update Weight
abstract fun updateWeight(newWeight: HDWeight, oldWeight: HDWeight, precision: Int? = null): Completable
Update existing weight.
If updated weight is less or equal than current active goal weight than the goal will be updated to GoalStatus.REACHED status.
Weight must be between ValidatorTool.WEIGHT_BOTTOM and ValidatorTool.WEIGHT_TOP. If weight is out of this bounds than IllegalArgumentException will be emitted.
precision will be used to round newWeight and check does it complete weight goal.
Return
Completable that completes when weight is updated
Parameters
new Weight
changed weight
old Weight
weight before changing
precision
count of significant digits after point (optional)