Merge 4b3f914 into 670af8a

yarn-project/accounts/package.json

@@ -52,6 +52,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/archiver/package.json

@@ -44,6 +44,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/aztec-faucet/package.json

@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/aztec-node/package.json

@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/aztec.js/package.json

@@ -55,6 +55,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/aztec/package.json

@@ -94,6 +94,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/bb-prover/package.json

@@ -41,6 +41,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/bot/package.json

@@ -31,6 +31,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/builder/package.json

@@ -47,6 +47,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/circuit-types/package.json

@@ -43,6 +43,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/circuits.js/package.json

@@ -77,6 +77,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/cli-wallet/package.json

@@ -48,6 +48,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/cli/package.json

@@ -48,6 +48,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/end-to-end/package.json

@@ -131,6 +131,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/entrypoints/package.json

@@ -41,6 +41,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/ethereum/package.json

@@ -57,6 +57,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/foundation/package.json

@@ -15,6 +15,7 @@
     "./collection": "./dest/collection/index.js",
     "./config": "./dest/config/index.js",
     "./crypto": "./dest/crypto/index.js",
+    "./decorators": "./dest/decorators/index.js",
     "./error": "./dest/error/index.js",
     "./eth-address": "./dest/eth-address/index.js",
     "./eth-signature": "./dest/eth-signature/index.js",
@@ -68,6 +69,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
@@ -156,4 +160,4 @@
   "engines": {
     "node": ">=18"
   }
-}
+}

yarn-project/foundation/src/decorators/index.ts

@@ -0,0 +1 @@
+export * from './memoize.js';

yarn-project/foundation/src/decorators/memoize.test.ts

@@ -0,0 +1,104 @@
+import { sleep } from '../sleep/index.js';
+import { memoize } from './memoize.js';
+
+class Memoized {
+  public readonly counters: Record<string, number> = {};
+
+  @memoize
+  voidPublic() {
+    this.inc('voidPublic');
+  }
+
+  @memoize
+  synchPublic() {
+    this.inc('synchPublic');
+    return this.counters['synchPublic'] + 10;
+  }
+
+  callSyncPrivate() {
+    this.synchPrivate();
+    this.synchPrivate();
+  }
+
+  @memoize
+  private synchPrivate() {
+    this.inc('synchPrivate');
+    return this.counters['synchPrivate'] + 20;
+  }
+
+  @memoize
+  async asyncPublic() {
+    this.inc('asyncPublic');
+    await sleep(1);
+    return this.counters['asyncPublic'] + 30;
+  }
+
+  async callAsyncPrivate() {
+    await this.asyncPrivate();
+    await this.asyncPrivate();
+  }
+
+  @memoize
+  private async asyncPrivate() {
+    this.inc('asyncPrivate');
+    await sleep(1);
+    return this.counters['asyncPrivate'] + 40;
+  }
+
+  @memoize
+  async asyncVoid() {
+    this.inc('asyncVoid');
+    await sleep(1);
+  }
+
+  private inc(name: string) {
+    if (!(name in this.counters)) {
+      this.counters[name] = 0;
+    }
+    this.counters[name]++;
+  }
+}
+
+describe('memoize', () => {
+  let memoized: Memoized;
+
+  beforeEach(() => {
+    memoized = new Memoized();
+  });
+
+  it('memoizes public void', () => {
+    memoized.voidPublic();
+    memoized.voidPublic();
+    expect(memoized.counters['voidPublic']).toBe(1);
+  });
+
+  it('memoizes public synchronous', () => {
+    expect(memoized.synchPublic()).toBe(11);
+    expect(memoized.synchPublic()).toBe(11);
+    expect(memoized.counters['synchPublic']).toBe(1);
+  });
+
+  it('memoizes private synchronous', () => {
+    memoized.callSyncPrivate();
+    memoized.callSyncPrivate();
+    expect(memoized.counters['synchPrivate']).toBe(1);
+  });
+
+  it('memoizes public asynchronous', async () => {
+    expect(await memoized.asyncPublic()).toBe(31);
+    expect(await memoized.asyncPublic()).toBe(31);
+    expect(memoized.counters['asyncPublic']).toBe(1);
+  });
+
+  it('memoizes private asynchronous', async () => {
+    await memoized.callAsyncPrivate();
+    await memoized.callAsyncPrivate();
+    expect(memoized.counters['asyncPrivate']).toBe(1);
+  });
+
+  it('memoizes void asynchronous', async () => {
+    await memoized.asyncVoid();
+    await memoized.asyncVoid();
+    expect(memoized.counters['asyncVoid']).toBe(1);
+  });
+});

yarn-project/foundation/src/decorators/memoize.ts

@@ -0,0 +1,11 @@
+export function memoize<This extends object, Result>(fn: () => Result, context: ClassMethodDecoratorContext) {
+  return function (this: This) {
+    const key = `__${String(context.name)}_value`;
+    const thisWithKey = this as { [key: string]: Result };
+    if (!(key in this)) {
+      const result = fn.call(this);
+      thisWithKey[key] = result;
+    }
+    return thisWithKey[key];
+  };
+}

yarn-project/ivc-integration/package.json

@@ -39,6 +39,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/key-store/package.json

@@ -35,6 +35,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/kv-store/package.json

@@ -34,6 +34,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/merkle-tree/package.json

@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/noir-contracts.js/package.json

@@ -35,6 +35,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/noir-protocol-circuits-types/package.json

@@ -40,6 +40,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/p2p-bootstrap/package.json

@@ -61,6 +61,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/p2p/package.json

@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }

yarn-project/package.common.json

@@ -28,6 +28,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }