fee

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 Go to latest Published: Mar 26, 2021 License: GPL-3.0 Imports: 8 Imported by: 0

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Overview

ZooBC Copyright (C) 2020 Quasisoft Limited - Hong Kong This file is part of ZooBC <https://github.com/zoobc/zoobc-core>

ZooBC 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.

ZooBC 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 ZooBC. If not, see <http://www.gnu.org/licenses/>.

Additional Permission Under GNU GPL Version 3 section 7. As the special exception permitted under Section 7b, c and e, in respect with the Author’s copyright, please refer to this section:

  1. You are free to convey this Program according to GNU GPL Version 3, as long as you respect and comply with the Author’s copyright by showing in its user interface an Appropriate Notice that the derivate program and its source code are “powered by ZooBC”. This is an acknowledgement for the copyright holder, ZooBC, as the implementation of appreciation of the exclusive right of the creator and to avoid any circumvention on the rights under trademark law for use of some trade names, trademarks, or service marks.
  1. Complying to the GNU GPL Version 3, you may distribute the program without any permission from the Author. However a prior notification to the authors will be appreciated.

ZooBC is architected by Roberto Capodieci & Barton Johnston 

contact us at roberto.capodieci[at]blockchainzoo.com
and barton.johnston[at]blockchainzoo.com

Core developers that contributed to the current implementation of the software are: 

Ahmad Ali Abdilah ahmad.abdilah[at]blockchainzoo.com
Allan Bintoro allan.bintoro[at]blockchainzoo.com
Andy Herman
Gede Sukra
Ketut Ariasa
Nawi Kartini nawi.kartini[at]blockchainzoo.com
Stefano Galassi stefano.galassi[at]blockchainzoo.com

IMPORTANT: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

ZooBC Copyright (C) 2020 Quasisoft Limited - Hong Kong This file is part of ZooBC <https://github.com/zoobc/zoobc-core>

ZooBC 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.

ZooBC 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 ZooBC. If not, see <http://www.gnu.org/licenses/>.

Additional Permission Under GNU GPL Version 3 section 7. As the special exception permitted under Section 7b, c and e, in respect with the Author’s copyright, please refer to this section:

  1. You are free to convey this Program according to GNU GPL Version 3, as long as you respect and comply with the Author’s copyright by showing in its user interface an Appropriate Notice that the derivate program and its source code are “powered by ZooBC”. This is an acknowledgement for the copyright holder, ZooBC, as the implementation of appreciation of the exclusive right of the creator and to avoid any circumvention on the rights under trademark law for use of some trade names, trademarks, or service marks.
  1. Complying to the GNU GPL Version 3, you may distribute the program without any permission from the Author. However a prior notification to the authors will be appreciated.

ZooBC is architected by Roberto Capodieci & Barton Johnston 

contact us at roberto.capodieci[at]blockchainzoo.com
and barton.johnston[at]blockchainzoo.com

Core developers that contributed to the current implementation of the software are: 

Ahmad Ali Abdilah ahmad.abdilah[at]blockchainzoo.com
Allan Bintoro allan.bintoro[at]blockchainzoo.com
Andy Herman
Gede Sukra
Ketut Ariasa
Nawi Kartini nawi.kartini[at]blockchainzoo.com
Stefano Galassi stefano.galassi[at]blockchainzoo.com

IMPORTANT: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

ZooBC Copyright (C) 2020 Quasisoft Limited - Hong Kong This file is part of ZooBC <https://github.com/zoobc/zoobc-core>

ZooBC 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.

ZooBC 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 ZooBC. If not, see <http://www.gnu.org/licenses/>.

Additional Permission Under GNU GPL Version 3 section 7. As the special exception permitted under Section 7b, c and e, in respect with the Author’s copyright, please refer to this section:

  1. You are free to convey this Program according to GNU GPL Version 3, as long as you respect and comply with the Author’s copyright by showing in its user interface an Appropriate Notice that the derivate program and its source code are “powered by ZooBC”. This is an acknowledgement for the copyright holder, ZooBC, as the implementation of appreciation of the exclusive right of the creator and to avoid any circumvention on the rights under trademark law for use of some trade names, trademarks, or service marks.
  1. Complying to the GNU GPL Version 3, you may distribute the program without any permission from the Author. However a prior notification to the authors will be appreciated.

