@rhino.fi/client-js/src/api/amm/schemas.js

const { Joi } = require('@rhino.fi/dvf-utils')

const unsignedInt = Joi.number().integer().min(0)
const maxTimestampHours = Math.pow(2, 22) * 1000 * 60 * 60 - 1

// NOTE: this schema should be shared between backend and client.
const starkOrderSchema = Joi
  .object({
    vaultIdSell: unsignedInt,
    vaultIdBuy: unsignedInt,
    amountSell: Joi.string(),
    amountBuy: Joi.string(),
    tokenSell: Joi.string(),
    tokenBuy: Joi.string(),
    // If not provided, random nonce will be generated for each order.
    nonce: unsignedInt.optional(),
    // If not provided, expirationTimestamp will be set based on
    // dvf.config.defaultStarkExpiry.
    expirationTimestamp: unsignedInt.max(maxTimestampHours).optional(),
    signature: Joi.object().optional().keys({
      r: Joi.string(),
      s: Joi.string(),
    }),
    // If orders are pre-signed, nonce and expirationTimestamp needs to be present.
  })
  .with('signature', ['nonce', 'expirationTimestamp'])

const fundOrderDataSchema = Joi
  .object({
    pool: Joi.string(),
    starkPublicKey: Joi
      .object({
        x: Joi.string(),
        y: Joi.string(),
      })
      .optional(),
    orders: Joi
      .array()
      .items(Joi.object({
        starkOrder: starkOrderSchema,
      }))
      .length(2),
  })
  .and(
    // If any of these are present then all are required.
    'starkPublicKey',
    'orders.0.starkOrder.signature',
    'orders.1.starkOrder.signature',
  )

module.exports = {
  fundOrderDataSchema,
  starkOrderSchema,
}