diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5fe69d1..4a457ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,3 +40,11 @@ jobs:
- name: Check formatting
run: cargo fmt --check
+
+ - name: Install wasm-pack
+ uses: jetli/wasm-pack-action@v0.4.0
+ with:
+ version: 'latest'
+
+ - name: Build WASM
+ run: wasm-pack build --target web
diff --git a/Cargo.lock b/Cargo.lock
index a76385f..6a33ef9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
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"bytes",
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+ "pin-project-lite",
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+ "tokio-macros",
+ "windows-sys 0.61.2",
+]
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+dependencies = [
+ "rustls",
+ "tokio",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "494815d09bf52b5548659851081238f0ca39ff638363907596da739561c62c52"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "libc",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "toml"
+version = "0.8.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.11"
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+checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
+dependencies = [
+ "serde",
+
]
[[package]]
@@ -1617,6 +2614,76 @@ dependencies = [
"rustc-hash 2.1.3",
]
+[[package]]
+name = "tower"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebe5ef63511595f1344e2d5cfa636d973292adc0eec1f0ad45fae9f0851ab1d4"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "tower-http"
+version = "0.6.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cfcf7e2740e6fc6d4d688b4ef00650406bb94adf4731e43c096c3a19fe40840"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "pin-project-lite",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "url",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
+
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+version = "0.3.3"
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+checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
+
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+name = "tracing"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
+dependencies = [
+ "pin-project-lite",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
[[package]]
name = "typenum"
version = "1.20.1"
@@ -2046,6 +3113,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90f911cbc359ab6af17377d242225f4d75119aec87ea711a880987b18cd7b239"
dependencies = [
"serde",
+
"yoke",
"zerofrom",
"zerovec-derive",
diff --git a/Cargo.toml b/Cargo.toml
index d0886c9..e437db0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,20 +6,33 @@ edition = "2024"
[lib]
name = "smart_contract_game"
path = "src/lib.rs"
+crate-type = ["cdylib", "rlib"]
+
+[features]
+wasm = ["dep:wasm-bindgen", "dep:web-sys", "dep:js-sys", "dep:once_cell"]
[dependencies]
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
toml = "0.8"
reqwest = { version = "0.12", features = ["json"] }
-tokio = { version = "1", features = ["full"] }
thiserror = "1"
chrono = { version = "0.4", features = ["serde"] }
sha2 = "0.10"
+wasm-bindgen = { version = "0.2", optional = true }
+web-sys = { version = "0.3", features = ["Storage", "Window", "Performance"], optional = true }
+js-sys = { version = "0.3", optional = true }
+once_cell = { version = "1.19", optional = true }
fluent = "0.16"
fluent-bundle = "0.15"
unic-langid = { version = "0.9", features = ["macros"] }
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+tokio = { version = "1", features = ["full"] }
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+tokio = { version = "1", features = ["sync", "macros", "rt"] }
+
[dev-dependencies]
tempfile = "3"
wiremock = "0.6"
\ No newline at end of file
diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index 8223e61..2925a69 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -1,8 +1,11 @@
use crate::errors::AppError;
use crate::plugin::{EvalResult, PluginRegistry, PuzzlePlugin};
use crate::puzzle::Puzzle;
+use crate::time::Instant;
use std::collections::HashMap;
-use std::{thread::sleep, time::{Duration, Instant}};
+use std::thread::sleep;
+use std::time::Duration;
+
/// Core game engine that manages the main loop and lifecycle.
pub struct Engine {
diff --git a/src/lib.rs b/src/lib.rs
index 816c33f..61a6348 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,13 @@
pub mod cli;
pub mod engine;
pub mod logic;
+pub mod session;
+pub mod engine;
pub mod l10n;
+
+#[cfg(not(feature = "wasm"))]
+pub mod api_client;
+
pub mod config;
pub mod difficulty;
pub mod errors;
@@ -17,3 +23,8 @@ pub mod nft;
pub mod plugin;
pub mod score;
pub mod timer;
+pub mod time;
+pub mod persistence;
+
+#[cfg(feature = "wasm")]
+pub mod wasm;
diff --git a/src/main.rs b/src/main.rs
index a4b0611..097fb0b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -47,6 +47,8 @@ fn main() {
}
// Initialize and run the core engine for a short duration to ensure clean startup/shutdown.
+ let engine = smart_contract_game::engine::Engine::new(Duration::from_millis(16));
+
engine.init();
engine.run_for(Duration::from_millis(100));
engine.shutdown();
diff --git a/src/nft/mod.rs b/src/nft/mod.rs
index 6d6e16f..24263c9 100644
--- a/src/nft/mod.rs
+++ b/src/nft/mod.rs
@@ -1,6 +1,6 @@
use crate::errors::AppError;
use std::collections::HashMap;
-use std::time::{SystemTime, UNIX_EPOCH};
+use crate::time::{SystemTime, UNIX_EPOCH};
#[derive(Debug, PartialEq, Clone)]
pub struct Achievement {
diff --git a/src/persistence.rs b/src/persistence.rs
new file mode 100644
index 0000000..306ad71
--- /dev/null
+++ b/src/persistence.rs
@@ -0,0 +1,52 @@
+use crate::errors::AppError;
+use crate::player::Player;
+
+#[cfg(not(feature = "wasm"))]
+pub fn save_player(player: &Player, path: &str) -> Result<(), AppError> {
+ use std::fs;
+ let json = player.to_json()?;
+ fs::write(path, json).map_err(AppError::Io)?;
+ Ok(())
+}
+
+#[cfg(not(feature = "wasm"))]
+pub fn load_player(path: &str) -> Result