Use env var for priority fees (#22)

* Added a global variable for the microLamports.

* remove possible type error.

* microLamports variable

* use priority fee by default

* additional tx

* add fee explanation

---------

Co-authored-by: MarkSackerberg <[email protected]>

.env.example

@@ -9,4 +9,5 @@ NEXT_PUBLIC_ENVIRONMENT=devnet
 NEXT_PUBLIC_RPC=https://api.devnet.solana.com
 NEXT_PUBLIC_BUYMARKBEER=true
 #NEXT_PUBLIC_ENVIRONMENT=mainnet-beta
-#NEXT_PUBLIC_RPC=https://solana-mainnet.rpc.extrnode.com
+#NEXT_PUBLIC_RPC=https://solana-mainnet.rpc.extrnode.com
+NEXT_PUBLIC_MICROLAMPORTS=1001

README.md

@@ -70,6 +70,7 @@ You can customize the UI by changing the code. If you just want to modify some v
   - `image` is the main image that is shown. You could change it to your project logo.
   - `headerText` is the website header. You could change it to your project name.
 - Decide if you want to allow multiple mints by a single user at the same time and in your `.env` file set `NEXT_PUBLIC_MULTIMINT` accordingly to `true` or `false`. By default a maximum of 15 NFTs can be minted at the same time this is because of wallet limitations. If you want to have less change `NEXT_PUBLIC_MAXMINTAMOUNT` in `.env`.
+- Change Priority fees if you want. By default it is set to the cheapest that is still considered to have priority fees. https://twitter.com/CloakdDev/status/1776661443330339285
 
 ### Fees
 This ui has a buy me a beer feature. Each mint will transfer a very small amount (0.005) of SOL to a tip wallet. If you do not want to support me feel free to change the NEXT_PUBLIC_BUYMARKBEER variable to false. I would appreachiate it though if you leave it on. 🍻

components/initializeModal.tsx

@@ -59,7 +59,7 @@ const createLut =
       builder = builder.setBlockhash(latestBlockhash);
 
       builder = builder.prepend(
-        setComputeUnitPrice(umi, { microLamports: 500 })
+        setComputeUnitPrice(umi, { microLamports: parseInt(process.env.NEXT_PUBLIC_MICROLAMPORTS ?? "1001") })
       );
       const requiredCu = await getRequiredCU(umi, builder.build(umi));
       builder = builder.prepend(
@@ -125,7 +125,7 @@ const initializeGuards =
       }
       if (builder.items.length > 0) {
         builder = builder.prepend(
-          setComputeUnitPrice(umi, { microLamports: 500 })
+          setComputeUnitPrice(umi, { microLamports: parseInt(process.env.NEXT_PUBLIC_MICROLAMPORTS ?? "1001") })
         );
         const latestBlockhash = (await umi.rpc.getLatestBlockhash()).blockhash;
         builder = builder.setBlockhash(latestBlockhash);
@@ -167,7 +167,7 @@ const buyABeer = (umi: Umi, amount: string) => async () => {
         amount: sol(Number(amount)),
       })
     );
-  builder = builder.prepend(setComputeUnitPrice(umi, { microLamports: 500 }));
+  builder = builder.prepend(setComputeUnitPrice(umi, { microLamports: parseInt(process.env.NEXT_PUBLIC_MICROLAMPORTS ?? "1001") }));
   const latestBlockhash = (await umi.rpc.getLatestBlockhash()).blockhash;
   builder = builder.setBlockhash(latestBlockhash);
   const requiredCu = await getRequiredCU(umi, builder.build(umi));
@@ -296,4 +296,4 @@ export const InitializeModal = ({ umi, candyMachine, candyGuard }: Props) => {
       </VStack>
     </>
   );
-};
+};

utils/mintHelper.ts

@@ -370,7 +370,7 @@ export const buildTx = (
     );
   }
   tx = tx.prepend(setComputeUnitLimit(umi, { units }));
-  tx = tx.prepend(setComputeUnitPrice(umi, { microLamports: 500 }));
+  tx = tx.prepend(setComputeUnitPrice(umi, { microLamports: parseInt(process.env.NEXT_PUBLIC_MICROLAMPORTS ?? "1001") }));
   tx = tx.setAddressLookupTables(luts);
   tx = tx.setBlockhash(latestBlockhash);
   return tx.build(umi);