database

package
v3.11.4 Latest Latest
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 Go to latest Published: Dec 17, 2023 License: LGPL-3.0 Imports: 20 Imported by: 0

Documentation

Overview

Package database is a generated GoMock package.

Index

Constants

View Source 
const (
	// GasPledgeTotalKey : how many IOST is pledged
	GasPledgeTotalKey = "gt"
	// GasLimitKey : how much gas can be generated max per IOST
	GasLimitKey = "gl"
	// GasUpdateTimeKey : when the gas state is refreshed last time, for internal use
	GasUpdateTimeKey = "gu"
	// GasStockKey : how much gas is there when last time refreshed
	GasStockKey = "gs"
	// GasPledgeKey : i pledge how much coins for others
	GasPledgeKey = "gp"
)
View Source 
const (
	IntPrefix      = "i"
	StringPrefix   = "s"
	NilPrefix      = "n"
	BoolPrefix     = "b"
	JSONPrefix     = "j"
	FixPointPrefix = "f"
)

const prefixs

View Source 
const BasicPrefix = "b-"

BasicPrefix prefix of basic types

View Source 
const ContractPrefix = "c-"

ContractPrefix ...

View Source 
const GasContractName = "gas.iost"

GasContractName name of basic token contract

View Source 
const (
	GasDecimal = 2
)

decimals of gas

View Source 
const GasFulfillSeconds int64 = 2 * 24 * 3600

GasFulfillSeconds it takes 2 days to fulfill the gas buffer.

View Source 
const IOSTRatio int64 = 100000000

IOSTRatio ...

View Source 
const MapKeysSeparator = "@"

MapKeysSeparator separator of value

View Source 
const MapPrefix = "m-"

MapPrefix prefix of map key

View Source 
const RAMContractName = "ram.iost"

RAMContractName name of basic token contract

View Source 
const RAMOwnerSeparator = "@"

These two values are same... a historical mistake

View Source 
const Separator = "-"

Separator separator of map key

View Source 
const (
	// StateTable name
	StateTable = "state"
)
View Source 
const Token721ContractName = "token721.iost"

Token721ContractName name of basic token contract

View Source 
const TokenContractName = "token.iost"

TokenContractName name of basic token contract

View Source 
const VoteContractName = "vote.iost"

VoteContractName name of common vote contract

View Source 
const VoteProducerContractName = "vote_producer.iost"

VoteProducerContractName name of vote producer contract

Variables

View Source 
var GasImmediateReward = common.NewDecimalFromIntWithScale(100000, 2)

GasImmediateReward immediate reward per IOST

View Source 
var GasIncreaseRate = GasLimit.Sub(GasImmediateReward).DivInt(GasFulfillSeconds)

GasIncreaseRate gas increase per IOST per second

View Source 
var GasLimit = common.NewDecimalFromIntWithScale(300000, 2)

GasLimit gas limit per IOST

View Source 
var GasMinPledgeOfUser = common.NewDecimalFromIntWithScale(10, 8)

GasMinPledgeOfUser Each user must pledge a minimum amount of IOST

View Source 
var GasMinPledgePerAction = common.NewDecimalFromIntWithScale(1, 8)

GasMinPledgePerAction One must (un)pledge more than 1 IOST

Functions

func EmptyGas 

func EmptyGas() *common.Decimal

EmptyGas ...

func LoadBlockhead 

func LoadBlockhead(path string) (*block.BlockHead, error)

LoadBlockhead load block info as block.BlockHead from json file

func LoadTxInfo 

func LoadTxInfo(path string) (*tx.Tx, error)

LoadTxInfo load tx info as tx.Tx from json file

func Marshal 

func Marshal(in any, extras ...string) (string, error)

Marshal marshal go types to value string

func MustMarshal 

func MustMarshal(in any, extra ...string) string

MustMarshal marshal go types to value string, panic on error

func MustUnmarshal 

func MustUnmarshal(o string) any

MustUnmarshal unmarshal value string to go types, panic on error

func MustUnmarshalWithExtra 

func MustUnmarshalWithExtra(o string) (any, string)

