git.delta.rocks / unique-network / refs/commits / e9953e99cb51

--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -19,18 +19,12 @@
 
 // 0x17c4e6453Cc49AAAaEACA894e6D9683e00000001 - collection 1
 // TODO: Unhardcode prefix
-const ETH_ACCOUNT_PREFIX: [u8; 16] = [
+const ETH_COLLECTION_PREFIX: [u8; 16] = [
 	0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,
 ];
 
-// 0xf8238ccfff8ed887463fd5e00000000100000002  - collection 1, token 2
-// TODO: Unhardcode prefix
-const ETH_ACCOUNT_TOKEN_PREFIX: [u8; 12] = [
-	0xf8, 0x23, 0x8c, 0xcf, 0xff, 0x8e, 0xd8, 0x87, 0x46, 0x3f, 0xd5, 0xe0,
-];
-
 pub fn map_eth_to_id(eth: &H160) -> Option<CollectionId> {
-	if eth[0..16] != ETH_ACCOUNT_PREFIX {
+	if eth[0..16] != ETH_COLLECTION_PREFIX {
 		return None;
 	}
 	let mut id_bytes = [0; 4];
@@ -39,28 +33,7 @@
 }
 pub fn collection_id_to_address(id: CollectionId) -> H160 {
 	let mut out = [0; 20];
-	out[0..16].copy_from_slice(&ETH_ACCOUNT_PREFIX);
+	out[0..16].copy_from_slice(&ETH_COLLECTION_PREFIX);
 	out[16..20].copy_from_slice(&u32::to_be_bytes(id.0));
-	H160(out)
-}
-
-pub fn map_eth_to_token_id(eth: &H160) -> Option<(CollectionId, TokenId)> {
-	if eth[0..12] != ETH_ACCOUNT_TOKEN_PREFIX {
-		return None;
-	}
-	let mut id_bytes = [0; 4];
-	let mut token_id_bytes = [0; 4];
-	id_bytes.copy_from_slice(&eth[12..16]);
-	token_id_bytes.copy_from_slice(&eth[16..20]);
-	Some((
-		CollectionId(u32::from_be_bytes(id_bytes)),
-		TokenId(u32::from_be_bytes(token_id_bytes)),
-	))
-}
-pub fn collection_token_id_to_address(id: CollectionId, token: TokenId) -> H160 {
-	let mut out = [0; 20];
-	out[0..12].copy_from_slice(&ETH_ACCOUNT_TOKEN_PREFIX);
-	out[12..16].copy_from_slice(&u32::to_be_bytes(id.0));
-	out[16..20].copy_from_slice(&u32::to_be_bytes(token.0));
 	H160(out)
 }

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -165,8 +165,10 @@
 	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key};
 	use pallet_evm::account;
 	use dispatch::CollectionDispatch;
+	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};
+	use frame_system::pallet_prelude::*;
 	use frame_support::traits::Currency;
-	use up_data_structs::TokenId;
+	use up_data_structs::{TokenId, mapping::TokenAddressMapping};
 	use scale_info::TypeInfo;
 	use up_evm_mapping::CrossAccountId;
 
@@ -185,6 +187,9 @@
 		type CollectionDispatch: CollectionDispatch<Self>;
 
 		type TreasuryAccountId: Get<Self::AccountId>;
+
+		type EvmTokenAddressMapping: TokenAddressMapping<H160>;
+		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;
 	}
 
 	#[pallet::pallet]

--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -20,34 +20,23 @@
 	convert::{TryFrom, TryInto},
 	fmt,
 };
-use frame_support::storage::bounded_btree_map::BoundedBTreeMap;
-use sp_std::collections::btree_map::BTreeMap;
+use frame_support::{
+	storage::{bounded_btree_map::BoundedBTreeMap, bounded_btree_set::BoundedBTreeSet},
+	traits::ConstU16,
+};
+use sp_std::collections::{btree_map::BTreeMap, btree_set::BTreeSet};
 
 #[cfg(feature = "serde")]
-pub use serde::{Serialize, Deserialize};
+use serde::{Serialize, Deserialize};
 
 use sp_core::U256;
 use sp_runtime::{ArithmeticError, sp_std::prelude::Vec};
 use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};
-pub use frame_support::{
-	BoundedVec, construct_runtime, decl_event, decl_module, decl_storage, decl_error,
-	dispatch::DispatchResult,
-	ensure, fail, parameter_types,
-	traits::{
-		Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
-		Randomness, IsSubType, WithdrawReasons,
-	},
-	weights::{
-		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
-		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
-		WeightToFeePolynomial, DispatchClass,
-	},
-	StorageValue, transactional,
-	pallet_prelude::ConstU32,
-};
+use frame_support::{BoundedVec, traits::ConstU32};
 use derivative::Derivative;
 use scale_info::TypeInfo;
 
+pub mod mapping;
 mod migration;
 
 pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;

--- a/runtime/opal/src/lib.rs
+++ b/runtime/opal/src/lib.rs
@@ -66,6 +66,7 @@
 		WeightToFeePolynomial, WeightToFeeCoefficient, WeightToFeeCoefficients, ConstantMultiplier,
 	},
 };
+use up_data_structs::mapping::{EvmTokenAddressMapping, CrossTokenAddressMapping};
 use up_data_structs::{CollectionId, TokenId, CollectionStats, Collection};
 // use pallet_contracts::weights::WeightInfo;
 // #[cfg(any(feature = "std", test))]

--- a/tests/src/eth/util/helpers.ts
+++ b/tests/src/eth/util/helpers.ts
@@ -56,13 +56,27 @@
   }
 }
 
-export function collectionIdToAddress(address: number): string {
-  if (address >= 0xffffffff || address < 0) throw new Error('id overflow');
+function encodeIntBE(v: number): number[] {
+  if (v >= 0xffffffff || v < 0) throw new Error('id overflow');
+  return [
+    v >> 24,
+    (v >> 16) & 0xff,
+    (v >> 8) & 0xff,
+    v & 0xff,
+  ];
+}
+
+export function collectionIdToAddress(collection: number): string {
   const buf = Buffer.from([0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,
-    address >> 24,
-    (address >> 16) & 0xff,
-    (address >> 8) & 0xff,
-    address & 0xff,
+    ...encodeIntBE(collection),
+  ]);
+  return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));
+}
+
+export function tokenIdToAddress(collection: number, token: number): string {
+  const buf = Buffer.from([0xf8, 0x23, 0x8c, 0xcf, 0xff, 0x8e, 0xd8, 0x87, 0x46, 0x3f, 0xd5, 0xe0,
+    ...encodeIntBE(collection),
+    ...encodeIntBE(token),
   ]);
   return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));
 }