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Add getOrCreateOpenOrders function #187

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Add getOrCreateOpenOrders function #187

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10 changes: 10 additions & 0 deletions ts/client/src/client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -329,6 +329,16 @@ export class OpenBookV2Client {
return await this.sendAndConfirmTransaction([ix]);
}

public async getOrCreateOpenOrders(market: PublicKey, accountIndex: BN, name: string): Promise<PublicKey> {
const openOrders = this.findOpenOrders(market, accountIndex);

if ((await this.connection.getAccountInfo(openOrders)) != null) {
return openOrders;
}

return await this.createOpenOrders(market, accountIndex, name);
}

public findOpenOrders(market: PublicKey, accountIndex: BN): PublicKey {
const [openOrders] = PublicKey.findProgramAddressSync(
[
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