ZooBC is architected by Roberto Capodieci & Barton Johnston 

contact us at roberto.capodieci[at]blockchainzoo.com
and barton.johnston[at]blockchainzoo.com

Core developers that contributed to the current implementation of the software are: 

Ahmad Ali Abdilah ahmad.abdilah[at]blockchainzoo.com
Allan Bintoro allan.bintoro[at]blockchainzoo.com
Andy Herman
Gede Sukra
Ketut Ariasa
Nawi Kartini nawi.kartini[at]blockchainzoo.com
Stefano Galassi stefano.galassi[at]blockchainzoo.com

IMPORTANT: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

ZooBC Copyright (C) 2020 Quasisoft Limited - Hong Kong This file is part of ZooBC <https://github.com/zoobc/zoobc-core>

ZooBC 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.

ZooBC 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 ZooBC. If not, see <http://www.gnu.org/licenses/>.

Additional Permission Under GNU GPL Version 3 section 7. As the special exception permitted under Section 7b, c and e, in respect with the Author’s copyright, please refer to this section:

  1. You are free to convey this Program according to GNU GPL Version 3, as long as you respect and comply with the Author’s copyright by showing in its user interface an Appropriate Notice that the derivate program and its source code are “powered by ZooBC”. This is an acknowledgement for the copyright holder, ZooBC, as the implementation of appreciation of the exclusive right of the creator and to avoid any circumvention on the rights under trademark law for use of some trade names, trademarks, or service marks.
  1. Complying to the GNU GPL Version 3, you may distribute the program without any permission from the Author. However a prior notification to the authors will be appreciated.

ZooBC is architected by Roberto Capodieci & Barton Johnston 

contact us at roberto.capodieci[at]blockchainzoo.com
and barton.johnston[at]blockchainzoo.com

Core developers that contributed to the current implementation of the software are: 

Ahmad Ali Abdilah ahmad.abdilah[at]blockchainzoo.com
Allan Bintoro allan.bintoro[at]blockchainzoo.com
Andy Herman
Gede Sukra
Ketut Ariasa
Nawi Kartini nawi.kartini[at]blockchainzoo.com
Stefano Galassi stefano.galassi[at]blockchainzoo.com

IMPORTANT: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

ZooBC Copyright (C) 2020 Quasisoft Limited - Hong Kong This file is part of ZooBC <https://github.com/zoobc/zoobc-core>

ZooBC 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.

ZooBC 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 ZooBC. If not, see <http://www.gnu.org/licenses/>.

Additional Permission Under GNU GPL Version 3 section 7. As the special exception permitted under Section 7b, c and e, in respect with the Author’s copyright, please refer to this section:

  1. You are free to convey this Program according to GNU GPL Version 3, as long as you respect and comply with the Author’s copyright by showing in its user interface an Appropriate Notice that the derivate program and its source code are “powered by ZooBC”. This is an acknowledgement for the copyright holder, ZooBC, as the implementation of appreciation of the exclusive right of the creator and to avoid any circumvention on the rights under trademark law for use of some trade names, trademarks, or service marks.
  1. Complying to the GNU GPL Version 3, you may distribute the program without any permission from the Author. However a prior notification to the authors will be appreciated.

ZooBC is architected by Roberto Capodieci & Barton Johnston 

contact us at roberto.capodieci[at]blockchainzoo.com
and barton.johnston[at]blockchainzoo.com

Core developers that contributed to the current implementation of the software are: 

Ahmad Ali Abdilah ahmad.abdilah[at]blockchainzoo.com
Allan Bintoro allan.bintoro[at]blockchainzoo.com
Andy Herman
Gede Sukra
Ketut Ariasa
Nawi Kartini nawi.kartini[at]blockchainzoo.com
Stefano Galassi stefano.galassi[at]blockchainzoo.com

IMPORTANT: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

Index

Constants

View Source 
const (
	// SendZBCFeeConstant value of initial / constant send zbc fee
	SendZBCFeeConstant        = constant.OneZBC / 100
	InitialFeeScale           = constant.OneZBC / 100
	FeeScaleLowerConstraints  = 0.5
	FeeScaleUpperConstraints  = 2.0
	FeePerCharacterMultiplier = float64(0.1) // so with initial fee, 1000 char would require 1ZBC
	EscrowLifetimeDivider     = 24           // 24 hours
)

Variables

This section is empty.

