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62function _approveOmnichainDataManagers(DataPoint dp, OmnichainAddress[] calldata dms, bool approved, address payable refundAddress) internal virtual {
63    (uint32 dpChainId, , ) = DataPoints.decode(dp);
64    ChainidTools.requireCurrentChain(dpChainId);
65    _verifyLocalSenderIsDPAdmin(dp, msg.sender);
66
67    OmnichainProxy proxy = OmnichainSupportStorage.layout().proxy();
68    if (address(proxy) == address(0)) revert ZeroProxyAddress();
69    OmnichainAddress sender = OmnichainAddresses.encode(msg.sender);
70    // Estimate fee
71    (uint256 estimatedTotalFee, uint256[] memory estimatedFees) = _estimateApproveOmnichainDataManagers(proxy, dp, dms, approved, sender);
72
73    // Verify we have enough funds
74    if (msg.value < estimatedTotalFee) {
75        revert NotEnoughFunds(msg.value, estimatedTotalFee);
76    }
77    // Send approvals
78    for (uint256 i; i < dms.length; i++) {
79        OmnichainAddress dm = dms[i];
80        if (estimatedFees[i] == 0) {
81            _approveLocal(dp, dm, approved, sender);
82        } else {
83            proxy.queryApproveDataManager{value: estimatedFees[i]}(dp, dm, approved, sender, REMOTE_APPROVE_DATAMANAGER_GAS_LIMIT, refundAddress);
84        }
85    }
86    // Send refund
87    if (msg.value > estimatedTotalFee) {
88        unchecked {
89            Address.sendValue(refundAddress, msg.value - estimatedTotalFee);
90        }
91    }
92}