event/onReorganizeChain

Streams block headers when the chain reorganizes from a fork. oldHead is the head of the chain before the reorg, newHead is the head of the chain after the reorg, and fork is the header for the block at which the two forks diverged.

Request Body

undefined

Response

{
  oldHead: {
    hash: string
    sequence: number
    previousBlockHash: string
    timestamp: number
    difficulty: string
    graffiti: string
  }
  newHead: {
    hash: string
    sequence: number
    previousBlockHash: string
    timestamp: number
    difficulty: string
    graffiti: string
  }
  fork: {
    hash: string
    sequence: number
    previousBlockHash: string
    timestamp: number
    difficulty: string
    graffiti: string
  }
}

Example

# Request
curl -X POST -N http://localhost:8021/event/onReorganizeChain

# Response
{
  "data": {
    "oldHead": {
      "hash": "00000030b706cf005ca5674db2302ef3730cd249de0d8863de88292000f7c54d",
      "sequence": 2086,
      "previousBlockHash": "0000002fa93db186de8ff1638675c2fccc5dc36e9fd897a74182c434f4cadda5",
      "timestamp": 1688076914718,
      "difficulty": "50313867",
      "graffiti": "0000000000000000000000000000000000000000000000000000000000000000"
    },
    "newHead": {
      "hash": "0000001a42a0241e616e2b3a0c8901c15b6207d6ec8573ae8d0915d43a3514b3",
      "sequence": 2085,
      "previousBlockHash": "0000004788e98bb3f7c7b714a4f69b891b2cd72a3edf876c40882eb3f0bed76a",
      "timestamp": 1688076888411,
      "difficulty": "50240925",
      "graffiti": "0000000000000000000000000000000000000000000000000000000000000000"
    },
    "fork": {
      "hash": "0000004788e98bb3f7c7b714a4f69b891b2cd72a3edf876c40882eb3f0bed76a",
      "sequence": 2084,
      "previousBlockHash": "000000195fd83c2515a5f1e69cc80a0c57d38d43a749bc662ca373b15097c817",
      "timestamp": 1688076705815,
      "difficulty": "50537037",
      "graffiti": "0000000000000000000000000000000000000000000000000000000000000000"
    }
  }
}