5.4.4.10 Retrieving DApp Block Height API

This interface is used to retrieve block height in a DApp.

1. Interface address:

https://PCNGatewayAddress/api/fiscobcos/v1/node/getBlockHeight

2. Call Method: POST

3. Signature algorithm: required and refer to Section 5.4.4.1

4. Call parameters

No. Field name Field Type Required Remarks
1 Header header Map Y
2 Body body Map Y
3 Signature Value mac String Y
header
1 user unique ID userCode String Y
2 DApp unique ID appCode String Y

Example:

{"header":{"appCode":"cl0006202003181926573677572","userCode":"USER0006202003181951281835816"},"body":{},"mac":"MEQCIHb2o7hb0apDukOQBXkZftETsizDBaftnHxO9A9ux5EtAiABuiFrVYPWT5FiU+Wd9HpXF/AJh0Yh2SXtL6h98m4eZw=="}

5. Response parameters

No. Field name Field Type Required Remarks
1 Header header Map Y
2 Body body Map Y
3 Signature Value mac String Y
header
1 Response ID code int Y 0: authentication successful -1: authentication failed
2 Response message msg String N if code=0 then can be null
Body
1 Block Height data string N If code not 0, then leave blank

Example:

{
  "header": {
    "code": 0,
    "msg": "Transaction Successful"
  },
  "mac": "MEQCICtCOdv4ZL72M3WoA9nAei2P0/PpKjlgI0Y5qeuzg61uAiA9D3TcB/+b2RMuNwVq+X0vgiglHfM5NBhoTJPR0gCPMA==",
  "body": {
    "data": "4"
  }
}
© 2019-2020 Red Date (Hong Kong) Technology Limited. all right reserved,powered by GitbookFile Modify: 2021-04-02 11:08:44

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