cosmos-sdk/store/streaming/abci/interface.go

46 lines
1.3 KiB
Go

// Package abci contains shared data between the host and plugins.
package abci
import (
"context"
"github.com/hashicorp/go-plugin"
"google.golang.org/grpc"
storetypes "cosmossdk.io/store/types"
)
// Handshake is a common handshake that is shared by streaming and host.
// This prevents users from executing bad plugins or executing a plugin
// directory. It is a UX feature, not a security feature.
var Handshake = plugin.HandshakeConfig{
// This isn't required when using VersionedPlugins
ProtocolVersion: 1,
MagicCookieKey: "ABCI_LISTENER_PLUGIN",
MagicCookieValue: "ef78114d-7bdf-411c-868f-347c99a78345",
}
var _ plugin.GRPCPlugin = (*ListenerGRPCPlugin)(nil)
// ListenerGRPCPlugin is the implementation of plugin.GRPCPlugin, so we can serve/consume this.
type ListenerGRPCPlugin struct {
// GRPCPlugin must still implement the Plugin interface
plugin.Plugin
// Concrete implementation, written in Go. This is only used for plugins
// that are written in Go.
Impl storetypes.ABCIListener
}
func (p *ListenerGRPCPlugin) GRPCServer(_ *plugin.GRPCBroker, s *grpc.Server) error {
RegisterABCIListenerServiceServer(s, &GRPCServer{Impl: p.Impl})
return nil
}
func (p *ListenerGRPCPlugin) GRPCClient(
_ context.Context,
_ *plugin.GRPCBroker,
c *grpc.ClientConn,
) (interface{}, error) {
return &GRPCClient{client: NewABCIListenerServiceClient(c)}, nil
}