feat: Delay l2l1 message hashing to the base rollup

l1-contracts/test/fixtures/empty_block_1.json

@@ -8,7 +8,7 @@
     "l2ToL1Messages": []
   },
   "block": {
-    "archive": "0x10107c16f4b8ac81aa0127268a7c467fd07717e1a6ae8ad0d068c9454b0e976d",
+    "archive": "0x15e53fc73037ad67a12a7af9a828218445cd4252d356f854d2a44b3e64d2262c",
     "body": "0x00000000",
     "txsEffectsHash": "0x00d09e7feff5a1049661763ded52742f02aac5d9793b27a40d6b9c60a668bdf2",
     "decodedHeader": {
@@ -24,40 +24,40 @@
         "chainId": 31337,
         "timestamp": 0,
         "version": 1,
-        "coinbase": "0x7fea02760c190713b363c9030a22b14846464e1f",
-        "feeRecipient": "0x085fdb7b311018f9d15e25348b849902dd8041515bc78248220ca712a6c6afef",
+        "coinbase": "0x56496111355717b87a7e9ecde62b1fc8741933d7",
+        "feeRecipient": "0x30312153fedef883087dc5281903c6d005a7c0e98a4f604b0ab93953c162e50e",
         "gasFees": {
           "feePerDaGas": 0,
           "feePerL2Gas": 0
         }
       },
       "lastArchive": {
         "nextAvailableLeafIndex": 1,
-        "root": "0x0a50781a9ce38c219f4fb0c320c441b30c9d3009dfb36d995a8035e68e67e27d"
+        "root": "0x1200a06aae1368abe36530b585bd7a4d2ba4de5037b82076412691a187d7621e"
       },
       "stateReference": {
         "l1ToL2MessageTree": {
           "nextAvailableLeafIndex": 16,
-          "root": "0x1864fcdaa80ff2719154fa7c8a9050662972707168d69eac9db6fd3110829f80"
+          "root": "0x14f44d672eb357739e42463497f9fdac46623af863eea4d947ca00a497dcdeb3"
         },
         "partialStateReference": {
           "noteHashTree": {
             "nextAvailableLeafIndex": 128,
-            "root": "0x16642d9ccd8346c403aa4c3fa451178b22534a27035cdaa6ec34ae53b29c50cb"
+            "root": "0x0b59baa35b9dc267744f0ccb4e3b0255c1fc512460d91130c6bc19fb2668568d"
           },
           "nullifierTree": {
             "nextAvailableLeafIndex": 256,
-            "root": "0x0bcfa3e9f1a8922ee92c6dc964d6595907c1804a86753774322b468f69d4f278"
+            "root": "0x19a8c197c12bb33da6314c4ef4f8f6fcb9e25250c085df8672adf67c8f1e3dbc"
           },
           "publicDataTree": {
             "nextAvailableLeafIndex": 256,
-            "root": "0x021a6cc64c830b4914600d0296c3968c5d28c1b00c5c4b0b33d1f39d948edbd4"
+            "root": "0x23c08a6b1297210c5e24c76b9a936250a1ce2721576c26ea797c7ec35f9e46a9"
           }
         }
       }
     },
-    "header": "0x0a50781a9ce38c219f4fb0c320c441b30c9d3009dfb36d995a8035e68e67e27d00000001000000000000000000000000000000000000000000000000000000000000000200d09e7feff5a1049661763ded52742f02aac5d9793b27a40d6b9c60a668bdf200089a9d421a82c4a25f7acbebe69e638d5b064fa8a60e018793dcb0be53752c0007638bb56b6dda2b64b8f76841114ac3a87a1820030e2e16772c4d294879c31864fcdaa80ff2719154fa7c8a9050662972707168d69eac9db6fd3110829f800000001016642d9ccd8346c403aa4c3fa451178b22534a27035cdaa6ec34ae53b29c50cb000000800bcfa3e9f1a8922ee92c6dc964d6595907c1804a86753774322b468f69d4f27800000100021a6cc64c830b4914600d0296c3968c5d28c1b00c5c4b0b33d1f39d948edbd4000001000000000000000000000000000000000000000000000000000000000000007a6900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000007fea02760c190713b363c9030a22b14846464e1f085fdb7b311018f9d15e25348b849902dd8041515bc78248220ca712a6c6afef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-    "publicInputsHash": "0x00d30a4f529fd4f14f9667bc062d5fbf3c7b0dd3e9833a7253732f83aa60986e",
+    "header": "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",
+    "publicInputsHash": "0x00010682db7186e580231f059cb12d74d3e8d1ab7428fcf0fb893af85b297ea5",
     "numTxs": 0
   }
 }

