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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| use common_structs::{Percent, TokenPair}; | ||
|
|
||
| use crate::{ | ||
| config::MAX_PERCENTAGE, ERROR_ALREADY_FEE_DEST, ERROR_ALREADY_WHITELISTED, | ||
| ERROR_BAD_TOKEN_FEE_DEST, ERROR_NOT_FEE_DEST, ERROR_NOT_WHITELISTED, | ||
| ERROR_PAIR_ALREADY_TRUSTED, ERROR_PAIR_NOT_TRUSTED, ERROR_SAME_TOKENS, | ||
| }; | ||
|
|
||
| multiversx_sc::imports!(); | ||
|
|
||
| #[multiversx_sc::module] | ||
| pub trait EndpointsModule: | ||
| crate::config::ConfigModule | ||
| + crate::liquidity_pool::LiquidityPoolModule | ||
| + crate::amm::AmmModule | ||
| + token_send::TokenSendModule | ||
| + permissions_module::PermissionsModule | ||
| + pausable::PausableModule | ||
| + super::storage::StorageModule | ||
| { | ||
| #[endpoint(whitelist)] | ||
| fn whitelist_endpoint(&self, address: ManagedAddress) { | ||
| self.require_caller_has_owner_permissions(); | ||
|
|
||
| let is_new = self.whitelist().insert(address); | ||
| require!(is_new, ERROR_ALREADY_WHITELISTED); | ||
| } | ||
|
|
||
| #[endpoint(removeWhitelist)] | ||
| fn remove_whitelist(&self, address: ManagedAddress) { | ||
| self.require_caller_has_owner_permissions(); | ||
|
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| let is_removed = self.whitelist().remove(&address); | ||
| require!(is_removed, ERROR_NOT_WHITELISTED); | ||
| } | ||
|
|
||
| #[endpoint(addTrustedSwapPair)] | ||
| fn add_trusted_swap_pair( | ||
| &self, | ||
| pair_address: ManagedAddress, | ||
| first_token: TokenIdentifier, | ||
| second_token: TokenIdentifier, | ||
| ) { | ||
| self.require_caller_has_owner_permissions(); | ||
| require!(first_token != second_token, ERROR_SAME_TOKENS); | ||
|
|
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| let token_pair = TokenPair { | ||
| first_token, | ||
| second_token, | ||
| }; | ||
| let is_new = self | ||
| .trusted_swap_pair() | ||
| .insert(token_pair, pair_address) | ||
| .is_none(); | ||
| require!(is_new, ERROR_PAIR_ALREADY_TRUSTED); | ||
| } | ||
|
|
||
| #[endpoint(removeTrustedSwapPair)] | ||
| fn remove_trusted_swap_pair( | ||
| &self, | ||
| first_token: TokenIdentifier, | ||
| second_token: TokenIdentifier, | ||
| ) { | ||
| self.require_caller_has_owner_permissions(); | ||
|
|
||
| let token_pair = TokenPair { | ||
| first_token: first_token.clone(), | ||
| second_token: second_token.clone(), | ||
| }; | ||
|
|
||
| let mut is_removed = self.trusted_swap_pair().remove(&token_pair).is_some(); | ||
| if !is_removed { | ||
| let token_pair_reversed = TokenPair { | ||
| first_token: second_token, | ||
| second_token: first_token, | ||
| }; | ||
| is_removed = self | ||
| .trusted_swap_pair() | ||
| .remove(&token_pair_reversed) | ||
| .is_some(); | ||
| require!(is_removed, ERROR_PAIR_NOT_TRUSTED); | ||
| } | ||
| } | ||
|
|
||
| /// `fees_collector_cut_percentage` of the special fees are sent to the fees_collector_address SC | ||
| /// | ||
| /// For example, if special fees is 5%, and fees_collector_cut_percentage is 10%, | ||
| /// then of the 5%, 10% are reserved, and only the rest are split between other pair contracts. | ||
| #[endpoint(setupFeesCollector)] | ||
| fn setup_fees_collector( | ||
| &self, | ||
| fees_collector_address: ManagedAddress, | ||
| fees_collector_cut_percentage: Percent, | ||
| ) { | ||
| self.require_caller_has_owner_permissions(); | ||
| require!( | ||
| self.blockchain().is_smart_contract(&fees_collector_address), | ||
| "Invalid fees collector address" | ||
| ); | ||
| require!( | ||
| fees_collector_cut_percentage > 0 && fees_collector_cut_percentage <= MAX_PERCENTAGE, | ||
| "Invalid fees percentage" | ||
| ); | ||
|
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| self.fees_collector_address().set(&fees_collector_address); | ||
| self.fees_collector_cut_percentage() | ||
| .set(fees_collector_cut_percentage); | ||
| } | ||
|
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||
| #[endpoint(setFeeOn)] | ||
| fn set_fee_on(&self, fee_to_address: ManagedAddress, fee_token: TokenIdentifier) { | ||
| self.require_caller_has_owner_permissions(); | ||
|
|
||
| let is_dest = self | ||
| .destination_map() | ||
| .keys() | ||
| .any(|dest_address| dest_address == fee_to_address); | ||
| require!(!is_dest, ERROR_ALREADY_FEE_DEST); | ||
|
|
||
| let _ = self.destination_map().insert(fee_to_address, fee_token); | ||
| } | ||
|
|
||
| #[endpoint(setFeeOn)] | ||
| fn set_fee_off(&self, fee_to_address: ManagedAddress, fee_token: TokenIdentifier) { | ||
| self.require_caller_has_owner_permissions(); | ||
|
|
||
| let is_dest = self | ||
| .destination_map() | ||
| .keys() | ||
| .any(|dest_address| dest_address == fee_to_address); | ||
| require!(is_dest, ERROR_NOT_FEE_DEST); | ||
|
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| let dest_fee_token = self.destination_map().get(&fee_to_address).unwrap(); | ||
| require!(fee_token == dest_fee_token, ERROR_BAD_TOKEN_FEE_DEST); | ||
|
|
||
| let _ = self.destination_map().remove(&fee_to_address); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| pub mod endpoints; | ||
| pub mod impls; | ||
| pub mod storage; | ||
| pub mod views; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| use common_structs::{Percent, TokenPair}; | ||
|
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| multiversx_sc::imports!(); | ||
|
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| #[multiversx_sc::module] | ||
| pub trait StorageModule { | ||
| #[view(getFeesCollectorAddress)] | ||
| #[storage_mapper("feesCollectorAddress")] | ||
| fn fees_collector_address(&self) -> SingleValueMapper<ManagedAddress>; | ||
|
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| #[view(getFeesCollectorCutPercentage)] | ||
| #[storage_mapper("feesCollectorCutPercentage")] | ||
| fn fees_collector_cut_percentage(&self) -> SingleValueMapper<Percent>; | ||
|
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| #[storage_mapper("fee_destination")] | ||
| fn destination_map(&self) -> MapMapper<ManagedAddress, TokenIdentifier>; | ||
|
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| #[storage_mapper("trusted_swap_pair")] | ||
| fn trusted_swap_pair(&self) -> MapMapper<TokenPair<Self::Api>, ManagedAddress>; | ||
|
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| #[storage_mapper("whitelist")] | ||
| fn whitelist(&self) -> SetMapper<ManagedAddress>; | ||
| } |
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