Skip to main content

zks_getL2ToL1LogProof

Returns the proof for the corresponding L2 to L1 log. The index of the log that can be obtained from the transaction receipt.

Parameters​

  • tx_hash: [Required] Hash of the L2 transaction the L2 to L1 log was produced in.
  • l2_to_l1_log_index: [Optional] The index of the L2 to L1 log in the transaction.

Response​

  • id - The position of the leaf in the Merkle tree of L2 to L1 messages for the block.
  • proof - The Merkle proof for the message.
  • root - The root hash representing the Merkle tree root at the time the log was generated.

Example​

Replace <YOUR-API-KEY> with an API key from your MetaMask Developer dashboard.

Request​

curl https://zksync-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "zks_getL2ToL1LogProof", "params": ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"]}'

Response​

{
  "jsonrpc": "2.0",
  "result": {
    "id": 0,
    "proof": [
      "0x8c48910df2ca7de509daf50b3182fcdf2dd6c422c6704054fd857d6c9516d6fc",
      "0xc5028885760b8b596c4fa11497c783752cb3a3fb3b8e6b52d7e54b9f1c63521e",
      "0xeb1f451eb8163723ee19940cf3a8f2a2afdf51100ce8ba25839bd94a057cda16",
      "0x7aabfd367dea2b5306b8071c246b99566dae551a1dbd40da791e66c4f696b236",
      "0xe4733f281f18ba3ea8775dd62d2fcd84011c8c938f16ea5790fd29a03bf8db89",
      "0x1798a1fd9c8fbb818c98cff190daa7cc10b6e5ac9716b4a2649f7c2ebcef2272",
      "0x66d7c5983afe44cf15ea8cf565b34c6c31ff0cb4dd744524f7842b942d08770d",
      "0xb04e5ee349086985f74b73971ce9dfe76bbed95c84906c5dffd96504e1e5396c",
      "0xac506ecb5465659b3a927143f6d724f91d8d9c4bdb2463aee111d9aa869874db"
    ],
    "root": "0x920c63cb0066a08da45f0a9bf934517141bd72d8e5a51421a94b517bf49a0d39"
  },
  "id": 1
}