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refactor(server/v2/cometbft): Handle non-module service queries #22803

Merged
merged 17 commits into from
Dec 11, 2024
75 changes: 73 additions & 2 deletions server/v2/cometbft/abci.go
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@ import (
"cosmossdk.io/store/v2/snapshots"
consensustypes "cosmossdk.io/x/consensus/types"

addresscodec "cosmossdk.io/core/address"
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rpchttp "github.com/cometbft/cometbft/rpc/client/http"
"github.com/cosmos/cosmos-sdk/client/grpc/cmtservice"
"github.com/cosmos/cosmos-sdk/codec"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
Expand Down Expand Up @@ -86,8 +89,9 @@ type consensus[T transaction.Tx] struct {
addrPeerFilter types.PeerFilter // filter peers by address and port
idPeerFilter types.PeerFilter // filter peers by node ID

queryHandlersMap map[string]appmodulev2.Handler
getProtoRegistry func() (*protoregistry.Files, error)
queryHandlersMap map[string]appmodulev2.Handler
getProtoRegistry func() (*protoregistry.Files, error)
consensusAddressCodec addresscodec.Codec
}

// CheckTx implements types.Application.
Expand Down Expand Up @@ -184,6 +188,15 @@ func (c *consensus[T]) Query(ctx context.Context, req *abciproto.QueryRequest) (
return resp, err
}

// when a client did not provide a query height, manually inject the latest
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if req.Height == 0 {
lastestVersion, err := c.store.GetLatestVersion()
if err != nil {
return nil, err
}
req.Height = int64(lastestVersion)
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}

// this error most probably means that we can't handle it with a proto message, so
// it must be an app/p2p/store query
path := splitABCIQueryPath(req.Path)
Expand Down Expand Up @@ -238,6 +251,40 @@ func (c *consensus[T]) maybeRunGRPCQuery(ctx context.Context, req *abci.QueryReq
handlerFullName = string(md.Input().FullName())
}

// Handle comet service
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if strings.Contains(req.Path, "/cosmos.base.tendermint.v1beta1.Service") {
rpcClient, _ := rpchttp.New(c.cfg.AppTomlConfig.Address)
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cometQServer := cmtservice.NewQueryServer(rpcClient, c.Query, c.consensusAddressCodec)
paths := strings.Split(req.Path, "/")

var resp transaction.Msg
var err error
switch paths[2] {
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case "GetNodeInfo":
resp, err = handleCometService(ctx, req, cometQServer.GetNodeInfo)
case "GetSyncing":
resp, err = handleCometService(ctx, req, cometQServer.GetSyncing)
case "GetLatestBlock":
resp, err = handleCometService(ctx, req, cometQServer.GetLatestBlock)
case "GetBlockByHeight":
resp, err = handleCometService(ctx, req, cometQServer.GetBlockByHeight)
case "GetLatestValidatorSet":
resp, err = handleCometService(ctx, req, cometQServer.GetLatestValidatorSet)
case "GetValidatorSetByHeight":
resp, err = handleCometService(ctx, req, cometQServer.GetValidatorSetByHeight)
case "ABCIQuery":
resp, err = handleCometService(ctx, req, cometQServer.ABCIQuery)
}

if err != nil {
return nil, true, err
}

res, err := queryResponse(resp, req.Height)
return res, true, err

}

// special case for simulation as it is an external gRPC registered on the grpc server component
// and not on the app itself, so it won't pass the router afterwards.
if req.Path == "/cosmos.tx.v1beta1.Service/Simulate" {
Expand Down Expand Up @@ -303,6 +350,30 @@ func (c *consensus[T]) maybeRunGRPCQuery(ctx context.Context, req *abci.QueryReq
return resp, true, err
}

func handleCometService[T any, PT interface {
*T
gogoproto.Message
},
U any, UT interface {
*U
gogoproto.Message
}](
ctx context.Context,
rawReq *abciproto.QueryRequest,
handler func(ctx context.Context, msg PT) (UT, error),
) (transaction.Msg, error) {
req := PT(new(T))
err := gogoproto.Unmarshal(rawReq.Data, req)
if err != nil {
return nil, err
}
typedResp, err := handler(ctx, req)
if err != nil {
return nil, err
}
return typedResp, nil
}

// InitChain implements types.Application.
func (c *consensus[T]) InitChain(ctx context.Context, req *abciproto.InitChainRequest) (*abciproto.InitChainResponse, error) {
c.logger.Info("InitChain", "initialHeight", req.InitialHeight, "chainID", req.ChainId)
Expand Down
2 changes: 2 additions & 0 deletions server/v2/cometbft/server.go
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ import (
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
addresscodec "cosmossdk.io/core/address"
)

const ServerName = "comet"
Expand All @@ -66,6 +67,7 @@ type CometBFTServer[T transaction.Tx] struct {
}

func New[T transaction.Tx](
consensusAddressCodec addresscodec.Codec,
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logger log.Logger,
appName string,
store types.Store,
Expand Down
1 change: 1 addition & 0 deletions simapp/v2/simdv2/cmd/commands.go
Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,7 @@ func InitRootCmd[T transaction.Tx](
// consensus component
if deps.ConsensusServer == nil {
deps.ConsensusServer, err = cometbft.New(
deps.ClientContext.ConsensusAddressCodec,
logger,
simApp.Name(),
simApp.Store(),
Expand Down
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