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Support dedicated lanes for pallets (#962)

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* pass call origin to the message verifier

* is_outbound_lane_enabled -> is_message_accepted

* trait SenderOrigin

* only accept messages from token swap pallet to token swap lane

* tests for edge cases of pay_delivery_and_dispatch_fee

* fixed origin verification

* fmt

* fix benchmarks compilation

* fix TODO with None account and non-zero message fee (already covered by tests)

* revert cargo fmt changes temporarily
This commit is contained in:
Svyatoslav Nikolsky
2022-03-14 16:36:58 +03:00
committed by Bastian Köcher
parent 7b7b8baa60
commit ed2a3082ef
15 changed files with 361 additions and 129 deletions
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bridges/bin/runtime-common/README.md
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@@ -62,8 +62,11 @@ corresponding chain. There is single exception, though (it may be changed in the
This trait represents this chain from bridge point of view. Let's review every method of this trait:
- `ThisChainWithMessages::is_outbound_lane_enabled`: is used to check whether given lane accepts
outbound messages.
- `ThisChainWithMessages::is_message_accepted`: is used to check whether given lane accepts
messages. The send-message origin is passed to the function, so you may e.g. verify that only
given pallet is able to send messages over selected lane. **IMPORTANT**: if you assume that the
message must be paid by the sender, you must ensure that the sender origin has linked the account
for paying message delivery and dispatch fee.
- `ThisChainWithMessages::maximal_pending_messages_at_outbound_lane`: you should return maximal
number of pending (undelivered) messages from this function. Returning small values would require