MustUnmarshalWithExtra unmarshal value string to go types, panic on error

func Unmarshal 

func Unmarshal(o string) any

Unmarshal unmarshal value string to go types

func UnmarshalWithExtra 

func UnmarshalWithExtra(o string) (any, string)

UnmarshalWithExtra unmarshal value string to go types

Types

type AccountRAMInfo 

type AccountRAMInfo struct {
	// Used ...
	Used int64
	// Available ...
	Available int64
	// Total ...
	Total int64
}

AccountRAMInfo ...

type AccountVoteInfo 

type AccountVoteInfo struct {
	Option       string
	Votes        *common.Decimal
	ClearedVotes *common.Decimal
}

AccountVoteInfo ...

type BasicHandler 

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

BasicHandler handler of basic type

func (*BasicHandler) Del 

func (m *BasicHandler) Del(key string)

Del del key, if key is nil do nothing

func (*BasicHandler) Get 

func (m *BasicHandler) Get(key string) (value string)

Get get v from k

func (*BasicHandler) Has 

func (m *BasicHandler) Has(key string) bool

Has determine if k exist

func (*BasicHandler) Put 

func (m *BasicHandler) Put(key, value string)

Put put to k-v

type ContractHandler 

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

ContractHandler ...

func (*ContractHandler) Contract 

func (m *ContractHandler) Contract(key string) (c *contract.Contract)

Contract get contract by key

func (*ContractHandler) DelContract 

func (m *ContractHandler) DelContract(key string)

DelContract delete contract, if contract not exist, do nothing

func (*ContractHandler) HasContract 

func (m *ContractHandler) HasContract(key string) bool

HasContract determine if contract existed

func (*ContractHandler) SetContract 

func (m *ContractHandler) SetContract(contract *contract.Contract)

SetContract set contract to storage, will not do check

type FreezeItem 

type FreezeItem struct {
	Amount int64
	Ftime  int64
}

FreezeItem represents freezed balance, will unfreeze after Ftime

type FreezeItemDecimal added in v3.8.5 

type FreezeItemDecimal struct {
	Amount common.Decimal
	Ftime  int64
}

FreezeItemDecimal ...

type GasHandler 

type GasHandler struct {
	BasicHandler
	MapHandler
}

GasHandler easy to get balance of token.iost

func (*GasHandler) GasLimit 

func (g *GasHandler) GasLimit(name string) *common.Decimal

GasLimit ...

func (*GasHandler) GasPledge 

func (g *GasHandler) GasPledge(name string, pledger string) *common.Decimal

GasPledge ...

func (*GasHandler) GasPledgeTotal 

func (g *GasHandler) GasPledgeTotal(name string) *common.Decimal

GasPledgeTotal ...

func (*GasHandler) GasStock 

func (g *GasHandler) GasStock(name string) *common.Decimal

GasStock `gasStock` means the gas amount at last update time.

func (*GasHandler) GasUpdateTime 

func (g *GasHandler) GasUpdateTime(name string) int64

GasUpdateTime ...

func (*GasHandler) PGasAtTime 

func (g *GasHandler) PGasAtTime(name string, t int64) (result *common.Decimal)

PGasAtTime return pledge gas at given time. It is min(limit, last_updated_gas + time_since_last_updated * increase_speed)

func (*GasHandler) PledgerInfo 

func (g *GasHandler) PledgerInfo(name string) []PledgerInfo

PledgerInfo get I pledged how much coins for others

func (*GasHandler) TotalGasAtTime 

func (g *GasHandler) TotalGasAtTime(name string, t int64) (result *common.Decimal)

TotalGasAtTime return total gas at given time..

type IMultiValue 

type IMultiValue interface {
	Get(table string, key string) (string, error)
	Put(table string, key string, value string) error
	Del(table string, key string) error
	Has(table string, key string) (bool, error)
}

IMultiValue mvcc database interface

type LRU 

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

LRU lru cache

func NewBatchVisitorRoot 

func NewBatchVisitorRoot(cacheLength int, cb IMultiValue, rules *version.Rules) *LRU

NewBatchVisitorRoot get LRU to next step

func NewLRU 

func NewLRU(length int, db database) *LRU

NewLRU make a new lru

func (*LRU) Del 

func (m *LRU) Del(key string)

