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fix: MsgMultiSend validation allows only a single sender #12610

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merged 6 commits into from
Jul 19, 2022
Merged

fix: MsgMultiSend validation allows only a single sender #12610

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abc4340
wip
likhita-809 Jul 18, 2022
580861c
Merge branch 'main' of https://github.com/cosmos/cosmos-sdk into likh…
likhita-809 Jul 18, 2022
fe244bd
wip: address review comments
likhita-809 Jul 19, 2022
e2f3642
bump bank's consensus version
likhita-809 Jul 19, 2022
9616d0d
Merge branch 'main' of https://github.com/cosmos/cosmos-sdk into likh…
likhita-809 Jul 19, 2022
e63581a
revert consensus version bump and minor nit
likhita-809 Jul 19, 2022
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -56,6 +56,7 @@ Ref: https://keepachangelog.com/en/1.0.0/

### State Machine Breaking

* (x/bank) [#12610](https://github.com/cosmos/cosmos-sdk/pull/12610) `MsgMultiSend` now allows only a single input.
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TODO: Add in UPGRADING.md the alternative. (For me to remember for next version)

* (x/auth) [#12475](https://github.com/cosmos/cosmos-sdk/pull/12475) Migrate `x/auth` to self-managed parameters and deprecate its usage of `x/params`.
* (x/slashing) [#12399](https://github.com/cosmos/cosmos-sdk/pull/12399) Migrate `x/slashing` to self-managed parameters and deprecate its usage of `x/params`.
* (x/mint) [#12363](https://github.com/cosmos/cosmos-sdk/pull/12363) Migrate `x/mint` to self-managed parameters and deprecate it's usage of `x/params`.
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217 changes: 79 additions & 138 deletions api/cosmos/bank/v1beta1/tx.pulsar.go
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6 changes: 3 additions & 3 deletions proto/cosmos/bank/v1beta1/tx.proto
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Expand Up @@ -34,13 +34,13 @@ message MsgSend {
// MsgSendResponse defines the Msg/Send response type.
message MsgSendResponse {}

// MsgMultiSend represents an arbitrary multi-in, multi-out send message.
// MsgMultiSend represents a single input, multi-out send message.
message MsgMultiSend {
option (cosmos.msg.v1.signer) = "inputs";
option (cosmos.msg.v1.signer) = "input";

option (gogoproto.equal) = false;

repeated Input inputs = 1 [(gogoproto.nullable) = false];
Input input = 1 [(gogoproto.nullable) = false];
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This PR got merged with a proto breaking change, and the proto package did not get bumped.

We should actually revert this change. @likhita-809 could you create a follow-up PR?

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(thinking about it, my comment #12610 (comment) might have been confusing... I thought there was something to change in the signer proto option, but there's actually nothing to change).

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So, should I revert it to this commit abc4340#diff-4b06aeb8c7fd43a99b1a1c0eb62792aae06649ead661bd26bc843e9a0485336a

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Not 100% sure which commit it should be, but all the proto changes in this PR should be reverted.

repeated Output outputs = 2 [(gogoproto.nullable) = false];
}

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82 changes: 7 additions & 75 deletions x/bank/app_test.go
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Expand Up @@ -39,47 +39,31 @@ var (
priv2 = secp256k1.GenPrivKey()
addr2 = sdk.AccAddress(priv2.PubKey().Address())
addr3 = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address())
priv4 = secp256k1.GenPrivKey()
addr4 = sdk.AccAddress(priv4.PubKey().Address())

coins = sdk.Coins{sdk.NewInt64Coin("foocoin", 10)}
halfCoins = sdk.Coins{sdk.NewInt64Coin("foocoin", 5)}

sendMsg1 = types.NewMsgSend(addr1, addr2, coins)

