/
admin.go
78 lines (71 loc) · 2.15 KB
/
admin.go
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// Copyright 2018 AMIS Technologies
// This file is part of the hypereth library.
//
// The hypereth 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 hypereth 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 hypereth library. If not, see <http://www.gnu.org/licenses/>.
package ethclient
import (
"context"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
)
// AddPeer connects to the given nodeURL.
func (ec *Client) AddPeer(ctx context.Context, nodeURL string) error {
var r bool
return ec.c.CallContext(ctx, &r, "admin_addPeer", nodeURL)
}
// BatchAddPeer performs batch add remote peers.
func (ec *Client) BatchAddPeer(ctx context.Context, urls []string) error {
if len(urls) == 0 {
return nil
}
// Construct batch requests
method := "admin_addPeer"
reqs := make([]rpc.BatchElem, len(urls))
for i, url := range urls {
reqs[i] = rpc.BatchElem{
Method: method,
Args: []interface{}{url},
}
}
// Batch calls
err := ec.c.BatchCallContext(ctx, reqs)
if err != nil {
return err
}
// Ensure all requests are ok
for _, req := range reqs {
if req.Error != nil {
return err
}
}
return nil
}
// AdminPeers returns the number of connected peers.
func (ec *Client) AdminPeers(ctx context.Context) ([]*p2p.PeerInfo, error) {
var r []*p2p.PeerInfo
err := ec.c.CallContext(ctx, &r, "admin_peers")
if err != nil {
return nil, err
}
return r, err
}
// NodeInfo gathers and returns a collection of metadata known about the host.
func (ec *Client) NodeInfo(ctx context.Context) (*p2p.PeerInfo, error) {
var r *p2p.PeerInfo
err := ec.c.CallContext(ctx, &r, "admin_nodeInfo")
if err != nil {
return nil, err
}
return r, err
}