Del delete key from cache

func (*LRU) Get 

func (m *LRU) Get(key string) (value string)

Get get from cache

func (*LRU) Has 

func (m *LRU) Has(key string) bool

Has if key exist

func (*LRU) Purge 

func (m *LRU) Purge()

Purge delete all keys

func (*LRU) Put 

func (m *LRU) Put(key, value string)

Put put kv to cache

func (*LRU) Rules 

func (m *LRU) Rules() *version.Rules

Rules get rules of db

type MapHandler 

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

MapHandler handler of map

func (*MapHandler) MDel 

func (m *MapHandler) MDel(key, field string)

MDel delete field of map o(1)

func (*MapHandler) MGet 

func (m *MapHandler) MGet(key, field string) (value string)

MGet get value from storage o(1)

func (*MapHandler) MHas 

func (m *MapHandler) MHas(key, field string) bool

MHas if has map and field

func (*MapHandler) MKeys 

func (m *MapHandler) MKeys(key string) (fields []string)

MKeys list fields of map o(1)

func (*MapHandler) MPut 

func (m *MapHandler) MPut(key, field, value string)

MPut put value in kfv storage o(1)

type MockIMultiValue 

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

MockIMultiValue is a mock of IMultiValue interface

func NewMockIMultiValue 

func NewMockIMultiValue(ctrl *gomock.Controller) *MockIMultiValue

NewMockIMultiValue creates a new mock instance

func (*MockIMultiValue) Commit 

func (m *MockIMultiValue) Commit()

Commit mocks base method

func (*MockIMultiValue) Del 

func (m *MockIMultiValue) Del(arg0, arg1 string) error

Del mocks base method

func (*MockIMultiValue) EXPECT 

func (m *MockIMultiValue) EXPECT() *MockIMultiValueMockRecorder

EXPECT returns an object that allows the caller to indicate expected use

func (*MockIMultiValue) Get 

func (m *MockIMultiValue) Get(arg0, arg1 string) (string, error)

Get mocks base method

func (*MockIMultiValue) Has 

func (m *MockIMultiValue) Has(arg0, arg1 string) (bool, error)

Has mocks base method

func (*MockIMultiValue) Keys 

func (m *MockIMultiValue) Keys(arg0, arg1 string) ([]string, error)

Keys mocks base method

func (*MockIMultiValue) Put 

func (m *MockIMultiValue) Put(arg0, arg1, arg2 string) error

Put mocks base method

func (*MockIMultiValue) Rollback 

func (m *MockIMultiValue) Rollback()

Rollback mocks base method

type MockIMultiValueMockRecorder 

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

MockIMultiValueMockRecorder is the mock recorder for MockIMultiValue

func (*MockIMultiValueMockRecorder) Commit 

func (mr *MockIMultiValueMockRecorder) Commit() *gomock.Call

Commit indicates an expected call of Commit

func (*MockIMultiValueMockRecorder) Del 

func (mr *MockIMultiValueMockRecorder) Del(arg0, arg1 interface{}) *gomock.Call

Del indicates an expected call of Del

func (*MockIMultiValueMockRecorder) Get 

func (mr *MockIMultiValueMockRecorder) Get(arg0, arg1 interface{}) *gomock.Call

Get indicates an expected call of Get

func (*MockIMultiValueMockRecorder) Has 

func (mr *MockIMultiValueMockRecorder) Has(arg0, arg1 interface{}) *gomock.Call

Has indicates an expected call of Has

func (*MockIMultiValueMockRecorder) Keys 

func (mr *MockIMultiValueMockRecorder) Keys(arg0, arg1 interface{}) *gomock.Call

Keys indicates an expected call of Keys

func (*MockIMultiValueMockRecorder) Put 

func (mr *MockIMultiValueMockRecorder) Put(arg0, arg1, arg2 interface{}) *gomock.Call

Put indicates an expected call of Put

func (*MockIMultiValueMockRecorder) Rollback 

func (mr *MockIMultiValueMockRecorder) Rollback() *gomock.Call

Rollback indicates an expected call of Rollback

type Mode 

type Mode int

Mode of this record 

const (
	Default Mode = iota
	Delete
)

const enum of Mode

type PledgerInfo 

type PledgerInfo struct {
	Pledger string
	Amount  *common.Decimal
}

PledgerInfo ...

