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Revert "override conversion rate in estimate-message-fee RPC (#1189)" (#1275)

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This reverts commit ad4299f6c91ce4c50cb6fbc739a0c788e2920956.
This commit is contained in:
Svyatoslav Nikolsky
2021-12-27 13:30:30 +03:00
committed by Bastian Köcher
parent a88207876c
commit eb5a3eecd2
16 changed files with 71 additions and 85 deletions
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bridges/bin/runtime-common/src/messages.rs
+6 -40
View File
@@ -70,7 +70,6 @@ pub trait MessageBridge {
/// Convert Bridged chain balance into This chain balance.
fn bridged_balance_to_this_balance(
bridged_balance: BalanceOf<BridgedChain<Self>>,
bridged_to_this_conversion_rate_override: Option<FixedU128>,
) -> BalanceOf<ThisChain<Self>>;
}
@@ -317,11 +316,8 @@ pub mod source {
pallet_bridge_dispatch::verify_message_origin(submitter, payload)
.map_err(|_| BAD_ORIGIN)?;
let minimal_fee_in_this_tokens = estimate_message_dispatch_and_delivery_fee::<B>(
payload,
B::RELAYER_FEE_PERCENT,
None,
)?;
let minimal_fee_in_this_tokens =
estimate_message_dispatch_and_delivery_fee::<B>(payload, B::RELAYER_FEE_PERCENT)?;
// compare with actual fee paid
if *delivery_and_dispatch_fee < minimal_fee_in_this_tokens {
@@ -375,7 +371,6 @@ pub mod source {
pub fn estimate_message_dispatch_and_delivery_fee<B: MessageBridge>(
payload: &FromThisChainMessagePayload<B>,
relayer_fee_percent: u32,
bridged_to_this_conversion_rate: Option<FixedU128>,
) -> Result<BalanceOf<ThisChain<B>>, &'static str> {
// the fee (in Bridged tokens) of all transactions that are made on the Bridged chain
//
@@ -396,11 +391,8 @@ pub mod source {
ThisChain::<B>::transaction_payment(confirmation_transaction);
// minimal fee (in This tokens) is a sum of all required fees
let minimal_fee = B::bridged_balance_to_this_balance(
delivery_transaction_fee,
bridged_to_this_conversion_rate,
)
.checked_add(&confirmation_transaction_fee);
let minimal_fee = B::bridged_balance_to_this_balance(delivery_transaction_fee)
.checked_add(&confirmation_transaction_fee);
// before returning, add extra fee that is paid to the relayer (relayer interest)
minimal_fee
@@ -806,12 +798,8 @@ mod tests {
fn bridged_balance_to_this_balance(
bridged_balance: BridgedChainBalance,
bridged_to_this_conversion_rate_override: Option<FixedU128>,
) -> ThisChainBalance {
let conversion_rate = bridged_to_this_conversion_rate_override
.map(|r| r.to_float() as u32)
.unwrap_or(BRIDGED_CHAIN_TO_THIS_CHAIN_BALANCE_RATE);
ThisChainBalance(bridged_balance.0 * conversion_rate)
ThisChainBalance(bridged_balance.0 * BRIDGED_CHAIN_TO_THIS_CHAIN_BALANCE_RATE as u32)
}
}
@@ -829,10 +817,7 @@ mod tests {
type ThisChain = BridgedChain;
type BridgedChain = ThisChain;
fn bridged_balance_to_this_balance(
_this_balance: ThisChainBalance,
_bridged_to_this_conversion_rate_override: Option<FixedU128>,
) -> BridgedChainBalance {
fn bridged_balance_to_this_balance(_this_balance: ThisChainBalance) -> BridgedChainBalance {
unreachable!()
}
}
@@ -1110,7 +1095,6 @@ mod tests {
source::estimate_message_dispatch_and_delivery_fee::<OnThisChainBridge>(
&payload,
OnThisChainBridge::RELAYER_FEE_PERCENT,
None,
),
Ok(ThisChainBalance(EXPECTED_MINIMAL_FEE)),
);
@@ -1122,7 +1106,6 @@ mod tests {
source::estimate_message_dispatch_and_delivery_fee::<OnThisChainBridge>(
&payload_with_pay_on_target,
OnThisChainBridge::RELAYER_FEE_PERCENT,
None,
)
.expect(
"estimate_message_dispatch_and_delivery_fee failed for pay-at-target-chain message",
@@ -1589,21 +1572,4 @@ mod tests {
100 + 50 * 10 + 777,
);
}
#[test]
fn conversion_rate_override_works() {
let payload = regular_outbound_message_payload();
let regular_fee = source::estimate_message_dispatch_and_delivery_fee::<OnThisChainBridge>(
&payload,
OnThisChainBridge::RELAYER_FEE_PERCENT,
None,
);
let overrided_fee = source::estimate_message_dispatch_and_delivery_fee::<OnThisChainBridge>(
&payload,
OnThisChainBridge::RELAYER_FEE_PERCENT,
Some(FixedU128::from_float((BRIDGED_CHAIN_TO_THIS_CHAIN_BALANCE_RATE * 2) as f64)),
);
assert!(regular_fee < overrided_fee);
}
}