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julienrbrt committed Sep 11, 2024
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4 changes: 4 additions & 0 deletions changelog.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
- [#4111](https://github.com/ignite/cli/pull/4111) Remove vuex generation
- [#4113](https://github.com/ignite/cli/pull/4113) Generate chain config documentation automatically
- [#4131](https://github.com/ignite/cli/pull/4131) Support `bytes` as data type in the `scaffold` commands
- [#4297](https://github.com/ignite/cli/pull/4297) Add in-place testnet creation command for apps.
- [#4300](https://github.com/ignite/cli/pull/4300) Only panics the module in the most top function level
- [#4327](https://github.com/ignite/cli/pull/4327) Use the TxConfig from simState instead create a new one
- [#4326](https://github.com/ignite/cli/pull/4326) Add `buf.build` version to `ignite version` command
Expand Down Expand Up @@ -43,6 +44,8 @@
- [#4322](https://github.com/ignite/cli/pull/4322) Create a message for authenticate buf for generate ts-client
- [#4319](https://github.com/ignite/cli/pull/4319) Remove fee abstraction module from open api code generation
- [#4317](https://github.com/ignite/cli/pull/4317) Remove xchisel dependency
- [#4341](https://github.com/ignite/cli/pull/4341) Bump `ibc-go` to `8.5.0`
- [#4345](https://github.com/ignite/cli/pull/4345) Added survey link

### Fixes

Expand All @@ -51,6 +54,7 @@
- [#4128](https://github.com/ignite/cli/pull/4128) Check for duplicate proto fields in config
- [#4309](https://github.com/ignite/cli/pull/4309) Fix chain id for chain simulations
- [#4323](https://github.com/ignite/cli/pull/4323) Add missing `--config` handling in the `chain` commands
- [#4350](https://github.com/ignite/cli/pull/4350) Skip upgrade prefix for sim tests

## [`v28.5.1`](https://github.com/ignite/cli/releases/tag/v28.5.1)

Expand Down
211 changes: 87 additions & 124 deletions docs/docs/02-guide/04-ibc.md
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Original file line number Diff line number Diff line change
Expand Up @@ -110,21 +110,21 @@ transactions:

- Creating blog posts

```bash
ignite scaffold list post title content creator --no-message --module blog
```
```bash
ignite scaffold list post title content creator --no-message --module blog
```

- Processing acknowledgments for sent posts

```bash
ignite scaffold list sentPost postID title chain creator --no-message --module blog
```
```bash
ignite scaffold list sentPost postID:uint title chain creator --no-message --module blog
```

- Managing post timeouts

```bash
ignite scaffold list timedoutPost title chain creator --no-message --module blog
```
```bash
ignite scaffold list timeoutPost title chain creator --no-message --module blog
```

The scaffolded code includes proto files for defining data structures, messages,
messages handlers, keepers for modifying the state, and CLI commands.
Expand All @@ -137,7 +137,7 @@ ignite scaffold list [typeName] [field1] [field2] ... [flags]

The first argument of the `ignite scaffold list [typeName]` command specifies
the name of the type being created. For the blog app, you created `post`,
`sentPost`, and `timedoutPost` types.
`sentPost`, and `timeoutPost` types.

The next arguments define the fields that are associated with the type. For the
blog app, you created `title`, `content`, `postID`, and `chain` fields.
Expand Down Expand Up @@ -168,7 +168,7 @@ to another blockchain.
To scaffold a sendable and interpretable IBC packet:

```bash
ignite scaffold packet ibcPost title content --ack postID --module blog
ignite scaffold packet ibcPost title content --ack postID:uint --module blog
```

Notice the fields in the `ibcPost` packet match the fields in the `post` type
Expand Down Expand Up @@ -222,13 +222,23 @@ the `msg.Creator` value to the IBC `packet`.
```go title="x/blog/keeper/msg_server_ibc_post.go"
package keeper

import (
// ...
"planet/x/blog/types"
)

func (k msgServer) SendIbcPost(goCtx context.Context, msg *types.MsgSendIbcPost) (*types.MsgSendIbcPostResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// validate incoming message
if _, err := k.addressCodec.StringToBytes(msg.Creator); err != nil {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidAddress, fmt.Sprintf("invalid address: %s", err))
}

if msg.Port == "" {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "invalid packet port")
}

if msg.ChannelID == "" {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "invalid packet channel")
}

if msg.TimeoutTimestamp == 0 {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "invalid packet timeout")
}

// TODO: logic before transmitting the packet

Expand All @@ -241,6 +251,7 @@ func (k msgServer) SendIbcPost(goCtx context.Context, msg *types.MsgSendIbcPost)
packet.Creator = msg.Creator

// Transmit the packet
ctx := sdk.UnwrapSDKContext(goCtx)
_, err := k.TransmitIbcPostPacket(
ctx,
packet,
Expand Down Expand Up @@ -298,44 +309,17 @@ Append the type instance as `PostId` on receiving the packet:
- The `title` is the Title of the blog post
- The `content` is the Content of the blog post

In the `x/blog/keeper/ibc_post.go` file, make sure to import `"strconv"` below
`"errors"`:

