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* adr 8 with 20/27 implementation

* change interface name and register codecs

* documentation

* add comma before new line

* fix return arg and dest for ica

* add ica tests

* adr 8 callback packet data impl followups  (#3325)

* remove query client (#3227)

* remove query client

* merge main

* go mod tidy

* Rename ``IsBound`` to ``HasCapability`` (#3253)

## Description



closes: #828


### Commit Message / Changelog Entry

```bash
imp(api!): rename `IsBound` to `HasCapability` for IBC application modules
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

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- [x] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
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- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
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- [ ] Review `Codecov Report` in the comment section below once CI passes.

* chore: add support for tendermint debug log level (#3279)

* build(deps): bump cosmossdk.io/math from 1.0.0-beta.6.0.20230216172121-959ce49135e4 to 1.0.0-rc.0 (#3285)

Bumps [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk) from 1.0.0-beta.6.0.20230216172121-959ce49135e4 to 1.0.0-rc.0.
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/cosmos/cosmos-sdk/commits/math/v1.0.0-rc.0">compare view</a></li>
</ul>
</details>
<br />


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</details>

* Write docker inspect output to diagnostics (#3291)

* chore: fix dead links (#3293)

## Description



closes: #XXXX


### Commit Message / Changelog Entry

```bash
type: commit message
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

Before we can merge this PR, please make sure that all the following items have been
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- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
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- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
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- [ ] Review `Codecov Report` in the comment section below once CI passes.

* build(deps): bump google.golang.org/protobuf from 1.29.0 to 1.29.1 (#3292)

* deps: bump SDK v0.47 (#3295)

Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: colin axnér <[email protected]>

* remove unnecessary import from doc

* chore: remove support for v3 (#3294)

* build(deps): bump actions/setup-go from 3 to 4 (#3307)

* imp: remove unnecessary defer func statements (#3304)

* Remove gogoproto yaml tags from proto files (#3290)

## Description
Refer from original issue, I removed all `yaml` tags in proto files.

closes: #3145 


### Commit Message / Changelog Entry

```bash
type: commit message
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

Before we can merge this PR, please make sure that all the following items have been
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- [ ] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#pull-request-targeting)).
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
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- [ ] Review `Codecov Report` in the comment section below once CI passes.

* add reasoning for migration to enable localhost

* Support configuration file for e2e tests (#3260)

* E2E fzf Test Selection Autocompletion (#3313)

* post v7 release chores (#3310)

* chore: fix linter warnings (#3311)

* ADR 008: IBC Actor Callbacks (#1976)

* context and decision

* complete adr

* Apply suggestions from code review

Co-authored-by: Carlos Rodriguez <[email protected]>

* change from caller to generalized actor

* Apply suggestions from code review

Co-authored-by: colin axnér <[email protected]>

* create folder and scaffolded middleware

* add error handling and generify packetdata interface

* complete renaming

* add user defined gas limit and clarify pseudocode

* Clarify CallbackPacketData interface

imp: Add ADR 008: IBC Actor Callbacks

---------

Co-authored-by: Carlos Rodriguez <[email protected]>
Co-authored-by: colin axnér <[email protected]>

* lint: fix spelling

* chore: apply self review concerns

* chore: rename CallbackPacketDataI to CallbackPacketData

* chore: finish applying remaining review suggestions

* test: add remaining unit tests for transfer and ica

* test: add unmarshaling test

* imp: address ADR 8 review suggestions (#3319)



---------

Co-authored-by: Damian Nolan <[email protected]>

* Bump interchain test (#3314)

* fix: remove codec registration

* fix: build + linting

* Only run e2e on R4R (#3330)

* fix fork workflows (#3328)

* Revert "Merge branch 'main' of github.com:cosmos/ibc-go into colin/callback-packet-data-impl"

This reverts commit 1c6164b, reversing
changes made to 6f25b8e.

* chore: add optional interface godoc

* Apply suggestions from code review

Co-authored-by: Carlos Rodriguez <[email protected]>

* chore: use backticks instead of escape characters in testing

---------

Co-authored-by: Lặc <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Cian Hatton <[email protected]>
Co-authored-by: Carlos Rodriguez <[email protected]>
Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: GNaD13 <[email protected]>
Co-authored-by: Hieu Vu <[email protected]>
Co-authored-by: Aditya <[email protected]>

* fix: merge conflicts

* chore: nits from self review

* imp: add UnmarshalPacketData interface function

* test: add tests for ica

* test: add remaining tests

* adr 8 with 20/27 implementation

* change interface name and register codecs

* documentation

* fix return arg and dest for ica

* add ica tests

* adr 8 callback packet data impl followups  (#3325)

* remove query client (#3227)

* remove query client

* merge main

* go mod tidy

* Rename ``IsBound`` to ``HasCapability`` (#3253)

## Description



closes: #828


### Commit Message / Changelog Entry

