go-ethereum/rpc/client_opt_test.go

42 lines
1.3 KiB
Go

// Copyright 2022 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 rpc_test
import (
"context"
"net/http"
"time"
"github.com/ethereum/go-ethereum/rpc"
)
// This example configures a HTTP-based RPC client with two options - one setting the
// overall request timeout, the other adding a custom HTTP header to all requests.
func ExampleDialOptions() {
tokenHeader := rpc.WithHeader("x-token", "foo")
httpClient := rpc.WithHTTPClient(&http.Client{
Timeout: 10 * time.Second,
})
ctx := context.Background()
c, err := rpc.DialOptions(ctx, "http://rpc.example.com", httpClient, tokenHeader)
if err != nil {
panic(err)
}
c.Close()
}