voteAppHash

Validators vote on the application state hash as part of the consensus mechanism.

Sample Data

{
  "signature": {
    "r": "0xccd84bb5e2f144ec741af1a81d2fc318d8ccb75eaf500371c1515c1e695b2213",
    "s": "0x25a8b7da621dccbd161fb61487c6bd8e369d1ba28567b26b3ac6ab647b84e270",
    "v": 28
  },
  "action": {
    "type": "voteAppHash",
    "height": 858146000,
    "appHash": "0x9133a75f5e126769845b4bd35e7b6b02456c1f3df72f146eb89e0e86c61415d7",
    "signature": {
      "r": "0x381dcf885e27e08f1547ded9a97f3d51eef2857d86164993d8416c2deeeb8de1",
      "s": "0x4ad114432fef3b53b791a568a118f99ec881922ce57fa2e2df1f4fb9272c609f",
      "v": 27
    }
  },
  "nonce": 1768146734574
}

View this transaction on Hypurrscan →

Field Reference

Action Fields

Field	Type	Description
type	string	Always "voteAppHash"
height	number	Block height being voted on
appHash	string	Application state hash
signature	object	Validator's signature on the vote

Use Cases

Consensus Monitoring

Track validator voting activity:

def process_voteAppHash_action(action):
    height = action.get('height')
    app_hash = action.get('appHash')
    print(f"State vote: height {height}, hash {app_hash[:20]}...")

Related Action Types

• VoteEthDepositAction - Deposit votes
• tokenDelegate - Token staking