multiSendMsg1 = &types.MsgMultiSend{
Inputs: []types.Input{types.NewInput(addr1, coins)},
Input: types.NewInput(addr1, coins),
Outputs: []types.Output{types.NewOutput(addr2, coins)},
}
multiSendMsg2 = &types.MsgMultiSend{
Inputs: []types.Input{types.NewInput(addr1, coins)},
Input: types.NewInput(addr1, coins),
Outputs: []types.Output{
types.NewOutput(addr2, halfCoins),
types.NewOutput(addr3, halfCoins),
},
}
multiSendMsg3 = &types.MsgMultiSend{
Inputs: []types.Input{
types.NewInput(addr1, coins),
types.NewInput(addr4, coins),
},
Outputs: []types.Output{
types.NewOutput(addr2, coins),
types.NewOutput(addr3, coins),
},
}
multiSendMsg4 = &types.MsgMultiSend{
Inputs: []types.Input{
types.NewInput(addr2, coins),
},
Input: types.NewInput(addr2, coins),
Outputs: []types.Output{
types.NewOutput(addr1, coins),
},
}
multiSendMsg5 = &types.MsgMultiSend{
Inputs: []types.Input{
types.NewInput(addr1, coins),
},
multiSendMsg4 = &types.MsgMultiSend{
Input: types.NewInput(addr1, coins),
Outputs: []types.Output{
types.NewOutput(moduleAccAddr, coins),
},
Expand Down Expand Up @@ -163,7 +147,7 @@ func TestMsgMultiSendWithAccounts(t *testing.T) {
},
{
desc: "wrong accSeq should not pass Simulate",
msgs: []sdk.Msg{multiSendMsg5},
msgs: []sdk.Msg{multiSendMsg4},
accNums: []uint64{0},
accSeqs: []uint64{0}, // wrong account sequence
expSimPass: false,
Expand Down Expand Up @@ -234,58 +218,6 @@ func TestMsgMultiSendMultipleOut(t *testing.T) {
}
}

func TestMsgMultiSendMultipleInOut(t *testing.T) {
acc1 := &authtypes.BaseAccount{
Address: addr1.String(),
}
acc2 := &authtypes.BaseAccount{
Address: addr2.String(),
}
acc4 := &authtypes.BaseAccount{
Address: addr4.String(),
}

genAccs := []authtypes.GenesisAccount{acc1, acc2, acc4}
app := simapp.SetupWithGenesisAccounts(t, genAccs)
ctx := app.BaseApp.NewContext(false, tmproto.Header{})

require.NoError(t, testutil.FundAccount(app.BankKeeper, ctx, addr1, sdk.NewCoins(sdk.NewInt64Coin("foocoin", 42))))

require.NoError(t, testutil.FundAccount(app.BankKeeper, ctx, addr2, sdk.NewCoins(sdk.NewInt64Coin("foocoin", 42))))

require.NoError(t, testutil.FundAccount(app.BankKeeper, ctx, addr4, sdk.NewCoins(sdk.NewInt64Coin("foocoin", 42))))

app.Commit()

testCases := []appTestCase{
{
msgs: []sdk.Msg{multiSendMsg3},
accNums: []uint64{0, 2},
accSeqs: []uint64{0, 0},
expSimPass: true,
expPass: true,
privKeys: []cryptotypes.PrivKey{priv1, priv4},
expectedBalances: []expectedBalance{
{addr1, sdk.Coins{sdk.NewInt64Coin("foocoin", 32)}},
{addr4, sdk.Coins{sdk.NewInt64Coin("foocoin", 32)}},
{addr2, sdk.Coins{sdk.NewInt64Coin("foocoin", 52)}},
{addr3, sdk.Coins{sdk.NewInt64Coin("foocoin", 10)}},
},
},
}

for _, tc := range testCases {
header := tmproto.Header{Height: app.LastBlockHeight() + 1}
txGen := simapp.MakeTestEncodingConfig().TxConfig
_, _, err := simapp.SignCheckDeliver(t, txGen, app.BaseApp, header, tc.msgs, "", tc.accNums, tc.accSeqs, tc.expSimPass, tc.expPass, tc.privKeys...)
require.NoError(t, err)

for _, eb := range tc.expectedBalances {
simapp.CheckBalance(t, app, eb.addr, eb.coins)
}
}
}

func TestMsgMultiSendDependent(t *testing.T) {
acc1 := authtypes.NewBaseAccountWithAddress(addr1)
acc2 := authtypes.NewBaseAccountWithAddress(addr2)
Expand Down Expand Up @@ -314,7 +246,7 @@ func TestMsgMultiSendDependent(t *testing.T) {
},
},
{
msgs: []sdk.Msg{multiSendMsg4},
msgs: []sdk.Msg{multiSendMsg3},
accNums: []uint64{1},
accSeqs: []uint64{0},
expSimPass: true,
Expand Down
2 changes: 1 addition & 1 deletion x/bank/client/cli/tx.go
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Expand Up @@ -131,7 +131,7 @@ When using '--dry-run' a key name cannot be used, only a bech32 address.
amount = coins.MulInt(totalAddrs)
}

