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server/web3sign/controllers/activate.js

@@ -0,0 +1,108 @@
+const ethUtil = require('ethereumjs-util');
+const sigUtil = require('@metamask/eth-sig-util');
+
+const app = require('j7/app');
+const utils = require('j7/utils');
+const bcutils = require('j7/bcutils');
+const bc = require('../blockchain');
+const metaFactory = require('../metadata/factory');
+
+async function activate721Nft(session) {
+  try {
+    const accountId = session.request('account_id');
+    const account = session.request('account');
+    const sessionId = session.request('session_id');
+    const tokenId = session.request('token_id');
+    const tokenType = session.request('token_type');
+    const itemUniId = session.request('item_uniid');
+    const itemId = session.request('item_id');
+
+    const nftAddress = bc.getNftAddress(tokenType);
+    const userAddress = metaFactory.getUserAddress();
+
+    {
+      const itemMeta = metaFactory.getMetaByKey('Item', itemId);
+      if (!itemMeta) {
+        session.rspErr(101, 'item_id param error');
+        return;
+      }
+      if (itemMeta.getNftType() != tokenType) {
+        session.rspErr(101, 'item_id param error');
+        return;
+      }
+      if (!(itemMeta.getNftType() == bcutils.HERO_TYPE ||
+            itemMeta.getNftType() == bcutils.EQUIP_TYPE ||
+            itemMeta.getNftType() == bcutils.CHIP_TYPE)) {
+        session.rspErr(101, 'token_type param error');
+        return;
+      }
+    }
+    {
+      if (!nftAddress) {
+        session.rspErr(101, 'token_type param error');
+        return;
+      }
+    }
+
+    const transModel = session.createModel('Transaction');
+    const {err, seqId} = await transModel.add(account, session.requestToJson());
+    if (err) {
+      session.rspErr(500, 'server internal error');
+      return;
+    }
+
+    const nowTime = utils.getUtcTime();
+    const transId = bcutils.genTransId
+    (
+      bcutils.BC_TRANS_FUNC_ACTIVATE,
+      nowTime,
+      seqId,
+      [
+        itemUniId,
+        itemId
+      ]
+    );
+    await transModel.update
+    (
+      seqId,
+      [
+        ['trans_id', transId]
+      ]);
+    const nonce = transId;
+    const tokenIds = [tokenId];
+    utils.arrayToStrings(tokenIds);
+    let signStr = await bc.web3.utils.soliditySha3
+    (
+      account,
+      nftAddress,
+      nowTime,
+      nonce,
+      ...tokenIds
+    );
+    let signature = await bc.web3.eth.sign(signStr, userAddress);
+    signature = signature.replace(/00$/, "1b").replace(/01$/, "1c");
+
+    const rspParams = [
+      nftAddress,
+      utils.jsonEncode(tokenIds),
+      nowTime,
+      nonce,
+      signature
+    ];
+    utils.arrayToStrings(rspParams);
+
+    session.rspData({
+      'trans_id' : transId,
+      'params': rspParams
+    });
+  } catch (e) {
+    session.rspErr(1, 1);
+    console.log(e);
+  }
+}
+
+function init() {
+  app.registerHandler('BcService', 'activate721Nft', activate721Nft);
+}
+
+exports.init = init;