laconicd-deprecated/rpc/config.go
David Ansermino 284c2a0333
Enable RPC Server (#75)
- Introduces rpc command to cli (rest-server)
- Moves server/rpc to rpc/
- Enables module selection (eg. "web3" or "eth" or "web3,eth"), however there is no CLI flag to configure these (See #74)
- Adds CLI context to eth API
2019-07-15 10:13:59 -04:00

61 lines
1.8 KiB
Go

package rpc
import (
"github.com/cosmos/cosmos-sdk/client/lcd"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/ethereum/go-ethereum/rpc"
"github.com/spf13/cobra"
"log"
)
// defaultModules returns all available modules
func defaultModules() []string {
return []string{"web3", "eth"}
}
// Config contains configuration fields that determine the behavior of the RPC HTTP server.
// TODO: These may become irrelevant if HTTP config is handled by the SDK
type Config struct {
// EnableRPC defines whether or not to enable the RPC server
EnableRPC bool
// RPCAddr defines the IP address to listen on
RPCAddr string
// RPCPort defines the port to listen on
RPCPort int
// RPCCORSDomains defines list of domains to enable CORS headers for (used by browsers)
RPCCORSDomains []string
// RPCVhosts defines list of domains to listen on (useful if Tendermint is addressable via DNS)
RPCVHosts []string
}
// Web3RpcCmd creates a CLI command to start RPC server
func Web3RpcCmd(cdc *codec.Codec) *cobra.Command {
return lcd.ServeCommand(cdc, registerRoutes)
}
// registerRoutes creates a new server and registers the `/rpc` endpoint.
// Rpc calls are enabled based on their associated module (eg. "eth").
func registerRoutes(rs *lcd.RestServer) {
s := rpc.NewServer()
apis := GetRPCAPIs(rs.CliCtx)
// TODO: Allow cli to configure modules https://github.com/ChainSafe/ethermint/issues/74
modules := defaultModules()
whitelist := make(map[string]bool)
for _, module := range modules {
whitelist[module] = true
}
// Register all the APIs exposed by the services
for _, api := range apis {
if whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
if err := s.RegisterName(api.Namespace, api.Service); err != nil {
log.Println(err)
return
}
}
}
rs.Mux.HandleFunc("/rpc", s.ServeHTTP).Methods("POST")
}