msg := types.NewMsgMultiSend([]types.Input{types.NewInput(clientCtx.FromAddress, amount)}, output)
msg := types.NewMsgMultiSend(types.NewInput(clientCtx.FromAddress, amount), output)

return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
},
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75 changes: 34 additions & 41 deletions x/bank/keeper/keeper_test.go
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Expand Up @@ -359,14 +359,15 @@ func (suite *IntegrationTestSuite) TestInputOutputNewAccount() {
suite.Require().Nil(app.AccountKeeper.GetAccount(ctx, addr2))
suite.Require().Empty(app.BankKeeper.GetAllBalances(ctx, addr2))

inputs := []types.Input{
{Address: addr1.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
input := types.Input{
Address: addr1.String(),
Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10)),
}
outputs := []types.Output{
{Address: addr2.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
}

suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

expected := sdk.NewCoins(newFooCoin(30), newBarCoin(10))
acc2Balances := app.BankKeeper.GetAllBalances(ctx, addr2)
Expand All @@ -390,30 +391,30 @@ func (suite *IntegrationTestSuite) TestInputOutputCoins() {
acc3 := app.AccountKeeper.NewAccountWithAddress(ctx, addr3)
app.AccountKeeper.SetAccount(ctx, acc3)

inputs := []types.Input{
{Address: addr1.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
{Address: addr1.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
input := types.Input{
Address: addr1.String(),
Coins: sdk.NewCoins(newFooCoin(60), newBarCoin(20)),
}
outputs := []types.Output{
{Address: addr2.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
{Address: addr3.String(), Coins: sdk.NewCoins(newFooCoin(30), newBarCoin(10))},
}

suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, inputs, []types.Output{}))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, input, []types.Output{}))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr1, balances))

insufficientInputs := []types.Input{
{Address: addr1.String(), Coins: sdk.NewCoins(newFooCoin(300), newBarCoin(100))},
{Address: addr1.String(), Coins: sdk.NewCoins(newFooCoin(300), newBarCoin(100))},
insufficientInput := types.Input{
Address: addr1.String(),
Coins: sdk.NewCoins(newFooCoin(300), newBarCoin(100)),
}
insufficientOutputs := []types.Output{
{Address: addr2.String(), Coins: sdk.NewCoins(newFooCoin(300), newBarCoin(100))},
{Address: addr3.String(), Coins: sdk.NewCoins(newFooCoin(300), newBarCoin(100))},
}
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, insufficientInputs, insufficientOutputs))
suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, insufficientInput, insufficientOutputs))
suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

acc1Balances := app.BankKeeper.GetAllBalances(ctx, addr1)
expected := sdk.NewCoins(newFooCoin(30), newBarCoin(10))
Expand Down Expand Up @@ -607,28 +608,29 @@ func (suite *IntegrationTestSuite) TestMsgMultiSendEvents() {
app.AccountKeeper.SetAccount(ctx, acc)
app.AccountKeeper.SetAccount(ctx, acc2)

coins := sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50), sdk.NewInt64Coin(barDenom, 100))
newCoins := sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50))
newCoins2 := sdk.NewCoins(sdk.NewInt64Coin(barDenom, 100))
inputs := []types.Input{
{Address: addr.String(), Coins: newCoins},
{Address: addr2.String(), Coins: newCoins2},
input := types.Input{
Address: addr.String(),
Coins: coins,
}
outputs := []types.Output{
{Address: addr3.String(), Coins: newCoins},
{Address: addr4.String(), Coins: newCoins2},
}

suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

events := ctx.EventManager().ABCIEvents()
suite.Require().Equal(0, len(events))