```go title="x/blog/keeper/ibc_post.go"
import (
//...

"strconv"

// ...
)
```

Then modify the `OnRecvIbcPostPacket` keeper function with the following code:

```go
```go title="x/blog/keeper/ibc_post.go"
package keeper

// ...

func (k Keeper) OnRecvIbcPostPacket(ctx sdk.Context, packet channeltypes.Packet, data types.IbcPostPacketData) (packetAck types.IbcPostPacketAck, err error) {
// validate packet data upon receiving
if err := data.ValidateBasic(); err != nil {
packetAck.PostId, err = k.PostSeq.Next(ctx)
if err != nil {
return packetAck, err
}

id := k.AppendPost(
ctx,
types.Post{
Creator: packet.SourcePort + "-" + packet.SourceChannel + "-" + data.Creator,
Title: data.Title,
Content: data.Content,
},
)

packetAck.PostId = strconv.FormatUint(id, 10)

return packetAck, nil
return packetAck, k.Post.Set(ctx, packetAck.PostId, types.Post{Title: data.Title, Content: data.Content})
}
```

Expand All @@ -354,9 +338,6 @@ from the packet.
```go title="x/blog/keeper/ibc_post.go"
package keeper

// ...

// x/blog/keeper/ibc_post.go
func (k Keeper) OnAcknowledgementIbcPostPacket(ctx sdk.Context, packet channeltypes.Packet, data types.IbcPostPacketData, ack channeltypes.Acknowledgement) error {
switch dispatchedAck := ack.Response.(type) {
case *channeltypes.Acknowledgement_Error:
Expand All @@ -365,23 +346,23 @@ func (k Keeper) OnAcknowledgementIbcPostPacket(ctx sdk.Context, packet channelty
case *channeltypes.Acknowledgement_Result:
// Decode the packet acknowledgment
var packetAck types.IbcPostPacketAck

if err := types.ModuleCdc.UnmarshalJSON(dispatchedAck.Result, &packetAck); err != nil {
// The counter-party module doesn't implement the correct acknowledgment format
return errors.New("cannot unmarshal acknowledgment")
}

k.AppendSentPost(
ctx,
seq, err := k.SentPostSeq.Next(ctx)
if err != nil {
return err
}

return k.SentPost.Set(ctx, seq,
types.SentPost{
Creator: data.Creator,
PostId: packetAck.PostId,
Title: data.Title,
Chain: packet.DestinationPort + "-" + packet.DestinationChannel,
PostId: packetAck.PostId,
Title: data.Title,
Chain: packet.DestinationPort + "-" + packet.DestinationChannel,
},
)

return nil
default:
return errors.New("the counter-party module does not implement the correct acknowledgment format")
}
Expand All @@ -390,23 +371,23 @@ func (k Keeper) OnAcknowledgementIbcPostPacket(ctx sdk.Context, packet channelty

### Store information about the timed-out packet

Store posts that have not been received by target chains in `timedoutPost`
Store posts that have not been received by target chains in `timeoutPost`
posts. This logic follows the same format as `sentPost`.

```go title="x/blog/keeper/ibc_post.go"
func (k Keeper) OnTimeoutIbcPostPacket(ctx sdk.Context, packet channeltypes.Packet, data types.IbcPostPacketData) error {
k.AppendTimedoutPost(
ctx,
types.TimedoutPost{
Creator: data.Creator,
Title: data.Title,
Chain: packet.DestinationPort + "-" + packet.DestinationChannel,
seq, err := k.TimeoutPostSeq.Next(ctx)
if err != nil {
return err
}

return k.TimeoutPost.Set(ctx, seq,
types.TimeoutPost{
Title: data.Title,
Chain: packet.DestinationPort + "-" + packet.DestinationChannel,
},
)

return nil
}

```

This last step completes the basic `blog` module setup. The blockchain is now
Expand Down Expand Up @@ -526,70 +507,52 @@ found` and no action is taken.

### Configure and start the relayer

First, configure the relayer. Use the Ignite CLI `configure` command with the
`--advanced` option:
First, add the Hermes relayer app.

