feat(x/genutil)!: bulk add genesis accounts

CHANGELOG.md

@@ -43,6 +43,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 ### Features
 
 * (baseapp) [#20291](https://github.com/cosmos/cosmos-sdk/pull/20291) Simulate nested messages.
+* (cli) [#21372](https://github.com/cosmos/cosmos-sdk/pull/21372) Add a `bulk-add-genesis-account` genesis command to add many genesis accounts at once.
 
 ### Improvements
 
@@ -140,7 +141,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 * (client) [#17215](https://github.com/cosmos/cosmos-sdk/pull/17215) `server.StartCmd`,`server.ExportCmd`,`server.NewRollbackCmd`,`pruning.Cmd`,`genutilcli.InitCmd`,`genutilcli.GenTxCmd`,`genutilcli.CollectGenTxsCmd`,`genutilcli.AddGenesisAccountCmd`, do not take a home directory anymore. It is inferred from the root command.
 * (client) [#17259](https://github.com/cosmos/cosmos-sdk/pull/17259) Remove deprecated `clientCtx.PrintObjectLegacy`. Use `clientCtx.PrintProto` or `clientCtx.PrintRaw` instead.
 * (types) [#17348](https://github.com/cosmos/cosmos-sdk/pull/17348) Remove the `WrapServiceResult` function.
-    * The `*sdk.Result` returned by the msg server router will not contain the `.Data` field. 
+    * The `*sdk.Result` returned by the msg server router will not contain the `.Data` field.
 * (types) [#17426](https://github.com/cosmos/cosmos-sdk/pull/17426) `NewContext` does not take a `cmtproto.Header{}` any longer.
     * `WithChainID` / `WithBlockHeight` / `WithBlockHeader` must be used to set values on the context
 * (client/keys) [#17503](https://github.com/cosmos/cosmos-sdk/pull/17503) `clientkeys.NewKeyOutput`, `MkConsKeyOutput`, `MkValKeyOutput`, `MkAccKeyOutput`, `MkAccKeysOutput` now take their corresponding address codec instead of using the global SDK config.
@@ -196,7 +197,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 * (x/crisis) [#20043](https://github.com/cosmos/cosmos-sdk/pull/20043) Changed `NewMsgVerifyInvariant` to accept a string as argument instead of an `AccAddress`.
 * (x/simulation)[#20056](https://github.com/cosmos/cosmos-sdk/pull/20056) `SimulateFromSeed` now takes an address codec as argument.
 * (server) [#20140](https://github.com/cosmos/cosmos-sdk/pull/20140) Remove embedded grpc-web proxy in favor of standalone grpc-web proxy. [Envoy Proxy](https://www.envoyproxy.io/docs/envoy/latest/start/start)
-* (client) [#20255](https://github.com/cosmos/cosmos-sdk/pull/20255) Use comet proofOp proto type instead of sdk version to avoid needing to translate to later be proven in the merkle proof runtime. 
+* (client) [#20255](https://github.com/cosmos/cosmos-sdk/pull/20255) Use comet proofOp proto type instead of sdk version to avoid needing to translate to later be proven in the merkle proof runtime.
 * (types)[#20369](https://github.com/cosmos/cosmos-sdk/pull/20369) The signature of `HasAminoCodec` has changed to accept a `core/legacy.Amino` interface instead of `codec.LegacyAmino`.
 * (server) [#20422](https://github.com/cosmos/cosmos-sdk/pull/20422) Deprecated `ServerContext`. To get `cmtcfg.Config` from cmd, use `client.GetCometConfigFromCmd(cmd)` instead of `server.GetServerContextFromCmd(cmd).Config`
 * (x/genutil) [#20740](https://github.com/cosmos/cosmos-sdk/pull/20740) Update `genutilcli.Commands` and `genutilcli.CommandsWithCustomMigrationMap` to take the genesis module and abstract the module manager.
@@ -208,7 +209,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 
 ### Client Breaking Changes
 
-* (runtime) [#19040](https://github.com/cosmos/cosmos-sdk/pull/19040) Simplify app config implementation and deprecate `/cosmos/app/v1alpha1/config` query. 
+* (runtime) [#19040](https://github.com/cosmos/cosmos-sdk/pull/19040) Simplify app config implementation and deprecate `/cosmos/app/v1alpha1/config` query.
 
