NFT Marketplace Part 4
Introduction
Here is the multi asset template :
- you have an unlimited number of NFT collections
- you have an unlimited quantity of items in each collection
To resume, you are producing any quantity of wine bottles on n collections
Keep your code from previous training or get the solution here
If you clone/fork a repo, rebuild in local
npm i
cd ./app
yarn install
cd ..
Smart Contract
Point to the new template changing the first import line of nft.jsligo file to
#import "@ligo/fa/lib/fa2/asset/multi_asset.impl.jsligo" "FA2Impl"
It means you need to change the namespace from SingleAsset to MultiAsset everywhere (like this you are sure to use the correct library)
You have to re-introduce the token_id as there are several collections now.
Remove totalSupply and add two extra key sets owner_token_ids and token_ids
Change the storage definition
export type offer = {
quantity: nat,
price: nat
};
export type storage = {
administrators: set<address>,
offers: map<[address, nat], offer>, //user sells an offer for a token_id
ledger: FA2Impl.Datatypes.ledger,
metadata: FA2Impl.TZIP16.metadata,
token_metadata: FA2Impl.TZIP12.tokenMetadata,
operators: FA2Impl.Datatypes.operators,
};
Update mint function
@entry
const mint = (
[token_id, quantity, name, description, symbol, ipfsUrl]: [
nat,
nat,
bytes,
bytes,
bytes,
bytes
],
s: storage
): ret => {
if (quantity <= (0 as nat)) return failwith("0");
if (! Set.mem(Tezos.get_sender(), s.administrators)) return failwith("1");
const token_info: map<string, bytes> =
Map.literal(
list(
[
["name", name],
["description", description],
["interfaces", (bytes `["TZIP-12"]`)],
["artifactUri", ipfsUrl],
["displayUri", ipfsUrl],
["thumbnailUri", ipfsUrl],
["symbol", symbol],
["decimals", (bytes `0`)]
]
)
) as map<string, bytes>;
return [
list([]) as list<operation>,
{
...s,
ledger: Big_map.add(
[Tezos.get_sender(), token_id],
quantity as nat,
s.ledger
) as FA2Impl.Datatypes.ledger,
token_metadata: Big_map.add(
token_id,
{ token_id: token_id, token_info: token_info },
s.token_metadata
),
operators: Big_map.empty as FA2Impl.Datatypes.operators
}
]
};
You also need to update sell function
@entry
const sell = ([token_id, quantity, price]: [nat, nat, nat], s: storage): ret => {
//check balance of seller
const sellerBalance =
FA2Impl.Sidecar.get_for_user([s.ledger, Tezos.get_source(), token_id]);
if (quantity > sellerBalance) return failwith("2");
//need to allow the contract itself to be an operator on behalf of the seller
const newOperators =
FA2Impl.Sidecar.add_operator(
[s.operators, Tezos.get_source(), Tezos.get_self_address(), token_id]
);
//DECISION CHOICE: if offer already exists, we just override it
return [
list([]) as list<operation>,
{
...s,
offers: Map.add(
[Tezos.get_source(), token_id],
{ quantity: quantity, price: price },
s.offers
),
operators: newOperators
}
]
};
Same for the buy function
@entry
const buy = ([token_id, quantity, seller]: [nat, nat, address], s: storage): ret => {
//search for the offer
return match(Map.find_opt([seller, token_id], s.offers)) {
when (None()):
failwith("3")
when (Some(offer)):
do {
//check if amount have been paid enough
if (Tezos.get_amount() < offer.price * (1 as mutez)) return failwith(
"5"
);
// prepare transfer of XTZ to seller
const op =
Tezos.transaction(
unit,
offer.price * (1 as mutez),
Tezos.get_contract_with_error(seller, "6")
);
//transfer tokens from seller to buyer
let ledger =
FA2Impl.Sidecar.decrease_token_amount_for_user(
[s.ledger, seller, token_id, quantity]
);
ledger
= FA2Impl.Sidecar.increase_token_amount_for_user(
[ledger, Tezos.get_source(), token_id, quantity]
);
//update new offer
const newOffer = { ...offer, quantity: abs(offer.quantity - quantity) };
return [
list([op]) as list<operation>,
{
...s,
offers: Map.update([seller, token_id], Some(newOffer), s.offers),
ledger: ledger
}
]
}
}
};
Change the initial storage to
