Merge pull request #11 from XP-NETWORK/fix/secret-token-id-conversion

fix(secret): convert secret nft token id after lock event

src/factory/factory.ts

@@ -15,7 +15,11 @@ import { nearHandler } from "../handlers/near";
 import { secretHandler } from "../handlers/secret";
 import { tezosHandler } from "../handlers/tezos";
 import { raise, tonHandler } from "../handlers/ton";
-import { fetchHttpOrIpfs } from "../handlers/utils";
+import {
+  convertNumbToHexToString,
+  convertStringToHexToNumb,
+  fetchHttpOrIpfs,
+} from "../handlers/utils";
 import { TChainParams } from "./config";
 
 export namespace Chain {
@@ -152,12 +156,21 @@ export function ChainFactory(cp: Partial<TChainParams>): TChainFactory {
           .toUpperCase()
           .substring(0, 8);
       }
+      let convertedTokenId = data.tokenId;
+      if (data.sourceChain === "SECRET") {
+        if (chain.identifier === "SECRET") {
+          convertedTokenId = convertStringToHexToNumb(data.tokenId);
+        } else if (data.destinationChain === "SECRET") {
+          convertedTokenId = convertNumbToHexToString(data.tokenId);
+        }
+      }
       const metadata = ogNftData.metadata || data.metaDataUri;
       const imgUri = (await fetchHttpOrIpfs(metadata)).image;
       return {
         ...data,
         ...ogNftData,
         metadata,
+        tokenId: convertedTokenId,
         royalty: ogNftData.royalty.toString(),
         royaltyReceiver: royaltyReceiver,
         fee: fee.toString(),

src/handlers/utils/index.ts

@@ -1,4 +1,13 @@
 import { fetchHttpOrIpfs } from "./fetchHttpOrIpfs";
 import retryFn from "./retryFn";
+import {
+  convertNumbToHexToString,
+  convertStringToHexToNumb,
+} from "./tokenIdConversion";
 
-export { retryFn, fetchHttpOrIpfs };
+export {
+  retryFn,
+  fetchHttpOrIpfs,
+  convertNumbToHexToString,
+  convertStringToHexToNumb,
+};

src/handlers/utils/tokenIdConversion.ts

@@ -0,0 +1,15 @@
+export function convertStringToHexToNumb(str: string) {
+  const hex = Array.from(str)
+    .map((char) => char.charCodeAt(0).toString(16).padStart(2, "0"))
+    .join("");
+  const numb = BigInt(`0x${hex}`);
+  return numb.toString();
+}
+export function convertNumbToHexToString(num: string) {
+  const numberToBigInt = BigInt(num);
+  const hex = numberToBigInt.toString(16) as string;
+  const string = (hex.match(/.{1,2}/g) || [])
+    .map((byte) => String.fromCharCode(parseInt(byte, 16)))
+    .join("");
+  return string;
+}