feat(bank/v2): Add MsgSend handler

runtime/v2/manager.go

@@ -459,10 +459,8 @@
 func (m *MM[T]) RegisterServices(app *App[T]) error {
 	for _, module := range m.modules {
 		// register msg + query
-		if services, ok := module.(hasServicesV1); ok {
-			if err := registerServices(services, app, protoregistry.GlobalFiles); err != nil {
-				return err
-			}
+		if err := registerServices(module, app, protoregistry.GlobalFiles); err != nil {
+			return err
 		}
 
 		// register migrations
@@ -594,7 +592,7 @@
 	return nil
 }
 
-func registerServices[T transaction.Tx](s hasServicesV1, app *App[T], registry *protoregistry.Files) error {
+func registerServices[T transaction.Tx](s appmodulev2.AppModule, app *App[T], registry *protoregistry.Files) error {
 	c := &configurator{
 		grpcQueryDecoders: map[string]func() gogoproto.Message{},
 		stfQueryRouter:    app.queryRouterBuilder,
@@ -603,8 +601,28 @@
 		err:               nil,
 	}
 
-	if err := s.RegisterServices(c); err != nil {
-		return fmt.Errorf("unable to register services: %w", err)
+	if services, ok := s.(hasServicesV1); ok {
+		if err := services.RegisterServices(c); err != nil {
+			return fmt.Errorf("unable to register services: %w", err)
+		}
+	} else {
+		// If module not implement RegisterServices, register msg & query handler.
+		if module, ok := s.(appmodulev2.HasMsgHandlers); ok {
+			module.RegisterMsgHandlers(app.msgRouterBuilder)
+		}
+
+		if module, ok := s.(appmodulev2.HasQueryHandlers); ok {
+			module.RegisterQueryHandlers(app.queryRouterBuilder)
+			// TODO: query regist by RegisterQueryHandlers not in grpcQueryDecoders
+			if module, ok := s.(interface {
+				GetQueryDecoders() map[string]func() gogoproto.Message
+			}); ok {
+				decoderMap := module.GetQueryDecoders()
+				for path, decoder := range decoderMap {
+					app.GRPCMethodsToMessageMap[path] = decoder
+				}
+			}
+		}
 	}
 
 	if c.err != nil {

simapp/v2/simdv2/cmd/testnet.go

@@ -24,6 +24,7 @@ import (
 	"cosmossdk.io/server/v2/cometbft"
 	"cosmossdk.io/server/v2/store"
 	banktypes "cosmossdk.io/x/bank/types"
+	bankv2types "cosmossdk.io/x/bank/v2/types"
 	stakingtypes "cosmossdk.io/x/staking/types"
 
 	"github.com/cosmos/cosmos-sdk/client"
@@ -402,6 +403,13 @@ func initGenFiles[T transaction.Tx](
 	}
 	appGenState[banktypes.ModuleName] = clientCtx.Codec.MustMarshalJSON(&bankGenState)
 
+	var bankV2GenState bankv2types.GenesisState
+	clientCtx.Codec.MustUnmarshalJSON(appGenState[bankv2types.ModuleName], &bankV2GenState)
+	if len(bankV2GenState.Balances) == 0 {
+		bankV2GenState = getBankV2GenesisFromV1(bankGenState)
+	}
+	appGenState[bankv2types.ModuleName] = clientCtx.Codec.MustMarshalJSON(&bankV2GenState)
+
 	appGenStateJSON, err := json.MarshalIndent(appGenState, "", "  ")
 	if err != nil {
 		return err
@@ -504,3 +512,16 @@ func writeFile(name, dir string, contents []byte) error {
 
 	return os.WriteFile(file, contents, 0o600)
 }
+
+// getBankV2GenesisFromV1 clones bank/v1 state to bank/v2
+// since we not migrate yet
+// TODO: Remove
+func getBankV2GenesisFromV1(v1GenesisState banktypes.GenesisState) bankv2types.GenesisState {
+	var v2GenesisState bankv2types.GenesisState
+	for _, balance := range v1GenesisState.Balances {
+		v2Balance := bankv2types.Balance(balance)
+		v2GenesisState.Balances = append(v2GenesisState.Balances, v2Balance)
+		v2GenesisState.Supply = v2GenesisState.Supply.Add(balance.Coins...)
+	}
+	return v2GenesisState
+}

