Develop

main/constants.zkasm

@@ -6,7 +6,7 @@ CONST %BATCH_DIFFICULTY = 0
 CONST %TX_GAS_LIMIT = 30000000
 CONSTL %BLOCK_GAS_LIMIT = 2**50
 CONST %MAX_MEM_EXPANSION_BYTES = 0x3fffe0
-CONST %FORK_ID = 8
+CONST %FORK_ID = 9
 CONST %L1INFO_TREE_LEVELS = 32
 CONST %CALLDATA_RESERVED_CTX = 1
 CONSTL %FOUR_GOLDILOCKS = 0xffffffff00000001ffffffff00000001ffffffff00000001ffffffff00000001n
@@ -142,3 +142,4 @@ CONST %CHANGE_L2_BLOCK_TX_TYPE = 0x0b
 CONST %DELTA_TIMESTAMP_NUM_BYTES = 4
 CONST %INDEX_L1INFOTREE_NUM_BYTES = 4
 CONST %TX_TYPE_NUM_BYTES = 1
+CONSTL %L1_INFO_DATA_ZERO = 0x3cac317908c699fe873a7f6ee4e8cd63fbe9918b2315c97be91585590168e301n

main/process-change-l2-block.zkasm

@@ -86,12 +86,12 @@ verifyTimestampAndL1InfoRoot:
     $ => SR                             :SSTORE
 
     ; check indexL1InfoTree != 0 to verify data L1InfoTree
-    $                                               :MLOAD(indexL1InfoTree), JMPZ(skipSetGERL1InfoTree)
+    $                                                   :MLOAD(indexL1InfoTree), JMPZ(skipSetGERL1InfoTree)
 
-${getL1InfoGER(mem.indexL1InfoTree)} => A           :MSTORE(gerL1InfoTree)
-${getL1InfoBlockHash(mem.indexL1InfoTree)} => B     :MSTORE(blockHashL1InfoTree)
-${getL1InfoTimestamp(mem.indexL1InfoTree)} => C     :MSTORE(timestampL1InfoTree)
-                                                    :CALL(verifyMerkleProof)
+    ${getL1InfoGER(mem.indexL1InfoTree)} => A           :MSTORE(gerL1InfoTree)
+    ${getL1InfoBlockHash(mem.indexL1InfoTree)} => B     :MSTORE(blockHashL1InfoTree)
+    ${getL1InfoTimestamp(mem.indexL1InfoTree)} => C     :MSTORE(timestampL1InfoTree)
+                                                        :CALL(verifyMerkleProof)
 
     ; Verify (currentTimestamp + deltaTimestamp) >= l1InfoRoot.timestamp
     $ => A                                          :MLOAD(timestamp)

main/utils.zkasm

@@ -845,6 +845,8 @@ invalidChangeL2BlockLimitTimestamp:
     $${eventLog(onError, invalid_change_l2_block_limit_timestamp)}  :JMP(handleBatchError)
 invalidChangeL2BlockMinTimestamp:
     $${eventLog(onError, invalid_change_l2_block_min_timestamp)}    :JMP(handleBatchError)
+invalidL1InfoTreeIndex:
+    $${eventLog(onError, invalid_l1_info_tree_index)}    :JMP(handleBatchError)
 outOfGas:
     $${eventLog(onError, OOG)}                      :JMP(handleError)
 invalidJump:
@@ -1666,9 +1668,12 @@ verifyMerkleProof:
     ; 1 keccak for the leaf and 32 for the L1InfoTree
     %MAX_CNT_KECCAK_F - CNT_KECCAK_F - E - 33   :JMPN(outOfCountersKeccak)
     ; 7 steps at most per bit + 21 statics
-    %MAX_CNT_STEPS - STEP - 7 * 32 - 21         :JMPN(outOfCountersStep)
+    %MAX_CNT_STEPS - STEP - 7 * 32 - 25         :JMPN(outOfCountersStep)
+    ; check binaries
+    %MAX_CNT_BINARY - CNT_BINARY - 1            :JMPN(outOfCountersBinary)
 
     RR                                          :MSTORE(tmpZkPCVerifyMerkleProof)
+    0                                           :MSTORE(isL1InfoDataZero)
 
     ;;;;;;;;;;;;;;;;;;;;;
     ;; compute leaf value
@@ -1692,8 +1697,14 @@ verifyMerkleProof:
 
     ; compute l1InfoTree Leaf value
     HASHPOS                                 :HASHKLEN(E)
-    $ => C                                  :HASHKDIGEST(E) ; initial value
+    $ => C, A                               :HASHKDIGEST(E) ; initial value
+    ; allow to set value to all zeroes if all its values are zero
+    %L1_INFO_DATA_ZERO => B
+    $                                       :EQ, JMPNC(continueVerifyMerkleProof)
+    1                                       :MSTORE(isL1InfoDataZero)
+    0 => C
 
+continueVerifyMerkleProof:
     ; initialization registers for smt verify
     0 => D, A
 
@@ -2261,6 +2272,7 @@ hashBranchEnd31:
 verifyMerkleProofEnd:
     $ => A                        :MLOAD(l1InfoRoot)
     C                             :ASSERT
+    $                             :MLOAD(isL1InfoDataZero), JMPNZ(invalidL1InfoTreeIndex)
 
 verifyMerkleProofReturn:
     $ => RR                       :MLOAD(tmpZkPCVerifyMerkleProof)

main/vars.zkasm

@@ -56,6 +56,8 @@ VAR GLOBAL isLoadingRLP ; flag to determine if the function is called from RLP l
 VAR GLOBAL globalCalldataMemoryOffset ; Aux variable to store current calldata memory offset at calldata CTX's memory
 
 VAR GLOBAL txIndex ; index of the current tx in the block
+VAR GLOBAL isL1InfoDataZero; indicates if the l1 info data value to be prove has zero value
+
 VAR CTX txGasLimit ; transaction parameter: 'gas limit'
 VAR CTX txDestAddr ; transaction parameter: 'to'
 VAR CTX storageAddr ; address which the storage will be modified

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@0xpolygonhermez/zkevm-rom",
-  "version": "5.0.0",
+  "version": "6.0.0",
   "description": "zkROM source code",
   "main": "index.js",
   "scripts": {
@@ -43,9 +43,9 @@
     "yargs": "^17.5.1"
   },
   "devDependencies": {
-    "@0xpolygonhermez/zkevm-commonjs": "github:0xPolygonHermez/zkevm-commonjs#v5.0.0-fork.8",
-    "@0xpolygonhermez/zkevm-proverjs": "github:0xPolygonHermez/zkevm-proverjs#493569b08869a496e5de379c83263e4a10d5e585",
-    "@0xpolygonhermez/zkevm-testvectors": "github:0xPolygonHermez/zkevm-testvectors#v5.0.0-fork.8",
+    "@0xpolygonhermez/zkevm-commonjs": "github:0xPolygonHermez/zkevm-commonjs#v6.0.0-fork.9",
+    "@0xpolygonhermez/zkevm-proverjs": "github:0xPolygonHermez/zkevm-proverjs#39508f69cb191487a065ffbf76c647cd83b59720",
+    "@0xpolygonhermez/zkevm-testvectors": "github:0xPolygonHermez/zkevm-testvectors#v6.0.1-fork.9",
     "chai": "^4.3.6",
     "chalk": "^3.0.0",
     "eslint": "^8.25.0",