#import "nft.jsligo" "Contract"
const default_storage: Contract.storage = {
administrators: Set.literal(
list(["tz1VSUr8wwNhLAzempoch5d6hLRiTh8Cjcjb" as address])
) as set<address>,
offers: Map.empty as map<[address, nat], Contract.offer>,
ledger: Big_map.empty as Contract.FA2Impl.MultiAsset.ledger,
metadata: Big_map.literal(
list(
[
["", bytes `tezos-storage:data`],
[
"data",
bytes
`{
"name":"FA2 NFT Marketplace",
"description":"Example of FA2 implementation",
"version":"0.0.1",
"license":{"name":"MIT"},
"authors":["Marigold<contact@marigold.dev>"],
"homepage":"https://marigold.dev",
"source":{
"tools":["Ligo"],
"location":"https://github.com/ligolang/contract-catalogue/tree/main/lib/fa2"},
"interfaces":["TZIP-012"],
"errors": [],
"views": []
}`
]
]
)
) as Contract.FA2Impl.TZIP16.metadata,
token_metadata: Big_map.empty as Contract.FA2Impl.TZIP12.tokenMetadata,
operators: Big_map.empty as Contract.FA2Impl.MultiAsset.operators,
};
Compile again and deploy to ghostnet
TAQ_LIGO_IMAGE=ligolang/ligo:1.0.0 taq compile nft.jsligo
taq deploy nft.tz -e "testing"
┌──────────┬──────────────────────────────────────┬───────┬──────────────────┬────────────────────────────────┐
│ Contract │ Address │ Alias │ Balance In Mutez │ Destination │
├──────────┼──────────────────────────────────────┼───────┼──────────────────┼────────────────────────────────┤
│ nft.tz │ KT1KAkKJdbx9FGwYhKfWN3pHovX1mb3fQpC4 │ nft │ 0 │ https://ghostnet.ecadinfra.com │
└──────────┴──────────────────────────────────────┴───────┴──────────────────┴────────────────────────────────┘
The smart contract (backend) is finished
NFT Marketplace front
Generate Typescript classes and go to the frontend to run the server
taq generate types ./app/src
cd ./app
yarn install
yarn dev
Update in App.tsx
Forget about token_id == 0 and fetch back all tokens.
Replace the function refreshUserContextOnPageReload with the following content
const refreshUserContextOnPageReload = async () => {
console.log("refreshUserContext");
//CONTRACT
try {
let c = await Tezos.contract.at(nftContractAddress, tzip12);
console.log("nftContractAddress", nftContractAddress);
let nftContrat: NftWalletType = await Tezos.wallet.at<NftWalletType>(
nftContractAddress
);
const storage = (await nftContrat.storage()) as Storage;
const token_metadataBigMapId = (
storage.token_metadata as unknown as { id: BigNumber }
).id.toNumber();
const token_ids = await api.bigMapsGetKeys(token_metadataBigMapId, {
micheline: "Json",
active: true,
});
await Promise.all(
token_ids.map(async (token_idKey) => {
const key: string = token_idKey.key;
let tokenMetadata: TZIP21TokenMetadata = (await c
.tzip12()
.getTokenMetadata(Number(key))) as TZIP21TokenMetadata;
nftContratTokenMetadataMap.set(key, tokenMetadata);
})
);
setNftContratTokenMetadataMap(new Map(nftContratTokenMetadataMap)); //new Map to force refresh
setNftContrat(nftContrat);
setStorage(storage);
} catch (error) {
console.log("error refreshing nft contract: ", error);
}
//USER
const activeAccount = await wallet.client.getActiveAccount();
if (activeAccount) {
setUserAddress(activeAccount.address);
const balance = await Tezos.tz.getBalance(activeAccount.address);
setUserBalance(balance.toNumber());
}
console.log("refreshUserContext ended.");
};
Update in MintPage.tsx
Just update the mint call and add the missing quantity, and add back the token_id counter incrementer
import {
AddCircleOutlined,
Close,
KeyboardArrowLeft,
KeyboardArrowRight,
} from "@mui/icons-material";
import OpenWithIcon from "@mui/icons-material/OpenWith";
import {
Box,
Button,
CardHeader,
CardMedia,
MobileStepper,
Stack,
SwipeableDrawer,
TextField,
Toolbar,
useMediaQuery,
} from "@mui/material";
import Card from "@mui/material/Card";
import CardContent from "@mui/material/CardContent";
import Paper from "@mui/material/Paper";
import Typography from "@mui/material/Typography";
import { char2Bytes } from "@taquito/utils";