```bash
imp(api!): rename `IsBound` to `HasCapability` for IBC application modules
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

- [ ] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#pull-request-targeting)).
- [x] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [x] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
- [ ] Re-reviewed `Files changed` in the Github PR explorer.
- [ ] Review `Codecov Report` in the comment section below once CI passes.

* chore: add support for tendermint debug log level (#3279)

* build(deps): bump cosmossdk.io/math from 1.0.0-beta.6.0.20230216172121-959ce49135e4 to 1.0.0-rc.0 (#3285)

Bumps [cosmossdk.io/math](https://github.com/cosmos/cosmos-sdk) from 1.0.0-beta.6.0.20230216172121-959ce49135e4 to 1.0.0-rc.0.
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/cosmos/cosmos-sdk/commits/math/v1.0.0-rc.0">compare view</a></li>
</ul>
</details>
<br />


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Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

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</details>

* Write docker inspect output to diagnostics (#3291)

* chore: fix dead links (#3293)

## Description



closes: #XXXX


### Commit Message / Changelog Entry

```bash
type: commit message
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

- [x] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#pull-request-targeting)).
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
- [x] Re-reviewed `Files changed` in the Github PR explorer.
- [ ] Review `Codecov Report` in the comment section below once CI passes.

* build(deps): bump google.golang.org/protobuf from 1.29.0 to 1.29.1 (#3292)

* deps: bump SDK v0.47 (#3295)

Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: colin axnér <[email protected]>

* remove unnecessary import from doc

* chore: remove support for v3 (#3294)

* build(deps): bump actions/setup-go from 3 to 4 (#3307)

* imp: remove unnecessary defer func statements (#3304)

* Remove gogoproto yaml tags from proto files (#3290)

## Description
Refer from original issue, I removed all `yaml` tags in proto files.

closes: #3145 


### Commit Message / Changelog Entry