type ProducerVoteInfo 

type ProducerVoteInfo struct {
	Pubkey     string
	Loc        string
	URL        string
	NetID      string
	IsProducer bool
	Status     string
	Online     bool
}

ProducerVoteInfo ...

type RAMHandler 

type RAMHandler struct {
	BasicHandler
}

RAMHandler easy to get balance of token.iost

func (*RAMHandler) BuyPrice 

func (r *RAMHandler) BuyPrice() float64

BuyPrice ...

func (*RAMHandler) ChangeUsedRAMInfo 

func (r *RAMHandler) ChangeUsedRAMInfo(acc string, delta int64)

ChangeUsedRAMInfo ...

func (*RAMHandler) GetAccountRAMInfo 

func (r *RAMHandler) GetAccountRAMInfo(acc string) *AccountRAMInfo

GetAccountRAMInfo ...

func (*RAMHandler) LeftRAM 

func (r *RAMHandler) LeftRAM() int64

LeftRAM ...

func (*RAMHandler) SellPrice 

func (r *RAMHandler) SellPrice() float64

SellPrice ...

func (*RAMHandler) TotalRAM 

func (r *RAMHandler) TotalRAM() int64

TotalRAM ...

func (*RAMHandler) UsedRAM 

func (r *RAMHandler) UsedRAM() int64

UsedRAM ...

type Record 

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

Record of one access

type RollbackHandler 

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

RollbackHandler rollback delegate

func (*RollbackHandler) Commit 

func (m *RollbackHandler) Commit()

Commit commit a MVCC version

func (*RollbackHandler) Rollback 

func (m *RollbackHandler) Rollback()

Rollback rollback to newest MVCC version

type SerializedJSON 

type SerializedJSON []byte

SerializedJSON type of Serialized json

type SimpleDB 

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

SimpleDB implements simple database interface

func NewDatabase 

func NewDatabase() *SimpleDB

NewDatabase returns a SimpleDB with empty data and system contract

func NewDatabaseFromPath 

func NewDatabaseFromPath(path string) *SimpleDB

NewDatabaseFromPath returns a SimpleDB with data loaded from json file

func (*SimpleDB) AddSystem 

func (d *SimpleDB) AddSystem(path string)

AddSystem load system contract and data from json file

func (*SimpleDB) Commit 

func (d *SimpleDB) Commit()

Commit do nothing

func (*SimpleDB) Del 

func (d *SimpleDB) Del(table string, key string) error

Del delete key from db

func (*SimpleDB) Get 

func (d *SimpleDB) Get(table string, key string) (string, error)

Get key-value from db with marshal

func (*SimpleDB) Has 

func (d *SimpleDB) Has(table string, key string) (bool, error)

Has return if key exists in db

func (*SimpleDB) Keys 

func (d *SimpleDB) Keys(table string, prefix string) ([]string, error)

Keys do nothing

func (*SimpleDB) Load 

func (d *SimpleDB) Load(path string) error

Load load db data from json file

func (*SimpleDB) Put 

func (d *SimpleDB) Put(table string, key string, value string) error

Put key-value into db with unmarshal

func (*SimpleDB) Rollback 

func (d *SimpleDB) Rollback()

Rollback do nothing

func (*SimpleDB) Save 

func (d *SimpleDB) Save(path string) error

Save save db data to json file

type Token721Handler 

type Token721Handler struct {
	// contains filtered or unexported fields
}

Token721Handler easy to get balance of token.iost

func (*Token721Handler) Token721Balance 

func (m *Token721Handler) Token721Balance(tokenName, acc string) int64

Token721Balance get token balance of acc

func (*Token721Handler) Token721IDList 

func (m *Token721Handler) Token721IDList(tokenName, acc string) []string

Token721IDList get token balance of acc

func (*Token721Handler) Token721Metadata 

func (m *Token721Handler) Token721Metadata(tokenName, tokenID string) (string, error)

Token721Metadata get token balance of acc

func (*Token721Handler) Token721Owner 

func (m *Token721Handler) Token721Owner(tokenName, tokenID string) (string, error)