import { BigNumber } from "bignumber.js";
import { useFormik } from "formik";
import { useSnackbar } from "notistack";
import React, { useEffect, useState } from "react";
import SwipeableViews from "react-swipeable-views";
import * as yup from "yup";
import { TZIP21TokenMetadata, UserContext, UserContextType } from "./App";
import { TransactionInvalidBeaconError } from "./TransactionInvalidBeaconError";
import { address, bytes, nat } from "./type-aliases";
export default function MintPage() {
const {
userAddress,
nftContrat,
refreshUserContextOnPageReload,
nftContratTokenMetadataMap,
storage,
} = React.useContext(UserContext) as UserContextType;
const { enqueueSnackbar } = useSnackbar();
const [pictureUrl, setPictureUrl] = useState<string>("");
const [file, setFile] = useState<File | null>(null);
const [activeStep, setActiveStep] = React.useState(0);
const handleNext = () => {
setActiveStep((prevActiveStep) => prevActiveStep + 1);
};
const handleBack = () => {
setActiveStep((prevActiveStep) => prevActiveStep - 1);
};
const handleStepChange = (step: number) => {
setActiveStep(step);
};
const validationSchema = yup.object({
name: yup.string().required("Name is required"),
description: yup.string().required("Description is required"),
symbol: yup.string().required("Symbol is required"),
quantity: yup
.number()
.required("Quantity is required")
.positive("ERROR: The number must be greater than 0!"),
});
const formik = useFormik({
initialValues: {
name: "",
description: "",
token_id: 0,
symbol: "WINE",
quantity: 1,
} as TZIP21TokenMetadata & { quantity: number },
validationSchema: validationSchema,
onSubmit: (values) => {
mint(values);
},
});
//open mint drawer if admin
useEffect(() => {
if (storage && storage!.administrators.indexOf(userAddress! as address) < 0)
setFormOpen(false);
else setFormOpen(true);
}, [userAddress]);
useEffect(() => {
(async () => {
if (nftContratTokenMetadataMap && nftContratTokenMetadataMap.size > 0) {
formik.setFieldValue("token_id", nftContratTokenMetadataMap.size);
}
})();
}, [nftContratTokenMetadataMap?.size]);
const mint = async (
newTokenDefinition: TZIP21TokenMetadata & { quantity: number }
) => {
try {
//IPFS
if (file) {
const formData = new FormData();
formData.append("file", file);
const requestHeaders: HeadersInit = new Headers();
requestHeaders.set(
"pinata_api_key",
`${import.meta.env.VITE_PINATA_API_KEY}`
);
requestHeaders.set(
"pinata_secret_api_key",
`${import.meta.env.VITE_PINATA_API_SECRET}`
);
const resFile = await fetch(
"https://api.pinata.cloud/pinning/pinFileToIPFS",
{
method: "post",
body: formData,
headers: requestHeaders,
}
);
const responseJson = await resFile.json();
console.log("responseJson", responseJson);
const thumbnailUri = `ipfs://${responseJson.IpfsHash}`;
setPictureUrl(
`https://gateway.pinata.cloud/ipfs/${responseJson.IpfsHash}`
);
const op = await nftContrat!.methods
.mint(
new BigNumber(newTokenDefinition.token_id) as nat,
new BigNumber(newTokenDefinition.quantity) as nat,
char2Bytes(newTokenDefinition.name!) as bytes,
char2Bytes(newTokenDefinition.description!) as bytes,
char2Bytes(newTokenDefinition.symbol!) as bytes,
char2Bytes(thumbnailUri) as bytes
)
.send();
//close directly the form
setFormOpen(false);
enqueueSnackbar(
"Wine collection is minting ... it will be ready on next block, wait for the confirmation message before minting another collection",
{ variant: "info" }
);
await op.confirmation(2);
enqueueSnackbar("Wine collection minted", { variant: "success" });
refreshUserContextOnPageReload(); //force all app to refresh the context
}
} catch (error) {
console.table(`Error: ${JSON.stringify(error, null, 2)}`);
let tibe: TransactionInvalidBeaconError =
new TransactionInvalidBeaconError(error);
enqueueSnackbar(tibe.data_message, {
variant: "error",
autoHideDuration: 10000,
});
}
};
const [formOpen, setFormOpen] = useState<boolean>(false);
const toggleDrawer =
