diff --git a/yarn-project/accounts/package.json b/yarn-project/accounts/package.json
index d4d3d8ab916..0817971899b 100644
--- a/yarn-project/accounts/package.json
+++ b/yarn-project/accounts/package.json
@@ -52,6 +52,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/archiver/package.json b/yarn-project/archiver/package.json
index 4afb656f15c..ff0dd170380 100644
--- a/yarn-project/archiver/package.json
+++ b/yarn-project/archiver/package.json
@@ -44,6 +44,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/aztec-faucet/package.json b/yarn-project/aztec-faucet/package.json
index 54eb3313a3d..6d8ccc7a022 100644
--- a/yarn-project/aztec-faucet/package.json
+++ b/yarn-project/aztec-faucet/package.json
@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/aztec-node/package.json b/yarn-project/aztec-node/package.json
index f2bbd2972de..30d19cff4e9 100644
--- a/yarn-project/aztec-node/package.json
+++ b/yarn-project/aztec-node/package.json
@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/aztec.js/package.json b/yarn-project/aztec.js/package.json
index 40ff9add338..98f57facfd7 100644
--- a/yarn-project/aztec.js/package.json
+++ b/yarn-project/aztec.js/package.json
@@ -55,6 +55,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/aztec/package.json b/yarn-project/aztec/package.json
index bcc6c9196c5..9e85f69d16a 100644
--- a/yarn-project/aztec/package.json
+++ b/yarn-project/aztec/package.json
@@ -94,6 +94,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/bb-prover/package.json b/yarn-project/bb-prover/package.json
index 7adf7f8a7eb..efdeb93cc5c 100644
--- a/yarn-project/bb-prover/package.json
+++ b/yarn-project/bb-prover/package.json
@@ -41,6 +41,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/bot/package.json b/yarn-project/bot/package.json
index 6e187ffd065..ac515b88218 100644
--- a/yarn-project/bot/package.json
+++ b/yarn-project/bot/package.json
@@ -31,6 +31,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/builder/package.json b/yarn-project/builder/package.json
index acde8d5092b..597b83807a1 100644
--- a/yarn-project/builder/package.json
+++ b/yarn-project/builder/package.json
@@ -47,6 +47,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/circuit-types/package.json b/yarn-project/circuit-types/package.json
index 6e874e8b129..b06d89e907c 100644
--- a/yarn-project/circuit-types/package.json
+++ b/yarn-project/circuit-types/package.json
@@ -43,6 +43,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/circuits.js/package.json b/yarn-project/circuits.js/package.json
index 82ea912b59f..5a83df9826b 100644
--- a/yarn-project/circuits.js/package.json
+++ b/yarn-project/circuits.js/package.json
@@ -77,6 +77,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/cli-wallet/package.json b/yarn-project/cli-wallet/package.json
index ea37249686d..e8fe9b83dfb 100644
--- a/yarn-project/cli-wallet/package.json
+++ b/yarn-project/cli-wallet/package.json
@@ -48,6 +48,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/cli/package.json b/yarn-project/cli/package.json
index c0f4af79732..b6a9891babd 100644
--- a/yarn-project/cli/package.json
+++ b/yarn-project/cli/package.json
@@ -48,6 +48,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/end-to-end/package.json b/yarn-project/end-to-end/package.json
index 98d1e156cd4..bf630f4e047 100644
--- a/yarn-project/end-to-end/package.json
+++ b/yarn-project/end-to-end/package.json
@@ -131,6 +131,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/entrypoints/package.json b/yarn-project/entrypoints/package.json
index 48c6c5535a4..6a278c79364 100644
--- a/yarn-project/entrypoints/package.json
+++ b/yarn-project/entrypoints/package.json
@@ -41,6 +41,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/ethereum/package.json b/yarn-project/ethereum/package.json
index b7518c9547f..2e49f7f2324 100644
--- a/yarn-project/ethereum/package.json
+++ b/yarn-project/ethereum/package.json
@@ -57,6 +57,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/foundation/package.json b/yarn-project/foundation/package.json
index 2af937f8c18..b63a267cbfe 100644
--- a/yarn-project/foundation/package.json
+++ b/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"
   }
-}
+}
\ No newline at end of file
diff --git a/yarn-project/foundation/src/decorators/index.ts b/yarn-project/foundation/src/decorators/index.ts
new file mode 100644
index 00000000000..4ed809e11df
--- /dev/null
+++ b/yarn-project/foundation/src/decorators/index.ts
@@ -0,0 +1 @@
+export * from './memoize.js';
diff --git a/yarn-project/foundation/src/decorators/memoize.test.ts b/yarn-project/foundation/src/decorators/memoize.test.ts
new file mode 100644
index 00000000000..badd35e8664
--- /dev/null
+++ b/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);
+  });
+});
diff --git a/yarn-project/foundation/src/decorators/memoize.ts b/yarn-project/foundation/src/decorators/memoize.ts
new file mode 100644
index 00000000000..ad4ee8377cf
--- /dev/null
+++ b/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];
+  };
+}
diff --git a/yarn-project/ivc-integration/package.json b/yarn-project/ivc-integration/package.json
index ed6eabfd7d0..a666ef9d1f1 100644
--- a/yarn-project/ivc-integration/package.json
+++ b/yarn-project/ivc-integration/package.json
@@ -39,6 +39,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/key-store/package.json b/yarn-project/key-store/package.json
index 0bf868d644d..c66a9bd63a9 100644
--- a/yarn-project/key-store/package.json
+++ b/yarn-project/key-store/package.json
@@ -35,6 +35,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/kv-store/package.json b/yarn-project/kv-store/package.json
