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78 lines
2.5 KiB
78 lines
2.5 KiB
package proxy
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import (
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"net/http"
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amino "github.com/tendermint/go-amino"
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"github.com/tendermint/tendermint/libs/log"
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rpcclient "github.com/tendermint/tendermint/rpc/client"
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"github.com/tendermint/tendermint/rpc/core"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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rpc "github.com/tendermint/tendermint/rpc/lib/server"
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)
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const (
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wsEndpoint = "/websocket"
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)
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// StartProxy will start the websocket manager on the client,
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// set up the rpc routes to proxy via the given client,
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// and start up an http/rpc server on the location given by bind (eg. :1234)
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func StartProxy(c rpcclient.Client, listenAddr string, logger log.Logger) error {
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err := c.Start()
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if err != nil {
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return err
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}
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cdc := amino.NewCodec()
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ctypes.RegisterAmino(cdc)
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r := RPCRoutes(c)
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// build the handler...
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mux := http.NewServeMux()
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rpc.RegisterRPCFuncs(mux, r, cdc, logger)
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wm := rpc.NewWebsocketManager(r, cdc, rpc.EventSubscriber(c))
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wm.SetLogger(logger)
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core.SetLogger(logger)
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mux.HandleFunc(wsEndpoint, wm.WebsocketHandler)
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// TODO: limit max number of open connections rpc.Config{MaxOpenConnections: X}
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_, err = rpc.StartHTTPServer(listenAddr, mux, logger, rpc.Config{})
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return err
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}
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// RPCRoutes just routes everything to the given client, as if it were
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// a tendermint fullnode.
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//
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// if we want security, the client must implement it as a secure client
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func RPCRoutes(c rpcclient.Client) map[string]*rpc.RPCFunc {
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return map[string]*rpc.RPCFunc{
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// Subscribe/unsubscribe are reserved for websocket events.
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// We can just use the core tendermint impl, which uses the
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// EventSwitch we registered in NewWebsocketManager above
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"subscribe": rpc.NewWSRPCFunc(core.Subscribe, "query"),
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"unsubscribe": rpc.NewWSRPCFunc(core.Unsubscribe, "query"),
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// info API
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"status": rpc.NewRPCFunc(c.Status, ""),
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"blockchain": rpc.NewRPCFunc(c.BlockchainInfo, "minHeight,maxHeight"),
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"genesis": rpc.NewRPCFunc(c.Genesis, ""),
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"block": rpc.NewRPCFunc(c.Block, "height"),
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"commit": rpc.NewRPCFunc(c.Commit, "height"),
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"tx": rpc.NewRPCFunc(c.Tx, "hash,prove"),
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"validators": rpc.NewRPCFunc(c.Validators, ""),
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// broadcast API
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"broadcast_tx_commit": rpc.NewRPCFunc(c.BroadcastTxCommit, "tx"),
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"broadcast_tx_sync": rpc.NewRPCFunc(c.BroadcastTxSync, "tx"),
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"broadcast_tx_async": rpc.NewRPCFunc(c.BroadcastTxAsync, "tx"),
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// abci API
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"abci_query": rpc.NewRPCFunc(c.ABCIQuery, "path,data,prove"),
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"abci_info": rpc.NewRPCFunc(c.ABCIInfo, ""),
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}
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}
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