Trade NFT

Definition: This method is help for understand how to match a maker with a taker order

tradeNFT

Private or third account can signature and approve this order

mock order

// Step 1. getAccount
const accInfoC = (
  await LoopringAPI.exchangeAPI.getAccount({
    owner: LOOPRING_EXPORTED_ACCOUNT.address,
  })
).accInfo;

// Step 1. eddsaKeyC
const eddsaKeyC = await signatureKeyPairMock(accInfoC);

// Step 3. apiKey
const apiKeyC = (
  await LoopringAPI.userAPI.getUserApiKey(
    {
      accountId: accInfoC.accountId,
    },
    eddsaKeyC.sk
  )
).apiKey;
//  NFT Trade
const response = await LoopringAPI.userAPI.submitNFTTrade({
  request: {
    maker: {
      ...mockData.makerOrder,
      eddsaSignature: mockData.makerOrderEddsaSignature,
    },
    makerFeeBips: 1000,
    taker: {
      ...mockData.takerOrder,
      eddsaSignature: mockData.takerOrderEddsaSignature,
    },
    takerFeeBips: 100,
  },
  web3,
  chainId: sdk.ChainId.GOERLI,
  walletType: sdk.ConnectorNames.Unknown,
  apiKey: apiKeyC,
  eddsaKey: eddsaKeyC.sk,
});

console.log(response);

MockOrder

Validate NFT Order please reader @Validate NFT Order

// Step 1. getAccount
const accInfo = (
  await LoopringAPI.exchangeAPI.getAccount({
    owner: LOOPRING_EXPORTED_ACCOUNT.address,
  })
).accInfo;
const accInfo2 = (
  await LoopringAPI.exchangeAPI.getAccount({
    owner: LOOPRING_EXPORTED_ACCOUNT.address2,
  })
).accInfo;
// Step 2. eddsaKey
const eddsaKey = await signatureKeyPairMock(accInfo);
const eddsaKey2 = await signatureKeyPairMock(accInfo2, web3_2);
// Step 3. apiKey
const apiKey = (
  await LoopringAPI.userAPI.getUserApiKey(
    {
      accountId: accInfo.accountId,
    },
    eddsaKey.sk
  )
).apiKey;
const apiKey2 = (
  await LoopringAPI.userAPI.getUserApiKey(
    {
      accountId: accInfo2.accountId,
    },
    eddsaKey2.sk
  )
).apiKey;

// Step 4. storageId
const storageId = await LoopringAPI.userAPI.getNextStorageId(
  {
    accountId: accInfo.accountId,
    sellTokenId: LOOPRING_EXPORTED_ACCOUNT.nftTokenId,
  },
  apiKey
);
const storageId2 = await LoopringAPI.userAPI.getNextStorageId(
  {
    accountId: accInfo2.accountId,
    sellTokenId: TOKEN_INFO.tokenMap["LRC"].tokenId,
  },
  apiKey2
);
// Step 5. generate Order, please read validateNFTOrder
const makerOrder: sdk.NFTOrderRequestV3 = {
  exchange: LOOPRING_EXPORTED_ACCOUNT.exchangeAddress,
  accountId: accInfo.accountId,
  storageId: storageId.orderId,
  sellToken: {
    tokenId: LOOPRING_EXPORTED_ACCOUNT.nftTokenId,
    nftData: LOOPRING_EXPORTED_ACCOUNT.nftData,
    amount: "1",
  },
  buyToken: {
    tokenId: TOKEN_INFO.tokenMap["LRC"].tokenId,
    amount: LOOPRING_EXPORTED_ACCOUNT.tradeLRCValue.toString(),
  },
  allOrNone: false,
  fillAmountBOrS: false,
  validUntil: LOOPRING_EXPORTED_ACCOUNT.validUntil,
  maxFeeBips: 1000,
};
const makerOrderEddsaSignature = sdk.get_EddsaSig_NFT_Order(
  makerOrder,
  eddsaKey.sk
);

const takerOrder: sdk.NFTOrderRequestV3 = {
  exchange: LOOPRING_EXPORTED_ACCOUNT.exchangeAddress,
  accountId: accInfo2.accountId,
  storageId: storageId2.orderId,
  sellToken: {
    tokenId: TOKEN_INFO.tokenMap["LRC"].tokenId,
    amount: LOOPRING_EXPORTED_ACCOUNT.tradeLRCValue.toString(),
  },
  buyToken: {
    tokenId: LOOPRING_EXPORTED_ACCOUNT.nftTokenId,
    nftData: LOOPRING_EXPORTED_ACCOUNT.nftData,
    amount: "1",
  },
  allOrNone: false,
  fillAmountBOrS: true,
  validUntil: LOOPRING_EXPORTED_ACCOUNT.validUntil,
  maxFeeBips: 100,
};
const takerOrderEddsaSignature = sdk.get_EddsaSig_NFT_Order(
  takerOrder,
  eddsaKey2.sk
);

mockData = {
  takerOrder,
  takerOrderEddsaSignature,
  makerOrder,
  makerOrderEddsaSignature,
  makerFeeBips: 1000,
  maxFeeBips: 100,
};