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51function updateSilo(address account) internal {
52    DiamondStorage storage ds = diamondStorage();
53    bytes4 functionSelector = bytes4(keccak256("updateSilo(address)"));
54    address facet = ds.selectorToFacetAndPosition[functionSelector].facetAddress;
55    bytes memory myFunctionCall = abi.encodeWithSelector(functionSelector, account);
56    (bool success,) = address(facet).delegatecall(myFunctionCall);
57    require(success, "Silo: updateSilo failed.");
58}
59
60function updateBip(uint32 bip) internal {
61    DiamondStorage storage ds = diamondStorage();
62    bytes4 functionSelector = bytes4(keccak256("updateBip(uint32)"));
63    address facet = ds.selectorToFacetAndPosition[functionSelector].facetAddress;
64    bytes memory myFunctionCall = abi.encodeWithSelector(functionSelector, bip);
65    (bool success,) = address(facet).delegatecall(myFunctionCall);
66    require(success, "Silo: updateBip failed.");
67}
68
69function stalkFor(uint32 bip) internal returns (uint256 stalk) {
70    DiamondStorage storage ds = diamondStorage();
71    bytes4 functionSelector = bytes4(keccak256("stalkFor(uint32)"));
72    address facet = ds.selectorToFacetAndPosition[functionSelector].facetAddress;
73    bytes memory myFunctionCall = abi.encodeWithSelector(functionSelector, bip);
74    (bool success, bytes memory data) = address(facet).delegatecall(myFunctionCall);
75    require(success, "Governance: stalkFor failed.");
76    assembly { stalk := mload(add(data, add(0x20, 0))) }
77}