state

package
v1.1.0 Latest Latest
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 Go to latest Published: Aug 25, 2015 License: GPL-3.0 Imports: 12 Imported by: 0

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 added in v0.9.17 

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 added in v0.9.17 

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

func GasLimitError added in v0.9.17 

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

func (*GasLimitErr) Error added in v0.9.17 

func (err *GasLimitErr) Error() string

type Log added in v0.9.17 

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 added in v0.9.17 

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

func (*Log) EncodeRLP added in v0.9.17 

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

func (*Log) String added in v0.9.17 

func (self *Log) String() string

type LogForStorage added in v0.9.26 

type LogForStorage Log

func (*LogForStorage) EncodeRLP added in v0.9.26 

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

type Logs added in v0.9.17 

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 added in v0.9.17 

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 added in v0.9.17 

func (self *StateDB) CreateOutputForDiff()

Debug stuff

func (*StateDB) Delete added in v0.9.17 

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

func (*StateDB) DeleteStateObject added in v0.9.17 

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 added in v0.9.17 

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

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

func (*StateDB) HasAccount added in v0.9.17 

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

func (*StateDB) IsDeleted added in v0.9.17 

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

func (*StateDB) Logs 

func (self *StateDB) Logs() Logs

func (*StateDB) PrintRoot added in v0.9.17 

func (self *StateDB) PrintRoot()

func (*StateDB) RawDump 

func (self *StateDB) RawDump() World

func (*StateDB) Refund added in v0.9.17 

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

func (*StateDB) Refunds added in v0.9.17 

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

func (*StateDB) Reset 

func (s *StateDB) Reset()

Resets the trie and all siblings

func (*StateDB) Root added in v0.9.17 

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

func (*StateDB) Set added in v0.9.17 

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 added in v0.9.17 

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

func (*StateDB) StartRecord added in v0.9.17 

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

func (*StateDB) Sync added in v0.9.17 

func (s *StateDB) Sync()

Syncs the trie and all siblings

func (*StateDB) SyncIntermediate added in v0.9.36 

func (self *StateDB) SyncIntermediate()

SyncIntermediate updates the intermediate state and all mid steps

func (*StateDB) SyncObjects added in v0.9.36 

func (self *StateDB) SyncObjects()

SyncObjects syncs the changed objects to the trie

func (*StateDB) Trie added in v0.9.17 

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

func (*StateDB) UpdateStateObject added in v0.9.17 

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

Update the given state object and apply it to state trie

type StateObject added in v0.9.17 

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

func NewStateObject added in v0.9.17 

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

func NewStateObjectFromBytes added in v0.9.17 

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

func (*StateObject) AddBalance added in v0.9.17 

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

func (*StateObject) AddGas added in v0.9.32 

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

func (*StateObject) Address added in v0.9.17 

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

Returns the address of the contract/account

func (*StateObject) Balance added in v0.9.17 

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

func (*StateObject) Code added in v0.9.17 

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

func (*StateObject) CodeHash added in v0.9.17 

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

func (*StateObject) Copy added in v0.9.17 

func (self *StateObject) Copy() *StateObject

func (*StateObject) CreateOutputForDiff added in v0.9.17 

func (self *StateObject) CreateOutputForDiff()

Debug stuff

func (*StateObject) EachStorage added in v0.9.30 

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

func (*StateObject) GetInstr added in v0.9.17 

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

func (*StateObject) GetState added in v0.9.17 

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

func (*StateObject) Init added in v0.9.17 

func (c *StateObject) Init() Code

Returns the initialization Code

func (*StateObject) MarkForDeletion added in v0.9.17 

func (self *StateObject) MarkForDeletion()

func (*StateObject) N added in v0.9.17 

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

func (*StateObject) Nonce added in v0.9.17 

func (self *StateObject) Nonce() uint64

func (*StateObject) Reset added in v0.9.17 

func (self *StateObject) Reset()

func (*StateObject) ReturnGas added in v0.9.17 

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 added in v0.9.17 

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

func (*StateObject) RlpEncode added in v0.9.17 

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

State object encoding methods

func (*StateObject) Root added in v0.9.17 

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

func (*StateObject) Set added in v0.9.17 

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

func (*StateObject) SetBalance added in v0.9.17 

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

func (*StateObject) SetCode added in v0.9.17 

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

func (*StateObject) SetGasLimit added in v0.9.32 

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

func (*StateObject) SetInitCode added in v0.9.17 

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

func (*StateObject) SetNonce added in v0.9.17 

func (self *StateObject) SetNonce(nonce uint64)

func (*StateObject) SetState added in v0.9.17 

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

func (*StateObject) St added in v0.9.17 

func (c *StateObject) St() Storage

func (*StateObject) Storage added in v0.9.17 

func (self *StateObject) Storage() Storage

func (*StateObject) SubBalance added in v0.9.17 

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

func (*StateObject) SubGas added in v0.9.32 

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

func (*StateObject) Trie added in v0.9.17 

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

func (*StateObject) Update added in v0.9.32 

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 added in v0.9.17 

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 added in v0.9.17 

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

Source Files

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