index 2ca6477b149..ae05345eeaa 100644
--- a/yarn-project/kv-store/package.json
+++ b/yarn-project/kv-store/package.json
@@ -34,6 +34,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/merkle-tree/package.json b/yarn-project/merkle-tree/package.json
index 0446f9a9d02..15447b9c794 100644
--- a/yarn-project/merkle-tree/package.json
+++ b/yarn-project/merkle-tree/package.json
@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/noir-contracts.js/package.json b/yarn-project/noir-contracts.js/package.json
index be2ad23370e..eff346f3fe9 100644
--- a/yarn-project/noir-contracts.js/package.json
+++ b/yarn-project/noir-contracts.js/package.json
@@ -35,6 +35,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/noir-protocol-circuits-types/package.json b/yarn-project/noir-protocol-circuits-types/package.json
index 7e1e56e654f..909ce8f37bf 100644
--- a/yarn-project/noir-protocol-circuits-types/package.json
+++ b/yarn-project/noir-protocol-circuits-types/package.json
@@ -40,6 +40,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/p2p-bootstrap/package.json b/yarn-project/p2p-bootstrap/package.json
index 9e9d564c9ae..57225e75e38 100644
--- a/yarn-project/p2p-bootstrap/package.json
+++ b/yarn-project/p2p-bootstrap/package.json
@@ -61,6 +61,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/p2p/package.json b/yarn-project/p2p/package.json
index 5a4260dc257..14e66ce63ef 100644
--- a/yarn-project/p2p/package.json
+++ b/yarn-project/p2p/package.json
@@ -37,6 +37,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/package.common.json b/yarn-project/package.common.json
index 7ef660b828e..f3d2aca61c5 100644
--- a/yarn-project/package.common.json
+++ b/yarn-project/package.common.json
@@ -28,6 +28,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/proof-verifier/package.json b/yarn-project/proof-verifier/package.json
index 1a6c5f42afd..56db1a57b3f 100644
--- a/yarn-project/proof-verifier/package.json
+++ b/yarn-project/proof-verifier/package.json
@@ -39,6 +39,9 @@
     "ts-node": "^10.9.1",
     "typescript": "^5.0.4"
   },
+  "inherits": [
+    "../package.common.json"
+  ],
   "jest": {
     "extensionsToTreatAsEsm": [
       ".ts"
@@ -51,6 +54,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/protocol-contracts/package.json b/yarn-project/protocol-contracts/package.json
index c7bff393480..0bae20accc8 100644
--- a/yarn-project/protocol-contracts/package.json
+++ b/yarn-project/protocol-contracts/package.json
@@ -46,6 +46,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/prover-client/package.json b/yarn-project/prover-client/package.json
index 9a99cddb3d8..986f559d49c 100644
--- a/yarn-project/prover-client/package.json
+++ b/yarn-project/prover-client/package.json
@@ -42,6 +42,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/prover-node/package.json b/yarn-project/prover-node/package.json
index 21c4d635e3e..b7130d53215 100644
--- a/yarn-project/prover-node/package.json
+++ b/yarn-project/prover-node/package.json
@@ -31,6 +31,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/pxe/package.json b/yarn-project/pxe/package.json
index 1f0e9c1aaf4..b36c544458d 100644
--- a/yarn-project/pxe/package.json
+++ b/yarn-project/pxe/package.json
@@ -38,6 +38,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/scripts/package.json b/yarn-project/scripts/package.json
index 0f5849a2ab2..99dc133984f 100644
--- a/yarn-project/scripts/package.json
+++ b/yarn-project/scripts/package.json
@@ -65,6 +65,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/sequencer-client/package.json b/yarn-project/sequencer-client/package.json
index 835dd9bbea1..9b7e9212da4 100644
--- a/yarn-project/sequencer-client/package.json
+++ b/yarn-project/sequencer-client/package.json
@@ -89,6 +89,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/simulator/package.json b/yarn-project/simulator/package.json
index 8356b976f28..33694b0aea7 100644
--- a/yarn-project/simulator/package.json
+++ b/yarn-project/simulator/package.json
@@ -38,6 +38,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/telemetry-client/package.json b/yarn-project/telemetry-client/package.json
index 6647847ff44..ecbc5444c34 100644
--- a/yarn-project/telemetry-client/package.json
+++ b/yarn-project/telemetry-client/package.json
@@ -56,6 +56,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/txe/package.json b/yarn-project/txe/package.json
index ca291a0e2db..f9c6c329220 100644
--- a/yarn-project/txe/package.json
+++ b/yarn-project/txe/package.json
@@ -39,6 +39,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/types/package.json b/yarn-project/types/package.json
index 4fe9e6e145b..ac680f83686 100644
--- a/yarn-project/types/package.json
+++ b/yarn-project/types/package.json
@@ -41,6 +41,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/validator-client/package.json b/yarn-project/validator-client/package.json
index 23ca3b59106..a3cb3cf04fa 100644
--- a/yarn-project/validator-client/package.json
+++ b/yarn-project/validator-client/package.json
@@ -38,6 +38,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }
diff --git a/yarn-project/world-state/package.json b/yarn-project/world-state/package.json
index 8c7a1f793e7..f1d6e33fd60 100644
--- a/yarn-project/world-state/package.json
+++ b/yarn-project/world-state/package.json
@@ -39,6 +39,9 @@
             "parser": {
               "syntax": "typescript",
               "decorators": true
+            },
+            "transform": {
+              "decoratorVersion": "2022-03"
             }
           }
         }