complete task4

mover/yufin/code/task4/.gitignore

@@ -0,0 +1 @@
+build/*

mover/yufin/code/task4/Move.lock

@@ -0,0 +1,40 @@
+# @generated by Move, please check-in and do not edit manually.
+
+[move]
+version = 3
+manifest_digest = "ED18027FE1E04C9C17AFCADBD07CCA64749BB3234A62A2FDA2C1172E7092CD17"
+deps_digest = "F8BBB0CCB2491CA29A3DF03D6F92277A4F3574266507ACD77214D37ECA3F3082"
+dependencies = [
+  { id = "Sui", name = "Sui" },
+]
+
+[[move.package]]
+id = "MoveStdlib"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/move-stdlib" }
+
+[[move.package]]
+id = "Sui"
+source = { git = "https://github.com/MystenLabs/sui.git", rev = "framework/testnet", subdir = "crates/sui-framework/packages/sui-framework" }
+
+dependencies = [
+  { id = "MoveStdlib", name = "MoveStdlib" },
+]
+
+[move.toolchain-version]
+compiler-version = "1.39.3"
+edition = "2024.beta"
+flavor = "sui"
+
+[env]
+
+[env.testnet]
+chain-id = "4c78adac"
+original-published-id = "0xab9394bb569f178b6b711bc6b46d951c0307e516d57f138e527246ddb84a9513"
+latest-published-id = "0xab9394bb569f178b6b711bc6b46d951c0307e516d57f138e527246ddb84a9513"
+published-version = "1"
+
+[env.mainnet]
+chain-id = "35834a8a"
+original-published-id = "0x6c38fa662e97fc659e1e9181b074342fe398f5dca6b64e428e927df0bf2883a4"
+latest-published-id = "0x6c38fa662e97fc659e1e9181b074342fe398f5dca6b64e428e927df0bf2883a4"
+published-version = "1"

mover/yufin/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 (joesmith@noemail.com)", "John Snow (johnsnow@noemail.com)"]
+
+[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/yufin/code/task4/sources/flip.move

@@ -0,0 +1,147 @@
+module task4::flip_coin{
+    use std::string;
+    use sui::balance::Balance;
+    use sui::coin;
+    use sui::coin::Coin;
+    use sui::transfer::public_transfer;
+    use std::string::{String, from_ascii};
+    use std::type_name;
+    use sui::event;
+    use sui::random;
+
+    const EOverBalance: u64 = 0x1;
+    const EVaultIsEmpty: u64 = 0x2;
+
+
+    public struct Vault<phantom T> has key {
+        id: UID,
+        amount: Balance<T>,
+    }
+
+    public struct AdminCap has key {
+        id: UID,
+    }
+
+    public struct TransEvent has copy, drop {
+        caller: address,
+        amount_change: u64,
+        direction: String,
+        pool_balance: u64,
+        coin_type: String,
+    }
+
+    fun init(ctx: &mut TxContext) {
+        let admin = AdminCap{id: object::new(ctx)};
+        transfer::transfer(admin, ctx.sender());
+    }
+
+    public entry fun new_vault<T>(coin_in: Coin<T>, ctx: &mut TxContext) {
+        let balance = coin::into_balance(coin_in);
+
+        let vault = Vault {
+            id: object::new(ctx),
+            amount: balance,
+        };
+
+        transfer::share_object(vault);
+    }
+
+    public entry fun deposit<T>(vault: &mut Vault<T>, mut coin_in: Coin<T>, amount: u64, ctx: &mut TxContext) {
+        let delta_amount: u64;
+        if (coin_in.value() <= amount) {
+            delta_amount = coin_in.value();
+            vault.amount.join(coin::into_balance(coin_in));
+        } else {
+            let split_coin = coin_in.split(amount, ctx);
+            vault.amount.join(coin::into_balance(split_coin));
+            public_transfer(coin_in, ctx.sender());
+            delta_amount = amount;
+        };
+
+        event::emit(TransEvent{
+            caller: ctx.sender(),
+            amount_change: delta_amount,
+            direction: string::utf8(b"in"),
+            pool_balance: vault.amount.value(),
+            coin_type: from_ascii(type_name::get<T>().into_string()),
+        })
+    }
+
+    public entry fun batch_deposit<T>(vault: &mut Vault<T>, amount: u64, mut chips: vector<Coin<T>>, ctx:&mut TxContext) {
+        let mut merged_coin = vector::pop_back(&mut chips);
+        while (!vector::is_empty(&chips)) {
+            let coin_to_merge = vector::pop_back(&mut chips);
+            merged_coin.join(coin_to_merge);
+        };
+        vector::destroy_empty(chips);
+        let split_coin = merged_coin.split(amount, ctx);
+        vault.amount.join(coin::into_balance(split_coin));
+        if (merged_coin.value() > 0) {
+            transfer::public_transfer(merged_coin, tx_context::sender(ctx));
+        } else {
+            coin::destroy_zero(merged_coin);
+        };
+
+        event::emit(TransEvent{
+            caller: ctx.sender(),
+            amount_change: amount,
+            direction: string::utf8(b"in"),
+            pool_balance: vault.amount.value(),
+            coin_type: from_ascii(type_name::get<T>().into_string()),
+        });
+    }
+
+    public entry fun withdraw<T>(_: &AdminCap, vault: &mut Vault<T>, amount: u64, ctx: &mut TxContext) {
+        assert!(vault.amount.value() > amount, EOverBalance);
+        let withdraw_balance = vault.amount.split(amount);
+        let withdraw_coin = coin::from_balance(withdraw_balance, ctx);
+        public_transfer(withdraw_coin, ctx.sender());
+        event::emit(TransEvent{
+            caller: ctx.sender(),
+            amount_change: amount,
+            direction: string::utf8(b"out"),
+            pool_balance: vault.amount.value(),
+            coin_type: from_ascii(type_name::get<T>().into_string()),
+        });
+    }
+
+    entry fun play<T>(rand: &random::Random, vault: &mut Vault<T>, res:bool, mut coin_in: Coin<T>, amount: u64, ctx: &mut TxContext) {
+        let chip: Coin<T>;
+        if (coin_in.value() > amount) {
+            // need split
+            chip = coin_in.split(amount, ctx);
+            transfer::public_transfer(coin_in, ctx.sender());
+        } else {
+            chip = coin_in;
+        };
+
+        let mut gen = random::new_generator(rand, ctx);
+        let fliped_res:bool = random::generate_bool(&mut gen);
+        let bet_amount_val = chip.value();
+        assert!(vault.amount.value() >= bet_amount_val * 10, EOverBalance);
+        let direction: vector<u8>;
+
+        if (res == fliped_res) {
+            // double
+            let reward_balance = vault.amount.split(bet_amount_val);
+            let reward_coin = coin::from_balance(reward_balance, ctx);
+            public_transfer(reward_coin, ctx.sender());
+            public_transfer(chip, ctx.sender());
+            direction = b"out";
+        } else {
+            // broken
+            let bet_balance = coin::into_balance(chip);
+            vault.amount.join(bet_balance);
+            direction = b"in";
+        };
+
+        event::emit(TransEvent{
+            caller: ctx.sender(),
+            amount_change: bet_amount_val,
+            direction: string::utf8(direction),
+            pool_balance: vault.amount.value(),
+            coin_type: from_ascii(type_name::get<T>().into_string()),
+        });
+    }
+
+}