```bash
type: commit message
```

see the [guidelines](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) for commit messages. (view raw markdown for examples)




---

Before we can merge this PR, please make sure that all the following items have been
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write a little note why.

- [ ] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#pull-request-targeting)).
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md) and [Go style guide](../docs/dev/go-style-guide.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/main/testing/README.md#ibc-testing-package).
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Provide a [commit message](https://github.com/cosmos/ibc-go/blob/main/docs/dev/pull-requests.md#commit-messages) to be used for the changelog entry in the PR description for review.
- [ ] Re-reviewed `Files changed` in the Github PR explorer.
- [ ] Review `Codecov Report` in the comment section below once CI passes.

* add reasoning for migration to enable localhost

* Support configuration file for e2e tests (#3260)

* E2E fzf Test Selection Autocompletion (#3313)

* post v7 release chores (#3310)

* chore: fix linter warnings (#3311)

* ADR 008: IBC Actor Callbacks (#1976)

* context and decision

* complete adr

* Apply suggestions from code review

Co-authored-by: Carlos Rodriguez <[email protected]>

* change from caller to generalized actor

* Apply suggestions from code review

Co-authored-by: colin axnér <[email protected]>

* create folder and scaffolded middleware

* add error handling and generify packetdata interface

* complete renaming

* add user defined gas limit and clarify pseudocode

* Clarify CallbackPacketData interface

imp: Add ADR 008: IBC Actor Callbacks

---------

Co-authored-by: Carlos Rodriguez <[email protected]>
Co-authored-by: colin axnér <[email protected]>

* lint: fix spelling

* chore: apply self review concerns

* chore: rename CallbackPacketDataI to CallbackPacketData

* chore: finish applying remaining review suggestions

* test: add remaining unit tests for transfer and ica

* test: add unmarshaling test

* imp: address ADR 8 review suggestions (#3319)



---------

Co-authored-by: Damian Nolan <[email protected]>

* Bump interchain test (#3314)

* fix: remove codec registration

* fix: build + linting

* Only run e2e on R4R (#3330)

* fix fork workflows (#3328)

* Revert "Merge branch 'main' of github.com:cosmos/ibc-go into colin/callback-packet-data-impl"

This reverts commit 1c6164b, reversing
changes made to 6f25b8e.

* chore: add optional interface godoc

* Apply suggestions from code review

Co-authored-by: Carlos Rodriguez <[email protected]>

* chore: use backticks instead of escape characters in testing

---------

Co-authored-by: Lặc <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Cian Hatton <[email protected]>
Co-authored-by: Carlos Rodriguez <[email protected]>
Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: GNaD13 <[email protected]>
Co-authored-by: Hieu Vu <[email protected]>
Co-authored-by: Aditya <[email protected]>

* fix: merge conflicts

* chore: nits from self review

* imp: add UnmarshalPacketData interface function

* test: add tests for ica

* test: add remaining tests

---------

Co-authored-by: Aditya Sripal <[email protected]>
Co-authored-by: Carlos Rodriguez <[email protected]>
Co-authored-by: Lặc <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Cian Hatton <[email protected]>
Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: GNaD13 <[email protected]>
Co-authored-by: Hieu Vu <[email protected]>
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9 people authored Mar 29, 2023
1 parent 69b8971 commit 4d41bac
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Showing 13 changed files with 164 additions and 8 deletions.
17 changes: 16 additions & 1 deletion modules/apps/27-interchain-accounts/controller/ibc_middleware.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,10 @@ import (
ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
)

var _ porttypes.Middleware = &IBCMiddleware{}
var (
_ porttypes.Middleware = &IBCMiddleware{}
_ porttypes.PacketDataUnmarshaler = &IBCMiddleware{}
)

// IBCMiddleware implements the ICS26 callbacks for the fee middleware given the