(open: boolean) => (event: React.KeyboardEvent | React.MouseEvent) => {
if (
event.type === "keydown" &&
((event as React.KeyboardEvent).key === "Tab" ||
(event as React.KeyboardEvent).key === "Shift")
) {
return;
}
setFormOpen(open);
};
const isTablet = useMediaQuery("(min-width:600px)");
return (
<Paper>
{storage ? (
<Button
disabled={storage.administrators.indexOf(userAddress! as address) < 0}
sx={{
p: 1,
position: "absolute",
right: "0",
display: formOpen ? "none" : "block",
zIndex: 1,
}}
onClick={toggleDrawer(!formOpen)}
>
{" Mint Form " +
(storage!.administrators.indexOf(userAddress! as address) < 0
? " (You are not admin)"
: "")}
<OpenWithIcon />
</Button>
) : (
""
)}
<SwipeableDrawer
onClose={toggleDrawer(false)}
onOpen={toggleDrawer(true)}
anchor="right"
open={formOpen}
variant="temporary"
>
<Toolbar
sx={
isTablet
? { marginTop: "0", marginRight: "0" }
: { marginTop: "35px", marginRight: "125px" }
}
/>
<Box
sx={{
width: isTablet ? "40vw" : "60vw",
borderColor: "text.secondary",
borderStyle: "solid",
borderWidth: "1px",
height: "calc(100vh - 64px)",
}}
>
<Button
sx={{
position: "absolute",
right: "0",
display: !formOpen ? "none" : "block",
}}
onClick={toggleDrawer(!formOpen)}
>
<Close />
</Button>
<form onSubmit={formik.handleSubmit}>
<Stack spacing={2} margin={2} alignContent={"center"}>
<Typography variant="h5">Mint a new collection</Typography>
<TextField
id="standard-basic"
name="token_id"
label="token_id"
value={formik.values.token_id}
disabled
variant="filled"
/>
<TextField
id="standard-basic"
name="name"
label="name"
required
value={formik.values.name}
onChange={formik.handleChange}
error={formik.touched.name && Boolean(formik.errors.name)}
helperText={formik.touched.name && formik.errors.name}
variant="filled"
/>
<TextField
id="standard-basic"
name="symbol"
label="symbol"
required
value={formik.values.symbol}
onChange={formik.handleChange}
error={formik.touched.symbol && Boolean(formik.errors.symbol)}
helperText={formik.touched.symbol && formik.errors.symbol}
variant="filled"
/>
<TextField
id="standard-basic"
name="description"
label="description"
required
multiline
minRows={2}
value={formik.values.description}
onChange={formik.handleChange}
error={
formik.touched.description &&
Boolean(formik.errors.description)
}
helperText={
formik.touched.description && formik.errors.description
}
variant="filled"
/>
<TextField
type="number"
id="standard-basic"
name="quantity"
label="quantity"
required
value={formik.values.quantity}
onChange={formik.handleChange}
error={
formik.touched.quantity && Boolean(formik.errors.quantity)
}
helperText={formik.touched.quantity && formik.errors.quantity}
variant="filled"
/>
{pictureUrl ? (
<img height={100} width={100} src={pictureUrl} />
) : (
""
)}
<Button variant="contained" component="label" color="primary">
<AddCircleOutlined />
Upload an image
<input
type="file"
hidden
name="data"
onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
const data = e.target.files ? e.target.files[0] : null;
if (data) {
setFile(data);
}
e.preventDefault();
}}
/>
</Button>
<Button variant="contained" type="submit">
Mint
</Button>
</Stack>
</form>
</Box>
</SwipeableDrawer>
<Typography variant="h5">Mint your wine collection</Typography>
{nftContratTokenMetadataMap.size != 0 ? (
<Box sx={{ width: "70vw" }}>
<SwipeableViews
axis="x"
index={activeStep}
onChangeIndex={handleStepChange}
enableMouseEvents
>
{Array.from(nftContratTokenMetadataMap!.entries()).map(
([token_id, token]) => (
<Card
sx={{
display: "block",
maxWidth: "80vw",
overflow: "hidden",
}}
key={token_id.toString()}
>
<CardHeader
titleTypographyProps={
isTablet ? { fontSize: "1.5em" } : { fontSize: "1em" }
}
title={token.name}
/>
<CardMedia
sx={
isTablet
? {
width: "auto",
marginLeft: "33%",
maxHeight: "50vh",
}
: { width: "100%", maxHeight: "40vh" }
}
component="img"
image={token.thumbnailUri?.replace(
"ipfs://",
"https://gateway.pinata.cloud/ipfs/"
)}
/>
<CardContent>
<Box>
