spacylabs-rhino/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
}