l1-contracts/test/fixtures/empty_block_2.json

@@ -8,7 +8,7 @@
     "l2ToL1Messages": []
   },
   "block": {
-    "archive": "0x2602de27d40577b24692fc0696b1225a4725e6b7a8a105c658b261d55ee83660",
+    "archive": "0x1900f7c4305f805f10fd6940dc654405720621d2a40b3b076969c5bc51ba6475",
     "body": "0x00000000",
     "txsEffectsHash": "0x00d09e7feff5a1049661763ded52742f02aac5d9793b27a40d6b9c60a668bdf2",
     "decodedHeader": {
@@ -22,42 +22,42 @@
         "blockNumber": 2,
         "slotNumber": "0x0000000000000000000000000000000000000000000000000000000000000002",
         "chainId": 31337,
-        "timestamp": 1722338614,
+        "timestamp": 1722938948,
         "version": 1,
-        "coinbase": "0x7fea02760c190713b363c9030a22b14846464e1f",
-        "feeRecipient": "0x085fdb7b311018f9d15e25348b849902dd8041515bc78248220ca712a6c6afef",
+        "coinbase": "0x56496111355717b87a7e9ecde62b1fc8741933d7",
+        "feeRecipient": "0x30312153fedef883087dc5281903c6d005a7c0e98a4f604b0ab93953c162e50e",
         "gasFees": {
           "feePerDaGas": 0,
           "feePerL2Gas": 0
         }
       },
       "lastArchive": {
         "nextAvailableLeafIndex": 2,
-        "root": "0x10107c16f4b8ac81aa0127268a7c467fd07717e1a6ae8ad0d068c9454b0e976d"
+        "root": "0x15e53fc73037ad67a12a7af9a828218445cd4252d356f854d2a44b3e64d2262c"
       },
       "stateReference": {
         "l1ToL2MessageTree": {
           "nextAvailableLeafIndex": 32,
-          "root": "0x1864fcdaa80ff2719154fa7c8a9050662972707168d69eac9db6fd3110829f80"
+          "root": "0x14f44d672eb357739e42463497f9fdac46623af863eea4d947ca00a497dcdeb3"
         },
         "partialStateReference": {
           "noteHashTree": {
             "nextAvailableLeafIndex": 256,
-            "root": "0x16642d9ccd8346c403aa4c3fa451178b22534a27035cdaa6ec34ae53b29c50cb"
+            "root": "0x0b59baa35b9dc267744f0ccb4e3b0255c1fc512460d91130c6bc19fb2668568d"
           },
           "nullifierTree": {
             "nextAvailableLeafIndex": 384,
-            "root": "0x0bcfa3e9f1a8922ee92c6dc964d6595907c1804a86753774322b468f69d4f278"
+            "root": "0x19a8c197c12bb33da6314c4ef4f8f6fcb9e25250c085df8672adf67c8f1e3dbc"
           },
           "publicDataTree": {
             "nextAvailableLeafIndex": 384,
-            "root": "0x021a6cc64c830b4914600d0296c3968c5d28c1b00c5c4b0b33d1f39d948edbd4"
+            "root": "0x23c08a6b1297210c5e24c76b9a936250a1ce2721576c26ea797c7ec35f9e46a9"
           }
         }
       }
     },
-    "header": "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",
-    "publicInputsHash": "0x009d843e9fb93a6cf18eb3784737e8fdf2ee10b75aa4843433d10001864f32f6",
+    "header": "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",
+    "publicInputsHash": "0x00dc15ea88fb4abf65ab3e6de30cdf91c104afb5cb14296a138c28d768b34aa5",
     "numTxs": 0
   }
 }

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/private_kernel_circuit_public_inputs_composer.nr

@@ -10,8 +10,8 @@ use dep::types::{
     MAX_NOTE_HASH_READ_REQUESTS_PER_CALL, MAX_NOTE_HASHES_PER_TX,
     MAX_PRIVATE_CALL_STACK_LENGTH_PER_CALL, MAX_PUBLIC_CALL_STACK_LENGTH_PER_CALL
 },
-    hash::{silo_encrypted_log_hash, silo_l2_to_l1_message, silo_note_hash, silo_nullifier},
-    traits::is_empty, transaction::tx_request::TxRequest,
+    hash::{silo_encrypted_log_hash, silo_note_hash, silo_nullifier}, traits::is_empty,
+    transaction::tx_request::TxRequest,
     utils::arrays::{array_length, array_to_bounded_vec, sort_by_counters_asc, sort_by_counters_desc}
 };
 
@@ -276,7 +276,6 @@ impl PrivateKernelCircuitPublicInputsComposer {
     fn silo_scoped_values(&mut self) {
         self.silo_note_hashes();
         self.silo_nullifiers();
-        self.silo_l2_to_l1_messages();
         self.silo_encrypted_logs();
     }
 
