asset

Documentation

Overview

Copyright 2018 The Fractal Team Authors This file is part of the fractal project.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.

Index

• Variables
• type Asset
  • func NewAsset(sdb *state.StateDB) *Asset
  • func (a *Asset) DestoryAsset(accountName common.Name, assetId uint64, amount *big.Int) error
  • func (a *Asset) GetAllAssetObject() ([]*AssetObject, error)
  • func (a *Asset) GetAssetAmountByTime(assetID uint64, time uint64) (*big.Int, error)
  • func (a *Asset) GetAssetFounderById(id uint64) (common.Name, error)
  • func (a *Asset) GetAssetIdByName(assetName string) (uint64, error)
  • func (a *Asset) GetAssetObjectById(id uint64) (*AssetObject, error)
  • func (a *Asset) GetAssetObjectByName(assetName string) (*AssetObject, error)
  • func (a *Asset) GetAssetObjectByTime(assetID uint64, time uint64) (*AssetObject, error)
  • func (a *Asset) IncreaseAsset(accountName common.Name, assetId uint64, amount *big.Int) error
  • func (a *Asset) InitAssetCount()
  • func (a *Asset) IssueAsset(assetName string, symbol string, amount *big.Int, dec uint64, ...) error
  • func (a *Asset) IssueAssetObject(ao *AssetObject) (uint64, error)
  • func (a *Asset) SetAssetFounder(accountName common.Name, assetId uint64, founderName common.Name) error
  • func (a *Asset) SetAssetNewOwner(accountName common.Name, assetId uint64, newOwner common.Name) error
  • func (a *Asset) SetAssetObject(ao *AssetObject) error
• type AssetIf
• type AssetObject
  • func NewAssetObject(assetName string, symbol string, amount *big.Int, dec uint64, ...) (*AssetObject, error)
  • func (ao *AssetObject) GetAssetAddIssue() *big.Int
  • func (ao *AssetObject) GetAssetAmount() *big.Int
  • func (ao *AssetObject) GetAssetFounder() common.Name
  • func (ao *AssetObject) GetAssetId() uint64
  • func (ao *AssetObject) GetAssetName() string
  • func (ao *AssetObject) GetAssetOwner() common.Name
  • func (ao *AssetObject) GetDecimals() uint64
  • func (ao *AssetObject) GetSymbol() string
  • func (ao *AssetObject) GetUpperLimit() *big.Int
  • func (ao *AssetObject) SetAssetAddIssue(amount *big.Int)
  • func (ao *AssetObject) SetAssetAmount(amount *big.Int)
  • func (ao *AssetObject) SetAssetFounder(f common.Name)
  • func (ao *AssetObject) SetAssetId(assetId uint64)
  • func (ao *AssetObject) SetAssetName(assetName string)
  • func (ao *AssetObject) SetAssetOwner(owner common.Name)
  • func (ao *AssetObject) SetDecimals(dec uint64)
  • func (ao *AssetObject) SetSymbol(sym string)

Variables

var (
	ErrAccountNameNull    = errors.New("account name is null")
	ErrAssetIsExist       = errors.New("asset is exist")
	ErrAssetNotExist      = errors.New("asset not exist")
	ErrOwnerMismatch      = errors.New("asset owner mismatch")
	ErrAssetNameEmpty     = errors.New("asset name is empty")
	ErrAssetObjectEmpty   = errors.New("asset object is empty")
	ErrNewAssetObject     = errors.New("create asset object input invalid")
	ErrAssetAmountZero    = errors.New("asset amount is zero")
	ErrUpperLimit         = errors.New("asset amount over the issuance limit")
	ErrDestoryLimit       = errors.New("asset destroy exceeding the lower limit")
	ErrAssetCountNotExist = errors.New("asset total count not exist")
	ErrAssetIdInvalid     = errors.New("asset id invalid")
)

Types

type Asset

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

func NewAsset

func NewAsset(sdb *state.StateDB) *Asset

New create Asset

func (*Asset) DestoryAsset

func (a *Asset) DestoryAsset(accountName common.Name, assetId uint64, amount *big.Int) error

destory asset

func (*Asset) GetAllAssetObject

func (a *Asset) GetAllAssetObject() ([]*AssetObject, error)

func (*Asset) GetAssetAmountByTime

func (a *Asset) GetAssetAmountByTime(assetID uint64, time uint64) (*big.Int, error)

