Validate NFT Order

validate a NFT order

EndPoint

POST api/v3/nft/validateOrder

Header

Field	Description	Example
X-API-KEY	ApiKey	"HlkcGxbqBeaF76j4rvPaOasyfPwnkQ6B6DQ6THZWbvrAGxzEdulXQvOKLrRWZLnN"

Request

Query Param	Description	Example
exchange	exchangeAddress in exchange info
accountId	accountId	10110
storageId	storageId of sell tokenId in	2
sellToken	NftTokenAmountInfo, NFT token if sell NFT order else erc20 token like USDT
buyToken	NftTokenAmountInfo, NFT token if buy NFT order else erc20 token like USDT
validUntil	Timestamp for transfer to become invalid, seconds	normally current time + 2 months
maxFeeBips	Maximum order fee that the user can accept, value range (in ten thousandths) 1 ~ 5000	100, means 1%
eddsaSignature	eddsa signature of the eddsa hash
clientOrderId	(Optional) An arbitrary, client-set unique order identifier, max length is 120 bytes	"test"
affiliate	(Optional) An accountID who will receive a share of the fee of this order at the end of monthly distribution. Need contact us to add the accountId in whitelist.	10110

Response

Field	Description	Example
hash	The hash identifier set by the user at the time of submission, can use this hash to get the transfer info	"0x1d923ca7834dc90484fa2eb611f0f0bc7e741bb107007ebea19ba8caeab4f9d3"
status	Whether the order was successfully submitted or not, please note, user may query after a while to get real process status, as most offchain requests are async processed Allowable : ['received', 'processing', 'processed', 'failed']	"received"
isIdempotent	Idempotent of submit transfer response, submit same transfer again idempotent will be true	false

Model

NftTokenAmountInfo

Wrapper object used to describe a token associated with a certain quantity.

Field	Description	Example
tokenId	The Loopring's NFT token identifier.	32769
amount	The amount of the NFT token	"2"
nftData	The Loopring's NFT token data identifier which is a hash string of NFT token address and NFT_ID	"0xf7c932351186c3a9053f313eefa16209c018f7f1dba8aa 8ca7100400f7c31085"

Compute eddsa hash

const inputs = [
    new BN(ethUtil.toBuffer(request.exchange)).toString(),
    request.storageId,
    request.accountId,
    request.sellToken.tokenId,
    request.buyToken.tokenId,
    request.sellToken.volume,
    request.buyToken.volume,
    request.validUntil,
    request.maxFeeBips,
    request.fillAmountBOrS ? 1 : 0,
    new BN(ethUtil.toBuffer(request.taker)).toString(),
  ];
  const hasher = Poseidon.createHash(12, 6, 53);
  const hash = hasher(inputs).toString(10)