state/dump.go


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package state

import (
    "encoding/json"
    "fmt"

    "github.com/ethereum/go-ethereum/ethutil"
)

type Account struct {
    Balance  string            `json:"balance"`
    Nonce    uint64            `json:"nonce"`
    Root     string            `json:"root"`
    CodeHash string            `json:"codeHash"`
    Storage  map[string]string `json:"storage"`
}

type World struct {
    Root     string             `json:"root"`
    Accounts map[string]Account `json:"accounts"`
}

func (self *State) Dump() []byte {
    world := World{
        Root:     ethutil.Bytes2Hex(self.Trie.Root.([]byte)),
        Accounts: make(map[string]Account),
    }

    self.Trie.NewIterator().Each(func(key string, value *ethutil.Value) {
        stateObject := NewStateObjectFromBytes([]byte(key), value.Bytes())

        account := Account{Balance: stateObject.balance.String(), Nonce: stateObject.Nonce, Root: ethutil.Bytes2Hex(stateObject.Root()), CodeHash: ethutil.Bytes2Hex(stateObject.codeHash)}
        account.Storage = make(map[string]string)

        stateObject.EachStorage(func(key string, value *ethutil.Value) {
            value.Decode()
            account.Storage[ethutil.Bytes2Hex([]byte(key))] = ethutil.Bytes2Hex(value.Bytes())
        })
        world.Accounts[ethutil.Bytes2Hex([]byte(key))] = account
    })

    json, err := json.MarshalIndent(world, "", "    ")
    if err != nil {
        fmt.Println("dump err", err)
    }

    return json
}