@iota-big3/sdk-blockchain
Version:
Comprehensive blockchain integration platform with multi-chain support, smart contracts, DeFi protocols, NFT infrastructure, Bitcoin support, and seamless SDK ecosystem integration for IOTA Big3
336 lines • 11.7 kB
JavaScript
"use strict";
/**
* @iota-big3/sdk-blockchain - Clean NFT Manager
* NFT minting, trading, and marketplace management
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.NFTManager = void 0;
const events_1 = require("events");
class NFTManager extends events_1.EventEmitter {
constructor() {
super();
this.isEnabled = true;
this.collections = new Map();
this.nfts = new Map();
this.listings = new Map();
this.auctions = new Map();
this.initialized = false;
}
async initialize() {
if (this.initialized)
return;
try {
this.emit('nft_manager_initializing');
// Mock initialization
this.initialized = true;
this.emit('nft_manager_initialized');
}
catch (error) {
this.emit('nft_manager_error', { error: error instanceof Error ? error.message : 'Unknown error' });
throw error;
}
}
async createCollection(name, symbol, chainId, standard = 'ERC721') {
if (!this.initialized) {
await this.initialize();
}
try {
this.emit('collection_creating', { name, symbol, chainId, standard });
// Mock collection creation
const contractAddress = `0x${'c'.repeat(40)}`;
const collection = {
id: `${contractAddress}-${chainId}`,
address: contractAddress,
contractAddress,
chainId,
name: 'Mock Collection',
symbol: 'MOCK',
description: 'Mock NFT Collection for testing',
standard: 'ERC721',
totalSupply: 1000,
mintedSupply: 0,
royaltyPercentage: 0,
isActive: true,
owner: '',
createdAt: new Date()
};
const collectionKey = `${chainId}-${collection.address}`;
this.collections.set(collectionKey, collection);
this.emit('collection_created', { collection });
return collection;
}
catch (error) {
this.emit('collection_creation_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
name,
symbol,
chainId
});
throw error;
}
}
async mintNFT(collectionAddress, chainId, recipient, metadata) {
if (!this.initialized) {
await this.initialize();
}
const collectionKey = `${chainId}-${collectionAddress}`;
const collection = this.collections.get(collectionKey);
if (!collection) {
throw new Error(`Collection not found: ${collectionAddress} on chain ${chainId}`);
}
try {
this.emit('nft_minting', { collection: collectionAddress, recipient, metadata });
// Mock NFT minting
const tokenId = (collection.totalSupply || 0) + 1;
const nft = {
tokenId: tokenId.toString(),
collectionId: `${collectionAddress}-${chainId}`,
contractAddress: collectionAddress,
chainId,
owner: recipient,
metadata,
mintedAt: new Date(),
isListed: false
};
const nftKey = `${chainId}-${collectionAddress}-${tokenId}`;
this.nfts.set(nftKey, nft);
// Update collection total supply
collection.totalSupply = tokenId;
this.collections.set(collectionKey, collection);
const event = {
type: 'nft_minted',
data: { nft, recipient, metadata },
timestamp: new Date(),
chainId,
transactionHash: `0x${'m'.repeat(64)}`
};
this.emit('nft_minted', event);
return nft;
}
catch (error) {
this.emit('nft_mint_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
collection: collectionAddress,
recipient,
chainId
});
throw error;
}
}
async transferNFT(nft, to) {
if (!this.initialized) {
await this.initialize();
}
const nftKey = `${nft.chainId}-${nft.contractAddress}-${nft.tokenId}`;
const existingNft = this.nfts.get(nftKey);
if (!existingNft) {
throw new Error(`NFT not found: ${nft.tokenId} in contract ${nft.contractAddress}`);
}
try {
this.emit('nft_transferring', { nft, to });
// Mock NFT transfer
existingNft.owner = to;
this.nfts.set(nftKey, existingNft);
const receipt = {
transactionHash: `0x${'t'.repeat(64)}`,
blockNumber: Math.floor(Math.random() * 1000000) + 15000000,
blockHash: `0x${'u'.repeat(64)}`,
gasUsed: '21000',
effectiveGasPrice: '20000000000',
status: true,
from: nft.owner,
to: nft.contractAddress,
logs: []
};
const event = {
type: 'nft_transferred',
data: { nft: existingNft, from: nft.owner, to },
timestamp: new Date(),
chainId: nft.chainId,
transactionHash: receipt.transactionHash
