508 lines
23 KiB
OCaml
508 lines
23 KiB
OCaml
(*****************************************************************************)
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(* *)
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(* Open Source License *)
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(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
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(* *)
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(* Permission is hereby granted, free of charge, to any person obtaining a *)
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(* copy of this software and associated documentation files (the "Software"),*)
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(* to deal in the Software without restriction, including without limitation *)
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(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
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(* and/or sell copies of the Software, and to permit persons to whom the *)
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(* Software is furnished to do so, subject to the following conditions: *)
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(* *)
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(* The above copyright notice and this permission notice shall be included *)
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(* in all copies or substantial portions of the Software. *)
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(* *)
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(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
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(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
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(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
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(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
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(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
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(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
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(* DEALINGS IN THE SOFTWARE. *)
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(* *)
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(*****************************************************************************)
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open Proto_alpha
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open Alpha_context
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open Test_utils
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open Test_tez
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(*********************************************************************)
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(* Utility functions *)
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(*********************************************************************)
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(** 1- Transfer the amount of tez from a source contract to a
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destination contract with or without the fee of transfer.
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2- Check the equivalent of the balance of the source/destination
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contract before and after the transfer *)
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let transfer_and_check_balances ~loc b ?(fee=Tez.zero) ?expect_failure src dst amount =
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Tez.(+?) fee amount >>?= fun amount_fee ->
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Context.Contract.balance (I b) src >>=? fun bal_src ->
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Context.Contract.balance (I b) dst >>=? fun bal_dst ->
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Op.transaction (I b) ~fee src dst amount >>=? fun op ->
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Incremental.add_operation ?expect_failure b op >>=? fun b ->
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Assert.balance_was_debited ~loc (I b) src bal_src amount_fee >>=? fun () ->
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Assert.balance_was_credited ~loc (I b) dst bal_dst amount >>=? fun () ->
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return (b, op)
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(** 1- Transfer the amount of tez from/to a contract itself, with or
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without fee of transfer.
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2- Check the equivalent of the balance of the contract before
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and after transfer *)
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let transfer_to_itself_and_check_balances ~loc b ?(fee=Tez.zero) contract amount =
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Context.Contract.balance (I b) contract >>=? fun bal ->
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Op.transaction (I b) ~fee contract contract amount >>=? fun op ->
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Incremental.add_operation b op >>=? fun b ->
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Assert.balance_was_debited ~loc (I b) contract bal fee >>=? fun () ->
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return (b, op)
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(** Apply a transfer n times *)
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let n_transactions n b ?fee source dest amount =
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fold_left_s (fun b _ ->
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transfer_and_check_balances ~loc:__LOC__ b ?fee source dest amount >>=? fun (b,_) ->
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return b)
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b (1 -- n)
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let ten_tez = Tez.of_int 10
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(*********************************************************************)
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(* Tests *)
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(*********************************************************************)
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let register_two_contracts () =
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Context.init 2 >>=? fun (b, contracts) ->
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let contract_1 = List.nth contracts 0 in
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let contract_2 = List.nth contracts 1 in
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return (b, contract_1, contract_2)
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(** 1- Create a block and two contracts;
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2- Add a single transfer into this block;
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3- Bake this block. *)
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let single_transfer ?fee ?expect_failure amount =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ ?fee ?expect_failure
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b contract_1 contract_2 amount >>=? fun (b,_) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** single transfer without fee *)
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let block_with_a_single_transfer () =
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single_transfer Tez.one
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(** single transfer without fee *)
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let transfer_zero_tez () =
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single_transfer ~expect_failure:(
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function
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| Alpha_environment.Ecoproto_error (Contract_storage.Empty_transaction _) :: _ ->
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return_unit
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| _ ->
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failwith "Empty transaction should fail")
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Tez.zero
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(** single transfer with fee *)
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let block_with_a_single_transfer_with_fee () =
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single_transfer ~fee:Tez.one Tez.one
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(** 1- Create a block, and a single contract;
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2- Add the originate operation into this block;
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3- Add a transfer from a contract to a contract created by
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originate operation, that requires to pay a fee of transfer;
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4- Bake this block. *)
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let block_originate_and_transfer_with_fee () =
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Context.init 1 >>=? fun (b, contracts) ->
