hero/core/engine/examples/finance/finance_script.rhai
2025-07-29 01:15:23 +02:00

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// finance_script.rhai
// Example Rhai script for working with Finance models
// Constants for AssetType
const NATIVE = "Native";
const ERC20 = "Erc20";
const ERC721 = "Erc721";
const ERC1155 = "Erc1155";
// Constants for ListingStatus
const ACTIVE = "Active";
const SOLD = "Sold";
const CANCELLED = "Cancelled";
const EXPIRED = "Expired";
// Constants for ListingType
const FIXED_PRICE = "FixedPrice";
const AUCTION = "Auction";
const EXCHANGE = "Exchange";
// Constants for BidStatus
const BID_ACTIVE = "Active";
const BID_ACCEPTED = "Accepted";
const BID_REJECTED = "Rejected";
const BID_CANCELLED = "Cancelled";
// Create a new account using builder pattern
let alice_account = new_account()
.name("Alice's Account")
.user_id(101)
.description("Alice's primary trading account")
.ledger("ethereum")
.address("0x1234567890abcdef1234567890abcdef12345678")
.pubkey("0xabcdef1234567890abcdef1234567890abcdef12");
print(`Created account: ${alice_account.get_name()} (User ID: ${alice_account.get_user_id()})`);
// Save the account to the database
let saved_alice = set_account(alice_account);
print(`Account saved to database with ID: ${saved_alice.get_id()}`);
// Create a new asset using builder pattern
let token_asset = new_asset()
.name("HERO Token")
.description("Herocode governance token")
.amount(1000.0)
.address("0x9876543210abcdef9876543210abcdef98765432")
.asset_type(ERC20)
.decimals(18);
print(`Created asset: ${token_asset.get_name()} (${token_asset.get_amount()} ${token_asset.get_asset_type()})`);
// Save the asset to the database
let saved_token = set_asset(token_asset);
print(`Asset saved to database with ID: ${saved_token.get_id()}`);
// Add the asset to Alice's account
saved_alice = saved_alice.add_asset(saved_token.get_id());
saved_alice = set_account(saved_alice);
print(`Added asset ${saved_token.get_name()} to ${saved_alice.get_name()}`);
// Create a new NFT asset
let nft_asset = new_asset()
.name("Herocode #42")
.description("Unique digital collectible")
.amount(1.0)
.address("0xabcdef1234567890abcdef1234567890abcdef12")
.asset_type(ERC721)
.decimals(0);
// Save the NFT to the database
let saved_nft = set_asset(nft_asset);
print(`NFT saved to database with ID: ${saved_nft.get_id()}`);
// Create Bob's account
let bob_account = new_account()
.name("Bob's Account")
.user_id(102)
.description("Bob's trading account")
.ledger("ethereum")
.address("0xfedcba0987654321fedcba0987654321fedcba09")
.pubkey("0x654321fedcba0987654321fedcba0987654321fe");
// Save Bob's account
let saved_bob = set_account(bob_account);
print(`Created and saved Bob's account with ID: ${saved_bob.get_id()}`);
// Create a listing for the NFT
let nft_listing = new_listing()
.seller_id(saved_alice.get_id())
.asset_id(saved_nft.get_id())
.price(0.5)
.currency("ETH")
.listing_type(AUCTION)
.title("Rare Herocode NFT")
.description("One of a kind digital collectible")
.image_url("https://example.com/nft/42.png")
.expires_at(timestamp_now() + 86400) // 24 hours from now
.add_tag("rare")
.add_tag("collectible")
.add_tag("digital art")
.set_listing();
// Save the listing
print(`Created listing: ${nft_listing.get_title()} (ID: ${nft_listing.get_id()})`);
print(`Listing status: ${nft_listing.get_status()}, Type: ${nft_listing.get_listing_type()}`);
print(`Listing price: ${nft_listing.get_price()} ${nft_listing.get_currency()}`);
// Create a bid from Bob
let bob_bid = new_bid()
.listing_id(nft_listing.get_id().to_string())
.bidder_id(saved_bob.get_id())
.amount(1.5)
.currency("ETH")
.set_bid();
// Save the bid
print(`Created bid from ${saved_bob.get_name()} for ${bob_bid.get_amount()} ${bob_bid.get_currency()}`);
// Add the bid to the listing
nft_listing.add_bid(bob_bid);
nft_listing.set_listing();
print(`Added bid to listing ${nft_listing.get_title()}`);
// Create another bid with higher amount
let charlie_account = new_account()
.name("Charlie's Account")
.user_id(103)
.description("Charlie's trading account")
.ledger("ethereum")
.address("0x1122334455667788991122334455667788990011")
.pubkey("0x8877665544332211887766554433221188776655");
let saved_charlie = set_account(charlie_account);
print(`Created and saved Charlie's account with ID: ${saved_charlie.get_id()}`);
let charlie_bid = new_bid()
.listing_id(nft_listing.get_id().to_string())
.bidder_id(saved_charlie.get_id())
.amount(2.5)
.currency("ETH")
.set_bid();
print(`Created higher bid from ${saved_charlie.get_name()} for ${charlie_bid.get_amount()} ${charlie_bid.get_currency()}`);
// Add the higher bid to the listing
nft_listing.add_bid(charlie_bid)
.set_listing();
print(`Added higher bid to listing ${nft_listing.get_title()}`);
nft_listing.sale_price(2.5)
.set_listing();
// Complete the sale to the highest bidder (Charlie)
nft_listing.complete_sale(saved_charlie.get_id())
.set_listing();
print(`Completed sale of ${nft_listing.get_title()} to ${saved_charlie.get_name()}`);
print(`New listing status: ${saved_listing.get_status()}`);
// Retrieve the listing from the database
let retrieved_listing = get_listing_by_id(saved_listing.get_id());
print(`Retrieved listing: ${retrieved_listing.get_title()} (Status: ${retrieved_listing.get_status()})`);
// Create a fixed price listing
let token_listing = new_listing()
.seller_id(saved_alice.get_id())
.asset_id(saved_token.get_id())
.price(100.0)
.currency("USDC")
.listing_type(FIXED_PRICE)
.title("HERO Tokens for Sale")
.description("100 HERO tokens at fixed price")
.set_listing();
// Save the fixed price listing
print(`Created fixed price listing: ${token_listing.get_title()} (ID: ${token_listing.get_id()})`);
// Cancel the listing
token_listing.cancel();
token_listing.set_listing();
print(`Cancelled listing: ${token_listing.get_title()}`);
print(`Listing status: ${token_listing.get_status()}`);
// Print summary of all accounts
print("\nAccount Summary:");
print(`Alice (ID: ${saved_alice.get_id()}): ${saved_alice.get_assets().len()} assets`);
print(`Bob (ID: ${saved_bob.get_id()}): ${saved_bob.get_assets().len()} assets`);
print(`Charlie (ID: ${saved_charlie.get_id()}): ${saved_charlie.get_assets().len()} assets`);
// Print summary of all listings
print("\nListing Summary:");
print(`NFT Auction (ID: ${nft_listing.get_id()}): ${nft_listing.get_status()}`);
print(`Token Sale (ID: ${token_listing.get_id()}): ${token_listing.get_status()}`);
// Print summary of all bids
print("\nBid Summary:");
print(`Bob's bid: ${bob_bid.get_amount()} ${bob_bid.get_currency()} (Status: ${bob_bid.get_status()})`);
print(`Charlie's bid: ${charlie_bid.get_amount()} ${charlie_bid.get_currency()} (Status: ${charlie_bid.get_status()})`);