// ICA controller keeper and the underlying application.
Expand Down Expand Up @@ -252,3 +255,15 @@ func (im IBCMiddleware) WriteAcknowledgement(
func (im IBCMiddleware) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
return im.keeper.GetAppVersion(ctx, portID, channelID)
}

// UnmarshalPacketData attempts to unmarshal the provided packet data bytes
// into an InterchainAccountPacketData. This function implements the optional
// PacketDataUnmarshaler interface required for ADR 008 support.
func (im IBCMiddleware) UnmarshalPacketData(bz []byte) (interface{}, error) {
var packetData icatypes.InterchainAccountPacketData
if err := icatypes.ModuleCdc.UnmarshalJSON(bz, &packetData); err != nil {
return nil, err
}

return packetData, nil
}
Original file line number Diff line number Diff line change
Expand Up @@ -917,3 +917,20 @@ func (suite *InterchainAccountsTestSuite) TestClosedChannelReopensWithMsgServer(
err = path.EndpointB.ChanOpenConfirm()
suite.Require().NoError(err)
}

func (suite *InterchainAccountsTestSuite) TestUnmarshalPacketData() {
expPacketData := icatypes.InterchainAccountPacketData{
Type: icatypes.EXECUTE_TX,
Data: []byte("data"),
Memo: `{"callbacks": {"src_callback_address": "testAddr"}}`,
}

packetData, err := controller.IBCMiddleware{}.UnmarshalPacketData(expPacketData.GetBytes())
suite.Require().NoError(err)
suite.Require().Equal(expPacketData, packetData)

invalidPacketData := []byte("invalid packet data")
packetData, err = controller.IBCMiddleware{}.UnmarshalPacketData(invalidPacketData)
suite.Require().Error(err)
suite.Require().Nil(packetData)
}
18 changes: 18 additions & 0 deletions modules/apps/27-interchain-accounts/host/ibc_module.go
Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,15 @@ import (
"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host/types"
icatypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/types"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
)

var (
_ porttypes.IBCModule = &IBCModule{}
_ porttypes.PacketDataUnmarshaler = &IBCModule{}
)

// IBCModule implements the ICS26 interface for interchain accounts host chains
type IBCModule struct {
keeper keeper.Keeper
Expand Down Expand Up @@ -148,3 +154,15 @@ func (im IBCModule) OnTimeoutPacket(
) error {
return errorsmod.Wrap(icatypes.ErrInvalidChannelFlow, "cannot cause a packet timeout on a host channel end, a host chain does not send a packet over the channel")
}

// UnmarshalPacketData attempts to unmarshal the provided packet data bytes
// into an InterchainAccountPacketData. This function implements the optional
// PacketDataUnmarshaler interface required for ADR 008 support.
func (im IBCModule) UnmarshalPacketData(bz []byte) (interface{}, error) {
var packetData icatypes.InterchainAccountPacketData
if err := icatypes.ModuleCdc.UnmarshalJSON(bz, &packetData); err != nil {
return nil, err
}

return packetData, nil
}
18 changes: 18 additions & 0 deletions modules/apps/27-interchain-accounts/host/ibc_module_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
"github.com/cosmos/gogoproto/proto"
"github.com/stretchr/testify/suite"

icahost "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host"
"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host/types"
icatypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/types"
feetypes "github.com/cosmos/ibc-go/v7/modules/apps/29-fee/types"
Expand Down Expand Up @@ -705,6 +706,23 @@ func (suite *InterchainAccountsTestSuite) TestControlAccountAfterChannelClose()
suite.assertBalance(icaAddr, expBalAfterSecondSend)
}

func (suite *InterchainAccountsTestSuite) TestUnmarshalPacketData() {
expPacketData := icatypes.InterchainAccountPacketData{
Type: icatypes.EXECUTE_TX,
Data: []byte("data"),
Memo: `{"callbacks": {"src_callback_address": "testAddr"}}`,
}

packetData, err := icahost.IBCModule{}.UnmarshalPacketData(expPacketData.GetBytes())
suite.Require().NoError(err)
suite.Require().Equal(expPacketData, packetData)

invalidPacketData := []byte("invalid packet data")
packetData, err = icahost.IBCModule{}.UnmarshalPacketData(invalidPacketData)
suite.Require().Error(err)
suite.Require().Nil(packetData)
}

// assertBalance asserts that the provided address has exactly the expected balance.
// CONTRACT: the expected balance must only contain one coin denom.