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let contract = List.nth contracts 0 in
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Incremental.begin_construction b >>=? fun b ->
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Op.origination (I b) ~fee:ten_tez contract >>=? fun (operation, new_contract) ->
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Incremental.add_operation b operation >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b ~fee:ten_tez contract new_contract ten_tez >>=? fun (b, _) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block, and two contracts;
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2- Add a transfer from a current balance of a source contract
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into this block;
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3- Bake this block. *)
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let block_transfer_from_contract_balance () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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Context.Contract.balance (I b) contract_1 >>=? fun balance ->
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transfer_and_check_balances ~loc:__LOC__ b contract_1 contract_2 balance >>=? fun (b,_) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block and a single contract;
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2- Add a transfer to a contract itself without fee into this block;
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3- Add a transfer to a contract itself with fee into this block;
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4- Bake this block. *)
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let block_transfers_without_with_fee_to_self () =
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Context.init 1 >>=? fun (b, contracts) ->
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let contract = List.nth contracts 0 in
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Incremental.begin_construction b >>=? fun b ->
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transfer_to_itself_and_check_balances ~loc:__LOC__ b contract ten_tez
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>>=? fun (b, _) ->
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transfer_to_itself_and_check_balances ~loc:__LOC__ b ~fee:ten_tez contract ten_tez
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>>=? fun (b, _) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block, two contracts;
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2- Add three transfers into the block;
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3- Do a transfer without adding it to the block;
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4- Bake the block with three transfers. *)
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let four_transfers_bake_three_transfers () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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n_transactions 3 b contract_1 contract_2 ten_tez >>=? fun b ->
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Op.transaction (I b) contract_1 contract_2 ten_tez >>=? fun _ ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a contract from a bootstrap contract;
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2- Create two implicit contracts;
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3- Build a block from genesis;
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4- Add a transfer with fee for transfer from a bootstrap contract into an
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implicit contract into this block;
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5- Add a transfer with fee for transfer, between two implicit contracts
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into this block;
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6- Bake this block. *)
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let transfer_from_implicit_to_implicit_contract () =
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Context.init 1 >>=? fun (b, contracts) ->
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let bootstrap_contract = List.nth contracts 0 in
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let account_a = Account.new_account () in
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let account_b = Account.new_account () in
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Incremental.begin_construction b >>=? fun b ->
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let src = Contract.implicit_contract account_a.Account.pkh in
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transfer_and_check_balances ~loc:__LOC__ ~fee:ten_tez b
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bootstrap_contract src (Tez.of_int 20) >>=? fun (b, _) ->
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let dest = Contract.implicit_contract account_b.pkh in
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transfer_and_check_balances ~loc:__LOC__ ~fee:(Tez.of_int 3) b
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src dest ten_tez >>=? fun (b, _) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block, contract from bootstrap accounts, contract from originate;
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2- Add a transfer from the bootstract contract into the implicit contract;
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3- Add a transfer from the impicit contract to the originate contract;
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4- Bake this block. *)
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let transfer_from_implicit_to_originated_contract () =
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Context.init 1 >>=? fun (b, contracts) ->
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let bootstrap_contract = List.nth contracts 0 in
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let contract = List.nth contracts 0 in
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let account = Account.new_account () in
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let src = Contract.implicit_contract account.Account.pkh in
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Incremental.begin_construction b >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b bootstrap_contract src ten_tez
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>>=? fun (b, _) ->
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Op.origination (I b) contract >>=? fun (operation, new_contract) ->
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Incremental.add_operation b operation >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b src new_contract Alpha_context.Tez.one
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>>=? fun (b, _) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block with 2 contracts;
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2- Originate 2 contracts from the previous ones;
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2- Add a transfer between the two originated contracts;
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3- Bake this block. *)
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let transfer_from_originated_to_originated () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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Op.origination (I b) contract_1 >>=? fun (operation, orig_contract_1) ->
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Incremental.add_operation b operation >>=? fun b ->
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Op.origination (I b) contract_2 >>=? fun (operation, orig_contract_2) ->
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Incremental.add_operation b operation >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b
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orig_contract_1 orig_contract_2 Alpha_context.Tez.one >>=? fun (b,_) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block, an originate contract, an impicit contract, a contract
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from bootstrap;
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2- Add a transfer from the originate contract to impicit contract;
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3- Bake this block. *)
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let transfer_from_originated_to_implicit () =
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Context.init 1 >>=? fun (b, contracts) ->
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let contract_1 = List.nth contracts 0 in
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let account = Account.new_account () in
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let src = Contract.implicit_contract account.pkh in
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Incremental.begin_construction b >>=? fun b ->
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Op.origination (I b) contract_1 >>=? fun (operation, new_contract) ->
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Incremental.add_operation b operation >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b new_contract src Alpha_context.Tez.one
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>>=? fun (b, _) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** Checking that the sender of a transaction is the actual
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manager of the contract.