tests/systemtests/bankv2_test.go

@@ -0,0 +1,59 @@
+//go:build system_test
+
+package systemtests
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/tidwall/gjson"
+)
+
+func TestBankV2SendTxCmd(t *testing.T) {
+	// Currently only run with app v2
+	if !isV2() {
+		t.Skip()
+	}
+	// scenario: test bank send command
+	// given a running chain
+
+	sut.ResetChain(t)
+	cli := NewCLIWrapper(t, sut, verbose)
+
+	// get validator address
+	valAddr := gjson.Get(cli.Keys("keys", "list"), "1.address").String()
+	require.NotEmpty(t, valAddr)
+
+	// add new key
+	receiverAddr := cli.AddKey("account1")
+	denom := "stake"
+	sut.StartChain(t)
+
+	// query validator balance and make sure it has enough balance
+	var transferAmount int64 = 1000
+	raw := cli.CustomQuery("q", "bankv2", "balance", valAddr, denom)
+	valBalance := gjson.Get(raw, "balance.amount").Int()
+
+	require.Greater(t, valBalance, transferAmount, "not enough balance found with validator")
+
+	bankSendCmdArgs := []string{"tx", "bankv2", "send", valAddr, receiverAddr, fmt.Sprintf("%d%s", transferAmount, denom)}
+
+	// test valid transaction
+	rsp := cli.Run(append(bankSendCmdArgs, "--fees=1stake")...)
+	txResult, found := cli.AwaitTxCommitted(rsp)
+	require.True(t, found)
+	RequireTxSuccess(t, txResult)
+
+	// Check balance after send
+	valRaw := cli.CustomQuery("q", "bankv2", "balance", valAddr, denom)
+	valBalanceAfer := gjson.Get(valRaw, "balance.amount").Int()
+
+	// TODO: Make DeductFee ante handler work with bank/v2
+	require.Equal(t, valBalanceAfer, valBalance - transferAmount)
+
+	receiverRaw := cli.CustomQuery("q", "bankv2", "balance", receiverAddr, denom)
+	receiverBalance := gjson.Get(receiverRaw, "balance.amount").Int()
+	require.Equal(t, receiverBalance, transferAmount)
+
+}

x/bank/proto/cosmos/bank/v2/genesis.proto

@@ -4,11 +4,43 @@ package cosmos.bank.v2;
 import "gogoproto/gogo.proto";
 import "cosmos/bank/v2/bank.proto";
 import "amino/amino.proto";
+import "cosmos/base/v1beta1/coin.proto";
+import "cosmos_proto/cosmos.proto";
 
 option go_package = "cosmossdk.io/x/bank/v2/types";
 
 // GenesisState defines the bank/v2 module's genesis state.
 message GenesisState {
   // params defines all the parameters of the module.
   Params params = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
+
+  // balances is an array containing the balances of all the accounts.
+  repeated Balance balances = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
+
+  // supply represents the total supply. If it is left empty, then supply will be calculated based on the provided
+  // balances. Otherwise, it will be used to validate that the sum of the balances equals this amount.
+  repeated cosmos.base.v1beta1.Coin supply = 3 [
+    (amino.encoding)         = "legacy_coins",
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
+    (gogoproto.nullable)     = false,
+    (amino.dont_omitempty)   = true
+  ];
+}
+
+// Balance defines an account address and balance pair used in the bank module's
+// genesis state.
+message Balance {
+  option (gogoproto.equal)           = false;
+  option (gogoproto.goproto_getters) = false;
+
+  // address is the address of the balance holder.
+  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+
+  // coins defines the different coins this balance holds.
+  repeated cosmos.base.v1beta1.Coin coins = 2 [
+    (amino.encoding)         = "legacy_coins",
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
+    (gogoproto.nullable)     = false,
+    (amino.dont_omitempty)   = true
+  ];
 }

x/bank/proto/cosmos/bank/v2/query.proto

@@ -4,6 +4,8 @@ package cosmos.bank.v2;
 import "gogoproto/gogo.proto";
 import "amino/amino.proto";
 import "cosmos/bank/v2/bank.proto";
+import "cosmos/base/v1beta1/coin.proto";
+import "cosmos_proto/cosmos.proto";
 
 option go_package = "cosmossdk.io/x/bank/v2/types";
 