```bash
ignite relayer configure -a \
--source-rpc "http://0.0.0.0:26657" \
--source-faucet "http://0.0.0.0:4500" \
--source-port "blog" \
--source-version "blog-1" \
--source-gasprice "0.0000025stake" \
--source-prefix "cosmos" \
--source-gaslimit 300000 \
--target-rpc "http://0.0.0.0:26659" \
--target-faucet "http://0.0.0.0:4501" \
--target-port "blog" \
--target-version "blog-1" \
--target-gasprice "0.0000025stake" \
--target-prefix "cosmos" \
--target-gaslimit 300000
```

When prompted, press Enter to accept the default values for `Source Account` and
`Target Account`.

The output looks like:

ignite app install -g github.com/ignite/apps/hermes
```
---------------------------------------------
Setting up chains
---------------------------------------------

🔐 Account on "source" is "cosmos1xcxgzq75yrxzd0tu2kwmwajv7j550dkj7m00za"
|· received coins from a faucet
|· (balance: 100000stake,5token)
🔐 Account on "target" is "cosmos1nxg8e4mfp5v7sea6ez23a65rvy0j59kayqr8cx"
|· received coins from a faucet
|· (balance: 100000stake,5token)
⛓ Configured chains: earth-mars
```

In a new terminal window, start the relayer process:
and after configure the relayer.

```bash
ignite relayer connect
ignite relayer hermes configure \
"earth" "http://localhost:26657" "http://localhost:9090" \
"mars" "http://localhost:26659" "http://localhost:9092" \
--chain-a-faucet "http://0.0.0.0:4500" \
--chain-b-faucet "http://0.0.0.0:4501" \
--chain-a-port-id "blog" \
--chain-b-port-id "blog" \
--channel-version "blog-1"
```

Results:
When prompted, press Enter to accept the default values for `Chain A Account` and
`Chain B Account`.

The output looks like:

```
Hermes config created at /Users/danilopantani/.ignite/relayer/hermes/earth_mars
? Chain earth doesn't have a default Hermes key. Type your mnemonic to continue or type enter to generate a new one: (optional)
New mnemonic generated: danger plate flavor twist chimney myself sketch assist copy expand core tattoo ignore ensure quote mean forum carbon enroll gadget immense grab early maze
Chain earth key created
Chain earth relayer wallet: cosmos1jk6wmyl880j6t9vw6umy9v8ex0yhrfwgx0vv2d
New balance from faucet: 100000stake,5token
? Chain mars doesn't have a default Hermes key. Type your mnemonic to continue or type enter to generate a new one: (optional)
New mnemonic generated: invest box icon session lens demise purse link boss dwarf give minimum jazz eye vocal seven sunset coach express want ask version anger ranch
Chain mars key created
Chain mars relayer wallet: cosmos1x9kt37c0sutanaqwy9gxpvq5990yt0qnpqntmp
New balance from faucet: 100000stake,5token
Client '07-tendermint-0' created (earth -> mars)
Client 07-tendermint-0' created (mars -> earth)
Connection 'earth (connection-0) <-> mars (connection-0)' created
Channel 'earth (channel-0) <-> mars (channel-0)' created
```
------
Paths
------

earth-mars:
earth > (port: blog) (channel: channel-0)
mars > (port: blog) (channel: channel-0)
Now start the relayer:

------
Listening and relaying packets between chains...
------
```bash
ignite relayer hermes start "earth" "mars"
```

### Send packets
Expand Down Expand Up @@ -649,13 +612,13 @@ planetd tx blog send-ibc-post blog channel-0 "Sorry" "Sorry Mars, you will never
Check the timed-out posts:

```bash
planetd q blog list-timedout-post
planetd q blog list-timeout-post
```

Results:

```yaml
TimedoutPost:
TimeoutPost:
- chain: blog-channel-0
creator: cosmos1fhpcsxn0g8uask73xpcgwxlfxtuunn3ey5ptjv
id: "0"
Expand Down
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