github.com/MetalBlockchain/subnet-evm@v0.4.9/node/node.go (about)

     1  // (c) 2019-2020, Ava Labs, Inc.
     2  //
     3  // This file is a derived work, based on the go-ethereum library whose original
     4  // notices appear below.
     5  //
     6  // It is distributed under a license compatible with the licensing terms of the
     7  // original code from which it is derived.
     8  //
     9  // Much love to the original authors for their work.
    10  // **********
    11  // Copyright 2015 The go-ethereum Authors
    12  // This file is part of the go-ethereum library.
    13  //
    14  // The go-ethereum library is free software: you can redistribute it and/or modify
    15  // it under the terms of the GNU Lesser General Public License as published by
    16  // the Free Software Foundation, either version 3 of the License, or
    17  // (at your option) any later version.
    18  //
    19  // The go-ethereum library is distributed in the hope that it will be useful,
    20  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    21  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    22  // GNU Lesser General Public License for more details.
    23  //
    24  // You should have received a copy of the GNU Lesser General Public License
    25  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    26  
    27  package node
    28  
    29  import (
    30  	"github.com/MetalBlockchain/subnet-evm/accounts"
    31  	"github.com/MetalBlockchain/subnet-evm/rpc"
    32  )
    33  
    34  // Node is a container on which services can be registered.
    35  type Node struct {
    36  	config *Config
    37  	accman *accounts.Manager
    38  
    39  	subnetEVMVersion string
    40  }
    41  
    42  // New creates a new P2P node, ready for protocol registration.
    43  func New(conf *Config) (*Node, error) {
    44  	// Copy config and resolve the datadir so future changes to the current
    45  	// working directory don't affect the node.
    46  	confCopy := *conf
    47  	conf = &confCopy
    48  
    49  	node := &Node{config: conf}
    50  
    51  	// Ensure that the AccountManager method works before the node has started. We rely on
    52  	// this in cmd/geth.
    53  	am, err := makeAccountManager(conf)
    54  	if err != nil {
    55  		return nil, err
    56  	}
    57  	node.accman = am
    58  
    59  	return node, nil
    60  }
    61  
    62  // Config returns the configuration of node.
    63  func (n *Node) Config() *Config {
    64  	return n.config
    65  }
    66  
    67  // AccountManager retrieves the account manager used by the protocol stack.
    68  func (n *Node) AccountManager() *accounts.Manager {
    69  	return n.accman
    70  }
    71  
    72  // RegisterAPIs registers the APIs a service provides on the node.
    73  func (n *Node) APIs() []rpc.API {
    74  	return n.apis()
    75  }