task 2 3 4

mover/JianhaWang/code/task2/Move.toml

@@ -0,0 +1,37 @@
+[package]
+name = "task2"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith ([email protected])", "John Snow ([email protected])"]
+
+[dependencies]
+Sui = { git = "https://github.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+task2 = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
+

mover/JianhaWang/code/task2/sources/coin.move

@@ -0,0 +1,26 @@
+module task2::jianhawang_coin {
+    use sui::coin;
+    use sui::coin::{TreasuryCap};
+    use sui::transfer::{public_transfer, public_freeze_object};
+
+    public struct JIANHAWANG_COIN has drop{}
+    fun init(witness: JIANHAWANG_COIN, ctx: &mut TxContext){
+        let (treasuryCap, denyCap ,metadata) = coin::create_regulated_currency(
+            witness,
+            8,
+            b"JIANHAWANG",
+            b"JIANHAWANG Coin",
+            b"move coin",
+            option::none(),
+            ctx
+        );
+        public_transfer(treasuryCap, tx_context::sender(ctx));
+        public_transfer(denyCap, tx_context::sender(ctx));
+        public_freeze_object(metadata);
+    }
+
+    public entry fun mint(cap: &mut TreasuryCap<JIANHAWANG_COIN>, amount: u64, recipient: address, ctx: &mut TxContext){
+        let coin = coin::mint(cap, amount, ctx);
+        public_transfer(coin, recipient);
+    }
+}

mover/JianhaWang/code/task2/sources/faucet.move

@@ -0,0 +1,24 @@
+module task2::jianhawang_faucet_coin {
+    use sui::coin;
+    use sui::coin::TreasuryCap;
+    use sui::transfer::{ public_share_object, public_freeze_object};
+
+    public struct JIANHAWANG_FAUCET_COIN has drop{}
+    fun init(witness: JIANHAWANG_FAUCET_COIN, ctx: &mut TxContext){
+        let (treasury, metadata) = coin::create_currency(
+            witness,
+            8,
+            b"JIANHAWANG_PUBLIC",
+            b"jianhawang Faucet coin",
+            b"test faucet coin",
+            option::none(),
+            ctx
+        );
+        public_share_object(treasury);
+        public_freeze_object(metadata);
+    }
+
+    public entry fun mint(cap: &mut TreasuryCap<JIANHAWANG_FAUCET_COIN>, value: u64, recipient: address,  ctx: &mut TxContext){
+        coin::mint_and_transfer(cap, value, recipient, ctx);
+    }
+}

mover/JianhaWang/code/task3/Move.toml

@@ -0,0 +1,37 @@
+[package]
+name = "task3"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith ([email protected])", "John Snow ([email protected])"]
+
+[dependencies]
+Sui = { git = "https://github.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+task3 = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
+

mover/JianhaWang/code/task3/sources/task3.move

@@ -0,0 +1,47 @@
+module task3::jianhawang_nft {
+    use std::ascii::String;
+    use std::string::utf8;
+    use sui::display;
+    use sui::object;
+    use sui::object::{UID};
+    use sui::package;
+    use sui::transfer;
+    use sui::transfer::public_transfer;
+    use sui::tx_context;
+    use sui::tx_context::{TxContext};
+
+    public struct JIANHAWANG_NFT has drop {}
+
+    public struct NFT has key,store {
+        id: UID,
+        name: String,
+    }
+
+    fun init(otw: JIANHAWANG_NFT, ctx: &mut sui::tx_context::TxContext) {
+        let keys = vector[
+            utf8(b"name"),
+            utf8(b"image_url"),
+        ];
+
+        let values = vector[
+            utf8(b"{name}"),
+            utf8(b"https://avatars.githubusercontent.com/u/168746492"),
+        ];
+
+        let publisher = package::claim(otw, ctx);
+        let mut display = display::new_with_fields<NFT>(&publisher, keys, values,ctx);
+
+        display::update_version(&mut display);
+
+        transfer::public_transfer(publisher, tx_context::sender(ctx));
+        transfer::public_transfer(display, tx_context::sender(ctx));
+    }
+
+    public entry fun mint_to(name: String, recipient: address,ctx: &mut TxContext) {
+        let nft = NFT{
+            id: object::new(ctx),
+            name,
+        };
+        public_transfer(nft, recipient)
+    }
+}

