41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
-- This should be its own package!
|
|
|
|
module Exercise3.Solutions.Modularized.Cash where
|
|
|
|
import Exercise3.Solutions.Modularized.Interfaces
|
|
|
|
template Cash
|
|
with
|
|
issuer : Party
|
|
owner : Party
|
|
quantity : Decimal
|
|
obs : [Party]
|
|
where
|
|
signatory [issuer, owner]
|
|
observer obs
|
|
|
|
interface instance IAsset for Cash where
|
|
view = VAsset with
|
|
assetType = "Cash"
|
|
..
|
|
set_obs newObs = toInterface (this with obs = newObs)
|
|
set_owner newOwner = toInterface (this with owner = newOwner)
|
|
set_quantity newQuantity = toInterface (this with quantity = newQuantity)
|
|
transfer_for newOwner = toInterface $ CashTransferProposal with cash = this; ..
|
|
|
|
-- Workaround for https://github.com/digital-asset/daml/issues/15459
|
|
myView = view
|
|
|
|
template CashTransferProposal
|
|
with
|
|
newOwner : Party
|
|
cash : Cash
|
|
where
|
|
signatory (signatory cash)
|
|
observer newOwner
|
|
|
|
interface instance IAssetTransferProposal for CashTransferProposal where
|
|
view = VAssetTransferProposal with
|
|
newOwner = newOwner
|
|
vasset = myView (toInterface @IAsset cash)
|
|
asset = toInterface @IAsset cash |