Token721Owner get token owner of tokenID

type TokenHandler 

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

TokenHandler easy to get balance of token.iost

func (*TokenHandler) AllFreezedTokenBalance 

func (m *TokenHandler) AllFreezedTokenBalance(tokenName, acc string) []FreezeItem

AllFreezedTokenBalance get freezed token balance of acc

func (*TokenHandler) AllFreezedTokenBalanceDecimal added in v3.8.5 

func (m *TokenHandler) AllFreezedTokenBalanceDecimal(tokenName, acc string) []FreezeItemDecimal

AllFreezedTokenBalanceDecimal get freezed token balance of acc

func (*TokenHandler) Decimal 

func (m *TokenHandler) Decimal(tokenName string) int

Decimal get decimal in token info

func (*TokenHandler) FreezedTokenBalance 

func (m *TokenHandler) FreezedTokenBalance(tokenName, acc string) int64

FreezedTokenBalance get freezed token balance of acc

func (*TokenHandler) FreezedTokenBalanceDecimal added in v3.8.5 

func (m *TokenHandler) FreezedTokenBalanceDecimal(tokenName, acc string) *common.Decimal

FreezedTokenBalanceDecimal get token balance of acc

func (*TokenHandler) SetTokenBalance 

func (m *TokenHandler) SetTokenBalance(tokenName, acc string, amount int64)

SetTokenBalance set token balance of acc, used for test

func (*TokenHandler) SetTokenBalanceDecimal added in v3.8.5 

func (m *TokenHandler) SetTokenBalanceDecimal(tokenName, acc string, amountStr string)

SetTokenBalanceDecimal set token balance of acc, used for test

func (*TokenHandler) TokenBalance 

func (m *TokenHandler) TokenBalance(tokenName, acc string) int64

TokenBalance get token balance of acc

func (*TokenHandler) TokenBalanceDecimal added in v3.8.5 

func (m *TokenHandler) TokenBalanceDecimal(tokenName, acc string) *common.Decimal

TokenBalanceDecimal get token balance of acc

type Visitor 

type Visitor struct {
	BasicHandler
	MapHandler
	ContractHandler
	TokenHandler
	Token721Handler
	RollbackHandler
	GasHandler
	RAMHandler
	VoteHandler
}

Visitor combine of every handler, to be api of database

func NewBatchVisitor 

func NewBatchVisitor(lruDB *LRU) *Visitor

NewBatchVisitor get visitor with mapper

func NewVisitor 

func NewVisitor(cacheLength int, cb IMultiValue, rules *version.Rules) *Visitor

NewVisitor get a visitor of a DB, with cache length determined

type VoteHandler 

type VoteHandler struct {
	BasicHandler
	MapHandler
}

VoteHandler easy to get info of vote.iost and vote_producer.iost

func (*VoteHandler) GetAccountVoteInfo 

func (v *VoteHandler) GetAccountVoteInfo(account string) []*AccountVoteInfo

GetAccountVoteInfo ...

func (*VoteHandler) GetProducerVoteInfo 

func (v *VoteHandler) GetProducerVoteInfo(account string) (*ProducerVoteInfo, error)

GetProducerVoteInfo ...

func (*VoteHandler) GetProducerVotes 

func (v *VoteHandler) GetProducerVotes(account string) (*common.Decimal, error)

GetProducerVotes ...

type WriteCache 

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

WriteCache ...

func NewWriteCache 

func NewWriteCache(db database) *WriteCache

NewWriteCache ...

func (*WriteCache) Del 

func (w *WriteCache) Del(key string)

Del ...

func (*WriteCache) Drop 

func (w *WriteCache) Drop()

Drop ...

func (*WriteCache) Flush 

func (w *WriteCache) Flush()

Flush ...

func (*WriteCache) Get 

func (w *WriteCache) Get(key string) (value string)

Get ...

func (*WriteCache) Has 

func (w *WriteCache) Has(key string) bool

Has ...

func (*WriteCache) Put 

func (w *WriteCache) Put(key, value string)

Put ...

func (*WriteCache) Rules 

func (w *WriteCache) Rules() *version.Rules

Rules ...

Source Files

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