Wrong amount of ERC1155 token result in loss of funds for buyer

Lines of code Vulnerability details Impact In StandardPolicyERC1155 contract, the amount of ERC1155 token always return 1 instead of amount value in Order struct. The result is when ERC1155 orders is matched, buyers will only receive 1 token even they specify amount 1, which means loss of funds f...

execute does not work for ERC1155 tokens orders where amount > 1

Lines of code Vulnerability details Impact StandardPolicyERC1155 functions canMatchMakerBid and canMatchMakerBid always return amount == 1, regardless of the function arguments. This means that calling execute on an agreed order of ERC1155 token with an amount 1 will always transfer amount == 1 o...

Buyers will lose an amount of their funds for only one ERC115 token

Lines of code Vulnerability details Impact By using StandardPolicyERC1155.sol as a matchingPolicy for the order. The buyer will transfer an amount of funds ETH or WETH for 2 or more tokens, but he will receive only 1 token. Proof of Concept in case the buyer has set Input.Order.amount 1. Let’s sa...