estimator

type AddressPreconditions struct {
	Balance *big.Int
	ERC20   map[common.Address]ERC20Preconditions
	ERC721  map[common.Address]ERC721Preconditions
	ERC1155 map[common.Address]ERC1155Preconditions
}

type ERC1155Preconditions struct {
	Balance          map[string]*big.Int
	IsApprovedForAll map[common.Address]bool
}

type ERC20Preconditions struct {
	Balance   *big.Int
	Allowance map[common.Address]*big.Int
}

type ERC721Preconditions struct {
	IsOwner    map[string]bool
	IsApproved map[string]bool
}