FAuction

A fully GUI-driven auction house plugin for Minecraft Paper servers.
Browse, sell, search, and manage auctions — all from intuitive in-game menus.

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Features

100% GUI-based — every interaction happens through fully configurable chest menus; no complex command trees to memorize.
Single command entry point — /ah (or /hdv) opens the auction house; subcommands handle selling, searching, and administration.
Multiple currency modes — pay with Vault economy, player experience points, or experience levels.
Robust database support — SQLite out of the box, with MySQL, MariaDB, and PostgreSQL for production setups (powered by HikariCP connection pooling).
Category filtering — browse auctions by material groups: weapons, tools, armor, blocks, food, potions, ores, shulker boxes, and more.
Flexible sorting — sort listings by date (newest/oldest) or by price (lowest/highest).
Search by material — quickly find auctions for a specific item type.
Auction expiration — items automatically expire after a configurable duration and move to a collection inbox.
Purchase confirmation — a dedicated confirmation GUI prevents accidental purchases.
Transaction history — players can review past purchases.
Player view — see only your own active listings at a glance.
Price controls — enforce per-item minimum and maximum prices, including content-aware pricing for shulker boxes.
Listing limits — cap the number of active auctions per player, configurable by rank or LuckPerms meta.
Item blacklist — prevent specific materials from being sold.
Anti-spam protection — built-in packet spam guard to prevent GUI abuse.
Duplication protection — optional hashcode-based control to prevent item duplication exploits.
Custom commands on purchase — execute server commands when an item is bought.
Cached data — background scheduled tasks keep auction data cached for fast GUI rendering.
Multi-language — ships with English, French, Russian, and Simplified Chinese translations; easily add your own.
PlaceholderAPI support — expose auction stats as placeholders for scoreboards, tab lists, etc.
bStats metrics — anonymous usage statistics for plugin insights.

Requirements

Requirement	Version
Minecraft	1.13+
Server	Paper (or forks)
Java	21 or newer

Optional dependencies:

Plugin	Purpose
Vault	Economy integration (Vault currency mode)
PlaceholderAPI	In-game placeholders
LuckPerms	Per-rank auction limits via meta

Installation

Download the latest JAR from the Releases page.
Place fauction-x.x.x.jar in your server's plugins/ folder.
Start (or restart) the server to generate default configuration files.
Edit the configuration files in plugins/FAuction/ to your liking (see Configuration).
Run /ah admin reload in-game or restart the server to apply changes.

Commands

All commands use the /ah alias (or /hdv).

Player Commands

Command	Description
`/ah`	Open the default auction GUI (configurable)
`/ah list`	Open the auction house browser
`/ah sell <price>`	Sell the item in your main hand at the given price
`/ah search <material>`	Search auctions by item material (e.g. `DIAMOND_SWORD`)
`/ah expire`	View and collect your expired items
`/ah help`	Show the command help menu

Admin Commands

Command	Description
`/ah admin reload`	Reload all configuration files
`/ah admin purge all`	Purge all auctions, expired items, and history
`/ah admin purge auction`	Purge all active auctions
`/ah admin purge expire`	Purge all expired items
`/ah admin purge historic`	Purge all transaction history
`/ah admin transfertToPaper`	Migrate database items to Paper serialization
`/ah admin transfertToBukkit`	Migrate database items to Bukkit serialization
`/ah admin migrate <version>`	Run data migration for a specific version

Permissions

Player Permissions

Permission	Description	Default
`fauction.user`	Parent — grants all children	`op`
`fauction.list`	Open the auction GUI	—
`fauction.sell`	Sell items on the auction	—
`fauction.expire`	View expired items	—
`fauction.search`	Search auctions by material	—

Admin Permissions

Permission	Description
`fauction.admin.reload`	Reload plugin configuration
`fauction.admin.purge.all`	Purge all data
`fauction.admin.purge.auction`	Purge active auctions
`fauction.admin.purge.expire`	Purge expired items
`fauction.admin.purge.hictoric`	Purge transaction history
`fauction.admin.transfertBddToPaper`	Migrate DB serialization format
`fauction.admin.migrate`	Run version migrations

Configuration

All configuration files are generated in plugins/FAuction/ on first startup.

