FEIP16V1_Reputation(en-US)

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FEIP16: Reputation
Version: 1
Language: en-US
Author: C_armX, Deisler-JJ_Sboy
Status: draft
Created date: 2021-02-5
Last modified date：2022-12-31
PID: ""
TXID:

FEIP16V1_Reputation(en-US)

Introduction

Protocol type: FEIP
Serial number: 16
Protocol name: Reputation
Version: 1
Description : Evaluate an CID to increase/decrease its reputation.
Author: Deisler-JJ_Sboy，C_armX
Language: en-US

General consensus of FEIP type protocols

Write important data in OP_RETURN for public witness under FEIP type protocols.
The SIGHASH flag of all transaction inputs is ‘ALL’ (value 0x01).
The max size of OP_RETURN : 4096 bytes.
The format of the data in op_return: JSON.
Encoding : utf-8.

Consensus of this protocol

FEIP16 provides a way for an CID to evaluate other CIDs.
Rating someone on chain consumes CoinDays.
The rating can be Positive（“+”） or Negative("-"), and The measure unit of an rating is CoinDays.
The quantity of an rating is all the CoinDays Destoryed(CDD) in the transaction.For example: "100 CoinDays Negative rating" can be marked as "-100cd", and "88 CoinDays positive rating" can be marked as "88cd" or "+88cd".
The rater is the first input address,and the ratee is the addrsee of the first output other than OP_RETURN output and rater.
Anyone can't rate itself.
When rating, the field data.cause is used to record the thing causing the rating in format of "object name:object value" , such as "sid:a246f36574f039460063f626f023c2e13a4d184c89279795539be220e9402643".

OP_RETURN

The OP_RETURN of which contains the data as follows:

field number	field name	type	length	content	required
1	type	String	4	Fixed: "FEIP"	Y
2	sn	int	2	Serial number<br>Fixed: 16	Y
3	ver	int	1	Fixed: 1	Y
4	name	String	10	Fixed: "Reputation"	N
5	pid	hex	32	Sha256 value of this protocol file	N
6	data.sign	string	1	must be "+" or "-"	Y
7	data.cause	string	1	The cause of rating. Format: "object name:object value"	N

Example of positive rating


First Input address: FPL44YJRwPdd2ipziFvqq6y2tw4VnVvpAv
First output address: FS2AWq1dgdhCpNTwqfBbMBBJGNNj1LSboy

OP_RETURN content:
{
    "type": "FEIP",
    "sn": 16,
    "ver": 1,
    "name": "Reputation",
    "pid": "",
    "data":{
        "sign": "+",
        "cause": "sid:a246f36574f039460063f626f023c2e13a4d184c89279795539be220e9402643"
        }
}

Example of negative rating


First Input address: FPL44YJRwPdd2ipziFvqq6y2tw4VnVvpAv
First output address: FS2AWq1dgdhCpNTwqfBbMBBJGNNj1LSboy

OP_RETURN content:

{
    "type": "FEIP",
    "sn": 3,
    "ver": 4,
    "name": "Reputation",
    "pid": "",
    "data":{
        "sign": "-",
        "cause": "sid:a246f36574f039460063f626f023c2e13a4d184c89279795539be220e9402643"
        }
}

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FEIP16V1_Reputation(en-US)

FEIP16V1_Reputation(en-US)

Contents

Introduction

General consensus of FEIP type protocols

Consensus of this protocol

OP_RETURN

Example of positive rating

Example of negative rating