Merge pull request #49 from ToucanProtocol/miotto/lila-6858-add-erc-1…

…155-support-in-fee-calculator

feat(hh): add ERC1155 support

src/interfaces/IFeeCalculator.sol

@@ -35,4 +35,30 @@ interface IFeeCalculator {
         external
         view
         returns (FeeDistribution memory feeDistribution);
+
+    /// @notice Calculates the deposit fee for a given amount of an ERC1155 project.
+    /// @param pool The address of the pool.
+    /// @param erc1155 The address of the ERC1155 project
+    /// @param tokenId The tokenId of the vintage.
+    /// @param depositAmount The amount to be deposited.
+    /// @return feeDistribution How the fee is meant to be
+    /// distributed among the fee recipients.
+    function calculateDepositFees(address pool, address erc1155, uint256 tokenId, uint256 depositAmount)
+        external
+        view
+        returns (FeeDistribution memory feeDistribution);
+
+    /// @notice Calculates the redemption fees for a given amount on ERC1155 projects.
+    /// @param pool The address of the pool.
+    /// @param erc1155s The addresses of the ERC1155 projects.
+    /// @param tokenIds The tokenIds of the project vintages.
+    /// @param redemptionAmounts The amounts to be redeemed.
+    /// @return feeDistribution How the fee is meant to be
+    /// distributed among the fee recipients.
+    function calculateRedemptionFees(
+        address pool,
+        address[] calldata erc1155s,
+        uint256[] calldata tokenIds,
+        uint256[] calldata redemptionAmounts
+    ) external view returns (FeeDistribution memory feeDistribution);
 }

src/interfaces/IPool.sol

@@ -16,8 +16,14 @@ interface IPool {
 
     /// @notice Exposes the total TCO2 supply of a project in a pool,
     /// tracked as the aggregation of deposit, redemmption and bridge actions
-    /// @param projectTokenId The token id of the project as it's tracked
-    /// in the CarbonProjects contract
+    /// @param tco2 The TCO2 address of the project
     /// @return supply Current supply of a project in the pool
-    function totalPerProjectTCO2Supply(uint256 projectTokenId) external view returns (uint256 supply);
+    function totalPerProjectSupply(address tco2) external view returns (uint256 supply);
+
+    /// @notice Exposes the total TCO2 supply of a project in a pool,
+    /// tracked as the aggregation of deposit, redemmption and bridge actions
+    /// @param erc1155 The ERC1155 address of the project
+    /// @param tokenId The token id of the project
+    /// @return supply Current supply of a project in the pool
+    function totalPerProjectSupply(address erc1155, uint256 tokenId) external view returns (uint256 supply);
 }