func (suite *InterchainAccountsTestSuite) assertBalance(addr sdk.AccAddress, expBalance sdk.Coins) {
Expand Down
4 changes: 0 additions & 4 deletions modules/apps/27-interchain-accounts/module.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,21 +19,17 @@ import (
controllerkeeper "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/controller/keeper"
controllertypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/controller/types"
genesistypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/genesis/types"
"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host"
hostkeeper "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host/keeper"
hosttypes "github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/host/types"
"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/simulation"
"github.com/cosmos/ibc-go/v7/modules/apps/27-interchain-accounts/types"
porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
ibchost "github.com/cosmos/ibc-go/v7/modules/core/24-host"
)

var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}

_ porttypes.IBCModule = host.IBCModule{}
)

// AppModuleBasic is the IBC interchain accounts AppModuleBasic
Expand Down
17 changes: 16 additions & 1 deletion modules/apps/29-fee/ibc_middleware.go
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,10 @@ import (
"github.com/cosmos/ibc-go/v7/modules/core/exported"
)

var _ porttypes.Middleware = &IBCMiddleware{}
var (
_ porttypes.Middleware = &IBCMiddleware{}
_ porttypes.PacketDataUnmarshaler = &IBCMiddleware{}
)

// IBCMiddleware implements the ICS26 callbacks for the fee middleware given the
// fee keeper and the underlying application.
Expand Down Expand Up @@ -347,3 +350,15 @@ func (im IBCMiddleware) WriteAcknowledgement(
func (im IBCMiddleware) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
return im.keeper.GetAppVersion(ctx, portID, channelID)
}

// UnmarshalPacketData attempts to use the underlying app to unmarshal the packet data.
// If the underlying app does not support the PacketDataUnmarshaler interface, an error is returned.
// This function implements the optional PacketDataUnmarshaler interface required for ADR 008 support.
func (im IBCMiddleware) UnmarshalPacketData(bz []byte) (interface{}, error) {
unmarshaler, ok := im.app.(porttypes.PacketDataUnmarshaler)
if !ok {
return nil, errorsmod.Wrapf(types.ErrUnsupportedAction, "underlying app does not implement PacketDataUnmarshaler")
}

return unmarshaler.UnmarshalPacketData(bz)
}
14 changes: 14 additions & 0 deletions modules/apps/29-fee/ibc_middleware_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -1078,3 +1078,17 @@ func (suite *FeeTestSuite) TestGetAppVersion() {
})
}
}

func (suite *FeeTestSuite) TestUnmarshalPacketData() {
module, _, err := suite.chainA.App.GetIBCKeeper().PortKeeper.LookupModuleByPort(suite.chainA.GetContext(), ibctesting.MockFeePort)
suite.Require().NoError(err)

cbs, ok := suite.chainA.App.GetIBCKeeper().Router.GetRoute(module)
suite.Require().True(ok)

feeModule := cbs.(fee.IBCMiddleware)

packetData, err := feeModule.UnmarshalPacketData(ibcmock.MockPacketData)
suite.Require().NoError(err)
suite.Require().Equal(ibcmock.MockPacketData, packetData)
}
1 change: 1 addition & 0 deletions modules/apps/29-fee/types/errors.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,4 +16,5 @@ var (
ErrFeeNotEnabled = errorsmod.Register(ModuleName, 9, "fee module is not enabled for this channel. If this error occurs after channel setup, fee module may not be enabled")
ErrRelayerNotFoundForAsyncAck = errorsmod.Register(ModuleName, 10, "relayer address must be stored for async WriteAcknowledgement")
ErrFeeModuleLocked = errorsmod.Register(ModuleName, 11, "the fee module is currently locked, a severe bug has been detected")
ErrUnsupportedAction = errorsmod.Register(ModuleName, 12, "unsupported action")
)
17 changes: 17 additions & 0 deletions modules/apps/transfer/ibc_module.go
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@ import (
ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
)

var (
_ porttypes.IBCModule = IBCModule{}
_ porttypes.PacketDataUnmarshaler = IBCModule{}
)

// IBCModule implements the ICS26 interface for transfer given the transfer keeper.
type IBCModule struct {
keeper keeper.Keeper
