system capability

Author: chenyan-dfinity

.github/workflows/backend.yml

@@ -14,9 +14,9 @@ jobs:
     strategy:
       fail-fast: false
     env:
-      DFX_VERSION: 0.15.2-beta.3
-      IC_REPL_VERSION: 0.6.0
-      MOC_VERSION: 0.10.2
+      DFX_VERSION: 0.18.0-beta.3
+      IC_REPL_VERSION: 0.6.2
+      MOC_VERSION: 0.11.0
     steps:
       - name: Setup Rust
         uses: actions-rs/toolchain@v1
@@ -26,14 +26,14 @@ jobs:
           override: true
           target: wasm32-unknown-unknown
       - name: Cache cargo build
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
             service/wasm-utils/target
           key: cargo-${{ hashFiles('**/Cargo.lock') }}
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 18
       - name: Install dfx
@@ -55,14 +55,14 @@ jobs:
           dfx start --background
       - name: Checkout base branch
         if: github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'breaking_changes')
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.base_ref }}
       - name: Deploy main branch
         if: github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'breaking_changes')
         run: |
           dfx deploy backend
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Deploy current branch
         run: dfx deploy backend
       - name: CanisterPool test

.github/workflows/frontend.yml

@@ -21,13 +21,13 @@ jobs:
           - 16
           - 18
     env:
-      DFX_VERSION: 0.15.2-beta.3
+      DFX_VERSION: 0.19.0-beta.3
       SKIP_WASM: true
-      MOC_VERSION: 0.10.2
+      MOC_VERSION: 0.11.0
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Node.js ${{ matrix.node }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           cache: 'npm'

mops.toml

@@ -1,4 +1,3 @@
 [dependencies]
-base = "https://github.com/dfinity/motoko-base#master"
+base = "0.11.0"
 splay = "0.1.0"
-

service/pool/Main.mo

@@ -5,7 +5,6 @@ import Error "mo:base/Error";
 import Option "mo:base/Option";
 import Nat "mo:base/Nat";
 import Text "mo:base/Text";
-import Array "mo:base/Array";
 import Buffer "mo:base/Buffer";
 import List "mo:base/List";
 import Deque "mo:base/Deque";
@@ -53,7 +52,7 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
         };
         pool.unshare(stablePool, stableMetadata, stableChildren);
         for (info in stableTimers.vals()) {
-            updateTimer(info);
+            updateTimer<system>(info);
         };
         statsByOrigin.unshare(stableStatsByOrigin);
     };
@@ -73,13 +72,13 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
 
     public func wallet_receive() : async () {
         let amount = Cycles.available();
-        ignore Cycles.accept amount;
+        ignore Cycles.accept<system> amount;
     };
 
     private func getExpiredCanisterInfo(origin : Logs.Origin) : async Types.CanisterInfo {
         switch (pool.getExpiredCanisterId()) {
             case (#newId) {
-                Cycles.add(params.cycles_per_canister);
+                Cycles.add<system>(params.cycles_per_canister);
                 let cid = await IC.create_canister { settings = null };
                 let now = Time.now();
                 let info = { id = cid.canister_id; timestamp = now };
@@ -95,7 +94,7 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
                     params.cycles_per_canister - status.cycles;
                 } else { 0 };
                 if (topUpCycles > 0) {
-                    Cycles.add topUpCycles;
+                    Cycles.add<system> topUpCycles;
                     await IC.deposit_cycles cid;
                 };
                 if (Option.isSome(status.module_hash)) {
@@ -206,22 +205,22 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
             statsByOrigin.addInstall(origin);
             switch (pool.refresh(info, install_config.profiling)) {
                 case (?newInfo) {
-                     updateTimer(newInfo);
+                     updateTimer<system>(newInfo);
                      newInfo;
                  };
                 case null { throw Error.reject "Cannot find canister" };
             };
         };
     };
 
-    func updateTimer(info: Types.CanisterInfo) {
+    func updateTimer<system>(info: Types.CanisterInfo) {
         func job() : async () {
-            pool.removeTimer(info.id);
+            pool.removeTimer<system>(info.id);
             // It is important that the timer job checks for the timestamp first.
             // This prevents late-runner jobs from deleting newly installed code.
             await removeCode(info);
         };
-        pool.updateTimer(info, job);
+        pool.updateTimer<system>(info, job);
     };
 
     public func callForward(info : Types.CanisterInfo, function : Text, args : Blob) : async Blob {
@@ -359,9 +358,9 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
     };
 
     // Disabled to prevent the user from updating the controller list (amongst other settings)
-    public shared ({ caller }) func update_settings({
-        canister_id : ICType.canister_id;
-        settings : ICType.canister_settings;
+    public shared func update_settings({
+        _canister_id : ICType.canister_id;
+        _settings : ICType.canister_settings;
     }) : async () {
         throw Error.reject "Cannot call update_settings from within Motoko Playground";
     };

service/pool/Types.mo

@@ -137,10 +137,10 @@ module {
             return true;
         };
 
-        public func updateTimer(info: CanisterInfo, job : () -> async ()) {
+        public func updateTimer<system>(info: CanisterInfo, job : () -> async ()) {
             let elapsed = Time.now() - info.timestamp;
             let duration = if (elapsed > ttl) { 0 } else { Int.abs(ttl - elapsed) };
-            let tid = Timer.setTimer(#nanoseconds duration, job);
+            let tid = Timer.setTimer<system>(#nanoseconds duration, job);
             switch (timers.replace(info.id, tid)) {
             case null {};
             case (?old_id) {
@@ -151,7 +151,7 @@ module {
             };
         };
 
-        public func removeTimer(cid: Principal) {
+        public func removeTimer<system>(cid: Principal) {
             timers.delete cid;
         };