Self + Self

Documentation Index

Fetch the complete documentation index at: https://docs.ostium.com/llms.txt

Use this file to discover all available pages before exploring further.

• the trader EOA owns USDC and positions
• the same trader EOA signs transactions
• transactions are submitted directly on Arbitrum and the trader pays gas

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When to use it

• bots and scripts
• server-side systems trading a house account
• wallet-driven apps where the user is comfortable paying gas
• client-side apps that only need unsigned EOA transaction payloads

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Submit-capable client

const client = await OstiumClient.createSelfAndSelf({
  traderPrivateKey: process.env.TRADER_PRIVATE_KEY as `0x${string}`,
  rpcUrl: process.env.ARB_RPC_URL!,
});

​

Build-only client

const client = await OstiumClient.createSelfAndSelf({
  traderAddress: '0xTraderAddress',
});

const tx = client.getOpenTradeTx({
  pairId: 0,
  buy: true,
  price: '65000',
  collateral: '100',
  leverage: '5',
  type: OrderType.Market,
});