state

package
v0.9.39 Latest Latest
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 Go to latest Published: Jul 25, 2015 License: GPL-3.0 Imports: 12 Imported by: 12

Documentation

Overview

Package state provides a caching layer atop the Ethereum state trie.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsGasLimitErr 

func IsGasLimitErr(err error) bool

Types

type Account 

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 Code 

type Code []byte

func (Code) String 

func (self Code) String() string

type GasLimitErr 

type GasLimitErr struct {
	Message string
	Is, Max *big.Int
}

func GasLimitError 

func GasLimitError(is, max *big.Int) *GasLimitErr

func (*GasLimitErr) Error 

func (err *GasLimitErr) Error() string

type Log 

type Log struct {
	Address common.Address
	Topics  []common.Hash
	Data    []byte
	Number  uint64

	TxHash    common.Hash
	TxIndex   uint
	BlockHash common.Hash
	Index     uint
}

func NewLog 

func NewLog(address common.Address, topics []common.Hash, data []byte, number uint64) *Log

func (*Log) EncodeRLP 

func (self *Log) EncodeRLP(w io.Writer) error

func (*Log) String 

func (self *Log) String() string

type LogForStorage 

type LogForStorage Log

func (*LogForStorage) EncodeRLP 

func (self *LogForStorage) EncodeRLP(w io.Writer) error

type Logs 

type Logs []*Log

type ManagedState 

type ManagedState struct {
	*StateDB
	// contains filtered or unexported fields
}

func ManageState 

func ManageState(statedb *StateDB) *ManagedState

ManagedState returns a new managed state with the statedb as it's backing layer

func (*ManagedState) GetNonce 

func (ms *ManagedState) GetNonce(addr common.Address) uint64

GetNonce returns the canonical nonce for the managed or unmanged account

func (*ManagedState) HasAccount 

func (ms *ManagedState) HasAccount(addr common.Address) bool

HasAccount returns whether the given address is managed or not

func (*ManagedState) NewNonce 

func (ms *ManagedState) NewNonce(addr common.Address) uint64

NewNonce returns the new canonical nonce for the managed account

func (*ManagedState) RemoveNonce 

func (ms *ManagedState) RemoveNonce(addr common.Address, n uint64)

RemoveNonce removed the nonce from the managed state and all future pending nonces

func (*ManagedState) SetNonce 

func (ms *ManagedState) SetNonce(addr common.Address, nonce uint64)

SetNonce sets the new canonical nonce for the managed state

func (*ManagedState) SetState 

func (ms *ManagedState) SetState(statedb *StateDB)

SetState sets the backing layer of the managed state

type StateDB 

type StateDB struct {
	// contains filtered or unexported fields
}

StateDBs within the ethereum protocol are used to store anything within the merkle trie. StateDBs take care of caching and storing nested states. It's the general query interface to retrieve: * Contracts * Accounts

func New 

func New(root common.Hash, db common.Database) *StateDB

Create a new state from a given trie

func (*StateDB) AddBalance 

func (self *StateDB) AddBalance(addr common.Address, amount *big.Int)

func (*StateDB) AddLog 

func (self *StateDB) AddLog(log *Log)

func (*StateDB) Cmp 

func (s *StateDB) Cmp(other *StateDB) bool

func (*StateDB) Copy 

func (self *StateDB) Copy() *StateDB

func (*StateDB) CreateAccount 

func (self *StateDB) CreateAccount(addr common.Address) *StateObject

Creates creates a new state object and takes ownership. This is different from "NewStateObject"

func (*StateDB) CreateOutputForDiff 

func (self *StateDB) CreateOutputForDiff()

Debug stuff

func (*StateDB) Delete 

func (self *StateDB) Delete(addr common.Address) bool

func (*StateDB) DeleteStateObject 

func (self *StateDB) DeleteStateObject(stateObject *StateObject)

Delete the given state object and delete it from the state trie

func (*StateDB) Dump 

func (self *StateDB) Dump() []byte

func (*StateDB) Empty 

func (self *StateDB) Empty()

func (*StateDB) GetBalance 

func (self *StateDB) GetBalance(addr common.Address) *big.Int

Retrieve the balance from the given address or 0 if object not found

func (*StateDB) GetCode 

func (self *StateDB) GetCode(addr common.Address) []byte

func (*StateDB) GetLogs 

func (self *StateDB) GetLogs(hash common.Hash) Logs

func (*StateDB) GetNonce 

func (self *StateDB) GetNonce(addr common.Address) uint64

func (*StateDB) GetOrNewStateObject 

func (self *StateDB) GetOrNewStateObject(addr common.Address) *StateObject

Retrieve a state object or create a new state object if nil

func (*StateDB) GetState 

func (self *StateDB) GetState(a common.Address, b common.Hash) common.Hash

func (*StateDB) GetStateObject 

func (self *StateDB) GetStateObject(addr common.Address) *StateObject

Retrieve a state object given my the address. Nil if not found

func (*StateDB) HasAccount 

func (self *StateDB) HasAccount(addr common.Address) bool

func (*StateDB) IsDeleted 

func (self *StateDB) IsDeleted(addr common.Address) bool

func (*StateDB) Logs 

func (self *StateDB) Logs() Logs

func (*StateDB) PrintRoot 

func (self *StateDB) PrintRoot()

func (*StateDB) RawDump 

func (self *StateDB) RawDump() World

func (*StateDB) Refund 

func (self *StateDB) Refund(gas *big.Int)

func (*StateDB) Refunds 

func (self *StateDB) Refunds() *big.Int

func (*StateDB) Reset 

func (s *StateDB) Reset()

