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@project-serum/serum
Advanced tools
Readme
JavaScript client library for interacting with the Project Serum DEX.
Using npm:
npm install @solana/web3.js @project-serum/serum
Using yarn:
yarn add @solana/web3.js @project-serum/serum
import { Account, Connection, PublicKey } from '@solana/web3.js';
import { Market } from '@project-serum/serum';
let connection = new Connection('https://testnet.solana.com');
let marketAddress = new PublicKey('...');
let market = await Market.load(connection, marketAddress);
// Fetching orderbooks
let bids = await market.loadBids(connection);
let asks = await market.loadAsks(connection);
// L2 orderbook data
for (let [price, size] of bids.getL2(20)) {
console.log(price, size);
}
// Full orderbook data
for (let order of asks) {
console.log(
order.orderId,
order.owner.toBase58(),
order.price,
order.size,
order.side, // 'buy' or 'sell'
);
}
// Placing orders
let owner = new Account('...');
let payer = new PublicKey('...'); // spl-token account
await market.placeOrder(connection, {
owner,
payer,
side: 'buy', // 'buy' or 'sell'
price: 123.45,
size: 17.0,
orderType: 'limit', // 'limit', 'ioc', 'postOnly'
});
// Retrieving open orders by owner
let myOrders = await market.loadOrdersForOwner(connection, owner.publicKey);
// Cancelling orders
for (let order of myOrders) {
await market.cancelOrder(connection, owner, order);
}
// Retrieving fills
for (let fill of await market.loadFills(connection)) {
console.log(
fill.orderId,
fill.owner.toBase58(),
fill.price,
fill.size,
fill.side,
);
}
FAQs
Unknown package
We found that @project-serum/serum demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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