Main Configuration (`config.yml`)

lang: "en"                         # Language file to use (en, fr, ru, zhcn)
currencyUse: VAULT                 # VAULT, EXPERIENCE, or LEVEL

defaultGui: AUCTION                # Default GUI: AUCTION, EXPIRE, HISTORIC, PLAYER, or MENU:<name>

feature-flipping:
  item-expiration: true            # Enable automatic auction expiration
  cache-update: true               # Enable periodic cache refresh
  money-format: false              # Format currency values with decimal pattern
  duplication-hashcode-control: false  # Extra duplication prevention

expiration:
  time: 3600                       # Expiration time in seconds (default: 1 hour)
  checkEvery: 72000                # Check interval in ticks (default: 1 hour)

limitations-use-meta-luckperms: false  # Use LuckPerms meta for auction limits
limitations:                       # Max active auctions per permission group
  default: 5

min-price-default:                 # Global minimum price per item
  enable: false
  value: 0
max-price-default:                 # Global maximum price per item
  enable: false
  value: 100000000

min-price:                         # Per-material minimum price
  COBBLESTONE: 0.5
max-price:                         # Per-material maximum price
  COBBLESTONE: 5

item-blacklist: []                 # Materials that cannot be auctioned

securityForSpammingPacket: true    # Anti-spam protection

Database (`database.yml`)

FAuction supports SQLite, MySQL, MariaDB, and PostgreSQL.

database:
  type: SQLite                     # SQLite, MySQL, MariaDB, PostgreSQL
  url: "jdbc:sqlite:plugins/FAuction/database.db"
  user: "root"
  password: ""
  maximumPoolSize: 50              # HikariCP connection pool size

MySQL example:

database:
  type: MySQL
  url: "jdbc:mysql://localhost:3306/fauction"
  user: "minecraft"
  password: "s3cret"
  maximumPoolSize: 10

Categories (`categories.yml`)

Define material groups for the category filter in the auction GUI.

categories:
  'default':
    displayName: "All"
    materials:
      - ALL
  'weapons':
    displayName: "Weapons"
    materials:
      - WEAPONS
  'armor':
    displayName: "Armor"
    materials:
      - ARMOR
  'tools':
    displayName: "Tools"
    materials:
      - TOOLS
  'food':
    displayName: "Food & Drinks"
    materials:
      - FOOD
  'blocks':
    displayName: "Building Blocks"
    materials:
      - BLOCKS
  # ... add your own categories with individual materials

Categories support both group keywords (WEAPONS, ARMOR, TOOLS, BLOCKS, FOOD, POTIONS, MISC, CUSTOM, ALL) and individual materials (e.g. DIAMOND_SWORD, OAK_LOG).

Sorting (`sort.yml`)

Configure available sort options in the auction GUI.

sort:
  'DEFAULT':
    displayName: "By date (Newer to Older)"
    type: DATE_NEWER_TO_OLDER
  'DATE_OLDER_TO_NEWER':
    displayName: "By date (Older to Newer)"
    type: DATE_OLDER_TO_NEWER
  'PRICE_LOWER_TO_HIGHER':
    displayName: "By price (Lower to Higher)"
    type: PRICE_LOWER_TO_HIGHER
  'PRICE_HIGHER_TO_LOWER':
    displayName: "By price (Higher to Lower)"
    type: PRICE_HIGHER_TO_LOWER

GUI Customization

Every GUI screen is fully configurable through YAML files in plugins/FAuction/gui/:

File	Screen
`auction.yml`	Main auction browser
`auctionConfirm.yml`	Purchase confirmation dialog
`expire.yml`	Expired items collection
`historic.yml`	Transaction history viewer
`playerView.yml`	Player's own active listings
`menus/main.yml`	Custom main menu (when `defaultGui: MENU:main`)

Each file lets you configure:

Layout — inventory size, slot assignments, and utility types per slot
Materials and textures — icon materials, player head textures
Titles and descriptions — fully customizable with color codes and placeholders
Navigation — previous/next page buttons with replacement items when unavailable

Available placeholders in GUI descriptions:

