statedb

package
v2.6.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 22, 2024 License: MIT Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	StateName   = "state"
	StateLatest = StateName + ".latest"
)

Variables

View Source 
var (
	EmptyHashID    = types.HashID{}
	EmptyBlockID   = types.BlockID{}
	EmptyAccountID = types.AccountID{}
)
View Source 
var (
	StateMarker = []byte{0x54, 0x45} // marker: tail end
)

Functions

func Marshal 

func Marshal(data interface{}) ([]byte, error)

func StageContractState 

func StageContractState(st *ContractState, states *StateDB) error

Types

type ContractState 

type ContractState struct {
	*types.State
	// contains filtered or unexported fields
}

func GetEnterpriseAccountState 

func GetEnterpriseAccountState(states *StateDB) (*ContractState, error)

GetEnterpriseAccountState returns the ContractState of the AERGO enterprise account.

func GetMultiCallState added in v2.6.0 

func GetMultiCallState(id []byte, st *types.State) *ContractState

func GetNameAccountState 

func GetNameAccountState(states *StateDB) (*ContractState, error)

GetNameAccountState returns the ContractState of the AERGO name account.

func GetSystemAccountState 

func GetSystemAccountState(states *StateDB) (*ContractState, error)

GetSystemAccountState returns the ContractState of the AERGO system account.

func OpenContractState 

func OpenContractState(id []byte, st *types.State, states *StateDB) (*ContractState, error)

func OpenContractStateAccount 

func OpenContractStateAccount(id []byte, states *StateDB) (*ContractState, error)

func (*ContractState) DeleteData 

func (cs *ContractState) DeleteData(key []byte) error

DeleteData remove key and value pair from the storage.

func (*ContractState) GetAccountID 

func (cs *ContractState) GetAccountID() types.AccountID

func (*ContractState) GetCode 

func (cs *ContractState) GetCode() ([]byte, error)

func (*ContractState) GetData 

func (cs *ContractState) GetData(key []byte) ([]byte, error)

GetData returns the value corresponding to the key from the buffered storage.

func (*ContractState) GetID 

func (cs *ContractState) GetID() []byte

func (*ContractState) GetInitialData 

func (cs *ContractState) GetInitialData(key []byte) ([]byte, error)

GetInitialData returns the value corresponding to the key from the contract storage.

func (*ContractState) GetRawKV 

func (cs *ContractState) GetRawKV(key []byte) ([]byte, error)

GetRawKV loads (key, value) from st.store.

func (*ContractState) GetSourceCode added in v2.6.0 

func (cs *ContractState) GetSourceCode() []byte

func (*ContractState) HasKey 

func (cs *ContractState) HasKey(key []byte) bool

HasKey returns existence of the key

func (*ContractState) Hash 

func (cs *ContractState) Hash() []byte

Hash implements types.ImplHashBytes

func (*ContractState) IsMultiCall added in v2.6.0 

func (ctrState *ContractState) IsMultiCall() bool

this refers to the specific contract, not the transaction

func (*ContractState) Marshal 

func (cs *ContractState) Marshal() ([]byte, error)

Marshal implements types.ImplMarshal

func (*ContractState) Rollback 

func (cs *ContractState) Rollback(revision Snapshot) error

Rollback discards changes of storage buffer to revision number

func (*ContractState) SetCode 

func (cs *ContractState) SetCode(sourceCode []byte, bytecode []byte) error

func (*ContractState) SetData 

func (cs *ContractState) SetData(key, value []byte) error

SetData store key and value pair to the storage.

func (*ContractState) SetMultiCallCode added in v2.6.0 

func (cs *ContractState) SetMultiCallCode(code []byte)

func (*ContractState) SetRawKV 

func (cs *ContractState) SetRawKV(key []byte, value []byte) error

SetRawKV saves (key, value) to st.store without any kind of encoding.

