git.delta.rocks / unique-network / refs/commits / 52d04b4c4f04

--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -665,6 +665,7 @@
             // Anyone can create a collection
             let who = ensure_signed(origin)?;
 
+            // Take a (non-refundable) deposit of collection creation
             let mut imbalance = <<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();
             imbalance.subsume(<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(
                 &T::TreasuryAccountId::get(),

25const Treasury = "5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z";25const Treasury = "5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z";
26const saneMinimumFee = 0.05;26const saneMinimumFee = 0.05;
27const saneMaximumFee = 0.5;27const saneMaximumFee = 0.5;
28const createCollectionDeposit = 100;
2829
29let alice: IKeyringPair;30let alice: IKeyringPair;
30let bob: IKeyringPair;31let bob: IKeyringPair;
127      const aliceBalanceAfter = new BigNumber((await api.query.system.account(alicesPublicKey)).data.free.toString());128      const aliceBalanceAfter = new BigNumber((await api.query.system.account(alicesPublicKey)).data.free.toString());
128      const fee = aliceBalanceBefore.minus(aliceBalanceAfter);129      const fee = aliceBalanceBefore.minus(aliceBalanceAfter);
129130
130      expect(fee.dividedBy(1e15).toNumber()).to.be.lessThan(saneMaximumFee);131      expect(fee.dividedBy(1e15).toNumber()).to.be.lessThan(saneMaximumFee + createCollectionDeposit);
131      expect(fee.dividedBy(1e15).toNumber()).to.be.greaterThan(saneMinimumFee);132      expect(fee.dividedBy(1e15).toNumber()).to.be.greaterThan(saneMinimumFee  + createCollectionDeposit);
132    });133    });
133  });134  });
134135