Swift (off-chain signed orders)

// `orderParams` is a normal Drift `OrderParams` object.
const slot = await driftClient.connection.getSlot();
 
const orderMessage = {
  signedMsgOrderParams: orderParams,
  subAccountId: driftClient.activeSubAccountId,
  slot,
  uuid: "<UUID>",
  stopLossOrderParams: null,
  takeProfitOrderParams: null,
};
 
const { orderParams: message, signature } =
  driftClient.signSignedMsgOrderParamsMessage(orderMessage);

const swiftUrl = "https://swift.drift.trade/orders";
 
const response = await fetch(swiftUrl, {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    market_index: orderParams.marketIndex,
    market_type: "perp",
    message: message.toString("hex"),
    signature: signature.toString("hex"),
    taker_authority: driftClient.wallet.publicKey.toBase58(),
  }),
});
 
if (!response.ok) {
  const errorText = await response.text();
  throw new Error("Swift error: " + response.status + " " + errorText);
}

import { getSignedMsgUserAccountPublicKey } from "@drift-labs/sdk";
 
const pda = getSignedMsgUserAccountPublicKey(driftClient.program.programId, authority);

const [txSig, signedMsgUserAccount] =
  await driftClient.initializeSignedMsgUserOrders(authority, 8);

const signedMessage = driftClient.decodeSignedMsgOrderParamsMessage(
  Buffer.from(orderMessageHex, "hex"),
  isDelegateSigner
);

const ixs = await driftClient.getPlaceSignedMsgTakerPerpOrderIxs(
  { orderParams: orderMessageHex, signature },
  marketIndex,
  takerInfo
);

const ixs = await driftClient.getPlaceAndMakeSignedMsgPerpOrderIxs(
  signedMsgOrderParams,
  signedMsgOrderUuid,
  takerInfo,
  makerOrderParams
);

import { generateSignedMsgUuid } from "@drift-labs/sdk";
 
const uuid = generateSignedMsgUuid();

import { digestSignature } from "@drift-labs/sdk";
 
const hash = digestSignature(Uint8Array.from(signature));

import { getUserStatsAccountPublicKey } from "@drift-labs/sdk";
 
const userStats = getUserStatsAccountPublicKey(
  driftClient.program.programId,
  authority
);