update wrap_and_mint txn

onflow · Nov 26, 2024 · 719eb45 · 719eb45
1 parent a96b79b
commit 719eb45
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/cadence/transactions/bundled/wrap_and_mint.cdc b/cadence/transactions/bundled/wrap_and_mint.cdc
@@ -102,10 +102,14 @@ transaction(wflowAddressHex: String, maybeMintERC721AddressHex: String) {
 
         /* Approve the ERC721 address for the mint amount */
         //
+        // Convert the mintAmount from UFix64 to UInt256 (given 18 decimal precision on WFLOW contract)
+        let ufixAllowance = EVM.Balance(attoflow: 0)
+        ufixAllowance.setFLOW(flow: self.mintCost)
+        let uintAllowance = UInt256(ufixAllowance.inAttoFLOW())
         // Encode calldata approve(address,uint) calldata, providing the ERC721 address & mint amount
         let approveCalldata = EVM.encodeABIWithSignature(
                 "approve(address,uint256)",
-                [self.erc721Address, UInt256(1_000_000_000_000_000_000)]
+                [self.erc721Address, uintAllowance]
             )
         // Call the WFLOW contract, approving the ERC721 address to move the mint amount
         let approveResult = self.coa.call(
@@ -121,10 +125,6 @@ transaction(wflowAddressHex: String, maybeMintERC721AddressHex: String) {
 
         /* Attempt to mint ERC721 */
         //
-        // Convert the mintAmount from UFix64 to UInt256 (given 18 decimal precision on WFLOW contract)
-        let ufixAllowance = EVM.Balance(attoflow: 0)
-        ufixAllowance.setFLOW(flow: self.mintCost)
-        let convertedAllowance = ufixAllowance.inAttoFLOW() as! UInt256
         // Encode the mint() calldata
         let mintCalldata = EVM.encodeABIWithSignature("mint()", [])
         // Call the ERC721 contract, attempting to mint
@@ -141,4 +141,3 @@ transaction(wflowAddressHex: String, maybeMintERC721AddressHex: String) {
         )
     }
 }
-