mover/JianhaWang/code/task4/Move.toml

@@ -0,0 +1,37 @@
+[package]
+name = "task4"
+edition = "2024.beta" # edition = "legacy" to use legacy (pre-2024) Move
+# license = ""           # e.g., "MIT", "GPL", "Apache 2.0"
+# authors = ["..."]      # e.g., ["Joe Smith ([email protected])", "John Snow ([email protected])"]
+
+[dependencies]
+Sui = { git = "https://github.com/MystenLabs/sui.git", subdir = "crates/sui-framework/packages/sui-framework", rev = "framework/testnet" }
+
+# For remote import, use the `{ git = "...", subdir = "...", rev = "..." }`.
+# Revision can be a branch, a tag, and a commit hash.
+# MyRemotePackage = { git = "https://some.remote/host.git", subdir = "remote/path", rev = "main" }
+
+# For local dependencies use `local = path`. Path is relative to the package root
+# Local = { local = "../path/to" }
+
+# To resolve a version conflict and force a specific version for dependency
+# override use `override = true`
+# Override = { local = "../conflicting/version", override = true }
+
+[addresses]
+task4 = "0x0"
+
+# Named addresses will be accessible in Move as `@name`. They're also exported:
+# for example, `std = "0x1"` is exported by the Standard Library.
+# alice = "0xA11CE"
+
+[dev-dependencies]
+# The dev-dependencies section allows overriding dependencies for `--test` and
+# `--dev` modes. You can introduce test-only dependencies here.
+# Local = { local = "../path/to/dev-build" }
+
+[dev-addresses]
+# The dev-addresses section allows overwriting named addresses for the `--test`
+# and `--dev` modes.
+# alice = "0xB0B"
+

