0.4.1 update breaks the code

[slumber]

Hi!
Trying to update sqlx to 0.4.1 somehow breaks the interaction with decimals. The relevant code is here https://github.com/matter-labs/zksync/blob/master/core/lib/storage/src/chain/state/mod.rs#L172
This function basically collects updates and applies them, the problem comes with balances updating, please, take a look at the logs (I queried balances table before the insert and after)

[2020-12-09T20:37:27Z DEBUG zksync_storage::chain::state] Balances before apply_state_update: []
[2020-12-09T20:37:27Z DEBUG zksync_storage::chain::state] Sorted account update list: [
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 1, account_id: 1, block_number: 1, coin_id: 0, old_balance: BigDecimal("0"), new_balance: BigDecimal("2000000000000000000000"), old_nonce: 0, new_nonce: 0, update_order_id: 1 }),
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 2, account_id: 1, block_number: 1, coin_id: 0, old_balance: BigDecimal("2000000000000000000000"), new_balance: BigDecimal("1999999968700000000000"), old_nonce: 1, new_nonce: 1, update_order_id: 3 }),
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 3, account_id: 1, block_number: 1, coin_id: 0, old_balance: BigDecimal("1999999968700000000000"), new_balance: BigDecimal("1989999937400000000000"), old_nonce: 1, new_nonce: 2, update_order_id: 5 }), 
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 4, account_id: 2, block_number: 1, coin_id: 0, old_balance: BigDecimal("0"), new_balance: BigDecimal("10000000000000000000"), old_nonce: 0, new_nonce: 0, update_order_id: 6 }), 
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 5, account_id: 0, block_number: 1, coin_id: 0, old_balance: BigDecimal("0"), new_balance: BigDecimal("31300000000000"), old_nonce: 0, new_nonce: 0, update_order_id: 7 }), 
    BalanceUpdate(StorageAccountUpdate { balance_update_id: 6, account_id: 0, block_number: 1, coin_id: 0, old_balance: BigDecimal("31300000000000"), new_balance: BigDecimal("62600000000000"), old_nonce: 0, new_nonce: 0, update_order_id: 8 })]
[2020-12-09T20:37:27Z DEBUG zksync_storage::chain::state] Balances after apply_state_update: [
    StorageBalance { account_id: 1, coin_id: 0, balance: BigDecimal("19899999374000") }, 
    StorageBalance { account_id: 2, coin_id: 0, balance: BigDecimal("1000") }, 
    StorageBalance { account_id: 0, coin_id: 0, balance: BigDecimal("626000") }]

You can clearly tell that the values got corrupted. Thanks to @mehcode I found the commit causing this mess
a0007b4

UPDATE: I'm sorry, the bug was present, but the PR introduced new one, still trying to figure things out.