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Ownership of sender manager key (in case of a contract) *)
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let ownership_sender () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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(* get the manager of the contract_1 as a sender *)
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Context.Contract.manager (I b) contract_1 >>=? fun manager ->
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(* create an implicit_contract *)
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let imcontract_1 = Alpha_context.Contract.implicit_contract manager.pkh in
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transfer_and_check_balances ~loc:__LOC__ b imcontract_1 contract_2 Tez.one
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>>=? fun (b,_) ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(* Slow tests case *)
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let multiple_transfer n ?fee amount =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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n_transactions n b ?fee contract_1 contract_2 amount >>=? fun b ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block with two contracts;
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2- Apply 100 transfers. *)
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let block_with_multiple_transfers () =
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multiple_transfer 99 (Tez.of_int 1000)
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(** 1- Create a block with two contracts;
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2- Apply 100 transfers with 10tz fee. *)
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let block_with_multiple_transfers_pay_fee () =
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multiple_transfer 10 ~fee:ten_tez (Tez.of_int 1000)
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(** 1- Create a block with 8 contracts;
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2- Apply multiple transfers without fees;
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3- Apply multiple transfers with fees. *)
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(* TODO : increase the number of operations and add a `Slow tag to it in `tests` *)
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let block_with_multiple_transfers_with_without_fee () =
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Context.init 8 >>=? fun (b, contracts) ->
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let contracts = Array.of_list contracts in
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Incremental.begin_construction b >>=? fun b ->
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let hundred = Tez.of_int 100 in
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let ten = Tez.of_int 10 in
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let twenty = Tez.of_int 20 in
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n_transactions 10 b contracts.(0) contracts.(1) Tez.one >>=? fun b ->
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n_transactions 30 b contracts.(1) contracts.(2) hundred >>=? fun b ->
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n_transactions 30 b contracts.(1) contracts.(3) hundred >>=? fun b ->
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n_transactions 30 b contracts.(4) contracts.(3) hundred >>=? fun b ->
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n_transactions 20 b contracts.(0) contracts.(1) hundred >>=? fun b ->
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n_transactions 10 b contracts.(1) contracts.(3) hundred >>=? fun b ->
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n_transactions 10 b contracts.(1) contracts.(3) hundred >>=? fun b ->
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n_transactions 20 ~fee:ten b contracts.(3) contracts.(4) ten >>=? fun b ->
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n_transactions 10 ~fee:twenty b contracts.(4) contracts.(5) ten >>=? fun b ->
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n_transactions 70 ~fee:twenty b contracts.(6) contracts.(0) twenty >>=? fun b ->
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n_transactions 550 ~fee:twenty b contracts.(6) contracts.(4) twenty >>=? fun b ->
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n_transactions 50 ~fee:ten b contracts.(7) contracts.(5) twenty >>=? fun b ->
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n_transactions 30 ~fee:ten b contracts.(0) contracts.(7) hundred >>=? fun b ->
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n_transactions 20 ~fee:ten b contracts.(1) contracts.(0) twenty >>=? fun b ->
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Incremental.finalize_block b >>=? fun _ ->
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return_unit
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(** 1- Create a block with two contracts;
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2- Bake 10 blocks with a transfer each time. *)
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let build_a_chain () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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let ten = Tez.of_int 10 in
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fold_left_s (fun b _ ->
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Incremental.begin_construction b >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b contract_1 contract_2 ten
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>>=? fun (b, _) ->
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Incremental.finalize_block b
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) b (1 -- 10) >>=? fun _ ->
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return_unit
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(*********************************************************************)
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(* Expected error test cases *)
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(*********************************************************************)
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(** 1- Create a block;
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2- transfer an amount of tez that is bigger than the balance of the source
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contract;
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3a- If fee is smaller than the balance:
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Transfer is accepted but not processed. Fees are taken.
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3b- If fee higher than the balance: raises an `Balance_too_low` error.
