add engine and rpc client, archive old code
This commit is contained in:
timurgordon
68
engine/examples/finance/example.rs
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68
engine/examples/finance/example.rs
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use std::sync::Arc;
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use std::path::Path;
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use rhai::{Engine, Scope};
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use heromodels::models::finance::account::Account;
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use heromodels::models::finance::asset::{Asset, AssetType};
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use heromodels::models::finance::marketplace::{Listing, Bid, ListingStatus, ListingType, BidStatus};
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use engine::{create_heromodels_engine, eval_file};
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use engine::mock_db::{create_mock_db, seed_mock_db};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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println!("Finance Rhai Example");
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println!("===================");
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// Create a mock database
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let db = create_mock_db();
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// Seed the database with some initial data
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seed_mock_db(db.clone());
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// Create the Rhai engine using our central engine creator
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let mut engine = create_heromodels_engine(db.clone());
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// Register timestamp helper functions
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register_timestamp_helpers(&mut engine);
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// Get the path to the script
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let script_path = Path::new(file!())
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.parent()
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.unwrap()
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.join("finance_script.rhai");
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println!("\nRunning script: {}", script_path.display());
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println!("---------------------");
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// Run the script
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match eval_file(&engine, &script_path.to_string_lossy()) {
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Ok(result) => {
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if !result.is_unit() {
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println!("\nScript returned: {:?}", result);
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}
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println!("\nScript executed successfully!");
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Ok(())
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},
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Err(err) => {
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eprintln!("\nError running script: {}", err);
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Err(Box::new(std::io::Error::new(std::io::ErrorKind::Other, err.to_string())))
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}
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}
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}
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// Register timestamp helper functions with the engine
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fn register_timestamp_helpers(engine: &mut Engine) {
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use chrono::{DateTime, Utc, TimeZone, NaiveDateTime};
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// Function to get current timestamp
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engine.register_fn("timestamp_now", || {
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Utc::now().timestamp() as i64
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});
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// Function to format a timestamp
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engine.register_fn("format_timestamp", |ts: i64| {
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let dt = Utc.timestamp_opt(ts, 0).single()
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.expect("Invalid timestamp");
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dt.format("%Y-%m-%d %H:%M:%S UTC").to_string()
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});
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println!("Timestamp helper functions registered successfully.");
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}
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202
engine/examples/finance/finance_script.rhai
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202
engine/examples/finance/finance_script.rhai
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// finance_script.rhai
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// Example Rhai script for working with Finance models
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// Constants for AssetType
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const NATIVE = "Native";
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const ERC20 = "Erc20";
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const ERC721 = "Erc721";
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const ERC1155 = "Erc1155";
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// Constants for ListingStatus
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const ACTIVE = "Active";
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const SOLD = "Sold";
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const CANCELLED = "Cancelled";
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const EXPIRED = "Expired";
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// Constants for ListingType
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const FIXED_PRICE = "FixedPrice";
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const AUCTION = "Auction";
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const EXCHANGE = "Exchange";
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// Constants for BidStatus
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const BID_ACTIVE = "Active";
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const BID_ACCEPTED = "Accepted";
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const BID_REJECTED = "Rejected";
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const BID_CANCELLED = "Cancelled";
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// Create a new account using builder pattern
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let alice_account = new_account()
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.name("Alice's Account")
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.user_id(101)
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.description("Alice's primary trading account")
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.ledger("ethereum")
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.address("0x1234567890abcdef1234567890abcdef12345678")
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.pubkey("0xabcdef1234567890abcdef1234567890abcdef12");
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print(`Created account: ${alice_account.get_name()} (User ID: ${alice_account.get_user_id()})`);
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// Save the account to the database
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let saved_alice = set_account(alice_account);
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print(`Account saved to database with ID: ${saved_alice.get_id()}`);
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// Create a new asset using builder pattern
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let token_asset = new_asset()
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.name("HERO Token")
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.description("Herocode governance token")
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.amount(1000.0)
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.address("0x9876543210abcdef9876543210abcdef98765432")
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.asset_type(ERC20)
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.decimals(18);
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print(`Created asset: ${token_asset.get_name()} (${token_asset.get_amount()} ${token_asset.get_asset_type()})`);
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// Save the asset to the database
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let saved_token = set_asset(token_asset);
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print(`Asset saved to database with ID: ${saved_token.get_id()}`);
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// Add the asset to Alice's account
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saved_alice = saved_alice.add_asset(saved_token.get_id());
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saved_alice = set_account(saved_alice);
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print(`Added asset ${saved_token.get_name()} to ${saved_alice.get_name()}`);
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// Create a new NFT asset
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let nft_asset = new_asset()
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.name("Herocode #42")
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.description("Unique digital collectible")
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.amount(1.0)
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.address("0xabcdef1234567890abcdef1234567890abcdef12")
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.asset_type(ERC721)