// Set addr's coins but not addr2's coins
suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr, sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50))))
suite.Require().Error(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr, sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50), sdk.NewInt64Coin(barDenom, 100))))
suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

events = ctx.EventManager().ABCIEvents()
suite.Require().Equal(8, len(events)) // 7 events because account funding causes extra minting + coin_spent + coin_recv events
suite.Require().Equal(12, len(events)) // 9 events because account funding causes extra minting + coin_spent + coin_recv events

event1 := sdk.Event{
Type: sdk.EventTypeMessage,
Expand All @@ -644,50 +646,41 @@ func (suite *IntegrationTestSuite) TestMsgMultiSendEvents() {
suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr, sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50))))
newCoins = sdk.NewCoins(sdk.NewInt64Coin(fooDenom, 50))

suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr2, sdk.NewCoins(sdk.NewInt64Coin(barDenom, 100))))
suite.Require().NoError(testutil.FundAccount(app.BankKeeper, ctx, addr, sdk.NewCoins(sdk.NewInt64Coin(barDenom, 100))))
newCoins2 = sdk.NewCoins(sdk.NewInt64Coin(barDenom, 100))

suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, inputs, outputs))
suite.Require().NoError(app.BankKeeper.InputOutputCoins(ctx, input, outputs))

events = ctx.EventManager().ABCIEvents()
suite.Require().Equal(28, len(events)) // 25 due to account funding + coin_spent + coin_recv events
suite.Require().Equal(30, len(events)) // 27 due to account funding + coin_spent + coin_recv events

event2 := sdk.Event{
Type: sdk.EventTypeMessage,
Type: types.EventTypeTransfer,
Attributes: []abci.EventAttribute{},
}
event2.Attributes = append(
event2.Attributes,
abci.EventAttribute{Key: types.AttributeKeySender, Value: addr2.String()},
abci.EventAttribute{Key: types.AttributeKeyRecipient, Value: addr3.String()},
)
event2.Attributes = append(
event2.Attributes,
abci.EventAttribute{Key: sdk.AttributeKeyAmount, Value: newCoins.String()})
event3 := sdk.Event{
Type: types.EventTypeTransfer,
Attributes: []abci.EventAttribute{},
}
event3.Attributes = append(
event3.Attributes,
abci.EventAttribute{Key: types.AttributeKeyRecipient, Value: addr3.String()},
abci.EventAttribute{Key: types.AttributeKeyRecipient, Value: addr4.String()},
)
event3.Attributes = append(
event3.Attributes,
abci.EventAttribute{Key: sdk.AttributeKeyAmount, Value: newCoins.String()})
event4 := sdk.Event{
Type: types.EventTypeTransfer,
Attributes: []abci.EventAttribute{},
}
event4.Attributes = append(
event4.Attributes,
abci.EventAttribute{Key: types.AttributeKeyRecipient, Value: addr4.String()},
)
event4.Attributes = append(
event4.Attributes,
abci.EventAttribute{Key: sdk.AttributeKeyAmount, Value: newCoins2.String()},
)
// events are shifted due to the funding account events
suite.Require().Equal(abci.Event(event1), events[21])
suite.Require().Equal(abci.Event(event2), events[23])
suite.Require().Equal(abci.Event(event3), events[25])
suite.Require().Equal(abci.Event(event4), events[27])
suite.Require().Equal(abci.Event(event1), events[25])
suite.Require().Equal(abci.Event(event2), events[27])
suite.Require().Equal(abci.Event(event3), events[29])
}

func (suite *IntegrationTestSuite) TestSpendableCoins() {
Expand Down
8 changes: 3 additions & 5 deletions x/bank/keeper/msg_server.go
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Expand Up @@ -74,10 +74,8 @@ func (k msgServer) MultiSend(goCtx context.Context, msg *types.MsgMultiSend) (*t
ctx := sdk.UnwrapSDKContext(goCtx)

// NOTE: totalIn == totalOut should already have been checked
for _, in := range msg.Inputs {
if err := k.IsSendEnabledCoins(ctx, in.Coins...); err != nil {
return nil, err
}
if err := k.IsSendEnabledCoins(ctx, msg.Input.Coins...); err != nil {
return nil, err
}

for _, out := range msg.Outputs {
Expand All @@ -88,7 +86,7 @@ func (k msgServer) MultiSend(goCtx context.Context, msg *types.MsgMultiSend) (*t
}
}

err := k.InputOutputCoins(ctx, msg.Inputs, msg.Outputs)
err := k.InputOutputCoins(ctx, msg.Input, msg.Outputs)
if err != nil {
return nil, err
}
Expand Down
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