first PoC

avm-transpiler/src/transpile.rs

@@ -84,9 +84,6 @@ pub fn brillig_to_avm(brillig: &Brillig) -> Vec<u8> {
                     BinaryIntOp::Xor => AvmOpcode::XOR,
                     BinaryIntOp::Shl => AvmOpcode::SHL,
                     BinaryIntOp::Shr => AvmOpcode::SHR,
-                    _ => panic!(
-                        "Transpiler doesn't know how to process {:?}", brillig_instr
-                    ),
                 };
                 avm_instrs.push(AvmInstruction {
                     opcode: avm_opcode,

avm-transpiler/src/transpile_contract.rs

@@ -1,6 +1,5 @@
 use base64::Engine;
 use log::info;
-use regex::Regex;
 use serde::{Deserialize, Serialize};
 
 use acvm::acir::circuit::Program;

noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr

@@ -26,9 +26,11 @@ contract AvmTest {
     // Libs
     use dep::aztec::prelude::Map;
     use dep::aztec::state_vars::PublicMutable;
+    use dep::aztec::history::nullifier_inclusion::prove_nullifier_inclusion;
     use dep::aztec::protocol_types::{
         address::{AztecAddress, EthAddress}, constants::L1_TO_L2_MESSAGE_LENGTH,
-        contract_instance::ContractInstance
+        contract_instance::ContractInstance,
+        hash::silo_nullifier,
     };
     use dep::aztec::oracle::get_contract_instance::{get_contract_instance_avm, get_contract_instance_internal_avm};
     use dep::aztec::protocol_types::abis::function_selector::FunctionSelector;
@@ -187,6 +189,18 @@ contract AvmTest {
         123456
     }
 
+    #[aztec(public)]
+    fn new_nullifier_acvm(nullifier: Field) -> pub Field {
+        context.push_new_nullifier(nullifier, 0);
+    }
+
+    #[aztec(public)]
+    fn assert_unsiloed_nullifier_acvm(nullifier: Field) {
+        // ACVM requires siloed nullifier.
+        let siloed_nullifier = silo_nullifier(context.this_address(), nullifier);
+        prove_nullifier_inclusion(siloed_nullifier, context);
+    }
+
     #[aztec(public-vm)]
     fn call_acvm_from_avm() -> pub Field {
         let data_to_return: [Field; RETURN_VALUES_LENGTH] = context.call_public_function(
@@ -207,6 +221,15 @@ contract AvmTest {
         data_to_return[0]
     }
 
+    #[aztec(public-vm)]
+    fn avm_to_acvm_call(selector: FunctionSelector, args: Field) {
+        context.call_public_function(
+            context.this_address(),
+            selector,
+            [args]
+        );
+    }
+
     /************************************************************************
      * Contract instance
      ************************************************************************/

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

@@ -15,7 +15,8 @@
     "clean": "rm -rf ./dest .tsbuildinfo",
     "formatting": "run -T prettier --check ./src \"!src/web/main.js\" && run -T eslint ./src",
     "formatting:fix": "run -T eslint --fix ./src && run -T prettier -w ./src",
-    "test": "DEBUG='aztec:*' NODE_NO_WARNINGS=1 node --experimental-vm-modules ../node_modules/.bin/jest --runInBand --testTimeout=60000 --forceExit",
+    "test:all-logs": "DEBUG='aztec:*' NODE_NO_WARNINGS=1 node --experimental-vm-modules ../node_modules/.bin/jest --runInBand --testTimeout=60000 --forceExit",
+    "test": "DEBUG='aztec:*,-*avm_simulator:memory,-*avm_simulator:core*' NODE_NO_WARNINGS=1 node --experimental-vm-modules ../node_modules/.bin/jest --runInBand --testTimeout=60000 --forceExit",
     "test:integration": "concurrently -k -s first -c reset,dim -n test,anvil \"yarn test:integration:run\" \"anvil\"",
     "test:integration:run": "NODE_NO_WARNINGS=1 node --experimental-vm-modules ../node_modules/.bin/jest --no-cache --runInBand --config jest.integration.config.json"
   },

yarn-project/end-to-end/src/e2e_avm_simulator.test.ts

@@ -1,4 +1,4 @@
-import { AztecAddress, Fr, TxStatus, type Wallet } from '@aztec/aztec.js';
+import { AztecAddress, Fr, FunctionSelector, TxStatus, type Wallet } from '@aztec/aztec.js';
 import { AvmInitializerTestContract, AvmTestContract } from '@aztec/noir-contracts.js';
 
 import { jest } from '@jest/globals';
@@ -64,6 +64,40 @@ describe('e2e_avm_simulator', () => {
         expect(tx.status).toEqual(TxStatus.MINED);
       });
     });
+
+    describe('ACVM interoperability', () => {
+      it('Can execute ACVM function among AVM functions', async () => {
+        expect(await avmContract.methods.constant_field_acvm().simulate()).toEqual([123456n, 0n, 0n, 0n]);
+      });
+
+      it('Can call AVM function from ACVM', async () => {
+        expect(await avmContract.methods.call_avm_from_acvm().simulate()).toEqual([123456n, 0n, 0n, 0n]);
+      });
+
+      it('Can call ACVM function from AVM', async () => {
+        expect(await avmContract.methods.call_acvm_from_avm().simulate()).toEqual([123456n, 0n, 0n, 0n]);
+      });
+
+      // Cannot work because ACVM does not support pending nullifiers.
+      // it('AVM->ACVM nullifiers work (pending)', async () => {
+      //   await avmContract.methods.avm_to_acvm_nullifier().send().wait();
+      // });
+
+      it('AVM sees settled nullifiers by ACVM', async () => {
+        const nullifier = new Fr(123456);
+        await avmContract.methods.new_nullifier(nullifier).send().wait();
+        await avmContract.methods.assert_unsiloed_nullifier_acvm(nullifier).send().wait();
+      });
+
+      it('AVM nested call to ACVM sees settled nullifiers', async () => {
+        const nullifier = new Fr(123456);
+        await avmContract.methods.new_nullifier(nullifier).send().wait();
+        await avmContract.methods
+          .avm_to_acvm_call(FunctionSelector.fromSignature('assert_unsiloed_nullifier_acvm(Field)'), nullifier)
+          .send()
+          .wait();
+      });
+    });
   });
 
   describe('AvmInitializerTestContract', () => {
@@ -79,10 +113,4 @@ describe('e2e_avm_simulator', () => {
       });
     });
   });
-
-  describe('ACVM interoperability', () => {
-    it('Can execute ACVM function among AVM functions', async () => {
-      expect(await avmContact.methods.constant_field_acvm().simulate()).toEqual(123456n);
-    });
-  });
 });

yarn-project/simulator/src/avm/avm_execution_environment.ts

@@ -48,15 +48,15 @@ export class AvmExecutionEnvironment {
   }
 
   public deriveEnvironmentForNestedCall(
-    address: AztecAddress,
+    targetAddress: AztecAddress,
     calldata: Fr[],
     temporaryFunctionSelector: FunctionSelector = FunctionSelector.empty(),
   ): AvmExecutionEnvironment {
     return new AvmExecutionEnvironment(
-      address,
-      /*storageAddress=*/ address,
+      targetAddress,
+      /*storageAddress=*/ targetAddress,
       this.origin,
-      this.sender,
+      this.address,
       this.portal,
       this.feePerL1Gas,
       this.feePerL2Gas,