forked from cerc-io/plugeth
6b98d18789
* cmd, core, params: add support for the Holesky testnet * cmd/devp2p: add support for holesky for the dns crawler
109 lines
2.8 KiB
Go
109 lines
2.8 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//go:build none
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// +build none
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/*
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The mkalloc tool creates the genesis allocation constants in genesis_alloc.go
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It outputs a const declaration that contains an RLP-encoded list of (address, balance) tuples.
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go run mkalloc.go genesis.json
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*/
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package main
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import (
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"encoding/json"
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"fmt"
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"math/big"
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"os"
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"strconv"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/rlp"
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"golang.org/x/exp/slices"
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)
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type allocItem struct {
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Addr *big.Int
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Balance *big.Int
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Misc *allocItemMisc `rlp:"optional"`
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}
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type allocItemMisc struct {
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Nonce uint64
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Code []byte
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Slots []allocItemStorageItem
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}
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type allocItemStorageItem struct {
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Key common.Hash
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Val common.Hash
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}
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func makelist(g *core.Genesis) []allocItem {
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items := make([]allocItem, 0, len(g.Alloc))
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for addr, account := range g.Alloc {
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var misc *allocItemMisc
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if len(account.Storage) > 0 || len(account.Code) > 0 || account.Nonce != 0 {
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misc = &allocItemMisc{
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Nonce: account.Nonce,
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Code: account.Code,
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Slots: make([]allocItemStorageItem, 0, len(account.Storage)),
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}
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for key, val := range account.Storage {
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misc.Slots = append(misc.Slots, allocItemStorageItem{key, val})
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}
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slices.SortFunc(misc.Slots, func(a, b allocItemStorageItem) int {
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return a.Key.Cmp(b.Key)
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})
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}
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bigAddr := new(big.Int).SetBytes(addr.Bytes())
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items = append(items, allocItem{bigAddr, account.Balance, misc})
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}
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slices.SortFunc(items, func(a, b allocItem) int {
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return a.Addr.Cmp(b.Addr)
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})
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return items
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}
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func makealloc(g *core.Genesis) string {
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a := makelist(g)
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data, err := rlp.EncodeToBytes(a)
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if err != nil {
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panic(err)
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}
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return strconv.QuoteToASCII(string(data))
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}
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func main() {
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if len(os.Args) != 2 {
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fmt.Fprintln(os.Stderr, "Usage: mkalloc genesis.json")
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os.Exit(1)
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}
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g := new(core.Genesis)
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file, err := os.Open(os.Args[1])
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if err != nil {
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panic(err)
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}
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if err := json.NewDecoder(file).Decode(g); err != nil {
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panic(err)
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}
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fmt.Println("const allocData =", makealloc(g))
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}
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