feat: add ecocredit params query (#555)

* feat: add params query

* feat: add tests

* chore: review changes

x/ecocredit/client/query.go

@@ -1,8 +1,12 @@
 package client
 
 import (
+	"fmt"
+	"strings"
+
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/version"
 	"github.com/spf13/cobra"
 
 	"github.com/regen-network/regen-ledger/x/ecocredit"
@@ -27,6 +31,7 @@ func QueryCmd(name string) *cobra.Command {
 		QueryBalanceCmd(),
 		QuerySupplyCmd(),
 		QueryCreditTypesCmd(),
+		QueryParams(),
 	)
 	return cmd
 }
@@ -194,3 +199,27 @@ func QueryCreditTypesCmd() *cobra.Command {
 		},
 	})
 }
+
+// QueryParams returns ecocredit module parameters.
+func QueryParams() *cobra.Command {
+	return qflags(&cobra.Command{
+		Use:   "params",
+		Short: "Query the current ecocredit module parameters",
+		Long: strings.TrimSpace(
+			fmt.Sprintf(`Query the current ecocredit module parameters
+			
+Examples:
+$%s query %s params
+$%s q %s params
+			`, version.AppName, ecocredit.ModuleName, version.AppName, ecocredit.ModuleName),
+		),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			c, ctx, err := mkQueryClient(cmd)
+			if err != nil {
+				return err
+			}
+			res, err := c.Params(cmd.Context(), &ecocredit.QueryParamsRequest{})
+			return print(ctx, res, err)
+		},
+	})
+}

x/ecocredit/client/testsuite/grpc.go

@@ -0,0 +1,22 @@
+package testsuite
+
+import (
+	"fmt"
+
+	"github.com/regen-network/regen-ledger/x/ecocredit"
+
+	"github.com/cosmos/cosmos-sdk/types/rest"
+)
+
+func (s *IntegrationTestSuite) TestGRPCQueryParams() {
+	val := s.network.Validators[0]
+	require := s.Require()
+
+	resp, err := rest.GetRequest(fmt.Sprintf("%s/regen/ecocredit/v1alpha1/params", val.APIAddress))
+	require.NoError(err)
+
+	var params ecocredit.QueryParamsResponse
+	require.NoError(val.ClientCtx.Codec.UnmarshalJSON(resp, &params))
+
+	s.Require().Equal(ecocredit.DefaultParams(), *params.Params)
+}

x/ecocredit/client/testsuite/query.go

@@ -1,6 +1,7 @@
 package testsuite
 
 import (
+	"encoding/json"
 	"fmt"
 
 	"github.com/cosmos/cosmos-sdk/client/flags"
@@ -470,3 +471,19 @@ func (s *IntegrationTestSuite) TestQueryCreditTypes() {
 		})
 	}
 }
+
+func (s *IntegrationTestSuite) TestQueryParams() {
+	val := s.network.Validators[0]
+	clientCtx := val.ClientCtx
+	clientCtx.OutputFormat = "JSON"
+	require := s.Require()
+
+	cmd := client.QueryParams()
+	out, err := cli.ExecTestCLICmd(clientCtx, cmd, []string{})
+	require.NoError(err)
+
+	var params ecocredit.QueryParamsResponse
+	json.Unmarshal(out.Bytes(), &params)
+
+	require.Equal(ecocredit.DefaultParams(), *params.Params)
+}