mover/JianhaWang/code/task4/sources/task4.move

@@ -0,0 +1,162 @@
+module task4::jianhawang_game {
+    use std::string::{Self, String};
+    use sui::event;
+    use sui::balance::{Self, Balance};
+    use sui::coin::{Self, Coin};
+    use sui::tx_context::sender;
+    use std::hash;
+    use sui::bcs;
+
+    const EPoolNotEnough: u64 = 1;
+    const EInputNotEnough: u64 = 2;
+    const ERR_HIGH_ARG_GREATER_THAN_LOW_ARG: u64 = 101;
+
+    public struct GameResult has copy, drop {
+        result: String,
+        is_winner: bool,
+    }
+
+    public struct Game<phantom T>  has key {
+        id: UID,
+        pool: Balance<T>,
+        ticket: u64,
+        reward: u64,
+    }
+
+    public fun game_pool<T>(game: &Game<T>): u64 {
+        balance::value(&game.pool)
+    }
+
+    public fun game_ticket<T>(game: &Game<T>): u64 {
+        game.ticket
+    }
+
+    public fun game_reward<T>(game: &Game<T>): u64 {
+        game.reward
+    }
+
+    public struct AdminCap has key {
+        id: UID,
+    }
+
+    fun init(_ctx: &mut TxContext) {
+    }
+
+    entry fun creat_game<T>(ctx: &mut TxContext) {
+        let game = Game<T> {
+            id: object::new(ctx),
+            pool: balance::zero<T>(),
+            ticket: 1000,
+            reward: 2000,
+        };
+        transfer::share_object(game);
+
+        let admin_cap = AdminCap { id: object::new(ctx) };
+        transfer::transfer(admin_cap, sender(ctx));
+    }
+
+    fun get_spin_result(ctx: &mut TxContext) : u8 {
+        let spin = (rand_u64_range(0, 5, ctx) as u8);
+        spin
+    }
+
+    public entry fun play<T>(game: &mut Game<T>, input: Coin<T>, ctx: &mut TxContext) {
+        assert!(balance::value(&game.pool) >= game.reward - game.ticket, EPoolNotEnough);
+
+        let player_spin = get_spin_result(ctx);
+        let winning_combination = 2;
+
+        let input_value = coin::value(&input);
+        assert!(input_value >= game.ticket, EInputNotEnough);
+
+        let mut input_balance = coin::into_balance(input);
+        if (input_value > game.ticket) {
+            balance::join(
+                &mut game.pool,
+                balance::split(&mut input_balance, game.ticket)
+            );
+            let change = coin::from_balance(input_balance, ctx);
+            transfer::public_transfer(change, sender(ctx));
+        } else {
+            balance::join(&mut game.pool, input_balance);
+        };
+
+        let (result, is_winner) = if (player_spin == winning_combination) {
+            ( string::utf8(b"Congratulations, you hit the jackpot! Collect your coins"), true)
+        } else {
+            ( string::utf8(b"Try again, better luck next time!"), false)
+        };
+
+        if (is_winner) {
+            let reward_balance = balance::split(&mut game.pool, game.reward);
+            let reward = coin::from_balance(reward_balance, ctx);
+            transfer::public_transfer(reward, sender(ctx));
+        };
+
+        event::emit(GameResult {
+            result,
+            is_winner,
+        });
+    }
+
+    public entry fun deposit<T>(game: &mut Game<T>, input: Coin<T>, amount: u64, ctx: &mut TxContext) {
+        let input_value = coin::value(&input);
+        assert!(input_value >= amount, EInputNotEnough);
+
+        let mut input_balance = coin::into_balance(input);
+        if (input_value > amount) {
+            balance::join(
+                &mut game.pool,
+                balance::split(&mut input_balance, amount)
+            );
+            let change = coin::from_balance(input_balance, ctx);
+            transfer::public_transfer(change, sender(ctx));
+        } else {
+            balance::join(&mut game.pool, input_balance);
+        }
+    }
+
+    public entry fun withdraw<T>(_: &AdminCap, game: &mut Game<T>, amount: u64, ctx: &mut TxContext) {
+        let output_balance = balance::split(&mut game.pool, amount);
+        let output = coin::from_balance(output_balance, ctx);
+        transfer::public_transfer(output, sender(ctx));
+    }
+
+        fun seed(ctx: &mut TxContext): vector<u8> {
+        let ctx_bytes = bcs::to_bytes(ctx);
+        let uid = object::new(ctx);
+        let uid_bytes: vector<u8> = object::uid_to_bytes(&uid);
+        object::delete(uid);
+
+        let mut info: vector<u8> = vector::empty<u8>();
+        vector::append<u8>(&mut info, ctx_bytes);
+        vector::append<u8>(&mut info, uid_bytes);
+
+        let hash: vector<u8> = hash::sha3_256(info);
+        hash
+    }
+
+    fun bytes_to_u64(bytes: vector<u8>): u64 {
+        let mut value = 0u64;
+        let mut i = 0u64;
+        while (i < 8) {
+            value = value | ((*vector::borrow(&bytes, i) as u64) << ((8 * (7 - i)) as u8));
+            i = i + 1;
+        };
+        return value
+    }
+
+    fun rand_u64_with_seed(_seed: vector<u8>): u64 {
+        bytes_to_u64(_seed)
+    }
+
+    fun rand_u64_range_with_seed(_seed: vector<u8>, low: u64, high: u64): u64 {
+        assert!(high > low, ERR_HIGH_ARG_GREATER_THAN_LOW_ARG);
+        let value = rand_u64_with_seed(_seed);
+        (value % (high - low)) + low
+    }
+
+    public fun rand_u64_range(low: u64, high: u64, ctx: &mut TxContext): u64 {
+        rand_u64_range_with_seed(seed(ctx), low, high)
+    }
+}