function _mintGeneration(uint256 gen, bytes32[] memory proof) internal {
  while(nft.generationMintCounts(gen) < 10_000) {
    uint256 price = nft.calculateMintPrice();
    nft.mintToken{ value: price }(proof);
            
    uint256 tokenId = nft._tokenIds();
            
    uint256 entropy = nft.getTokenEntropy(tokenId);
    uint8 potential = uint8((entropy / 10) % 10);
    if (potential == 0) continue;

    if (nft.isForger(tokenId)) {
      nft.approve(address(forging), tokenId);
      forging.listForForging(tokenId, 0.01 ether);
      listedTokenIds.push(tokenId);
    } else if (listedTokenIds.length > mergeTokenIds.length) {
       nft.transferFrom(address(this), merger, tokenId);
       mergeTokenIds.push(tokenId);
    }
  }
}
assertEq(nft.getGeneration(), 1);
uint256 price = nft.calculateMintPrice();
nft.mintToken{ value: price }(proof);
assertEq(nft.getGeneration(), 2);
for (uint256 i = 0; i < mergeTokenIds.length; i++) {
  nft.approve(address(forging), mergeTokenIds[i]);
  forging.forgeWithListed{value: 0.01 ether}(
    listedTokenIds[i],
    mergeTokenIds[i]
  );
}
currentSlotIndex: 544, currentNumberIndex: 10
slotIndexSelectionPoint: 717, numberIndexSelectionPoint: 2