<Typography>{"ID : " + token_id}</Typography>
<Typography>{"Symbol : " + token.symbol}</Typography>
<Typography>
{"Description : " + token.description}
</Typography>
</Box>
</CardContent>
</Card>
)
)}
</SwipeableViews>
<MobileStepper
variant="text"
steps={Array.from(nftContratTokenMetadataMap!.entries()).length}
position="static"
activeStep={activeStep}
nextButton={
<Button
size="small"
onClick={handleNext}
disabled={
activeStep ===
Array.from(nftContratTokenMetadataMap!.entries()).length - 1
}
>
Next
<KeyboardArrowRight />
</Button>
}
backButton={
<Button
size="small"
onClick={handleBack}
disabled={activeStep === 0}
>
<KeyboardArrowLeft />
Back
</Button>
}
/>
</Box>
) : (
<Typography sx={{ py: "2em" }} variant="h4">
Sorry, there is not NFT yet, you need to mint bottles first
</Typography>
)}
</Paper>
);
}
Update in OffersPage.tsx
Copy the content below, and paste it to OffersPage.tsx
import { InfoOutlined } from "@mui/icons-material";
import SellIcon from "@mui/icons-material/Sell";
import * as api from "@tzkt/sdk-api";
import {
Box,
Button,
Card,
CardActions,
CardContent,
CardHeader,
CardMedia,
ImageList,
InputAdornment,
Pagination,
TextField,
Tooltip,
Typography,
useMediaQuery,
} from "@mui/material";
import Paper from "@mui/material/Paper";
import BigNumber from "bignumber.js";
import { useFormik } from "formik";
import { useSnackbar } from "notistack";
import React, { Fragment, useEffect, useState } from "react";
import * as yup from "yup";
import { UserContext, UserContextType } from "./App";
import ConnectButton from "./ConnectWallet";
import { TransactionInvalidBeaconError } from "./TransactionInvalidBeaconError";
import { address, nat } from "./type-aliases";
const itemPerPage: number = 6;
const validationSchema = yup.object({
price: yup
.number()
.required("Price is required")
.positive("ERROR: The number must be greater than 0!"),
quantity: yup
.number()
.required("Quantity is required")
.positive("ERROR: The number must be greater than 0!"),
});
type Offer = {
price: nat;
quantity: nat;
};
export default function OffersPage() {
api.defaults.baseUrl = "https://api.ghostnet.tzkt.io";
const [selectedTokenId, setSelectedTokenId] = React.useState<number>(0);
const [currentPageIndex, setCurrentPageIndex] = useState<number>(1);
let [offersTokenIDMap, setOffersTokenIDMap] = React.useState<
Map<number, Offer>
>(new Map());
let [ledgerTokenIDMap, setLedgerTokenIDMap] = React.useState<
Map<number, nat>
>(new Map());
const {
nftContrat,
nftContratTokenMetadataMap,
userAddress,
storage,
refreshUserContextOnPageReload,
Tezos,
setUserAddress,
setUserBalance,
wallet,
} = React.useContext(UserContext) as UserContextType;
const { enqueueSnackbar } = useSnackbar();
const formik = useFormik({
initialValues: {
price: 0,
quantity: 1,
},
validationSchema: validationSchema,
onSubmit: (values) => {
console.log("onSubmit: (values)", values, selectedTokenId);
sell(selectedTokenId, values.quantity, values.price);
},
});
const initPage = async () => {
if (storage) {
console.log("context is not empty, init page now");
ledgerTokenIDMap = new Map();
offersTokenIDMap = new Map();
const ledgerBigMapId = (
storage.ledger as unknown as { id: BigNumber }
).id.toNumber();
const owner_token_ids = await api.bigMapsGetKeys(ledgerBigMapId, {
micheline: "Json",
active: true,
});
await Promise.all(
owner_token_ids.map(async (owner_token_idKey) => {
const key: { address: string; nat: string } = owner_token_idKey.key;
if (key.address === userAddress) {
const ownerBalance = await storage.ledger.get({
0: userAddress as address,
1: BigNumber(key.nat) as nat,
});
if (ownerBalance.toNumber() !== 0)
ledgerTokenIDMap.set(Number(key.nat), ownerBalance);
const ownerOffers = await storage.offers.get({
0: userAddress as address,
1: BigNumber(key.nat) as nat,
});
if (ownerOffers && ownerOffers.quantity.toNumber() !== 0)
offersTokenIDMap.set(Number(key.nat), ownerOffers);
console.log(
"found for " +
