github.com/ethereum/go-ethereum@v1.16.1/params/forks/forks.go (about)

     1  // Copyright 2023 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 forks
    18  
    19  // Fork is a numerical identifier of specific network upgrades (forks).
    20  type Fork int
    21  
    22  const (
    23  	Frontier Fork = iota
    24  	FrontierThawing
    25  	Homestead
    26  	DAO
    27  	TangerineWhistle // a.k.a. the EIP150 fork
    28  	SpuriousDragon   // a.k.a. the EIP155 fork
    29  	Byzantium
    30  	Constantinople
    31  	Petersburg
    32  	Istanbul
    33  	MuirGlacier
    34  	Berlin
    35  	London
    36  	ArrowGlacier
    37  	GrayGlacier
    38  	Paris
    39  	Shanghai
    40  	Cancun
    41  	Prague
    42  	Osaka
    43  )
    44  
    45  // String implements fmt.Stringer.
    46  func (f Fork) String() string {
    47  	s, ok := forkToString[f]
    48  	if !ok {
    49  		return "Unknown fork"
    50  	}
    51  	return s
    52  }
    53  
    54  var forkToString = map[Fork]string{
    55  	Frontier:         "Frontier",
    56  	FrontierThawing:  "Frontier Thawing",
    57  	Homestead:        "Homestead",
    58  	DAO:              "DAO",
    59  	TangerineWhistle: "Tangerine Whistle",
    60  	SpuriousDragon:   "Spurious Dragon",
    61  	Byzantium:        "Byzantium",
    62  	Constantinople:   "Constantinople",
    63  	Petersburg:       "Petersburg",
    64  	Istanbul:         "Istanbul",
    65  	MuirGlacier:      "Muir Glacier",
    66  	Berlin:           "Berlin",
    67  	London:           "London",
    68  	ArrowGlacier:     "Arrow Glacier",
    69  	GrayGlacier:      "Gray Glacier",
    70  	Paris:            "Paris",
    71  	Shanghai:         "Shanghai",
    72  	Cancun:           "Cancun",
    73  	Prague:           "Prague",
    74  	Osaka:            "Osaka",
    75  }