Expand Down Expand Up @@ -300,3 +305,15 @@ func (im IBCModule) OnTimeoutPacket(

return nil
}

// UnmarshalPacketData attempts to unmarshal the provided packet data bytes
// into a FungibleTokenPacketData. This function implements the optional
// PacketDataUnmarshaler interface required for ADR 008 support.
func (im IBCModule) UnmarshalPacketData(bz []byte) (interface{}, error) {
var packetData types.FungibleTokenPacketData
if err := types.ModuleCdc.UnmarshalJSON(bz, &packetData); err != nil {
return nil, err
}

return packetData, nil
}
35 changes: 35 additions & 0 deletions modules/apps/transfer/ibc_module_test.go
Original file line number Diff line number Diff line change
@@ -1,14 +1,18 @@
package transfer_test

import (
"fmt"
"math"

"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
sdk "github.com/cosmos/cosmos-sdk/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"

"github.com/cosmos/ibc-go/v7/modules/apps/transfer"
"github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
host "github.com/cosmos/ibc-go/v7/modules/core/24-host"
ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
ibctesting "github.com/cosmos/ibc-go/v7/testing"
)

Expand Down Expand Up @@ -239,3 +243,34 @@ func (suite *TransferTestSuite) TestOnChanOpenAck() {
})
}
}

func (suite *TransferTestSuite) TestUnmarshalPacketData() {
var (
sender = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address()).String()
receiver = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address()).String()
denom = "transfer/channel-0/atom"
amount = "100"
)

expPacketData := types.FungibleTokenPacketData{
Denom: denom,
Amount: amount,
Sender: sender,
Receiver: receiver,
Memo: fmt.Sprintf(`{"callbacks": {"src_callback_address": "%s", "dest_callback_address": "%s"}}`, sender, receiver),
}

packetData, err := transfer.IBCModule{}.UnmarshalPacketData(expPacketData.GetBytes())
suite.Require().NoError(err)
suite.Require().Equal(expPacketData, packetData)

callbackPacketData, ok := packetData.(ibcexported.CallbackPacketData)
suite.Require().True(ok)
suite.Require().Equal(sender, callbackPacketData.GetSourceCallbackAddress(), "incorrect source callback address")
suite.Require().Equal(receiver, callbackPacketData.GetDestCallbackAddress(), "incorrect destination callback address")

invalidPacketData := []byte("invalid packet data")
packetData, err = transfer.IBCModule{}.UnmarshalPacketData(invalidPacketData)
suite.Require().Error(err)
suite.Require().Nil(packetData)
}
2 changes: 0 additions & 2 deletions modules/apps/transfer/module.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,11 @@ import (
"github.com/cosmos/ibc-go/v7/modules/apps/transfer/keeper"
"github.com/cosmos/ibc-go/v7/modules/apps/transfer/simulation"
"github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
)

var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ porttypes.IBCModule = IBCModule{}
)

// AppModuleBasic is the IBC Transfer AppModuleBasic
Expand Down
6 changes: 6 additions & 0 deletions modules/core/05-port/types/module.go
Original file line number Diff line number Diff line change
Expand Up @@ -138,3 +138,9 @@ type Middleware interface {
IBCModule
ICS4Wrapper
}

// PacketDataUnmarshaler defines an optional interface which allows a middleware to
// request the packet data to be unmarshaled by the base application.
type PacketDataUnmarshaler interface {
UnmarshalPacketData([]byte) (interface{}, error)
}
6 changes: 6 additions & 0 deletions testing/mock/ibc_module.go
Original file line number Diff line number Diff line change
Expand Up @@ -162,6 +162,12 @@ func (im IBCModule) OnTimeoutPacket(ctx sdk.Context, packet channeltypes.Packet,
return nil
}

// UnmarshalPacketData returns the MockPacketData. This function implements the optional
// PacketDataUnmarshaler interface required for ADR 008 support.
func (im IBCModule) UnmarshalPacketData(bz []byte) (interface{}, error) {
return MockPacketData, nil
}

// GetMockRecvCanaryCapabilityName generates a capability name for testing OnRecvPacket functionality.
func GetMockRecvCanaryCapabilityName(packet channeltypes.Packet) string {
return fmt.Sprintf("%s%s%s%s", MockRecvCanaryCapabilityName, packet.GetDestPort(), packet.GetDestChannel(), strconv.Itoa(int(packet.GetSequence())))
Expand Down

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