// depositAsset()
uint256 totalAmount = _tokenBalanceOf(asset);
if (share == 0) {
	// value of the share may be lower than the amount due to rounding, that's ok
	share = amount._toShares(totalSupply[assetId], totalAmount, false);
} else {
	// amount may be lower than the value of share due to rounding, in that case, add 1 to amount (Always round up)
	amount = share._toAmount(totalSupply[assetId], totalAmount, true);
}

_mint(to, assetId, share);
function _tokenBalanceOf(Asset storage asset) internal view returns (uint256 amount) {
	return asset.strategy.currentBalance();
}
function _currentBalance() internal view override returns (uint256 amount) {
	// This _should_ included both free and "reserved" GLP:
	amount = IERC20(contractAddress).balanceOf(address(this));
}