 ### CLI Breaking Changes
 
@@ -272,7 +273,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 * (types) [#19759](https://github.com/cosmos/cosmos-sdk/pull/19759) Align SignerExtractionAdapter in PriorityNonceMempool Remove.
 * (client) [#19870](https://github.com/cosmos/cosmos-sdk/pull/19870) Add new query command `wait-tx`. Alias `event-query-tx-for` to `wait-tx` for backward compatibility.
 
-### Improvements 
+### Improvements
 
 * (telemetry) [#19903](https://github.com/cosmos/cosmos-sdk/pull/19903) Conditionally emit metrics based on enablement.
     * **Introduction of `Now` Function**: Added a new function called `Now` to the telemetry package. It returns the current system time if telemetry is enabled, or a zero time if telemetry is not enabled.

x/genutil/client/cli/commands.go

@@ -41,6 +41,7 @@ func CommandsWithCustomMigrationMap(genutilModule genutil.AppModule, genMM genes
 		CollectGenTxsCmd(genutilModule.GenTxValidator()),
 		ValidateGenesisCmd(genMM),
 		AddGenesisAccountCmd(),
+		AddBulkGenesisAccountCmd(),
 		ExportCmd(appExport),
 	)
 

x/genutil/client/cli/genaccount.go

@@ -2,7 +2,9 @@ package cli
 
 import (
 	"bufio"
+	"encoding/json"
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 
@@ -71,7 +73,33 @@ contain valid denominations. Accounts may optionally be supplied with vesting pa
 			vestingAmtStr, _ := cmd.Flags().GetString(flagVestingAmt)
 			moduleNameStr, _ := cmd.Flags().GetString(flagModuleName)
 
-			return genutil.AddGenesisAccount(clientCtx.Codec, clientCtx.AddressCodec, addr, appendflag, config.GenesisFile(), args[1], vestingAmtStr, vestingStart, vestingEnd, moduleNameStr)
+			addrStr, err := addressCodec.BytesToString(addr)
+			if err != nil {
+				return err
+			}
+
+			coins, err := sdk.ParseCoinsNormalized(args[1])
+			if err != nil {
+				return err
+			}
+
+			vestingAmt, err := sdk.ParseCoinsNormalized(vestingAmtStr)
+			if err != nil {
+				return err
+			}
+
+			accounts := []genutil.GenesisAccount{
+				{
+					Address:      addrStr,
+					Coins:        coins,
+					VestingAmt:   vestingAmt,
+					VestingStart: vestingStart,
+					VestingEnd:   vestingEnd,
+					ModuleName:   moduleNameStr,
+				},
+			}
+
+			return genutil.AddGenesisAccounts(clientCtx.Codec, clientCtx.AddressCodec, accounts, appendflag, config.GenesisFile())
 		},
 	}
 
@@ -85,3 +113,66 @@ contain valid denominations. Accounts may optionally be supplied with vesting pa
 
