balance

package
v0.13.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 2, 2020 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	TagBalanceData = "data_balance_data"
	TagBalance     = "data_balance"
)

Variables

View Source 
var (
	ErrWrongBalanceAdapter = errors.New("error in asserting to BalanceAdapter")
	ErrDuplicateCurrency   = errors.New("provided currency has already been registered")
	ErrMismatchingCurrency = errors.New("mismatching currencies")

	ErrInsufficientBalance = errors.New("insufficient balance")
)

Functions

func PrintDecimal added in v0.10.8 

func PrintDecimal(i *big.Int, decimal int) string

Types

type Amount added in v0.10.8 

type Amount big.Int

Amount represents an amount of a currency

func NewAmount added in v0.10.8 

func NewAmount(x int64) *Amount

func NewAmountFromBigInt added in v0.12.0 

func NewAmountFromBigInt(x *big.Int) *Amount

func NewAmountFromInt added in v0.10.8 

func NewAmountFromInt(x int64) *Amount

func NewAmountFromString added in v0.10.8 

func NewAmountFromString(x string, base int) (*Amount, error)

NewAmountFromString parses the amount as a string with the given base. For example, if base is 10, then it expects the given string to be base-10 notation. If the base is 16, then it expects the string in hexadecimal notation. If the base is set to 16, it ignores any "0x" prefix if present.

func (*Amount) BigInt added in v0.12.0 

func (a *Amount) BigInt() *big.Int

func (Amount) MarshalJSON added in v0.10.8 

func (a Amount) MarshalJSON() ([]byte, error)

func (Amount) MarshalText added in v0.10.8 

func (a Amount) MarshalText() ([]byte, error)

func (Amount) String added in v0.13.0 

func (a Amount) String() string

func (*Amount) UnmarshalJSON added in v0.10.8 

func (a *Amount) UnmarshalJSON(b []byte) error

func (*Amount) UnmarshalText added in v0.10.8 

func (a *Amount) UnmarshalText(b []byte) error

type Balance 

type Balance struct {
	Amounts map[string]Coin `json:"amounts"`
}

Wrap the amount with owner information

func NewBalance 

func NewBalance() *Balance

Generators

func (*Balance) GetCoin 

func (b *Balance) GetCoin(currency Currency) Coin

methods

func (Balance) String 

func (b Balance) String() string

String method used in fmt and Dump

type Coin 

type Coin struct {
	Currency Currency `json:"currency"`
	Amount   *Amount  `json:"amount,string"`
}
Coin starts here

Coin is the basic amount, specified in integers, at the smallest increment (i.e. a satoshi, not a bitcoin)

func (*Coin) Data 

func (c *Coin) Data() serialize.Data

func (Coin) Divide 

func (coin Coin) Divide(value int) Coin

func (Coin) DivideInt64 added in v0.12.0 

func (coin Coin) DivideInt64(value int64) Coin

func (Coin) Equals 

func (coin Coin) Equals(value Coin) bool

Equals another coin

func (Coin) Humanize added in v0.10.8 

func (coin Coin) Humanize() string

func (Coin) IsCurrency 

func (coin Coin) IsCurrency(currencies ...string) bool

See if the coin is one of a list of currencies

func (Coin) IsValid 

func (coin Coin) IsValid() bool

IsValid coin or is it broken

func (Coin) LessThanCoin 

func (coin Coin) LessThanCoin(value Coin) bool

LessThan, for coins...

func (Coin) LessThanEqualCoin 

func (coin Coin) LessThanEqualCoin(value Coin) bool

LessThanEqual, for coins...

func (Coin) Minus 

func (coin Coin) Minus(value Coin) (Coin, error)