@@ -299,18 +298,6 @@ impl PrivateKernelCircuitPublicInputsComposer {
         }
     }
 
-    fn silo_l2_to_l1_messages(&mut self) {
-        let l2_to_l1_msgs = self.public_inputs.end.l2_to_l1_msgs.storage;
-        let tx_context = self.public_inputs.constants.tx_context;
-        for i in 0..l2_to_l1_msgs.len() {
-            self.public_inputs.end.l2_to_l1_msgs.storage[i].message.content = silo_l2_to_l1_message(
-                l2_to_l1_msgs[i],
-                tx_context.version,
-                tx_context.chain_id,
-            );
-        }
-    }
-
     fn silo_encrypted_logs(&mut self) {
         let logs = self.public_inputs.end.encrypted_logs_hashes.storage;
         for i in 0..logs.len() {

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/tail_output_composer.nr

@@ -42,7 +42,7 @@ impl TailOutputComposer {
         let mut data = CombinedAccumulatedData::empty();
         data.note_hashes = source.note_hashes.storage.map(|n: ScopedNoteHash| n.note_hash.value);
         data.nullifiers = source.nullifiers.storage.map(|n: ScopedNullifier| n.nullifier.value);
-        data.l2_to_l1_msgs = source.l2_to_l1_msgs.storage.map(|m: ScopedL2ToL1Message| m.message.content);
+        data.l2_to_l1_msgs = source.l2_to_l1_msgs.storage.map(|m: ScopedL2ToL1Message| m.expose_to_public());
         data.note_encrypted_logs_hash = compute_tx_note_logs_hash(source.note_encrypted_logs_hashes.storage.map(|l: NoteLogHash| l.expose_to_public()));
         data.encrypted_logs_hash = compute_tx_logs_hash(source.encrypted_logs_hashes.storage.map(|l: ScopedEncryptedLogHash| l.expose_to_public()));
         data.unencrypted_logs_hashes = source.unencrypted_logs_hashes.storage.map(|l: ScopedLogHash| l.expose_to_public());

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/tail_output_validator.nr

@@ -14,10 +14,8 @@ use dep::types::{
     kernel_circuit_public_inputs::{KernelCircuitPublicInputs, PrivateKernelCircuitPublicInputs},
     log_hash::{LogHash, NoteLogHash, ScopedEncryptedLogHash, ScopedLogHash}
 },
-    hash::{
-    compute_tx_logs_hash, compute_tx_note_logs_hash, silo_encrypted_log_hash, silo_l2_to_l1_message,
-    silo_note_hash, silo_nullifier
-},
+    messaging::l2_to_l1_message::ScopedL2ToL1Message,
+    hash::{compute_tx_logs_hash, compute_tx_note_logs_hash, silo_encrypted_log_hash, silo_note_hash, silo_nullifier},
     traits::is_empty,
     utils::arrays::{assert_sorted_transformed_value_array, assert_sorted_array_with_order_hints}
 };
@@ -99,16 +97,9 @@ impl TailOutputValidator {
         );
 
         // l2_to_l1_msgs
-        let tx_context = self.previous_kernel.constants.tx_context;
-        validate_transformed_values(
-            self.previous_kernel.end.l2_to_l1_msgs,
-            self.hints.siloed_l2_to_l1_msgs,
-            |msg| silo_l2_to_l1_message(msg, tx_context.version, tx_context.chain_id)
-        );
-
         assert_sorted_transformed_value_array(
             self.previous_kernel.end.l2_to_l1_msgs,
-            self.hints.siloed_l2_to_l1_msgs,
+            self.previous_kernel.end.l2_to_l1_msgs.map(|log: ScopedL2ToL1Message| log.expose_to_public()),
             self.output.end.l2_to_l1_msgs,
             self.hints.sorted_l2_to_l1_msg_hints
         );

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/tail_output_validator/tail_output_hints.nr

