@nktkas/hyperliquid/esm/api/exchange/_methods/approveBuilderFee.js

Hyperliquid API SDK for all major JS runtimes, written in TypeScript.

import * as v from "valibot";
// ============================================================
// API Schemas
// ============================================================
import { Address, Hex, Percent, UnsignedInteger } from "../../_schemas.js";
/**
 * Approve a maximum fee rate for a builder.
 * @see https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/api/exchange-endpoint#approve-a-builder-fee
 */ export const ApproveBuilderFeeRequest = /* @__PURE__ */ (()=>{
  return v.object({
    /** Action to perform. */ action: v.object({
      /** Type of action. */ type: v.literal("approveBuilderFee"),
      /** Chain ID in hex format for EIP-712 signing. */ signatureChainId: Hex,
      /** Hyperliquid network type. */ hyperliquidChain: v.picklist([
        "Mainnet",
        "Testnet"
      ]),
      /** Max fee rate (e.g., "0.01%"). */ maxFeeRate: Percent,
      /** Builder address. */ builder: Address,
      /** Nonce (timestamp in ms) used to prevent replay attacks. */ nonce: UnsignedInteger
    }),
    /** Nonce (timestamp in ms) used to prevent replay attacks. */ nonce: UnsignedInteger,
    /** ECDSA signature components. */ signature: v.object({
      /** First 32-byte component. */ r: v.pipe(Hex, v.length(66)),
      /** Second 32-byte component. */ s: v.pipe(Hex, v.length(66)),
      /** Recovery identifier. */ v: v.picklist([
        27,
        28
      ])
    })
  });
})();
// ============================================================
// Execution Logic
// ============================================================
import { parse } from "../../../_base.js";
import { canonicalize } from "../../../signing/mod.js";
import { executeUserSignedAction } from "./_base/mod.js";
/** Schema for action fields (excludes request-level system fields). */ const ApproveBuilderFeeActionSchema = /* @__PURE__ */ (()=>{
  return v.omit(v.object(ApproveBuilderFeeRequest.entries.action.entries), [
    "signatureChainId",
    "hyperliquidChain",
    "nonce"
  ]);
})();
/** EIP-712 types for the {@linkcode approveBuilderFee} function. */ export const ApproveBuilderFeeTypes = {
  "HyperliquidTransaction:ApproveBuilderFee": [
    {
      name: "hyperliquidChain",
      type: "string"
    },
    {
      name: "maxFeeRate",
      type: "string"
    },
    {
      name: "builder",
      type: "address"
    },
    {
      name: "nonce",
      type: "uint64"
    }
  ]
};
/**
 * Approve a maximum fee rate for a builder.
 *
 * Signing: User-Signed EIP-712.
 *
 * @param config General configuration for Exchange API requests.
 * @param params Parameters specific to the API request.
 * @param opts Request execution options.
 * @return Successful response without specific data.
 *
 * @throws {ValidationError} When the request parameters fail validation (before sending).
 * @throws {TransportError} When the transport layer throws an error.
 * @throws {ApiRequestError} When the API returns an unsuccessful response.
 *
 * @example
 * ```ts
 * import { HttpTransport } from "@nktkas/hyperliquid";
 * import { approveBuilderFee } from "@nktkas/hyperliquid/api/exchange";
 * import { privateKeyToAccount } from "npm:viem/accounts";
 *
 * const wallet = privateKeyToAccount("0x..."); // viem or ethers
 * const transport = new HttpTransport(); // or `WebSocketTransport`
 *
 * await approveBuilderFee({ transport, wallet }, {
 *   maxFeeRate: "0.01%",
 *   builder: "0x...",
 * });
 * ```
 *
 * @see https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/api/exchange-endpoint#approve-a-builder-fee
 */ export function approveBuilderFee(config, params, opts) {
  const action = canonicalize(ApproveBuilderFeeActionSchema, parse(ApproveBuilderFeeActionSchema, {
    type: "approveBuilderFee",
    ...params
  }));
  return executeUserSignedAction(config, action, ApproveBuilderFeeTypes, opts);
}
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