mover/yufin/code/task4/tests/call.sh

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+# testnet
+
+#vault<FAUCET> pkgID: 0x60bc1b8e7f9219a10fb3886b666bb4a68556c3992d37697da5b880043de413fb
+#FAUCET typeId: 0x115adc3cce5ec094078e6a17c65336a2780a0ec579042f11aeda3f5a8d3b8d3d::faucet::FAUCET
+
+# flipV2 pkgid: 0xab9394bb569f178b6b711bc6b46d951c0307e516d57f138e527246ddb84a9513
+# vault pkgid: 0x59553951c763b904caeb9efbcfa77b9af6a099b1d2546ea64dfd67adad8fae0d
+
+sui client call --package 0xab9394bb569f178b6b711bc6b46d951c0307e516d57f138e527246ddb84a9513 \
+  --module flip_coin \
+  --function play \
+  --type-args 0x115adc3cce5ec094078e6a17c65336a2780a0ec579042f11aeda3f5a8d3b8d3d::faucet::FAUCET \
+  --args 0x8 \
+  0x59553951c763b904caeb9efbcfa77b9af6a099b1d2546ea64dfd67adad8fae0d \
+  true \
+  0x771f0656ed44300dca07c49fc5e9dcc22f800efce1fd6da514c0903cc3791cc3 \
+  50000000
+
+
+# mainnet
+
+sui client call --package 0x6c38fa662e97fc659e1e9181b074342fe398f5dca6b64e428e927df0bf2883a4 \
+  --module flip_coin \
+  --function play \
+  --type-args 0xe31a18ace543a8d317824b15718a54cf0477e5c93bcedb2f4c5d877dedc16a18::faucet::FAUCET \
+  --args 0x8 \
+  0xe1684af2aeb4659196f57ae47ad09878d59e4e69faf258e52febd121202f921e \
+  true \
+  0x68ac633bd609f7dc74cb60e63e4b9d44b2658ee67d4745347fae4c19e7eb727a \
+  50000000

mover/yufin/code/task4/tests/task4_tests.move

@@ -0,0 +1,18 @@
+/*
+#[test_only]
+module task4::task4_tests;
+// uncomment this line to import the module
+// use task4::task4;
+
+const ENotImplemented: u64 = 0;
+
+#[test]
+fun test_task4() {
+    // pass
+}
+
+#[test, expected_failure(abort_code = ::task4::task4_tests::ENotImplemented)]
+fun test_task4_fail() {
+    abort ENotImplemented
+}
+*/

mover/yufin/readme.md

@@ -32,10 +32,10 @@
 - [] scan上的NFT截图:![Scan截图](./images/task3nftscan.png)
 
 ##   04 Move Game
-- [] game package id :
-- [] deposit Coin hash:
-- [] withdraw `Coin` hash:
-- [] play game hash:
+- [] game package id : 0x6c38fa662e97fc659e1e9181b074342fe398f5dca6b64e428e927df0bf2883a4
+- [] deposit Coin hash: Ga9KvaR3fcqSeRVjBtzzYk4Zc83vmRBeHS1ZJMsV5VHc
+- [] withdraw `Coin` hash: Aa6QFbRbtRUaoMjDYSPLptjBJ4wut5mr8QKpNbAHnMc5
+- [] play game hash: Byg6qCLoRW7yraE5v65MqcUH3hW4wFUr4mTTaahukYmw
 
 ##   05 Move Swap
 - [] swap package id :