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.decimals(0);
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// Save the NFT to the database
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let saved_nft = set_asset(nft_asset);
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print(`NFT saved to database with ID: ${saved_nft.get_id()}`);
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// Create Bob's account
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let bob_account = new_account()
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.name("Bob's Account")
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.user_id(102)
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.description("Bob's trading account")
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.ledger("ethereum")
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.address("0xfedcba0987654321fedcba0987654321fedcba09")
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.pubkey("0x654321fedcba0987654321fedcba0987654321fe");
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// Save Bob's account
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let saved_bob = set_account(bob_account);
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print(`Created and saved Bob's account with ID: ${saved_bob.get_id()}`);
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// Create a listing for the NFT
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let nft_listing = new_listing()
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.seller_id(saved_alice.get_id())
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.asset_id(saved_nft.get_id())
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.price(0.5)
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.currency("ETH")
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.listing_type(AUCTION)
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.title("Rare Herocode NFT")
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.description("One of a kind digital collectible")
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.image_url("https://example.com/nft/42.png")
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.expires_at(timestamp_now() + 86400) // 24 hours from now
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.add_tag("rare")
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.add_tag("collectible")
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.add_tag("digital art")
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.set_listing();
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// Save the listing
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print(`Created listing: ${nft_listing.get_title()} (ID: ${nft_listing.get_id()})`);
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print(`Listing status: ${nft_listing.get_status()}, Type: ${nft_listing.get_listing_type()}`);
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print(`Listing price: ${nft_listing.get_price()} ${nft_listing.get_currency()}`);
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// Create a bid from Bob
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let bob_bid = new_bid()
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.listing_id(nft_listing.get_id().to_string())
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.bidder_id(saved_bob.get_id())
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.amount(1.5)
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.currency("ETH")
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.set_bid();
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// Save the bid
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print(`Created bid from ${saved_bob.get_name()} for ${bob_bid.get_amount()} ${bob_bid.get_currency()}`);
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// Add the bid to the listing
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nft_listing.add_bid(bob_bid);
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nft_listing.set_listing();
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print(`Added bid to listing ${nft_listing.get_title()}`);
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// Create another bid with higher amount
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let charlie_account = new_account()
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.name("Charlie's Account")
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.user_id(103)
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.description("Charlie's trading account")
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.ledger("ethereum")
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.address("0x1122334455667788991122334455667788990011")
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.pubkey("0x8877665544332211887766554433221188776655");
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let saved_charlie = set_account(charlie_account);
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print(`Created and saved Charlie's account with ID: ${saved_charlie.get_id()}`);
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let charlie_bid = new_bid()
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.listing_id(nft_listing.get_id().to_string())
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.bidder_id(saved_charlie.get_id())
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.amount(2.5)
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.currency("ETH")
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.set_bid();
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print(`Created higher bid from ${saved_charlie.get_name()} for ${charlie_bid.get_amount()} ${charlie_bid.get_currency()}`);
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// Add the higher bid to the listing
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nft_listing.add_bid(charlie_bid)
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.set_listing();
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print(`Added higher bid to listing ${nft_listing.get_title()}`);
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nft_listing.sale_price(2.5)
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.set_listing();
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// Complete the sale to the highest bidder (Charlie)
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nft_listing.complete_sale(saved_charlie.get_id())
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.set_listing();
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print(`Completed sale of ${nft_listing.get_title()} to ${saved_charlie.get_name()}`);
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print(`New listing status: ${saved_listing.get_status()}`);
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// Retrieve the listing from the database
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let retrieved_listing = get_listing_by_id(saved_listing.get_id());
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print(`Retrieved listing: ${retrieved_listing.get_title()} (Status: ${retrieved_listing.get_status()})`);
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// Create a fixed price listing
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let token_listing = new_listing()
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.seller_id(saved_alice.get_id())
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.asset_id(saved_token.get_id())
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.price(100.0)
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.currency("USDC")
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.listing_type(FIXED_PRICE)
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.title("HERO Tokens for Sale")
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.description("100 HERO tokens at fixed price")
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.set_listing();
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// Save the fixed price listing
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print(`Created fixed price listing: ${token_listing.get_title()} (ID: ${token_listing.get_id()})`);
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// Cancel the listing
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token_listing.cancel();
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token_listing.set_listing();
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print(`Cancelled listing: ${token_listing.get_title()}`);
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print(`Listing status: ${token_listing.get_status()}`);
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// Print summary of all accounts
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print("\nAccount Summary:");
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print(`Alice (ID: ${saved_alice.get_id()}): ${saved_alice.get_assets().len()} assets`);
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print(`Bob (ID: ${saved_bob.get_id()}): ${saved_bob.get_assets().len()} assets`);
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print(`Charlie (ID: ${saved_charlie.get_id()}): ${saved_charlie.get_assets().len()} assets`);
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// Print summary of all listings
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print("\nListing Summary:");
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print(`NFT Auction (ID: ${nft_listing.get_id()}): ${nft_listing.get_status()}`);
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print(`Token Sale (ID: ${token_listing.get_id()}): ${token_listing.get_status()}`);
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// Print summary of all bids
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print("\nBid Summary:");
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print(`Bob's bid: ${bob_bid.get_amount()} ${bob_bid.get_currency()} (Status: ${bob_bid.get_status()})`);
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print(`Charlie's bid: ${charlie_bid.get_amount()} ${charlie_bid.get_currency()} (Status: ${charlie_bid.get_status()})`);
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