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add EURC.e support #1712

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Merged
brenzi merged 1 commit into from
Apr 8, 2025
Merged

add EURC.e support #1712

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40 changes: 38 additions & 2 deletions app-libs/assets-map/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,8 @@ pub enum AssetId {
USDC = 20,
/// USDC Circle, minted on Ethereum
USDC_E = 21,
/// EURC Circle, minted on Ethereum
EURC_E = 23,

// protocol-issued tokens, wrapped or not
/// Ethereum ETH,
Expand All @@ -81,6 +83,7 @@ pub enum AssetId {
}

const USDC_E_MAINNET_CONTRACT_ADDRESS: [u8; 20] = hex!("a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48");
const EURC_E_MAINNET_CONTRACT_ADDRESS: [u8; 20] = hex!("1abaea1f7c830bd89acc67ec4af516284b1bc33c");
const USDT_E_MAINNET_CONTRACT_ADDRESS: [u8; 20] = hex!("dac17f958d2ee523a2206206994597c13d831ec7");
const WETH_SEPOLIA_CONTRACT_ADDRESS: [u8; 20] = hex!("fff9976782d46cc05630d1f6ebab18b2324d6b14");
const WBTC_E_MAINNET_CONTRACT_ADDRESS: [u8; 20] = hex!("2260fac5e5542a773aa44fbcfedf7c193bc2c599");
Expand All @@ -96,6 +99,7 @@ impl std::fmt::Display for AssetId {
AssetId::USDT_E => write!(f, "USDT.e"),
AssetId::USDC => write!(f, "USDC"),
AssetId::USDC_E => write!(f, "USDC.e"),
AssetId::EURC_E => write!(f, "EURC.e"),
AssetId::ETH => write!(f, "ETH"),
AssetId::WETH => write!(f, "WETH"),
AssetId::BTC => write!(f, "BTC"),
Expand All @@ -114,6 +118,7 @@ impl TryFrom<&str> for AssetId {
"USDT.e" => Ok(AssetId::USDT_E),
"USDC" => Ok(AssetId::USDC),
"USDC.e" => Ok(AssetId::USDC_E),
"EURC.e" => Ok(AssetId::EURC_E),
"ETH" => Ok(AssetId::ETH),
"WETH" => Ok(AssetId::WETH),
"WBTC.e" => Ok(AssetId::WBTC_E),
Expand All @@ -139,6 +144,7 @@ impl AssetId {
AssetId::USDT_E => Some(FOREIGN_ASSETS),
AssetId::USDC => Some(NATIVE_ASSETS),
AssetId::USDC_E => Some(FOREIGN_ASSETS),
AssetId::EURC_E => Some(FOREIGN_ASSETS),
AssetId::ETH => Some(FOREIGN_ASSETS),
AssetId::WETH => Some(FOREIGN_ASSETS),
AssetId::BTC => None,
Expand All @@ -152,6 +158,7 @@ impl AssetId {
AssetId::USDT_E => 1_000_000, // 6 decimals
AssetId::USDC => 1_000_000,
AssetId::USDC_E => 1_000_000, // 6 decimals
AssetId::EURC_E => 1_000_000, // 6 decimals
AssetId::ETH => 1_000_000_000_000_000_000, // 18 decimals
AssetId::WETH => 1_000_000_000_000_000_000, // 18 decimals
AssetId::BTC => 100_000_000, // 8 decimals
Expand All @@ -172,13 +179,19 @@ impl AssetId {
AssetId::USDT_E,
AssetId::USDC,
AssetId::USDC_E,
AssetId::EURC_E,
AssetId::WETH,
AssetId::ETH,
AssetId::WBTC_E,
],
ASSET_HUB_PASEO_GENESIS_HASH_HEX => vec![AssetId::USDT, AssetId::USDC, AssetId::WETH],
ASSET_HUB_POLKADOT_GENESIS_HASH_HEX =>
vec![AssetId::USDT_E, AssetId::USDC_E, AssetId::ETH, AssetId::WBTC_E],
ASSET_HUB_POLKADOT_GENESIS_HASH_HEX => vec![
AssetId::USDT_E,
AssetId::USDC_E,
AssetId::EURC_E,
AssetId::ETH,
AssetId::WBTC_E,
],
_ => vec![],
}
}
Expand All @@ -203,6 +216,21 @@ impl AssetTranslation for AssetId {
} else {
None
},
AssetId::EURC_E =>
if matches!(
genesis_hash.into(),
ASSET_HUB_POLKADOT_GENESIS_HASH_HEX | ASSET_HUB_LOCAL_TEST_GENESIS_HASH_HEX
) {
Some(Location {
parents: 2,
interior: X2(Arc::new([
GlobalConsensus(Ethereum { chain_id: ETHEREUM_MAINNET_CHAIN_ID }),
AccountKey20 { key: EURC_E_MAINNET_CONTRACT_ADDRESS, network: None },
])),
})
} else {
None
},
AssetId::USDT_E =>
if matches!(
genesis_hash.into(),
Expand Down Expand Up @@ -317,6 +345,14 @@ impl AssetTranslation for AssetId {
| ASSET_HUB_LOCAL_TEST_GENESIS_HASH_HEX
) =>
Some(AssetId::USDC_E),
[GlobalConsensus(Ethereum { chain_id: ETHEREUM_MAINNET_CHAIN_ID }), AccountKey20 { key: contract, network: None }]
if *contract == EURC_E_MAINNET_CONTRACT_ADDRESS
&& matches!(
genesis_hash.into(),
ASSET_HUB_POLKADOT_GENESIS_HASH_HEX
| ASSET_HUB_LOCAL_TEST_GENESIS_HASH_HEX
) =>
Some(AssetId::EURC_E),
[GlobalConsensus(Ethereum { chain_id: ETHEREUM_MAINNET_CHAIN_ID }), AccountKey20 { key: contract, network: None }]
if *contract == USDT_E_MAINNET_CONTRACT_ADDRESS
&& matches!(
Expand Down
2 changes: 1 addition & 1 deletion app-libs/stf/src/trusted_call.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1005,7 +1005,7 @@ fn get_fee_for(tc: &TrustedCallSigned, fee_asset: Option<AssetId>) -> Fee {
match fee_asset {
None => Fee::Native(fee_amount),
Some(asset_id) => match asset_id {
AssetId::USDC | AssetId::USDT | AssetId::USDC_E | AssetId::USDT_E =>
AssetId::USDC | AssetId::USDT | AssetId::USDC_E | AssetId::EURC_E | AssetId::USDT_E =>
Fee::Asset(fee_amount, asset_id),
// TODO: use TEEracle info from L1 for exchange rates. the hardcoded exchange rates are
// just to get started in the right order of magnitude
Expand Down
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