Feat/allow minting specific tokens

contracts/ERC721A.sol

@@ -18,6 +18,7 @@ error ApprovalToCurrentOwner();
 error BalanceQueryForZeroAddress();
 error MintToZeroAddress();
 error MintZeroQuantity();
+error MintExistingId();
 error OwnerQueryForNonexistentToken();
 error TransferCallerNotOwnerNorApproved();
 error TransferFromIncorrectOwner();
@@ -88,10 +89,10 @@ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
     // Mapping from owner to operator approvals
     mapping(address => mapping(address => bool)) private _operatorApprovals;
 
-    constructor(string memory name_, string memory symbol_) {
+    constructor(string memory name_, string memory symbol_, uint256 _startId) {
         _name = name_;
         _symbol = symbol_;
-        _currentIndex = _startTokenId();
+        _currentIndex = _startId;
     }
 
     /**
@@ -178,23 +179,21 @@ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
         uint256 curr = tokenId;
 
         unchecked {
-            if (_startTokenId() <= curr && curr < _currentIndex) {
-                TokenOwnership memory ownership = _ownerships[curr];
-                if (!ownership.burned) {
+            TokenOwnership memory ownership = _ownerships[curr];
+            if (!ownership.burned) {
+                if (ownership.addr != address(0)) {
+                    return ownership;
+                }
+                // Invariant:
+                // There will always be an ownership that has an address and is not burned
+                // before an ownership that does not have an address and is not burned.
+                // Hence, curr will not underflow.
+                while (true) {
+                    curr--;
+                    ownership = _ownerships[curr];
                     if (ownership.addr != address(0)) {
                         return ownership;
                     }
-                    // Invariant:
-                    // There will always be an ownership that has an address and is not burned
-                    // before an ownership that does not have an address and is not burned.
-                    // Hence, curr will not underflow.
-                    while (true) {
-                        curr--;
-                        ownership = _ownerships[curr];
-                        if (ownership.addr != address(0)) {
-                            return ownership;
-                        }
-                    }
                 }
             }
         }
@@ -429,6 +428,23 @@ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
         _afterTokenTransfers(address(0), to, startTokenId, quantity);
     }
 
+    function _mintId(address to, uint256 _tokenId) internal {
+        if (to == address(0)) revert MintToZeroAddress();
+        if(_ownerships[_tokenId].addr != address(0)) revert MintExistingId();
+
+        _beforeTokenTransfers(address(0), to, _tokenId, 1);
+
+        _addressData[to].balance++;
+        _addressData[to].numberMinted++;
+
+        _ownerships[_tokenId].addr = to;
+        _ownerships[_tokenId].startTimestamp = uint64(block.timestamp);
+        _ownerships[_tokenId].burned = false;
+
+        _afterTokenTransfers(address(0), to, _tokenId, 1);
+        emit Transfer(address(0), to, _tokenId);
+    }
+
     /**
      * @dev Transfers `tokenId` from `from` to `to`.
      *
@@ -534,7 +550,7 @@ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
 
             // Keep track of who burned the token, and the timestamp of burning.
             TokenOwnership storage currSlot = _ownerships[tokenId];
-            currSlot.addr = from;
+            currSlot.addr = address(0);
             currSlot.startTimestamp = uint64(block.timestamp);
             currSlot.burned = true;
 

package.json

@@ -1,6 +1,6 @@
 {
-  "name": "erc721a",
-  "version": "3.2.0",
+  "name": "@hotcrosscom/erc721a",
+  "version": "3.3.0",
   "description": "ERC721A contract for Solidity",
   "files": [
     "/contracts/**/*.sol",
@@ -35,14 +35,14 @@
     "prettier-plugin-solidity": "^1.0.0-beta.19",
     "solidity-coverage": "^0.7.20"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/chiru-labs/ERC721A.git"
-  },
-  "author": "chiru-labs",
-  "license": "ISC",
+  "repository": "git@github.com:hotcrosscom/ERC721A.git",
+  "license": "MIT",
   "bugs": {
-    "url": "https://github.com/chiru-labs/ERC721A/issues"
+    "url": "https://github.com/hotcrosscom/ERC721A/issues"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://npm.pkg.github.com"
   },
-  "homepage": "https://github.com/chiru-labs/ERC721A#readme"
+  "homepage": "https://github.com/hotcrosscom/ERC721A#readme"
 }