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*)
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let balance_too_low fee () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun i ->
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Context.Contract.balance (I i) contract_1 >>=? fun balance1 ->
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Context.Contract.balance (I i) contract_2 >>=? fun balance2 ->
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Op.transaction ~fee (I i) contract_1 contract_2 Tez.max_tez >>=? fun op ->
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let expect_failure = function
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| Alpha_environment.Ecoproto_error (Contract_storage.Balance_too_low _) :: _ ->
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return_unit
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| _ ->
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failwith "balance too low should fail"
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in
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if fee > balance1 then begin
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Incremental.add_operation ~expect_failure i op >>= fun _res ->
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return_unit
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end
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else begin
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Incremental.add_operation ~expect_failure i op >>=? fun i ->
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(* contract_1 loses the fees *)
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Assert.balance_was_debited ~loc:__LOC__ (I i) contract_1 balance1 fee >>=? fun () ->
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(* contract_2 is not credited *)
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Assert.balance_was_credited ~loc:__LOC__ (I i) contract_2 balance2 Tez.zero
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end
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(** 1- Create a block, and three contracts;
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2- Add a transfer that at the end the balance of a contract is
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zero into this block;
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3- Add another transfer that send tez from a zero balance contract;
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4- Catch the expected error: Balance_too_low. *)
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let balance_too_low_two_transfers fee () =
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Context.init 3 >>=? fun (b, contracts) ->
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let contract_1 = List.nth contracts 0 in
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let contract_2 = List.nth contracts 1 in
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let contract_3 = List.nth contracts 2 in
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Incremental.begin_construction b >>=? fun i ->
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Context.Contract.balance (I i) contract_1 >>=? fun balance ->
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Tez.(/?) balance 3L >>?= fun res ->
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Tez.( *?) res 2L >>?= fun two_third_of_balance ->
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transfer_and_check_balances ~loc:__LOC__ i
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contract_1 contract_2 two_third_of_balance >>=? fun (i, _) ->
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Context.Contract.balance (I i) contract_1 >>=? fun balance1 ->
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Context.Contract.balance (I i) contract_3 >>=? fun balance3 ->
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Op.transaction ~fee (I i) contract_1 contract_3
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two_third_of_balance >>=? fun operation ->
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let expect_failure = function
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| Alpha_environment.Ecoproto_error (Contract_storage.Balance_too_low _) :: _ ->
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return_unit
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| _ ->
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failwith "balance too low should fail"
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in
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Incremental.add_operation ~expect_failure i operation >>=? fun i ->
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(* contract_1 loses the fees *)
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Assert.balance_was_debited ~loc:__LOC__ (I i) contract_1 balance1 fee >>=? fun () ->
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(* contract_3 is not credited *)
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Assert.balance_was_credited ~loc:__LOC__ (I i) contract_3 balance3 Tez.zero
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(** 1- Create a block;
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2- Do two transfers one after another;
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3- Add two transfers into the block sequently;
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4- Catch the expected error: Counter_in_the_past. *)
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let invalid_counter () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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Op.transaction (I b) contract_1 contract_2
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Tez.one >>=? fun op1 ->
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Op.transaction (I b) contract_1 contract_2
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Tez.one >>=? fun op2 ->
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Incremental.add_operation b op1 >>=? fun b ->
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Incremental.add_operation b op2 >>= fun b ->
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Assert.proto_error ~loc:__LOC__ b begin function
