safe-apps-sdk/src/types/permissions.ts

SDK developed to integrate third-party apps with Safe app.

export type Permission = {
  parentCapability: string;
  invoker: string;
  date?: number;
  caveats?: PermissionCaveat[];
};

export type PermissionRequest = {
  [method: string]: Record<string, unknown>;
};

export type PermissionCaveat = {
  type: string;
  value?: unknown;
  name?: string;
};

export const PERMISSIONS_REQUEST_REJECTED = 4001;

export class PermissionsError extends Error {
  public code: number;
  public data?: unknown;

  constructor(message: string, code: number, data?: unknown) {
    super(message);

    this.code = code;
    this.data = data;

    // Should adjust prototype manually because how TS handles the type extension compilation
    // https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#extending-built-ins-like-error-array-and-map-may-no-longer-work
    Object.setPrototypeOf(this, PermissionsError.prototype);
  }
}