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Add support for custom SPL mints #157

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Add support for custom SPL mints #157

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63 changes: 50 additions & 13 deletions src/Home.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,8 @@ import Alert from "@material-ui/lab/Alert";

import * as anchor from "@project-serum/anchor";

import { LAMPORTS_PER_SOL } from "@solana/web3.js";
import {LAMPORTS_PER_SOL, PublicKey} from "@solana/web3.js";
import {TOKEN_PROGRAM_ID, ASSOCIATED_TOKEN_PROGRAM_ID, Token } from "@solana/spl-token";

import { useWallet } from "@solana/wallet-adapter-react";
import { WalletDialogButton } from "@solana/wallet-adapter-material-ui";
Expand Down Expand Up @@ -41,6 +42,8 @@ const Home = (props: HomeProps) => {
const [isActive, setIsActive] = useState(false); // true when countdown completes
const [isSoldOut, setIsSoldOut] = useState(false); // true when items remaining is zero
const [isMinting, setIsMinting] = useState(false); // true when user got to press MINT
const [tokenMint, setTokenMint] = useState<PublicKey | undefined>(undefined); // Custom spl token for mint price. Typically undefined
const [associatedTokenAccountAddress, setAssociatedTokenAccountAddress] = useState<PublicKey | undefined>(undefined); // Associated token for custom spl mint

const [alertState, setAlertState] = useState<AlertState>({
open: false,
Expand All @@ -53,6 +56,31 @@ const Home = (props: HomeProps) => {
const wallet = useWallet();
const [candyMachine, setCandyMachine] = useState<CandyMachine>();

const updateBalance = async () => {
if (wallet?.publicKey) {
if (tokenMint && associatedTokenAccountAddress) {
const token = new Token(
props.connection,
tokenMint,
TOKEN_PROGRAM_ID,
// @ts-ignore
wallet
)
const mintInfo = await token.getMintInfo();
try {
const associatedTokenAccountInfo = await token.getAccountInfo(associatedTokenAccountAddress);
setBalance(associatedTokenAccountInfo.amount.toNumber() / 10 ** mintInfo.decimals);
} catch (e) {
// if we cant fatch associated address, assume balance is 0
setBalance(0);
}
return;
}
const balance = await props.connection.getBalance(wallet.publicKey);
setBalance(balance / LAMPORTS_PER_SOL);
}
}

const onMint = async () => {
try {
setIsMinting(true);
Expand All @@ -61,7 +89,8 @@ const Home = (props: HomeProps) => {
candyMachine,
props.config,
wallet.publicKey,
props.treasury
props.treasury,
associatedTokenAccountAddress
);

const status = await awaitTransactionSignatureConfirmation(
Expand Down Expand Up @@ -111,22 +140,16 @@ const Home = (props: HomeProps) => {
severity: "error",
});
} finally {
if (wallet?.publicKey) {
const balance = await props.connection.getBalance(wallet?.publicKey);
setBalance(balance / LAMPORTS_PER_SOL);
}
await updateBalance();
setIsMinting(false);
}
};

useEffect(() => {
(async () => {
if (wallet?.publicKey) {
const balance = await props.connection.getBalance(wallet.publicKey);
setBalance(balance / LAMPORTS_PER_SOL);
}
await updateBalance();
})();
}, [wallet, props.connection]);
}, [wallet, props.connection, tokenMint]);

useEffect(() => {
(async () => {
Expand All @@ -145,15 +168,29 @@ const Home = (props: HomeProps) => {
signTransaction: wallet.signTransaction,
} as anchor.Wallet;

const { candyMachine, goLiveDate, itemsRemaining } =
const { candyMachine, goLiveDate, itemsRemaining, tokenMint } =
await getCandyMachineState(
anchorWallet,
props.candyMachineId,
props.connection
);



setIsSoldOut(itemsRemaining === 0);
setStartDate(goLiveDate);

if (tokenMint) {
const associatedTokenAccountAddress = await Token.getAssociatedTokenAddress(
ASSOCIATED_TOKEN_PROGRAM_ID,
TOKEN_PROGRAM_ID,
tokenMint,
wallet.publicKey
);
setTokenMint(tokenMint);
setAssociatedTokenAccountAddress(associatedTokenAccountAddress);
}

setCandyMachine(candyMachine);
})();
}, [wallet, props.candyMachineId, props.connection]);
Expand All @@ -165,7 +202,7 @@ const Home = (props: HomeProps) => {
)}

{wallet.connected && (
<p>Balance: {(balance || 0).toLocaleString()} SOL</p>
<p>Balance: {(balance || 0).toLocaleString()} {tokenMint ? "" : "SOL"}</p>
)}

<MintContainer>
Expand Down
14 changes: 13 additions & 1 deletion src/candy-machine.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,8 @@ interface CandyMachineState {
itemsAvailable: number;
itemsRedeemed: number;
itemsRemaining: number;
goLiveDate: Date,
goLiveDate: Date;
tokenMint?: anchor.web3.PublicKey;
}

export const awaitTransactionSignatureConfirmation = async (
Expand Down Expand Up @@ -176,6 +177,7 @@ export const getCandyMachineState = async (
const itemsAvailable = state.data.itemsAvailable.toNumber();
const itemsRedeemed = state.itemsRedeemed.toNumber();
const itemsRemaining = itemsAvailable - itemsRedeemed;
const tokenMint = state.tokenMint;

let goLiveDate = state.data.goLiveDate.toNumber();
goLiveDate = new Date(goLiveDate * 1000);
Expand All @@ -186,6 +188,7 @@ export const getCandyMachineState = async (
itemsRedeemed,
itemsRemaining,
goLiveDate,
tokenMint
};
}

Expand Down Expand Up @@ -237,6 +240,7 @@ export const mintOneToken = async (
config: anchor.web3.PublicKey, // feels like this should be part of candyMachine?
payer: anchor.web3.PublicKey,
treasury: anchor.web3.PublicKey,
associatedTokenAccountAddress?: anchor.web3.PublicKey,
): Promise<string> => {
const mint = anchor.web3.Keypair.generate();
const token = await getTokenWallet(payer, mint.publicKey);
Expand All @@ -248,6 +252,13 @@ export const mintOneToken = async (
MintLayout.span
);

const remainingAccounts = [];
if (associatedTokenAccountAddress) {
console.log("here", associatedTokenAccountAddress);
remainingAccounts.push({ pubkey: associatedTokenAccountAddress, isWritable: true, isSigner: false });
remainingAccounts.push({ pubkey: payer, isWritable: false, isSigner: true });
}

return await program.rpc.mintNft({
accounts: {
config,
Expand All @@ -266,6 +277,7 @@ export const mintOneToken = async (
clock: anchor.web3.SYSVAR_CLOCK_PUBKEY,
},
signers: [mint],
remainingAccounts,
instructions: [
anchor.web3.SystemProgram.createAccount({
fromPubkey: payer,
Expand Down