github.com/linapex/ethereum-go-chinese@v0.0.0-20190316121929-f8b7a73c3fa1/core/state/dump.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 19:16:35</date>
    10  //</624450079834509312>
    11  
    12  
    13  package state
    14  
    15  import (
    16  	"encoding/json"
    17  	"fmt"
    18  
    19  	"github.com/ethereum/go-ethereum/common"
    20  	"github.com/ethereum/go-ethereum/rlp"
    21  	"github.com/ethereum/go-ethereum/trie"
    22  )
    23  
    24  type DumpAccount struct {
    25  	Balance  string            `json:"balance"`
    26  	Nonce    uint64            `json:"nonce"`
    27  	Root     string            `json:"root"`
    28  	CodeHash string            `json:"codeHash"`
    29  	Code     string            `json:"code"`
    30  	Storage  map[string]string `json:"storage"`
    31  }
    32  
    33  type Dump struct {
    34  	Root     string                 `json:"root"`
    35  	Accounts map[string]DumpAccount `json:"accounts"`
    36  }
    37  
    38  func (self *StateDB) RawDump() Dump {
    39  	dump := Dump{
    40  		Root:     fmt.Sprintf("%x", self.trie.Hash()),
    41  		Accounts: make(map[string]DumpAccount),
    42  	}
    43  
    44  	it := trie.NewIterator(self.trie.NodeIterator(nil))
    45  	for it.Next() {
    46  		addr := self.trie.GetKey(it.Key)
    47  		var data Account
    48  		if err := rlp.DecodeBytes(it.Value, &data); err != nil {
    49  			panic(err)
    50  		}
    51  
    52  		obj := newObject(nil, common.BytesToAddress(addr), data)
    53  		account := DumpAccount{
    54  			Balance:  data.Balance.String(),
    55  			Nonce:    data.Nonce,
    56  			Root:     common.Bytes2Hex(data.Root[:]),
    57  			CodeHash: common.Bytes2Hex(data.CodeHash),
    58  			Code:     common.Bytes2Hex(obj.Code(self.db)),
    59  			Storage:  make(map[string]string),
    60  		}
    61  		storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
    62  		for storageIt.Next() {
    63  			account.Storage[common.Bytes2Hex(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(storageIt.Value)
    64  		}
    65  		dump.Accounts[common.Bytes2Hex(addr)] = account
    66  	}
    67  	return dump
    68  }
    69  
    70  func (self *StateDB) Dump() []byte {
    71  	json, err := json.MarshalIndent(self.RawDump(), "", "    ")
    72  	if err != nil {
    73  		fmt.Println("dump err", err)
    74  	}
    75  
    76  	return json
    77  }
    78