state

package
v1.0.3 Latest Latest
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Published: Sep 1, 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

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 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

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 *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 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

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 added in v0.9.32

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 added in v0.9.30

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 added in v0.9.32

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 added in v0.9.32

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

func (*StateObject) Trie

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

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"`
}

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