key.address +
" on token_id " +
key.nat +
" with balance " +
ownerBalance
);
} else {
console.log("skip to next owner");
}
})
);
setLedgerTokenIDMap(new Map(ledgerTokenIDMap)); //force refresh
setOffersTokenIDMap(new Map(offersTokenIDMap)); //force refresh
console.log("ledgerTokenIDMap", ledgerTokenIDMap);
} else {
console.log("context is empty, wait for parent and retry ...");
}
};
useEffect(() => {
(async () => {
console.log("after a storage changed");
await initPage();
})();
}, [storage]);
useEffect(() => {
(async () => {
console.log("on Page init");
await initPage();
})();
}, []);
const sell = async (token_id: number, quantity: number, price: number) => {
try {
const op = await nftContrat?.methods
.sell(
BigNumber(token_id) as nat,
BigNumber(quantity) as nat,
BigNumber(price * 1000000) as nat //to mutez
)
.send();
await op?.confirmation(2);
enqueueSnackbar(
"Wine collection (token_id=" +
token_id +
") offer for " +
quantity +
" units at price of " +
price +
" XTZ",
{ variant: "success" }
);
refreshUserContextOnPageReload(); //force all app to refresh the context
} catch (error) {
console.table(`Error: ${JSON.stringify(error, null, 2)}`);
let tibe: TransactionInvalidBeaconError =
new TransactionInvalidBeaconError(error);
enqueueSnackbar(tibe.data_message, {
variant: "error",
autoHideDuration: 10000,
});
}
};
const isDesktop = useMediaQuery("(min-width:1100px)");
const isTablet = useMediaQuery("(min-width:600px)");
return (
<Paper>
<Typography style={{ paddingBottom: "10px" }} variant="h5">
Sell my bottles
</Typography>
{ledgerTokenIDMap && ledgerTokenIDMap.size != 0 ? (
<Fragment>
<Pagination
page={currentPageIndex}
onChange={(_, value) => setCurrentPageIndex(value)}
count={Math.ceil(
Array.from(ledgerTokenIDMap.entries()).length / itemPerPage
)}
showFirstButton
showLastButton
/>
<ImageList
cols={isDesktop ? itemPerPage / 2 : isTablet ? itemPerPage / 3 : 1}
>
{Array.from(ledgerTokenIDMap.entries())
.filter((_, index) =>
index >= currentPageIndex * itemPerPage - itemPerPage &&
index < currentPageIndex * itemPerPage
? true
: false
)
.map(([token_id, balance]) => (
<Card key={token_id + "-" + token_id.toString()}>
<CardHeader
avatar={
<Tooltip
title={
<Box>
<Typography>
{" "}
{"ID : " + token_id.toString()}{" "}
</Typography>
<Typography>
{"Description : " +
nftContratTokenMetadataMap.get(
token_id.toString()
)?.description}
</Typography>
</Box>
}
>
<InfoOutlined />
</Tooltip>
}
title={
nftContratTokenMetadataMap.get(token_id.toString())?.name
}
/>
<CardMedia
sx={{ width: "auto", marginLeft: "33%" }}
component="img"
height="100px"
image={nftContratTokenMetadataMap
.get(token_id.toString())
?.thumbnailUri?.replace(
"ipfs://",
"https://gateway.pinata.cloud/ipfs/"
)}
/>
<CardContent>
<Box>
<Typography variant="body2">
{"Owned : " + balance.toNumber()}
</Typography>
<Typography variant="body2">
{offersTokenIDMap.get(token_id)
? "Traded : " +
offersTokenIDMap.get(token_id)?.quantity +
" (price : " +
offersTokenIDMap
.get(token_id)
?.price.dividedBy(1000000) +
" Tz/b)"
: ""}
</Typography>
</Box>
</CardContent>
<CardActions>
{!userAddress ? (
<Box marginLeft="5vw">
<ConnectButton
Tezos={Tezos}
nftContratTokenMetadataMap={
nftContratTokenMetadataMap
}
setUserAddress={setUserAddress}
setUserBalance={setUserBalance}
wallet={wallet}
/>
</Box>
) : (
<form
style={{ width: "100%" }}
onSubmit={(values) => {
setSelectedTokenId(token_id);
formik.handleSubmit(values);
}}
>
<span>
<TextField
type="number"
sx={{ width: "40%" }}
name="price"
label="price/bottle"
placeholder="Enter a price"
variant="filled"
value={formik.values.price}
onChange={formik.handleChange}
error={
formik.touched.price &&
Boolean(formik.errors.price)
}
helperText={
formik.touched.price && formik.errors.price
}
/>
<TextField
sx={{
width: "60%",
bottom: 0,
position: "relative",
}}
type="number"
label="quantity"
name="quantity"
placeholder="Enter a quantity"
variant="filled"