Placeholder	Value
`{ItemName}`	Item display name
`{OwnerName}`	Seller's player name
`{Price}`	Listing price
`{ExpireTime}`	Expiration date
`{RemainingTime}`	Time remaining until expiry
`{Page}` / `{TotalPage}`	Current and total page numbers
`{TotalSale}`	Total number of active listings
`{categoryDisplayName}`	Current category filter name
`{sortDisplayName}`	Current sort method name
`{lore}`	Original item lore

Languages

FAuction ships with four language files:

lang_en.yml — English
lang_fr.yml — French
lang_ru.yml — Russian
lang_zhcn.yml — Simplified Chinese

Set the active language in config.yml with the lang key. You can create additional translation files following the same naming pattern (lang_<code>.yml).

Integrations

Vault

When currencyUse is set to VAULT, FAuction uses the Vault economy API for all transactions. Any Vault-compatible economy plugin (EssentialsX Economy, CMI, etc.) will work.

PlaceholderAPI

When PlaceholderAPI is installed, the following placeholders become available:

Placeholder	Returns
`%fauction_auction_number%`	Number of the player's active auction listings
`%fauction_expire_number%`	Number of the player's expired items
`%fauction_historic_number%`	Number of the player's transaction history entries

LuckPerms

Enable limitations-use-meta-luckperms: true in config.yml to control per-player auction limits through LuckPerms meta values instead of the static config-based approach.

Developer API

FAuction exposes a static API instance and fires custom Bukkit events that other plugins can listen to.

Accessing the API

FAuction api = FAuction.getApi();

Custom Events

Listen to these events using the standard Bukkit event system:

Event	Fired when...	Key data
`AuctionAddEvent`	A player lists a new item for sale	Player, ItemStack, price
`AuctionBuyEvent`	A player purchases an auction	Player, auction details
`AuctionCancelEvent`	A player cancels their own listing	Player, auction details
`ExpireAddEvent`	An auction expires and moves to the inbox	Expired item details
`ExpireRemoveEvent`	A player collects an expired item	Expired item details
`CacheReloadEvent`	The auction cache is refreshed	Updated auction list
`CacheHistoricReloadEvent`	The history cache is refreshed	Updated history list

Example listener:

@EventHandler
public void onAuctionBuy(AuctionBuyEvent event) {
    Player buyer = event.getPlayer();
    getLogger().info(buyer.getName() + " purchased an item from the auction house!");
}

Maven Dependency

FAuction is published via GitHub Packages:

<repository>
    <id>github</id>
    <url>https://maven.pkg.github.com/florianpal1/fauction</url>
</repository>

<dependency>
    <groupId>fr.florianpal</groupId>
    <artifactId>fauction</artifactId>
    <version>1.9.9</version>
    <scope>provided</scope>
</dependency>

Building from Source

Prerequisites: Java 21+, Maven 3.8+

git clone https://github.com/Florianpal1/FAuction.git
cd FAuction
mvn clean package

The compiled JAR will be in target/fauction-x.x.x.jar.

Support

Wiki — detailed documentation and guides
Discord — community support
GitHub Discussions — questions and ideas
SpigotMC — plugin page
Hangar — PaperMC distribution
Modrinth — alternative download
bStats — usage statistics

License

FAuction is licensed under the GNU General Public License v3.0.

Name		Name	Last commit message	Last commit date
Latest commit History 324 Commits
.github		.github
src/main		src/main
.gitignore		.gitignore
LICENCE		LICENCE
README.md		README.md
pom.xml		pom.xml

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FAuction

Table of Contents

Features

Requirements

Installation

Commands

Player Commands

Admin Commands

Permissions

Player Permissions

Admin Permissions

Configuration

Main Configuration (config.yml)

Database (database.yml)

Categories (categories.yml)

Sorting (sort.yml)

GUI Customization

Languages

Integrations

Vault

PlaceholderAPI

LuckPerms

Developer API

Accessing the API

Custom Events

Maven Dependency

Building from Source

Support

License

About

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Languages

Main Configuration (`config.yml`)

Database (`database.yml`)

Categories (`categories.yml`)

Sorting (`sort.yml`)

Packages