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5% buffer for swap mints; 20% restrction on out of pool value

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This commit is contained in:
akildemir
2024-01-26 13:24:39 +03:00
parent 21262d41e6
commit 4571f3e97a
8 changed files with 73 additions and 27 deletions
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2
substrate/coins/pallet/Cargo.toml
View File

@@ -33,6 +33,7 @@ pallet-transaction-payment = { git = "https://github.com/serai-dex/substrate", d
serai-primitives = { path = "../../primitives", default-features = false, features = ["serde"] }
coins-primitives = { package = "serai-coins-primitives", path = "../primitives", default-features = false }
in-ins-primitives = { package = "serai-in-instructions-primitives", path = "../../in-instructions/primitives", default-features = false }
[features]
std = [
@@ -47,6 +48,7 @@ std = [
"serai-primitives/std",
"coins-primitives/std",
"in-ins-primitives/std",
]
runtime-benchmarks = [

8
substrate/coins/pallet/src/lib.rs
View File

@@ -3,11 +3,11 @@
use serai_primitives::{Coin, SubstrateAmount, Balance};
pub trait AllowMint {
fn is_allowed(balance: &Balance) -> bool;
fn is_allowed(balance: &Balance, for_swap: bool) -> bool;
}
impl AllowMint for () {
fn is_allowed(_: &Balance) -> bool {
fn is_allowed(_: &Balance, _: bool) -> bool {
true
}
}
@@ -33,6 +33,8 @@ pub mod pallet {
pub use coins_primitives as primitives;
use primitives::*;
use in_ins_primitives::SWAP_ACCOUNT;
type LiquidityTokensInstance = crate::Instance1;
#[pallet::config]
@@ -159,7 +161,7 @@ pub mod pallet {
///
/// Errors if any amount overflows.
pub fn mint(to: Public, balance: Balance) -> Result<(), Error<T, I>> {
if !T::AllowMint::is_allowed(&balance) {
if !T::AllowMint::is_allowed(&balance, to == SWAP_ACCOUNT.into()) {
Err(Error::<T, I>::MintNotAllowed)?;
}