createMMRDataParentNode

@totemsdk/server

---

@totemsdk/server / createMMRDataParentNode

Function: createMMRDataParentNode()

createMMRDataParentNode(left, right): MMRData

Create MMRData parent node matching Minima's MMRData.CreateMMRDataParentNode

From MMRData.java: MiniNumber sumvalue = zLeft.getValue().add(zRight.getValue()); MiniData combinedhash = Crypto.getInstance().hashAllObjects( MiniNumber.ONE, zLeft.getData(), zRight.getData(), sumvalue);

CRITICAL: The getData() returns MiniData (the hash), which is serialized with writeDataStream (4-byte length) in hashAllObjects.

Serialization order:

1. MiniNumber.ONE: [0x00, 0x01, 0x01]
2. MiniData (left.data): [4-byte length] + [bytes]
3. MiniData (right.data): [4-byte length] + [bytes]
4. MiniNumber (sumvalue): serialized MiniNumber

Parameters

left

MMRData

right

MMRData

Returns

MMRData