 	return cmd
 }
+
+// AddBulkGenesisAccountCmd returns bulk-add-genesis-account cobra Command.
+// This command is provided as a default, applications are expected to provide their own command if custom genesis accounts are needed.
+func AddBulkGenesisAccountCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "bulk-add-genesis-account [/file/path.json]",
+		Short: "Bulk add genesis accounts to genesis.json",
+		Example: `bulk-add-genesis-account accounts.json
+
+where accounts.json is:
+
+[
+    {
+        "address": "cosmos139f7kncmglres2nf3h4hc4tade85ekfr8sulz5",
+        "coins": [
+            { "denom": "umuon", "amount": "100000000" },
+            { "denom": "stake", "amount": "200000000" }
+        ]
+    },
+    {
+        "address": "cosmos1e0jnq2sun3dzjh8p2xq95kk0expwmd7shwjpfg",
+        "coins": [
+            { "denom": "umuon", "amount": "500000000" }
+        ],
+        "vesting_amt": [
+            { "denom": "umuon", "amount": "400000000" }
+        ],
+        "vesting_start": 1724711478,
+        "vesting_end": 1914013878
+    }
+]
+`,
+		Long: `Add genesis accounts in bulk to genesis.json. The provided account must specify
+the account address and a list of initial coins. The list of initial tokens must
+contain valid denominations. Accounts may optionally be supplied with vesting parameters.
+`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx := client.GetClientContextFromCmd(cmd)
+			config := client.GetConfigFromCmd(cmd)
+
+			f, err := os.Open(args[0])
+			if err != nil {
+				return fmt.Errorf("failed to open file: %w", err)
+			}
+			defer f.Close()
+
+			var accounts []genutil.GenesisAccount
+			if err := json.NewDecoder(f).Decode(&accounts); err != nil {
+				return fmt.Errorf("failed to decode JSON: %w", err)
+			}
+
+			appendflag, _ := cmd.Flags().GetBool(flagAppendMode)
+
+			return genutil.AddGenesisAccounts(clientCtx.Codec, clientCtx.AddressCodec, accounts, appendflag, config.GenesisFile())
+		},
+	}
+
+	cmd.Flags().Bool(flagAppendMode, false, "append the coins to an account already in the genesis.json file")
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/genutil/client/cli/genaccount_test.go

@@ -2,6 +2,9 @@ package cli_test
 
 import (
 	"context"
+	"encoding/json"
+	"os"
+	"path"
 	"testing"
 
 	"github.com/spf13/viper"
@@ -10,6 +13,7 @@ import (
 	corectx "cosmossdk.io/core/context"
 	"cosmossdk.io/log"
 	"cosmossdk.io/x/auth"
+	banktypes "cosmossdk.io/x/bank/types"
 
 	"github.com/cosmos/cosmos-sdk/client"
 	codectestutil "github.com/cosmos/cosmos-sdk/codec/testutil"
@@ -18,8 +22,10 @@ import (
 	"github.com/cosmos/cosmos-sdk/testutil/testdata"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
+	"github.com/cosmos/cosmos-sdk/x/genutil"
 	genutilcli "github.com/cosmos/cosmos-sdk/x/genutil/client/cli"
 	genutiltest "github.com/cosmos/cosmos-sdk/x/genutil/client/testutil"
+	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
 )
 
