63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
// VulcanizeDB
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// Copyright © 2020 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package rpc
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import (
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"net"
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"net/http"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
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)
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// StartWSEndpoint starts a websocket endpoint.
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func StartWSEndpoint(endpoint string, apis []rpc.API, modules []string, wsOrigins []string) (net.Listener, *rpc.Server, error) {
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// All APIs registered, start the HTTP listener
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var (
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listener net.Listener
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err error
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)
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// Register all the APIs exposed by the services
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handler := rpc.NewServer()
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err = node.RegisterApis(apis, modules, handler)
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if err != nil {
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utils.Fatalf("Could not register WS API: %w", err)
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}
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if listener, err = net.Listen("tcp", endpoint); err != nil {
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return nil, nil, err
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}
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wsServer := NewWSServer(wsOrigins, handler)
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wsServer.Handler = prom.WSMiddleware(wsServer.Handler)
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go wsServer.Serve(listener)
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return listener, handler, err
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}
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// NewWSServer creates a new websocket RPC server around an API provider.
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//
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// Deprecated: use prc.Server.WebsocketHandler
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func NewWSServer(allowedOrigins []string, srv *rpc.Server) *http.Server {
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return &http.Server{Handler: srv.WebsocketHandler(allowedOrigins)}
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}
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