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| Contract_storage.Counter_in_the_past _ -> true
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| _ -> false
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end
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(** 1- Create a block;
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2- Add a transfer into this block;
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3- Make another transfer, but did not add this transfer into the block,
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instead add the previous transfer again into this block;
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4- Catch the expected error: Counter_in_the_past. *)
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let add_the_same_operation_twice () =
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register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
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Incremental.begin_construction b >>=? fun b ->
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transfer_and_check_balances ~loc:__LOC__ b contract_1 contract_2 ten_tez
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>>=? fun (b, op_transfer) ->
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Op.transaction (I b) contract_1 contract_2 ten_tez >>=? fun _ ->
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Incremental.add_operation b op_transfer >>= fun b ->
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Assert.proto_error ~loc:__LOC__ b begin function
|
|
| Contract_storage.Counter_in_the_past _ -> true
|
|
| _ -> false
|
|
end
|
|
|
|
(** 1- Create a block;
|
|
2- Originate an unspendable new contract;
|
|
3- Make a transfer from this contract;
|
|
4- Catch the expected error: Unspendable_contract. *)
|
|
let unspendable_contract () =
|
|
register_two_contracts () >>=? fun (b, contract_1, contract_2) ->
|
|
Incremental.begin_construction b >>=? fun b ->
|
|
Op.origination ~spendable:false (I b) contract_1 >>=? fun (operation, unspendable_contract) ->
|
|
Incremental.add_operation b operation >>=? fun b ->
|
|
Op.transaction (I b) unspendable_contract contract_2 Alpha_context.Tez.one_cent >>=? fun operation ->
|
|
Incremental.add_operation b operation >>= fun res ->
|
|
Assert.proto_error ~loc:__LOC__ res begin function
|
|
| Contract_storage.Unspendable_contract _ -> true
|
|
| _ -> false
|
|
end
|
|
|
|
(*********************************************************************)
|
|
(** Random transfer *)
|
|
|
|
(** Return a pair of minimum and maximum random number *)
|
|
let random_range (min, max) =
|
|
let interv = max - min + 1 in
|
|
let init =
|
|
Random.self_init ();
|
|
(Random.int interv) + min
|
|
in init
|
|
|
|
(** Return a random contract *)
|
|
let random_contract contract_array =
|
|
let i = Random.int (Array.length contract_array) in
|
|
contract_array.(i)
|
|
|
|
(** Transfer by randomly choose amount 10 contracts, and randomly
|
|
choose the amount in the source contract *)
|
|
let random_transfer () =
|
|
Context.init 10 >>=? fun (b, contracts) ->
|
|
let contracts = Array.of_list contracts in
|
|
Incremental.begin_construction b >>=? fun b ->
|
|
let source = random_contract contracts in
|
|
let dest = random_contract contracts in
|
|
Context.Contract.balance (I b) source >>=? fun amount ->
|
|
begin
|
|
if source = dest
|
|
then
|
|
transfer_to_itself_and_check_balances ~loc:__LOC__ b source amount
|
|
else
|
|
transfer_and_check_balances ~loc:__LOC__ b source dest amount
|
|
end >>=? fun (b,_) ->
|
|
Incremental.finalize_block b >>=? fun _ ->
|
|
return_unit
|
|
|
|
(** Transfer random transactions *)
|
|
let random_multi_transactions () =
|
|
let n = random_range (1, 100) in
|
|
multiple_transfer n (Tez.of_int 100)
|
|
|
|
(*********************************************************************)
|
|
|
|
let tests = [
|
|
Test.tztest "block with a single transfer" `Quick block_with_a_single_transfer ;
|
|
Test.tztest "transfer zero tez" `Quick transfer_zero_tez ;
|
|
Test.tztest "block with a single transfer with fee" `Quick block_with_a_single_transfer_with_fee ;
|
|
Test.tztest "block originate and transfer with fee" `Quick block_originate_and_transfer_with_fee ;
|
|
Test.tztest "block transfer from contract balance" `Quick block_transfer_from_contract_balance ;
|
|
Test.tztest "block transfers without and with fee to itself" `Quick block_transfers_without_with_fee_to_self ;
|
|
Test.tztest "four transfers but bake three transfers" `Quick four_transfers_bake_three_transfers ;
|
|
Test.tztest "transfer from an implicit to implicit contract " `Quick transfer_from_implicit_to_implicit_contract ;
|
|
Test.tztest "transfer from an implicit to an originated contract" `Quick transfer_from_implicit_to_originated_contract ;
|
|
Test.tztest "transfer from an originated to an originated contract" `Quick transfer_from_originated_to_originated ;
|
|
Test.tztest "transfer from an originated to an implicit contract" `Quick transfer_from_originated_to_implicit ;
|
|
Test.tztest "ownership sender" `Quick ownership_sender ;
|
|
|
|
(* Slow tests *)
|
|
Test.tztest "block with multiple transfers" `Quick block_with_multiple_transfers ;
|
|
Test.tztest "block with multiple transfer paying fee" `Quick block_with_multiple_transfers_pay_fee ;
|
|
Test.tztest "block with multiple transfer without paying fee" `Quick block_with_multiple_transfers_with_without_fee ;
|
|
Test.tztest "build a chain" `Quick build_a_chain ;
|
|
|
|
(* Erroneous *)
|
|
Test.tztest "balance too low" `Quick (balance_too_low Tez.zero);
|
|
Test.tztest "balance too low" `Quick (balance_too_low Tez.one);
|
|
Test.tztest "balance too low (max fee)" `Quick (balance_too_low Tez.max_tez);
|
|
Test.tztest "balance too low with two transfers" `Quick (balance_too_low_two_transfers Tez.zero);
|
|
Test.tztest "balance too low with two transfers" `Quick (balance_too_low_two_transfers Tez.one);
|
|
Test.tztest "invalid_counter" `Quick invalid_counter ;
|
|
Test.tztest "add the same operation twice" `Quick add_the_same_operation_twice ;
|
|
Test.tztest "unspendable contract" `Quick unspendable_contract ;
|
|
|
|
(* Random tests *)
|
|
Test.tztest "random transfer" `Quick random_transfer ;
|
|
Test.tztest "random multi transfer" `Quick random_multi_transactions ;
|
|
]
|