/
api.go
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/
api.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package node
import (
"strings"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ten-protocol/go-ten/lib/gethfork/rpc"
)
// apis returns the collection of built-in RPC APIs.
func (n *Node) apis() []rpc.API {
return []rpc.API{
{
Namespace: "admin",
Service: &adminAPI{n},
//}, {
// Namespace: "debug",
// Service: debug.Handler,
}, {
Namespace: "web3",
Service: &web3API{n},
},
}
}
// adminAPI is the collection of administrative API methods exposed over
// both secure and unsecure RPC channels.
type adminAPI struct {
node *Node // Node interfaced by this API
}
// StartHTTP starts the HTTP RPC API server.
func (api *adminAPI) StartHTTP(host *string, port *int, cors *string, apis *string, vhosts *string) (bool, error) {
api.node.lock.Lock()
defer api.node.lock.Unlock()
// Determine host and port.
if host == nil {
h := DefaultHTTPHost
if api.node.config.HTTPHost != "" {
h = api.node.config.HTTPHost
}
host = &h
}
if port == nil {
port = &api.node.config.HTTPPort
}
// Determine config.
config := httpConfig{
CorsAllowedOrigins: api.node.config.HTTPCors,
Vhosts: api.node.config.HTTPVirtualHosts,
Modules: api.node.config.HTTPModules,
rpcEndpointConfig: rpcEndpointConfig{
batchItemLimit: api.node.config.BatchRequestLimit,
batchResponseSizeLimit: api.node.config.BatchResponseMaxSize,
httpBodyLimit: engineAPIBodyLimit,
},
ExposedParam: "token",
}
if cors != nil {
config.CorsAllowedOrigins = nil
for _, origin := range strings.Split(*cors, ",") {
config.CorsAllowedOrigins = append(config.CorsAllowedOrigins, strings.TrimSpace(origin))
}
}
if vhosts != nil {
config.Vhosts = nil
for _, vhost := range strings.Split(*host, ",") {
config.Vhosts = append(config.Vhosts, strings.TrimSpace(vhost))
}
}
if apis != nil {
config.Modules = nil
for _, m := range strings.Split(*apis, ",") {
config.Modules = append(config.Modules, strings.TrimSpace(m))
}
}
if err := api.node.http.setListenAddr(*host, *port); err != nil {
return false, err
}
if err := api.node.http.enableRPC(api.node.rpcAPIs, config); err != nil {
return false, err
}
if err := api.node.http.start(); err != nil {
return false, err
}
return true, nil
}
// StartRPC starts the HTTP RPC API server.
// Deprecated: use StartHTTP instead.
func (api *adminAPI) StartRPC(host *string, port *int, cors *string, apis *string, vhosts *string) (bool, error) {
log.Warn("Deprecation warning", "method", "admin.StartRPC", "use-instead", "admin.StartHTTP")
return api.StartHTTP(host, port, cors, apis, vhosts)
}
// StopHTTP shuts down the HTTP server.
func (api *adminAPI) StopHTTP() (bool, error) {
api.node.http.stop()
return true, nil
}
// StopRPC shuts down the HTTP server.
// Deprecated: use StopHTTP instead.
func (api *adminAPI) StopRPC() (bool, error) {
log.Warn("Deprecation warning", "method", "admin.StopRPC", "use-instead", "admin.StopHTTP")
return api.StopHTTP()
}
// StartWS starts the websocket RPC API server.
func (api *adminAPI) StartWS(host *string, port *int, allowedOrigins *string, apis *string) (bool, error) {
api.node.lock.Lock()
defer api.node.lock.Unlock()
// Determine host and port.
if host == nil {
h := DefaultWSHost
if api.node.config.WSHost != "" {
h = api.node.config.WSHost
}
host = &h
}
if port == nil {
port = &api.node.config.WSPort
}
// Determine config.
config := wsConfig{
Modules: api.node.config.WSModules,
Origins: api.node.config.WSOrigins,
// ExposeAll: api.node.config.WSExposeAll,
rpcEndpointConfig: rpcEndpointConfig{
batchItemLimit: api.node.config.BatchRequestLimit,
batchResponseSizeLimit: api.node.config.BatchResponseMaxSize,
httpBodyLimit: engineAPIBodyLimit,
},
ExposedParam: "token",
}
if apis != nil {
config.Modules = nil
for _, m := range strings.Split(*apis, ",") {
config.Modules = append(config.Modules, strings.TrimSpace(m))
}
}
if allowedOrigins != nil {
config.Origins = nil
for _, origin := range strings.Split(*allowedOrigins, ",") {
config.Origins = append(config.Origins, strings.TrimSpace(origin))
}
}
// Enable WebSocket on the server.
server := api.node.wsServerForPort(*port, false)
if err := server.setListenAddr(*host, *port); err != nil {
return false, err
}
openApis, _ := api.node.getAPIs()
if err := server.enableWS(openApis, config); err != nil {
return false, err
}
if err := server.start(); err != nil {
return false, err
}
api.node.http.log.Info("WebSocket endpoint opened", "url", api.node.WSEndpoint())
return true, nil
}
// StopWS terminates all WebSocket servers.
func (api *adminAPI) StopWS() (bool, error) {
api.node.http.stopWS()
api.node.ws.stop()
return true, nil
}
// Datadir retrieves the current data directory the node is using.
func (api *adminAPI) Datadir() string {
return api.node.DataDir()
}
// web3API offers helper utils
type web3API struct {
stack *Node
}
// Sha3 applies the ethereum sha3 implementation on the input.
// It assumes the input is hex encoded.
func (s *web3API) Sha3(input hexutil.Bytes) hexutil.Bytes {
return crypto.Keccak256(input)
}