value={formik.values.quantity}
onChange={formik.handleChange}
error={
formik.touched.quantity &&
Boolean(formik.errors.quantity)
}
helperText={
formik.touched.quantity && formik.errors.quantity
}
InputProps={{
inputProps: { min: 0, max: balance.toNumber() },
endAdornment: (
<InputAdornment position="end">
<Button
type="submit"
aria-label="add to favorites"
>
<SellIcon /> Sell
</Button>
</InputAdornment>
),
}}
/>
</span>
</form>
)}
</CardActions>
</Card>
))}{" "}
</ImageList>
</Fragment>
) : (
<Typography sx={{ py: "2em" }} variant="h4">
Sorry, you don't own any bottles, buy or mint some first
</Typography>
)}
</Paper>
);
}
Update in WineCataloguePage.tsx
Copy the content below, and paste it to WineCataloguePage.tsx
import { InfoOutlined } from "@mui/icons-material";
import ShoppingCartIcon from "@mui/icons-material/ShoppingCart";
import {
Box,
Button,
Card,
CardActions,
CardContent,
CardHeader,
CardMedia,
ImageList,
InputAdornment,
Pagination,
TextField,
Tooltip,
useMediaQuery,
} from "@mui/material";
import Paper from "@mui/material/Paper";
import Typography from "@mui/material/Typography";
import BigNumber from "bignumber.js";
import { useFormik } from "formik";
import { useSnackbar } from "notistack";
import React, { Fragment, useState } from "react";
import * as yup from "yup";
import { UserContext, UserContextType } from "./App";
import ConnectButton from "./ConnectWallet";
import { TransactionInvalidBeaconError } from "./TransactionInvalidBeaconError";
import { address, nat } from "./type-aliases";
const itemPerPage: number = 6;
type OfferEntry = [{ 0: address; 1: nat }, Offer];
type Offer = {
price: nat;
quantity: nat;
};
const validationSchema = yup.object({
quantity: yup
.number()
.required("Quantity is required")
.positive("ERROR: The number must be greater than 0!"),
});
export default function WineCataloguePage() {
const {
Tezos,
nftContratTokenMetadataMap,
setUserAddress,
setUserBalance,
wallet,
userAddress,
nftContrat,
refreshUserContextOnPageReload,
storage,
} = React.useContext(UserContext) as UserContextType;
const [selectedOfferEntry, setSelectedOfferEntry] =
React.useState<OfferEntry | null>(null);
const formik = useFormik({
initialValues: {
quantity: 1,
},
validationSchema: validationSchema,
onSubmit: (values) => {
console.log("onSubmit: (values)", values, selectedOfferEntry);
buy(values.quantity, selectedOfferEntry!);
},
});
const { enqueueSnackbar } = useSnackbar();
const [currentPageIndex, setCurrentPageIndex] = useState<number>(1);
const buy = async (quantity: number, selectedOfferEntry: OfferEntry) => {
try {
const op = await nftContrat?.methods
.buy(
selectedOfferEntry[0][1],
BigNumber(quantity) as nat,
selectedOfferEntry[0][0]
)
.send({
amount: quantity * selectedOfferEntry[1].price.toNumber(),
mutez: true,
});
await op?.confirmation(2);
enqueueSnackbar(
"Bought " +
quantity +
" unit of Wine collection (token_id:" +
selectedOfferEntry[0][1] +
")",
{
variant: "success",
}
);
refreshUserContextOnPageReload(); //force all app to refresh the context
} catch (error) {
console.table(`Error: ${JSON.stringify(error, null, 2)}`);
let tibe: TransactionInvalidBeaconError =
new TransactionInvalidBeaconError(error);
enqueueSnackbar(tibe.data_message, {
variant: "error",
autoHideDuration: 10000,
});
}
};
const isDesktop = useMediaQuery("(min-width:1100px)");
const isTablet = useMediaQuery("(min-width:600px)");
return (
<Paper>
<Typography style={{ paddingBottom: "10px" }} variant="h5">
Wine catalogue
</Typography>
{storage?.offers && storage?.offers.size != 0 ? (
<Fragment>
<Pagination
page={currentPageIndex}
onChange={(_, value) => setCurrentPageIndex(value)}
count={Math.ceil(
Array.from(storage?.offers.entries()).filter(([_, offer]) =>
offer.quantity.isGreaterThan(0)
).length / itemPerPage
)}
showFirstButton
showLastButton
/>
<ImageList
cols={isDesktop ? itemPerPage / 2 : isTablet ? itemPerPage / 3 : 1}
>
{Array.from(storage?.offers.entries())