Functions

func CalculateTxMinimumFee 

func CalculateTxMinimumFee(tx *model.Transaction, feeScale int64) (int64, error)

CalculateTxMinimumFee calculate the minimum fee for the given transaction

Types

type BlockLifeTimeFeeModel 

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

BlockLifeTimeFeeModel will calculate the transaction fee based on expected lifetime on the chain. `timeout` field must be present in the transaction body

func NewBlockLifeTimeFeeModel 

func NewBlockLifeTimeFeeModel(
	blockPeriod, feePerBlockPeriod int64,
) *BlockLifeTimeFeeModel

func (*BlockLifeTimeFeeModel) CalculateTxMinimumFee 

func (blt *BlockLifeTimeFeeModel) CalculateTxMinimumFee(
	txBody model.TransactionBodyInterface, tx *model.Transaction,
) (int64, error)

type ConstantFeeModel 

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

ConstantFeeModel is fee that'll be set as a constant number

func NewConstantFeeModel 

func NewConstantFeeModel(constantFee int64) *ConstantFeeModel

func (*ConstantFeeModel) CalculateTxMinimumFee 

func (cfm *ConstantFeeModel) CalculateTxMinimumFee(
	model.TransactionBodyInterface, *model.Transaction,
) (int64, error)

type FeeModelInterface 

type FeeModelInterface interface {
	CalculateTxMinimumFee(txBody model.TransactionBodyInterface, tx *model.Transaction) (int64, error)
}

type FeeScaleService 

type FeeScaleService struct {
	FeeScaleQuery         query.FeeScaleQueryInterface
	MainBlockStateStorage storage.CacheStorageInterface
	Executor              query.ExecutorInterface
	// contains filtered or unexported fields
}

func NewFeeScaleService 

func NewFeeScaleService(
	feeScaleQuery query.FeeScaleQueryInterface,
	mainBlockStateStorage storage.CacheStorageInterface,
	executor query.ExecutorInterface,
) *FeeScaleService

func (*FeeScaleService) GetCurrentPhase 

func (fss *FeeScaleService) GetCurrentPhase(
	blockTimestamp int64,
	isPostTransaction bool,
) (phase model.FeeVotePhase, canAdjust bool, err error)

GetCurrentPhase require 2 parameters the blockTimestamp (when pushBlock) or currentTimestamp (when postTransaction) and isPostTransaction parameter when set true will not update the cache, and blockTimestamp need to be filled with node's current timestamp instead todo: @andy-shi88 discard `isPostTransaction` parameter as there is no way to flag that in validate function with current state of the code

func (*FeeScaleService) GetLatestFeeScale 

func (fss *FeeScaleService) GetLatestFeeScale(feeScale *model.FeeScale) error

GetLatestFeeScale return the latest agreed fee-scale value and cached

func (*FeeScaleService) InsertFeeScale 

func (fss *FeeScaleService) InsertFeeScale(feeScale *model.FeeScale) error

InsertFeeScale insert newly agreed feeScale value must be called in database transaction

func (*FeeScaleService) SelectVote 

func (fss *FeeScaleService) SelectVote(votes []*model.FeeVoteInfo, originalSendZBCFee int64) int64

SelectVote return the scaled vote relative to original / unscaled send-zbc fee

type FeeScaleServiceInterface 

type FeeScaleServiceInterface interface {
	InsertFeeScale(feeScale *model.FeeScale) error
	GetLatestFeeScale(feeScale *model.FeeScale) error
	GetCurrentPhase(
		blockTimestamp int64,
		isPostTransaction bool,
	) (phase model.FeeVotePhase, canAdjust bool, err error)
	SelectVote(votes []*model.FeeVoteInfo, originalSendZBCFee int64) int64
}

Source Files

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