laconicd/server/rpc/rpc.go
2018-08-21 00:12:48 -07:00

34 lines
913 B
Go

package rpc
import (
"context"
"fmt"
"github.com/ethereum/go-ethereum/rpc"
)
// StartHTTPEndpoint starts the Tendermint Web3-compatible RPC layer. Consumes a Context for cancellation, a config
// struct, and a list of rpc.API interfaces that will be automatically wired into a JSON-RPC webserver.
func StartHTTPEndpoint(ctx context.Context, config *Config, apis []rpc.API) (*rpc.Server, error) {
uniqModules := make(map[string]string)
for _, api := range apis {
uniqModules[api.Namespace] = api.Namespace
}
modules := make([]string, len(uniqModules))
i := 0
for k := range uniqModules {
modules[i] = k
i++
}
endpoint := fmt.Sprintf("%s:%d", config.RPCAddr, config.RPCPort)
_, server, err := rpc.StartHTTPEndpoint(endpoint, apis, modules, config.RPCCORSDomains, config.RPCVHosts)
go func() {
<-ctx.Done()
fmt.Println("Shutting down server.")
server.Stop()
}()
return server, err
}