FEIP27V1_NoticeFee(en-US)

[昌用]

FEIP27: NoticeFee
Version: 1
Language: en-US
Author: C_armX
Status: draft
Created date: 2021-04-26
Last modified date：2022-04-24
PID: unknown
TXID: Unpublished

FEIP27V1_NoticeFee(en-US)

Contents

Introduction

General rules of FEIP type protocols

Rules specific to this protocol

Declare

Introduction

Protocol type: FEIP
Serial number: 27
Protocol name: NoticeFee
Version: 1
Description : A identity declares the minimum payment amount with which it is willing to receive the on-chain message notifications.
Author: C_armX
Language: en-US
Previous version PID:

General consensus of FEIP type protocols

1. Write important data in OP_RETURN for public witness under FEIP type protocols.

2. The SIGHASH flag of all transaction inputs is ‘ALL’ (value 0x01).

3. The max size of OP_RETURN : 4096 bytes.

4. The format of the data in op_return: JSON.

5. Encoding : utf-8.

Consensus of this protocol

1. Notice fee refers to the minimum payment amount that an indentity is willing to receive the on-chain message notifications.

2. An address can declare its notice fee in op_return in accordance with this protocol.

3. When there are multiple inputs, the notice fee is for the address of the first input.

4. When a new notice fee is declared, the old one is automatically cancelled.

declare

The OP_RETURN of which contains the data as follows:

field number	field name	type	length	content	required
1	type	String	4	Fixed: "FEIP"<br>Case insensitive	Y
2	sn	int	2	Serial number<br>Fixed: 27	Y
3	ver	int	1	Fixed: 1	Y
4	name	String	8	Fixed: "NoticeFee"<br>Case insensitive	N
5	pid	hex	32	Sha256 value of this protocol file	N
6	data.noticeFee	float64	8	Amout of fch<br>Up to 8 decimal places	Y

Example

{
    "type": "FEIP",
    "sn": 27,
    "ver": 1,
    "name": "NoticeFee",
    "pid": "",
    "data":{"noticeFee":0.0001}
}