zks_getProtocolVersion | Alchemy Docs

1 import requests 2 3 url = "https://zksync-mainnet.g.alchemy.com/v2/:apiKey" 4 5 payload = {} 6 headers = {"Content-Type": "application/json"} 7 8 response = requests.post(url, json=payload, headers=headers) 9 10 print(response.json())

1 { 2 "jsonrpc": "2.0", 3 "id": "1", 4 "result": { 5 "version_id": 22, 6 "timestamp": 1710264138, 7 "verification_keys_hashes": { 8 "params": { 9 "recursion_node_level_vk_hash": "0x5a3ef282b21e12fe1f4438e5bb158fc5060b160559c5158c6389d62d9fe3d080", 10 "recursion_leaf_level_vk_hash": "0x400a4b532c6f072c00d1806ef299300d4c104f4ac55bd8698ade78894fcadc0a", 11 "recursion_circuits_set_vks_hash": "0x0000000000000000000000000000000000000000000000000000000000000000" 12 }, 13 "recursion_scheduler_level_vk_hash": "0x063c6fb5c70404c2867f413a8e35563ad3d040b1ad8c11786231bfdba7b472c7" 14 }, 15 "base_system_contracts": { 16 "bootloader": "0x010007ede999d096c84553fb514d3d6ca76fbf39789dda76bfeda9f3ae06236e", 17 "default_aa": "0x0100055b041eb28aff6e3a6e0f37c31fd053fc9ef142683b05e5f0aee6934066" 18 }, 19 "l2_system_upgrade_tx_hash": null 20 } 21 }

Retrieves the current protocol version.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

Version IDintegerOptional

Specific version ID to query.

Response

Current protocol version information.

version_idinteger or null

Protocol version ID

timestampuint64 or null

Unix timestamp of the version's activation

verification_keys_hashesobject or null

Hashes of various verification keys used in the protocol

base_system_contractsobject or null

Hashes of the base system contracts like bootloader and default AA

l2_system_upgrade_tx_hashstring or nullformat: "^0x[a-fA-F0-9]{64}$"

Hash of the transaction used for the system upgrade, if any