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Registrar: Deposit covering max code size (#3020)

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This PR implements phase 1 of:
https://github.com/paritytech/polkadot-sdk/pull/2372#discussion_r1461873933

NOTE: This means that all the current parachains can upgrade their code
to the maximum size for free.

---------

Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: Radha <86818441+DrW3RK@users.noreply.github.com>
This commit is contained in:
Sergej Sakac
2024-01-24 14:10:15 +01:00
committed by GitHub
parent a817d310bb
commit 488cbe6896
3 changed files with 45 additions and 9 deletions
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polkadot/runtime/common/src/integration_tests.rs
+15 -5
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@@ -930,8 +930,18 @@ fn basic_swap_works() {
// Deposit is appropriately taken
// ----------------------------------------- para deposit --- crowdloan
assert_eq!(Balances::reserved_balance(&account_id(1)), (500 + 10 * 2 * 1) + 100);
assert_eq!(Balances::reserved_balance(&account_id(2)), 500 + 20 * 2 * 1);
let crowdloan_deposit = 100;
let para_id_deposit = <Test as paras_registrar::Config>::ParaDeposit::get();
let code_deposit = configuration::Pallet::<Test>::config().max_code_size *
<Test as paras_registrar::Config>::DataDepositPerByte::get();
// Para 2000 has a genesis head size of 10.
assert_eq!(
Balances::reserved_balance(&account_id(1)),
crowdloan_deposit + para_id_deposit + code_deposit + 10
);
// Para 2001 has a genesis head size of 20.
assert_eq!(Balances::reserved_balance(&account_id(2)), para_id_deposit + code_deposit + 20);
assert_eq!(Balances::reserved_balance(&crowdloan_account), total);
// Crowdloan is appropriately set
assert!(Crowdloan::funds(ParaId::from(2000)).is_some());
@@ -973,8 +983,8 @@ fn basic_swap_works() {
// Deregister on-demand parachain
assert_ok!(Registrar::deregister(para_origin(2000).into(), ParaId::from(2000)));
// Correct deposit is unreserved
assert_eq!(Balances::reserved_balance(&account_id(1)), 100); // crowdloan deposit left over
assert_eq!(Balances::reserved_balance(&account_id(2)), 500 + 20 * 2 * 1);
assert_eq!(Balances::reserved_balance(&account_id(1)), crowdloan_deposit);
assert_eq!(Balances::reserved_balance(&account_id(2)), para_id_deposit + code_deposit + 20);
// Crowdloan ownership is swapped
assert!(Crowdloan::funds(ParaId::from(2000)).is_none());
assert!(Crowdloan::funds(ParaId::from(2001)).is_some());
@@ -1005,7 +1015,7 @@ fn basic_swap_works() {
// Dissolve returns the balance of the person who put a deposit for crowdloan
assert_ok!(Crowdloan::dissolve(signed(1), ParaId::from(2001)));
assert_eq!(Balances::reserved_balance(&account_id(1)), 0);
assert_eq!(Balances::reserved_balance(&account_id(2)), 500 + 20 * 2 * 1);
assert_eq!(Balances::reserved_balance(&account_id(2)), para_id_deposit + code_deposit + 20);
// Final deregister sets everything back to the start
assert_ok!(Registrar::deregister(para_origin(2001).into(), ParaId::from(2001)));