@@ -7,7 +7,7 @@ use dep::types::{
     MAX_ENCRYPTED_LOGS_PER_TX, MAX_L2_TO_L1_MSGS_PER_TX, MAX_NOTE_HASHES_PER_TX, MAX_NULLIFIERS_PER_TX,
     MAX_NOTE_ENCRYPTED_LOGS_PER_TX, MAX_UNENCRYPTED_LOGS_PER_TX
 },
-    hash::{silo_encrypted_log_hash, silo_l2_to_l1_message, silo_note_hash, silo_nullifier},
+    hash::{silo_encrypted_log_hash, silo_note_hash, silo_nullifier},
     messaging::l2_to_l1_message::ScopedL2ToL1Message, traits::{Empty, is_empty},
     utils::arrays::{OrderHint, sort_by_counters_asc, sort_get_order_hints_asc}
 };
@@ -20,7 +20,6 @@ struct TailOutputHints {
     siloed_nullifiers: [Field; MAX_NULLIFIERS_PER_TX],
     // L2 to l1 msgs.
     sorted_l2_to_l1_msg_hints: [OrderHint; MAX_L2_TO_L1_MSGS_PER_TX],
-    siloed_l2_to_l1_msgs: [Field; MAX_L2_TO_L1_MSGS_PER_TX],
     // Note encrypted log hashes.
     note_encrypted_log_hashes: [LogHash; MAX_NOTE_ENCRYPTED_LOGS_PER_TX],
     sorted_note_encrypted_log_hashes: [LogHash; MAX_NOTE_ENCRYPTED_LOGS_PER_TX],
@@ -45,15 +44,6 @@ unconstrained pub fn generate_tail_output_hints(previous_kernel: PrivateKernelCi
     // l2_to_l1_msgs
     let sorted_l2_to_l1_msg_hints = sort_get_order_hints_asc(previous_kernel.end.l2_to_l1_msgs);
 
-    let tx_context = previous_kernel.constants.tx_context;
-    let siloed_l2_to_l1_msgs = previous_kernel.end.l2_to_l1_msgs.map(
-        |m: ScopedL2ToL1Message| silo_l2_to_l1_message(
-            m,
-            tx_context.version,
-            tx_context.chain_id,
-        )
-    );
-
     // note_encrypted_logs
     let note_encrypted_log_hashes = previous_kernel.end.note_encrypted_logs_hashes.map(|h: NoteLogHash| h.expose_to_public());
     let sorted_note_encrypted_log_hashes = sort_by_counters_asc(previous_kernel.end.note_encrypted_logs_hashes).map(|h: NoteLogHash| h.expose_to_public());
@@ -77,7 +67,6 @@ unconstrained pub fn generate_tail_output_hints(previous_kernel: PrivateKernelCi
         sorted_nullifier_hints,
         siloed_nullifiers,
         sorted_l2_to_l1_msg_hints,
-        siloed_l2_to_l1_msgs,
         note_encrypted_log_hashes,
         sorted_note_encrypted_log_hashes,
         sorted_siloed_encrypted_log_hashes,

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/tail_to_public_output_composer/split_to_public.nr

@@ -44,9 +44,9 @@ pub fn split_to_public(
         if i < l2_to_l1_msgs.len() {
             let msg = l2_to_l1_msgs.get_unchecked(i);
             if msg.counter() < min_revertible_side_effect_counter {
-                non_revertible_builder.l2_to_l1_msgs.push(msg.message.content);
+                non_revertible_builder.l2_to_l1_msgs.push(msg.expose_to_public());
             } else {
-                revertible_builder.l2_to_l1_msgs.push(msg.message.content);
+                revertible_builder.l2_to_l1_msgs.push(msg.expose_to_public());
             }
         }
     }

noir-projects/noir-protocol-circuits/crates/private-kernel-lib/src/components/tail_to_public_output_validator.nr

@@ -12,8 +12,8 @@ use dep::types::{
     log_hash::{LogHash, ScopedEncryptedLogHash, NoteLogHash, ScopedLogHash}, note_hash::NoteHash,
     nullifier::Nullifier, public_call_request::PublicCallRequest
 },
-    address::AztecAddress,
-    hash::{silo_encrypted_log_hash, silo_l2_to_l1_message, silo_note_hash, silo_nullifier},
+    messaging::l2_to_l1_message::ScopedL2ToL1Message, address::AztecAddress,
+    hash::{silo_encrypted_log_hash, silo_note_hash, silo_nullifier},
     traits::{Empty, is_empty, is_empty_array},
     utils::arrays::{
     array_length, assert_split_sorted_transformed_value_arrays_asc,
@@ -128,16 +128,10 @@ impl TailToPublicOutputValidator {
         );
 
         // l2_to_l1_msgs
-        let tx_context = self.previous_kernel.constants.tx_context;
-        validate_transformed_values(
-            prev_data.l2_to_l1_msgs,
-            hints.siloed_l2_to_l1_msgs,
-            |msg| silo_l2_to_l1_message(msg, tx_context.version, tx_context.chain_id)
-        );
 
         assert_split_sorted_transformed_value_arrays_asc(
             prev_data.l2_to_l1_msgs,
-            hints.siloed_l2_to_l1_msgs,
+            prev_data.l2_to_l1_msgs.map(|log: ScopedL2ToL1Message| log.expose_to_public()),
             split_counter,
             output_non_revertible.l2_to_l1_msgs,
             output_revertible.l2_to_l1_msgs,