1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
package dial
import (
"context"
"crypto/tls"
"net/http"
"strings"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rpc"
)
// L1EthClientWithTimeout attempts to dial the L1 provider using the
// provided URL. If the dial doesn't complete within DefaultTimeout seconds,
// this method will return an error.
func L1EthClientWithTimeout(ctx context.Context, url string, disableHTTP2 bool) (
*ethclient.Client, error) {
ctxt, cancel := context.WithTimeout(ctx, DefaultTimeout)
defer cancel()
if strings.HasPrefix(url, "http") {
httpClient := new(http.Client)
if disableHTTP2 {
log.Info("Disabled HTTP/2 support in L1 eth client")
httpClient.Transport = &http.Transport{
TLSNextProto: make(map[string]func(authority string, c *tls.Conn) http.RoundTripper),
}
}
//nolint:staticcheck // Geth v1.10.23 uses rpc.DialOptions and rpc.WithClient, but we need to update geth first. Lint is flagged because of global go workspace usage.
rpcClient, err := rpc.DialHTTPWithClient(url, httpClient)
if err != nil {
return nil, err
}
return ethclient.NewClient(rpcClient), nil
}
return ethclient.DialContext(ctxt, url)
}