GetAssetAmountByTime get asset amount by time

func (*Asset) GetAssetFounderById

func (a *Asset) GetAssetFounderById(id uint64) (common.Name, error)

get asset founder by id

func (*Asset) GetAssetIdByName

func (a *Asset) GetAssetIdByName(assetName string) (uint64, error)

get assset id by asset name

func (*Asset) GetAssetObjectById

func (a *Asset) GetAssetObjectById(id uint64) (*AssetObject, error)

get asset by asset id

func (*Asset) GetAssetObjectByName

func (a *Asset) GetAssetObjectByName(assetName string) (*AssetObject, error)

get asset object by name

func (*Asset) GetAssetObjectByTime

func (a *Asset) GetAssetObjectByTime(assetID uint64, time uint64) (*AssetObject, error)

GetAssetObjectByTime get asset object by time

func (*Asset) IncreaseAsset

func (a *Asset) IncreaseAsset(accountName common.Name, assetId uint64, amount *big.Int) error

increase asset

func (*Asset) InitAssetCount

func (a *Asset) InitAssetCount()

InitAssetCount init asset count

func (*Asset) IssueAsset

func (a *Asset) IssueAsset(assetName string, symbol string, amount *big.Int, dec uint64, founder common.Name, owner common.Name, limit *big.Int) error

issue asset

func (*Asset) IssueAssetObject

func (a *Asset) IssueAssetObject(ao *AssetObject) (uint64, error)

Issue Asset Object

func (*Asset) SetAssetFounder

func (a *Asset) SetAssetFounder(accountName common.Name, assetId uint64, founderName common.Name) error

asset founder

func (*Asset) SetAssetNewOwner

func (a *Asset) SetAssetNewOwner(accountName common.Name, assetId uint64, newOwner common.Name) error

change asset owner

func (*Asset) SetAssetObject

func (a *Asset) SetAssetObject(ao *AssetObject) error

add an asset and store into database

type AssetIf

type AssetIf interface {
	GetAssetIdByName(assetName common.Name) (uint64, error)
	GetAllAssetObject() []*AssetObject
	IssueAssetObject(ao *AssetObject) (uint64, error)
	IssueAsset(assetName common.Name, symbol string, amount *big.Int, owner common.Name) error
	IncreaseAsset(accountName common.Name, assetId uint64, amount *big.Int) error
	SetAssetNewOwner(accountName common.Name, assetId uint64, newOwner common.Name) error
}

export

type AssetObject

type AssetObject struct {
	AssetId    uint64      `json:"assetid,omitempty"`
	AssetName  string      `json:"assetname,omitempty"`
	Symbol     string      `json:"symbol,omitempty"`
	Amount     *big.Int    `json:"amount,omitempty"`
	Decimals   uint64      `json:"decimals,omitempty"`
	Founder    common.Name `json:"founder,omitempty"`
	Owner      common.Name `json:"owner,omitempty"`
	AddIssue   *big.Int    `json:"AddIssue,omitempty"`
	UpperLimit *big.Int    `json:"UpperLimit,omitempty"`
}

func NewAssetObject

func NewAssetObject(assetName string, symbol string, amount *big.Int, dec uint64, founder common.Name, owner common.Name, limit *big.Int) (*AssetObject, error)

func (*AssetObject) GetAssetAddIssue

func (ao *AssetObject) GetAssetAddIssue() *big.Int

func (*AssetObject) GetAssetAmount

func (ao *AssetObject) GetAssetAmount() *big.Int

func (*AssetObject) GetAssetFounder

func (ao *AssetObject) GetAssetFounder() common.Name

func (*AssetObject) GetAssetId

func (ao *AssetObject) GetAssetId() uint64

func (*AssetObject) GetAssetName

func (ao *AssetObject) GetAssetName() string

func (*AssetObject) GetAssetOwner

func (ao *AssetObject) GetAssetOwner() common.Name

func (*AssetObject) GetDecimals

func (ao *AssetObject) GetDecimals() uint64

func (*AssetObject) GetSymbol

func (ao *AssetObject) GetSymbol() string

func (*AssetObject) GetUpperLimit

func (ao *AssetObject) GetUpperLimit() *big.Int

func (*AssetObject) SetAssetAddIssue

func (ao *AssetObject) SetAssetAddIssue(amount *big.Int)

func (*AssetObject) SetAssetAmount

func (ao *AssetObject) SetAssetAmount(amount *big.Int)

func (*AssetObject) SetAssetFounder

func (ao *AssetObject) SetAssetFounder(f common.Name)

func (*AssetObject) SetAssetId

func (ao *AssetObject) SetAssetId(assetId uint64)

func (*AssetObject) SetAssetName

func (ao *AssetObject) SetAssetName(assetName string)

func (*AssetObject) SetAssetOwner

func (ao *AssetObject) SetAssetOwner(owner common.Name)

func (*AssetObject) SetDecimals

func (ao *AssetObject) SetDecimals(dec uint64)

func (*AssetObject) SetSymbol

func (ao *AssetObject) SetSymbol(sym string)