Minus two coins

func (Coin) MultiplyInt 

func (coin Coin) MultiplyInt(value int) Coin

Multiply one coin by another

func (Coin) MultiplyInt64 added in v0.12.0 

func (coin Coin) MultiplyInt64(value int64) Coin

func (*Coin) NewDataInstance 

func (c *Coin) NewDataInstance() serialize.Data

func (Coin) Plus 

func (coin Coin) Plus(value Coin) Coin

Plus two coins

func (*Coin) SetData 

func (c *Coin) SetData(a interface{}) error

func (Coin) String 

func (coin Coin) String() string

Turn a coin into a readable, floating point string with the currency

type CoinData 

type CoinData struct {
	Currency Currency `json:"currency"`
	Amount   []byte   `json:"amount"`
}

func (*CoinData) SerialTag added in v0.10.8 

func (ad *CoinData) SerialTag() string

type Context 

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

func NewContext 

func NewContext(logger *log.Logger, balances *Store, currencies *CurrencySet) *Context

func (*Context) Currencies 

func (ctx *Context) Currencies() *CurrencySet

func (*Context) Store 

func (ctx *Context) Store() *Store

type Currencies added in v0.10.8 

type Currencies []Currency

func (Currencies) GetCurrencySet added in v0.12.0 

func (cs Currencies) GetCurrencySet() *CurrencySet

type Currency 

type Currency struct {
	Id    int64      `json:"id"`
	Name  string     `json:"name"`
	Chain chain.Type `json:"chain"`

	Decimal int64  `json:"decimal"`
	Unit    string `json:"unit"`
}

func (Currency) Base 

func (c Currency) Base() *big.Int

func (Currency) Bytes 

func (c Currency) Bytes() []byte

func (Currency) NewCoinFromAmount added in v0.10.8 

func (c Currency) NewCoinFromAmount(a Amount) Coin

func (Currency) NewCoinFromBytes 

func (c Currency) NewCoinFromBytes(amount []byte) Coin

Create a coin from bytes, the bytes must come from Big.Int.

func (Currency) NewCoinFromFloat64 

func (c Currency) NewCoinFromFloat64(amount float64) Coin

TODO Create a coin from float

func (Currency) NewCoinFromInt 

func (c Currency) NewCoinFromInt(amount int64) Coin

Create a coin from integer (not fractional)

func (Currency) NewCoinFromString added in v0.13.0 

func (c Currency) NewCoinFromString(unitAmount string) Coin

func (Currency) NewCoinFromUnit added in v0.13.0 

func (c Currency) NewCoinFromUnit(unitAmount int64) Coin

type CurrencySet added in v0.12.0 

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

func NewCurrencySet added in v0.12.0 

func NewCurrencySet() *CurrencySet

func (CurrencySet) GetCurrencies added in v0.12.0 

func (c CurrencySet) GetCurrencies() Currencies

func (*CurrencySet) GetCurrencyById added in v0.12.0 

func (cl *CurrencySet) GetCurrencyById(id int64) (Currency, bool)

func (*CurrencySet) GetCurrencyByName added in v0.12.0 

func (cl *CurrencySet) GetCurrencyByName(name string) (Currency, bool)

func (CurrencySet) Len added in v0.12.0 

func (cl CurrencySet) Len() int

func (*CurrencySet) Register added in v0.12.0 

func (cl *CurrencySet) Register(c Currency) error

type Store 

type Store struct {
	State *storage.State
	// contains filtered or unexported fields
}

func NewStore 

func NewStore(prefix string, state *storage.State) *Store

func (*Store) AddToAddress added in v0.12.0 

func (st *Store) AddToAddress(addr keys.Address, coin Coin) error

func (*Store) CheckBalanceFromAddress added in v0.12.0 

func (st *Store) CheckBalanceFromAddress(addr keys.Address, coin Coin) error

func (*Store) GetBalance added in v0.12.0 

func (st *Store) GetBalance(address keys.Address, list *CurrencySet) (balance *Balance, err error)

func (*Store) GetBalanceForCurr added in v0.13.0 

func (st *Store) GetBalanceForCurr(address keys.Address, curr *Currency) (coin Coin, err error)

func (*Store) IterateAll added in v0.13.0 

func (st *Store) IterateAll(fn func(addr keys.Address, c string, amt Amount) bool) bool

func (*Store) MinusFromAddress added in v0.12.0 

func (st *Store) MinusFromAddress(addr keys.Address, coin Coin) error

func (*Store) WithState added in v0.12.0 

func (st *Store) WithState(state *storage.State) *Store

Source Files

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