func (*ContractState) Snapshot 

func (cs *ContractState) Snapshot() Snapshot

Snapshot returns revision number of storage buffer

type Dump 

type Dump struct {
	Root     []byte                          `json:"root"`
	Accounts map[types.AccountID]DumpAccount `json:"accounts"`
}

func (Dump) MarshalJSON 

func (d Dump) MarshalJSON() ([]byte, error)

type DumpAccount 

type DumpAccount struct {
	State   *types.State
	Code    []byte
	Storage map[types.AccountID][]byte
}

func (DumpAccount) MarshalJSON 

func (d DumpAccount) MarshalJSON() ([]byte, error)

type Snapshot 

type Snapshot int

Snapshot represents revision number of statedb

type StateDB 

type StateDB struct {
	Buffer   *stateBuffer
	Cache    *storageCache
	Trie     *trie.Trie
	Store    db.DB
	Testmode bool
	// contains filtered or unexported fields
}

StateDB manages trie of states

func NewStateDB 

func NewStateDB(dbstore db.DB, root []byte, test bool) *StateDB

NewStateDB craete StateDB instance

func (*StateDB) Clone 

func (states *StateDB) Clone() *StateDB

Clone returns a new StateDB which has same store and Root

func (*StateDB) Commit 

func (states *StateDB) Commit() error

Commit writes state buffer and trie to db

func (*StateDB) Dump 

func (sdb *StateDB) Dump() ([]byte, error)

func (*StateDB) GetAccountAndProof 

func (states *StateDB) GetAccountAndProof(id []byte, root []byte, compressed bool) (*types.AccountProof, error)

GetAccountAndProof gets the state and associated proof of an account in the given trie root. If the account doesnt exist, a proof of non existence is returned.

func (*StateDB) GetAccountState 

func (states *StateDB) GetAccountState(id types.AccountID) (*types.State, error)

GetAccountState gets state of account id from statedb. empty state is returned when there is no state corresponding to account id.

func (*StateDB) GetRoot 

func (states *StateDB) GetRoot() []byte

GetRoot returns root hash of trie

func (*StateDB) GetState 

func (states *StateDB) GetState(id types.AccountID) (*types.State, error)

GetState gets state of account id from state buffer and trie. nil value is returned when there is no state corresponding to account id.

func (*StateDB) GetVarAndProof 

func (states *StateDB) GetVarAndProof(id []byte, root []byte, compressed bool) (*types.ContractVarProof, error)

GetVarAndProof gets the value of a variable in the given contract trie root.

func (*StateDB) HasMarker 

func (states *StateDB) HasMarker(root []byte) bool

HasMarker represents that the state root is finalized or not.

func (*StateDB) IsLegacyTrieKey 

func (states *StateDB) IsLegacyTrieKey() bool

func (*StateDB) LoadCache 

func (states *StateDB) LoadCache(root []byte) error

LoadCache reads first layer of trie given root hash and also updates root node of trie as a given root hash

func (*StateDB) PutState 

func (states *StateDB) PutState(id types.AccountID, state *types.State) error

PutState puts account id and its state into state buffer.

func (*StateDB) RawDump 

func (sdb *StateDB) RawDump() (Dump, error)

func (*StateDB) Revert 

func (states *StateDB) Revert(root types.HashID) error

Revert rollbacks trie to previous root hash

func (*StateDB) Rollback 

func (states *StateDB) Rollback(revision Snapshot) error

Rollback discards changes of state buffer to revision number

func (*StateDB) SetRoot 

func (states *StateDB) SetRoot(root []byte) error

SetRoot updates root node of trie as a given root hash

func (*StateDB) Snapshot 

func (states *StateDB) Snapshot() Snapshot

Snapshot returns revision number of state buffer

func (*StateDB) TrieQuery 

func (states *StateDB) TrieQuery(id []byte, root []byte, compressed bool) ([]byte, [][]byte, int, bool, []byte, []byte, error)

func (*StateDB) Update 

func (states *StateDB) Update() error

Update applies changes of state buffer to trie

Source Files

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