@@ -14,4 +16,22 @@ message QueryParamsRequest {}
 message QueryParamsResponse {
   // params provides the parameters of the bank module.
   Params params = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
+}
+
+// QueryBalanceRequest is the request type for the Query/Balance RPC method.
+message QueryBalanceRequest {
+  option (gogoproto.equal)           = false;
+  option (gogoproto.goproto_getters) = false;
+
+  // address is the address to query balances for.
+  string address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+
+  // denom is the coin denom to query balances for.
+  string denom = 2;
+}
+
+// QueryBalanceResponse is the response type for the Query/Balance RPC method.
+message QueryBalanceResponse {
+  // balance is the balance of the coin.
+  cosmos.base.v1beta1.Coin balance = 1;
 }

x/bank/proto/cosmos/bank/v2/tx.proto

@@ -6,6 +6,7 @@ import "cosmos/bank/v2/bank.proto";
 import "cosmos_proto/cosmos.proto";
 import "cosmos/msg/v1/msg.proto";
 import "amino/amino.proto";
+import "cosmos/base/v1beta1/coin.proto";
 
 option go_package = "cosmossdk.io/x/bank/v2/types";
 
@@ -23,4 +24,42 @@ message MsgUpdateParams {
 }
 
 // MsgUpdateParamsResponse defines the response structure for executing a MsgUpdateParams message.
-message MsgUpdateParamsResponse {}
+message MsgUpdateParamsResponse {}
+
+// MsgSend represents a message to send coins from one account to another.
+message MsgSend {
+  option (cosmos.msg.v1.signer) = "from_address";
+  option (amino.name)           = "cosmos-sdk/x/bank/v2/MsgSend";
+
+  string   from_address                    = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+  string   to_address                      = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+  repeated cosmos.base.v1beta1.Coin amount = 3 [
+    (gogoproto.nullable)     = false,
+    (amino.dont_omitempty)   = true,
+    (amino.encoding)         = "legacy_coins",
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
+  ];
+}
+
+// MsgSendResponse defines the response structure for executing a MsgSend message.
+message MsgSendResponse {}
+
+// MsgMint is the Msg/Mint request type.
+message MsgMint {
+  option (cosmos.msg.v1.signer) = "authority";
+  option (amino.name)           = "cosmos-sdk/x/bank/v2/MsgMint";
+
+  // authority is the address that controls the module (defaults to x/gov unless overwritten).
+  string authority = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+
+  string   to_address                      = 2 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+  repeated cosmos.base.v1beta1.Coin amount = 3 [
+    (gogoproto.nullable)     = false,
+    (amino.dont_omitempty)   = true,
+    (amino.encoding)         = "legacy_coins",
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
+  ];
+}
+
+// MsgMint defines the response structure for executing a MsgMint message.
+message MsgMintResponse {}

x/bank/v2/client/cli/query.go

@@ -0,0 +1,79 @@
+package cli
+
+import (
+	"errors"
+
+	gogoproto "github.com/cosmos/gogoproto/proto"
+	"github.com/spf13/cobra"
+
+	"cosmossdk.io/x/bank/v2/types"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	FlagDenom = "denom"
+)
+
+// GetQueryCmd returns the parent command for all x/bank CLi query commands. The
+// provided clientCtx should have, at a minimum, a verifier, Tendermint RPC client,
+// and marshaler set.
+func GetQueryCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      "Querying commands for the bank module",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	cmd.AddCommand(
+		GetBalanceCmd(),
+	)
+
+	return cmd
+}
+
+func GetBalanceCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "balance [address] [denom]",
+		Short: "Query an account balance by address and denom",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			denom := args[1]
+			if denom == "" {
+				return errors.New("empty denom")
+			}
+
+			addr, err := sdk.AccAddressFromBech32(args[0])
+			if err != nil {
+				return err
+			}
+
+			ctx := cmd.Context()
+
+			req := types.NewQueryBalanceRequest(addr.String(), denom)
+			out := new(types.QueryBalanceResponse)
+
+			err = clientCtx.Invoke(ctx, gogoproto.MessageName(&types.QueryBalanceRequest{}), req, out)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(out)
+		},
+	}
+
+	cmd.Flags().String(FlagDenom, "", "The specific balance denomination to query for")
+	flags.AddQueryFlagsToCmd(cmd)
+	flags.AddPaginationFlagsToCmd(cmd, "all balances")
+
+	return cmd
+}