 
-									s.Require().Equal(tc.expectedClassInfo.Designer, queryRes.Info.Designer)
+									s.Require().Equal(tc.expectedClassInfo.Admin, queryRes.Info.Admin)
 									s.Require().Equal(tc.expectedClassInfo.Issuers, queryRes.Info.Issuers)
 									s.Require().Equal(tc.expectedClassInfo.Metadata, queryRes.Info.Metadata)
 								}

x/ecocredit/client/tx.go

@@ -47,39 +47,61 @@ func txflags(cmd *cobra.Command) *cobra.Command {
 
 func TxCreateClassCmd() *cobra.Command {
 	return txflags(&cobra.Command{
-		Use:   "create-class [designer] [issuer[,issuer]*] [credit type] [metadata]",
-		Short: "Creates a new credit class",
-		Long: `Creates a new credit class.
+		Use:   "create-class [issuer[,issuer]*] [credit type] [metadata]",
+		Short: "Creates a new credit class with transaction author (--from) as admin",
+		Long: fmt.Sprintf(
+			`Creates a new credit class with transaction author (--from) as admin.
+
+The transaction author must have permission to create a new credit class by
+being a member of the %s allowlist. This is a governance parameter, so can be
+queried via the command line.
+
+They must also pay the fee associated with creating a new credit class, defined
+by the %s parameter, so should make sure they have enough funds to cover that.
 
 Parameters:
-  designer:  	    address of the account which designed the credit class
   issuer:    	    comma separated (no spaces) list of issuer account addresses. Example: "addr1,addr2"
   credit type:    the credit class type (e.g. carbon, biodiversity, etc)
   metadata:  	    base64 encoded metadata - arbitrary data attached to the credit class info`,
-		Args: cobra.ExactArgs(4),
+			ecocredit.KeyAllowedClassCreators,
+			ecocredit.KeyCreditClassFee,
+		),
+		Args: cobra.ExactArgs(3),
 		RunE: func(cmd *cobra.Command, args []string) error {
-			issuers := strings.Split(args[1], ",")
+			clientCtx, err := sdkclient.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			// Get the class admin from the --from flag
+			admin := clientCtx.GetFromAddress()
+
+			// Parse the comma-separated list of issuers
+			issuers := strings.Split(args[0], ",")
 			for i := range issuers {
 				issuers[i] = strings.TrimSpace(issuers[i])
 			}
-			if args[2] == "" {
+
+			// Check credit type is provided
+			if args[1] == "" {
 				return sdkerrors.ErrInvalidRequest.Wrap("credit type is required")
 			}
-			creditType := args[2]
-			if args[3] == "" {
+			creditType := args[1]
+
+			// Check that metadata is provided and decode it
+			if args[2] == "" {
 				return errors.New("base64_metadata is required")
 			}
-			b, err := base64.StdEncoding.DecodeString(args[3])
+			b, err := base64.StdEncoding.DecodeString(args[2])
 			if err != nil {
 				return sdkerrors.ErrInvalidRequest.Wrap("metadata is malformed, proper base64 string is required")
 			}
 
-			clientCtx, err := sdkclient.GetClientTxContext(cmd)
-			if err != nil {
-				return err
-			}
 			msg := ecocredit.MsgCreateClass{
-				Designer: args[0], Issuers: issuers, Metadata: b, CreditType: creditType,
+				Admin:      admin.String(),
+				Issuers:    issuers,
+				Metadata:   b,
+				CreditType: creditType,
 			}
 			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), &msg)
 		},