Resets the trie and all siblings

func (*StateDB) Root 

func (s *StateDB) Root() common.Hash

func (*StateDB) Set 

func (self *StateDB) Set(state *StateDB)

func (*StateDB) SetCode 

func (self *StateDB) SetCode(addr common.Address, code []byte)

func (*StateDB) SetNonce 

func (self *StateDB) SetNonce(addr common.Address, nonce uint64)

func (*StateDB) SetState 

func (self *StateDB) SetState(addr common.Address, key common.Hash, value common.Hash)

func (*StateDB) SetStateObject 

func (self *StateDB) SetStateObject(object *StateObject)

func (*StateDB) StartRecord 

func (self *StateDB) StartRecord(thash, bhash common.Hash, ti int)

func (*StateDB) Sync 

func (s *StateDB) Sync()

Syncs the trie and all siblings

func (*StateDB) SyncIntermediate 

func (self *StateDB) SyncIntermediate()

SyncIntermediate updates the intermediate state and all mid steps

func (*StateDB) SyncObjects 

func (self *StateDB) SyncObjects()

SyncObjects syncs the changed objects to the trie

func (*StateDB) Trie 

func (s *StateDB) Trie() *trie.SecureTrie

func (*StateDB) UpdateStateObject 

func (self *StateDB) UpdateStateObject(stateObject *StateObject)

Update the given state object and apply it to state trie

type StateObject 

type StateObject struct {
	// contains filtered or unexported fields
}

func NewStateObject 

func NewStateObject(address common.Address, db common.Database) *StateObject

func NewStateObjectFromBytes 

func NewStateObjectFromBytes(address common.Address, data []byte, db common.Database) *StateObject

func (*StateObject) AddBalance 

func (c *StateObject) AddBalance(amount *big.Int)

func (*StateObject) AddGas 

func (self *StateObject) AddGas(gas, price *big.Int)

func (*StateObject) Address 

func (c *StateObject) Address() common.Address

Returns the address of the contract/account

func (*StateObject) Balance 

func (self *StateObject) Balance() *big.Int

func (*StateObject) Code 

func (self *StateObject) Code() []byte

func (*StateObject) CodeHash 

func (c *StateObject) CodeHash() common.Bytes

func (*StateObject) Copy 

func (self *StateObject) Copy() *StateObject

func (*StateObject) CreateOutputForDiff 

func (self *StateObject) CreateOutputForDiff()

Debug stuff

func (*StateObject) EachStorage 

func (self *StateObject) EachStorage(cb func(key, value []byte))

func (*StateObject) GetInstr 

func (c *StateObject) GetInstr(pc *big.Int) *common.Value

func (*StateObject) GetState 

func (self *StateObject) GetState(key common.Hash) common.Hash

func (*StateObject) Init 

func (c *StateObject) Init() Code

Returns the initialization Code

func (*StateObject) MarkForDeletion 

func (self *StateObject) MarkForDeletion()

func (*StateObject) N 

func (c *StateObject) N() *big.Int

func (*StateObject) Nonce 

func (self *StateObject) Nonce() uint64

func (*StateObject) Reset 

func (self *StateObject) Reset()

func (*StateObject) ReturnGas 

func (c *StateObject) ReturnGas(gas, price *big.Int)

Return the gas back to the origin. Used by the Virtual machine or Closures

func (*StateObject) RlpDecode 

func (c *StateObject) RlpDecode(data []byte)

func (*StateObject) RlpEncode 

func (c *StateObject) RlpEncode() []byte

State object encoding methods

func (*StateObject) Root 

func (self *StateObject) Root() []byte

func (*StateObject) Set 

func (self *StateObject) Set(stateObject *StateObject)

func (*StateObject) SetBalance 

func (c *StateObject) SetBalance(amount *big.Int)

func (*StateObject) SetCode 

func (self *StateObject) SetCode(code []byte)

func (*StateObject) SetGasLimit 

func (self *StateObject) SetGasLimit(gasLimit *big.Int)

func (*StateObject) SetInitCode 

func (self *StateObject) SetInitCode(code []byte)

func (*StateObject) SetNonce 

func (self *StateObject) SetNonce(nonce uint64)

func (*StateObject) SetState 

func (self *StateObject) SetState(k, value common.Hash)

func (*StateObject) St 

func (c *StateObject) St() Storage

func (*StateObject) Storage 

func (self *StateObject) Storage() Storage

func (*StateObject) SubBalance 

func (c *StateObject) SubBalance(amount *big.Int)

func (*StateObject) SubGas 

func (self *StateObject) SubGas(gas, price *big.Int) error

func (*StateObject) Trie 

func (self *StateObject) Trie() *trie.SecureTrie

func (*StateObject) Update 

func (self *StateObject) Update()

Update updates the current cached storage to the trie

type Storage 

type Storage map[string]common.Hash

func (Storage) Copy 

func (self Storage) Copy() Storage

func (Storage) String 

func (self Storage) String() (str string)

type StorageState 

type StorageState struct {
	StateAddress []byte
	Address      []byte
	Value        *big.Int
}

Storage change object. Used by the manifest for notifying changes to the sub channels.

type World 

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

Source Files

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