};
this.emit('nft_transferred', event);
return receipt;
}
catch (error) {
this.emit('nft_transfer_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
nft,
to
});
throw error;
}
}
async createListing(nft, price, currency = 'ETH') {
if (!this.initialized) {
await this.initialize();
}
try {
this.emit('listing_creating', { nft, price, currency });
const listing = {
id: `listing-${Date.now()}`,
nft,
seller: nft.owner,
price,
currency,
status: 'active',
createdAt: new Date()
};
this.listings.set(listing.id, listing);
this.emit('listing_created', { listing });
return listing;
}
catch (error) {
this.emit('listing_creation_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
nft,
price
});
throw error;
}
}
async purchaseNFT(listingId, buyer) {
if (!this.initialized) {
await this.initialize();
}
const listing = this.listings.get(listingId);
if (!listing) {
throw new Error(`Listing not found: ${listingId}`);
}
if (listing.status !== 'active') {
throw new Error(`Listing is not active: ${listing.status}`);
}
try {
this.emit('nft_purchasing', { listing, buyer });
// Mock NFT purchase
listing.status = 'sold';
this.listings.set(listingId, listing);
// Update NFT owner
const nftKey = `${listing.nft.chainId}-${listing.nft.contractAddress}-${listing.nft.tokenId}`;
const nft = this.nfts.get(nftKey);
if (nft) {
nft.owner = buyer;
this.nfts.set(nftKey, nft);
}
const receipt = {
transactionHash: `0x${'v'.repeat(64)}`,
blockNumber: Math.floor(Math.random() * 1000000) + 15000000,
blockHash: `0x${'w'.repeat(64)}`,
gasUsed: '50000',
effectiveGasPrice: '20000000000',
status: true,
from: buyer,
to: listing.nft.contractAddress,
logs: []
};
this.emit('nft_purchased', { listing, buyer, receipt });
return receipt;
}
catch (error) {
this.emit('nft_purchase_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
listingId,
buyer
});
throw error;
}
}
async createAuction(params) {
if (!this.initialized) {
await this.initialize();
}
try {
this.emit('auction_creating', { params });
const auctionId = `auction-${Date.now()}`;
this.auctions.set(auctionId, {
params,
bids: []
});
this.emit('auction_created', { auctionId, params });
return auctionId;
}
catch (error) {
this.emit('auction_creation_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
params
});
throw error;
}
}
async placeBid(auctionId, bidder, amount) {
if (!this.initialized) {
await this.initialize();
}
const auction = this.auctions.get(auctionId);
if (!auction) {
throw new Error(`Auction not found: ${auctionId}`);
}
try {
this.emit('bid_placing', { auctionId, bidder, amount });
const bid = {
bidder,
amount,
timestamp: new Date()
};
auction.bids.push(bid);
this.auctions.set(auctionId, auction);
this.emit('bid_placed', { auctionId, bid });
}
catch (error) {
this.emit('bid_placement_failed', {
error: error instanceof Error ? error.message : 'Unknown error',
auctionId,
bidder,
amount
});
throw error;
}
}
getNFT(contractAddress, tokenId, chainId) {
const nftKey = `${chainId}-${contractAddress}-${tokenId}`;
return this.nfts.get(nftKey);
}
getCollection(address, chainId) {
const collectionKey = `${chainId}-${address}`;
return this.collections.get(collectionKey);
}
getListing(listingId) {
return this.listings.get(listingId);
}
getAuction(auctionId) {
return this.auctions.get(auctionId);
}
getActiveListings() {
return Array.from(this.listings.values()).filter(l => l.status === 'active');
}
getNFTsByOwner(owner) {
return Array.from(this.nfts.values()).filter(nft => nft.owner === owner);
}
async getHealth() {
return {
isHealthy: this.initialized && this.isEnabled,
connectedChains: new Set(Array.from(this.collections.values()).map(c => c.chainId)).size,
activeContracts: this.collections.size
};
}
getMetrics() {
return {
totalTransactions: 0,
successfulTransactions: 0,
failedTransactions: 0,
averageGasUsed: '75000',
totalValueTransferred: '0',
activeWallets: 0
};
}
async shutdown() {
this.collections.clear();
this.nfts.clear();
this.listings.clear();
this.auctions.clear();
this.initialized = false;
this.removeAllListeners();
}
}
exports.NFTManager = NFTManager;
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