 func TestAddGenesisAccountCmd(t *testing.T) {
@@ -111,3 +117,166 @@ func TestAddGenesisAccountCmd(t *testing.T) {
 		})
 	}
 }
+
+func TestBulkAddGenesisAccountCmd(t *testing.T) {
+	ac := codectestutil.CodecOptions{}.GetAddressCodec()
+	_, _, addr1 := testdata.KeyTestPubAddr()
+	_, _, addr2 := testdata.KeyTestPubAddr()
+	_, _, addr3 := testdata.KeyTestPubAddr()
+	addr1Str, err := ac.BytesToString(addr1)
+	require.NoError(t, err)
+	addr2Str, err := ac.BytesToString(addr2)
+	require.NoError(t, err)
+	addr3Str, err := ac.BytesToString(addr3)
+	require.NoError(t, err)
+
+	tests := []struct {
+		name       string
+		state      [][]genutil.GenesisAccount
+		expected   map[string]sdk.Coins
+		appendFlag bool
+		expectErr  bool
+	}{
+		{
+			name: "invalid address",
+			state: [][]genutil.GenesisAccount{
+				{
+					{
+						Address: "invalid",
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+					},
+				},
+			},
+			expectErr: true,
+		},
+		{
+			name: "no append flag for multiple account adds",
+			state: [][]genutil.GenesisAccount{
+				{
+					{
+						Address: addr1Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+					},
+				},
+				{
+					{
+						Address: addr1Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 2)),
+					},
+				},
+			},
+			appendFlag: false,
+			expectErr:  true,
+		},
+
+		{
+			name: "multiple additions with append",
+			state: [][]genutil.GenesisAccount{
+				{
+					{
+						Address: addr1Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+					},
+					{
+						Address: addr2Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+					},
+				},
+				{
+					{
+						Address: addr1Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 2)),
+					},
+					{
+						Address: addr2Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("stake", 1)),
+					},
+					{
+						Address: addr3Str,
+						Coins:   sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+					},
+				},
+			},
+			expected: map[string]sdk.Coins{
+				addr1Str: sdk.NewCoins(sdk.NewInt64Coin("test", 3)),
+				addr2Str: sdk.NewCoins(sdk.NewInt64Coin("test", 1), sdk.NewInt64Coin("stake", 1)),
+				addr3Str: sdk.NewCoins(sdk.NewInt64Coin("test", 1)),
+			},
+			appendFlag: true,
+			expectErr:  false,
+		},
+	}
+
+	for _, tc := range tests {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			home := t.TempDir()
+			logger := log.NewNopLogger()
+			v := viper.New()
+
+			encodingConfig := moduletestutil.MakeTestEncodingConfig(codectestutil.CodecOptions{}, auth.AppModule{})
+			appCodec := encodingConfig.Codec
+			txConfig := encodingConfig.TxConfig
+			err = genutiltest.ExecInitCmd(testMbm, home, appCodec)
+			require.NoError(t, err)
+
+			err = writeAndTrackDefaultConfig(v, home)
+			require.NoError(t, err)
+			clientCtx := client.Context{}.WithCodec(appCodec).WithHomeDir(home).
+				WithAddressCodec(ac).WithTxConfig(txConfig)
+
+			ctx := context.Background()
+			ctx = context.WithValue(ctx, client.ClientContextKey, &clientCtx)
+			ctx = context.WithValue(ctx, corectx.ViperContextKey, v)
+			ctx = context.WithValue(ctx, corectx.LoggerContextKey, logger)
+
+			// The first iteration (pre-append) may not error.
+			// Check if any errors after all state transitions to genesis.
+			doesErr := false
+
+			// apply multiple state iterations if applicable (e.g. --append)
+			for _, state := range tc.state {
+				bz, err := json.Marshal(state)
+				require.NoError(t, err)
+
+				filePath := path.Join(home, "accounts.json")
+				err = os.WriteFile(filePath, bz, 0o600)
+				require.NoError(t, err)
+
+				cmd := genutilcli.AddBulkGenesisAccountCmd()
+				args := []string{filePath}
+				if tc.appendFlag {
+					args = append(args, "--append")
+				}
+				cmd.SetArgs(args)
+
+				err = cmd.ExecuteContext(ctx)
+				if err != nil {
+					doesErr = true
+				}
+			}
+			require.Equal(t, tc.expectErr, doesErr)
+
+			// an error already occurred, no need to check the state
+			if doesErr {
+				return
+			}
+
+			appState, _, err := genutiltypes.GenesisStateFromGenFile(path.Join(home, "config", "genesis.json"))
+			require.NoError(t, err)
+
+			bankState := banktypes.GetGenesisStateFromAppState(encodingConfig.Codec, appState)
+
+			require.EqualValues(t, len(tc.expected), len(bankState.Balances))
+			for _, acc := range bankState.Balances {
+				require.True(t, tc.expected[acc.Address].Equal(acc.Coins), "expected: %v, got: %v", tc.expected[acc.Address], acc.Coins)
+			}
+
+			expectedSupply := sdk.NewCoins()
+			for _, coins := range tc.expected {
+				expectedSupply = expectedSupply.Add(coins...)
+			}
+			require.Equal(t, expectedSupply, bankState.Supply)
+		})
+	}
+}