github.com/r8d8/go-ethereum@v5.5.2+incompatible/rpc/rpc.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package rpc
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  )
    23  
    24  func NewClient(uri string) (Client, error) {
    25  	if strings.HasPrefix(uri, "ipc:") {
    26  		return newIPCClient(uri[4:])
    27  	}
    28  	if strings.HasPrefix(uri, "rpc:") {
    29  		return &httpClient{endpoint: uri[4:]}, nil
    30  	}
    31  	if strings.HasPrefix(uri, "http://") {
    32  		return &httpClient{endpoint: uri}, nil
    33  	}
    34  	if strings.HasPrefix(uri, "ws:") {
    35  		return &wsClient{endpoint: uri}, nil
    36  	}
    37  	return nil, fmt.Errorf("unsupported RPC schema %q", uri)
    38  }