Economic — Market Rates & the 777 Floor
Evidence scope: The behavior below is from the pinned Solidity source. A source-file hash does not establish deployed bytecode equivalence. Check the selected deployment and caller before sending a transaction.
YUE.Hong and Hung call IsValidAsset and GetAssetRate for the supplied pair. GetAssetRate walks QING/Asset links, reads internal rates and applies the source’s integer arithmetic. Missing methods, zero rates, empty inventories and checked arithmetic can prevent a trade. An internal rate is not an external market price.
The play
Section titled “The play”For Hong, the cost is PurchaseAmount * Rate / 10^YUE.decimals(): payment comes from msg.sender and the bought token comes from the selected YUE’s inventory. Hung takes RedeemAmount of the sale token from msg.sender and pays RedeemAmount * Rate / 10^YUE.decimals() from the YUE. Approve the selected YUE for the exact spending token and simulate before sending.
These public methods do not require YUE ownership or the CHAN opt-in used by withdrawal routes. They do not generically swap balances already inside your YUE. The same YUE-decimal denominator does not prove that arbitrary token decimal combinations are economically normalized.
Use these calls here. Simulations preview the current state; each confirmed call is a separate transaction.
YUE.GetAssetRate(address GwatAsset, address Integrative)Read
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YUE.IsValidAsset(address GwatAsset, address Integrative)Read
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YUE.Hong(address SpendAsset, address QingAsset, uint256 PurchaseAmount)Simulate / call
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YUE.Hung(address QingAsset, address ReceiveAsset, uint256 RedeemAmount)Simulate / call
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