Currently Atomkraft is having implemented GRPC broadcasting only for Cosmos SDK module

Cosmos GRPC <a href="https://docs.cosmos.network/main/run-node/interact-node#grpcurl"

Support for custom modules in Atomkraft about atomkraft HOT 1 OPEN

dalmirel commented on July 17, 2024 1

Support for custom modules in Atomkraft

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Comments (1)

rnbguy commented on July 17, 2024 1

Cosmos GRPC supports reflections. One can leverage it to load proto files from live GRPC endpoints without access to source protobufs.

The following examples uses grpculrl on CLI. We need to find a library to do the same programmatically during Atomkraft runtime.

Describing a query

$ grpcurl -plaintext <GRPC_IP:PORT> describe cosmos.staking.v1beta1.Query.Validator
cosmos.staking.v1beta1.Query.Validator is a method:
rpc Validator ( .cosmos.staking.v1beta1.QueryValidatorRequest ) returns ( .cosmos.staking.v1beta1.QueryValidatorResponse ) {
  option (.google.api.http) = { get:"/cosmos/staking/v1beta1/validators/{validator_addr}"  };
}

Performing the query

$ grpcurl -plaintext -d '{"validator_addr": "cosmosvaloper16k579jk6yt2cwmqx9dz5xvq9fug2tekvlu9qdv"}' <GRPC_IP:PORT> cosmos.staking.v1beta1.Query.Validator
{
  "validator": {
    "operatorAddress": "cosmosvaloper16k579jk6yt2cwmqx9dz5xvq9fug2tekvlu9qdv",
    "consensusPubkey": {"@type":"/cosmos.crypto.ed25519.PubKey","key":"pTcg/QVBC+LzpR0BuynDpMkNh4tajyeKCOtmWMfkvFU="},
    "status": "BOND_STATUS_BONDED",
    "tokens": "3217496887306",
    "delegatorShares": "3217818666723387338143077808531",
    "description": {
      "moniker": "Informal Systems",
...

The type_urls and proto files for Msg types can be retrieved from cosmos.base.reflection.v1beta1.ReflectionService and cosmos.base.reflection.v2alpha1.ReflectionService.

Listing all tx msg types

$ grpcurl -plaintext <GRPC_IP:PORT> cosmos.base.reflection.v2alpha1.ReflectionService.GetTxDescriptor
{
  "tx": {
    "fullname": "cosmos.tx.v1beta1.Tx",
    "msgs": [
      {
        "msgTypeUrl": "/ibc.core.channel.v1.MsgChannelOpenInit"
      },
      {
        "msgTypeUrl": "/ibc.core.channel.v1.MsgChannelCloseConfirm"
...

Describing a tx msg type

$ grpcurl -plaintext <GRPC_IP:PORT> describe ibc.core.channel.v1.MsgChannelOpenInit
ibc.core.channel.v1.MsgChannelOpenInit is a message:
message MsgChannelOpenInit {
  option (.gogoproto.equal) = false;
  option (.gogoproto.goproto_getters) = false;
  string port_id = 1 [(.gogoproto.moretags) = "yaml:\port_id\"];
  .ibc.core.channel.v1.Channel channel = 2 [(.gogoproto.nullable) = false];
  string signer = 3;
}

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