.filter(([_, offer]) => offer.quantity.isGreaterThan(0))
.filter((_, index) =>
index >= currentPageIndex * itemPerPage - itemPerPage &&
index < currentPageIndex * itemPerPage
? true
: false
)
.map(([key, offer]) => (
<Card key={key[0] + "-" + key[1].toString()}>
<CardHeader
avatar={
<Tooltip
title={
<Box>
<Typography>
{" "}
{"ID : " + key[1].toString()}{" "}
</Typography>
<Typography>
{"Description : " +
nftContratTokenMetadataMap.get(
key[1].toString()
)?.description}
</Typography>
<Typography>{"Seller : " + key[0]} </Typography>
</Box>
}
>
<InfoOutlined />
</Tooltip>
}
title={
nftContratTokenMetadataMap.get(key[1].toString())?.name
}
/>
<CardMedia
sx={{ width: "auto", marginLeft: "33%" }}
component="img"
height="100px"
image={nftContratTokenMetadataMap
.get(key[1].toString())
?.thumbnailUri?.replace(
"ipfs://",
"https://gateway.pinata.cloud/ipfs/"
)}
/>
<CardContent>
<Box>
<Typography variant="body2">
{" "}
{"Price : " +
offer.price.dividedBy(1000000) +
" XTZ/bottle"}
</Typography>
<Typography variant="body2">
{"Available units : " + offer.quantity}
</Typography>
</Box>
</CardContent>
<CardActions>
{!userAddress ? (
<Box marginLeft="5vw">
<ConnectButton
Tezos={Tezos}
nftContratTokenMetadataMap={
nftContratTokenMetadataMap
}
setUserAddress={setUserAddress}
setUserBalance={setUserBalance}
wallet={wallet}
/>
</Box>
) : (
<form
style={{ width: "100%" }}
onSubmit={(values) => {
setSelectedOfferEntry([key, offer]);
formik.handleSubmit(values);
}}
>
<TextField
type="number"
sx={{ bottom: 0, position: "relative" }}
fullWidth
name="quantity"
label="quantity"
placeholder="Enter a quantity"
variant="filled"
value={formik.values.quantity}
onChange={formik.handleChange}
error={
formik.touched.quantity &&
Boolean(formik.errors.quantity)
}
helperText={
formik.touched.quantity && formik.errors.quantity
}
InputProps={{
inputProps: { min: 0, max: offer.quantity },
endAdornment: (
<InputAdornment position="end">
<Button
type="submit"
aria-label="add to favorites"
>
<ShoppingCartIcon /> BUY
</Button>
</InputAdornment>
),
}}
/>
</form>
)}
</CardActions>
</Card>
))}
</ImageList>
</Fragment>
) : (
<Typography sx={{ py: "2em" }} variant="h4">
Sorry, there is not NFT to buy yet, you need to mint or sell bottles
first
</Typography>
)}
</Paper>
);
}
Let's play
- Connect with your wallet and choose alice account (or one of the administrators you set on the smart contract earlier). You are redirected to the Administration/mint page as there is no NFT minted yet
- Create an asset, for example :
name: Saint Emilion - Franc la Rosesymbol: SEMILdescription: Grand cru 2007quantity: 1000
- Click on Upload an image and select a bottle picture on your computer
- Click on the Mint button
Your picture is pushed to IPFS and is displayed, then your wallet asks you to sign the mint operation.
- Confirm operation
- Wait less than 1 minute to get the confirmation notification, the page is automatically refreshed
Now you can see the Trading menu and the Bottle offers sub-menu
Click on the sub-menu entry
You are the owner of this bottle so you can create an offer on it
- Enter a quantity
- Enter a price offer
- Click on SELL button
- Wait a bit for the confirmation, then once automatically refreshed you have an offer attached to your NFT!
For buying,
- Disconnect from your user and connect with another account (who has enough XTZ to buy at least 1 bottle)
- The buyer will see that Alice is selling some bottles from the unique collection
- Buy some bottles while clicking on the BUY button
- Wait for the confirmation, then the offer is updated on the market (depending on how many bottles you bought)
- Click on the bottle offers submenu
- You are now the owner of some bottles, you can resell a part of it at your own price, etc ...
To add more collections, go to the Mint page and repeat the process.
Conclusion
You are able to use any NFT template from the Ligo library.
Congratulations!