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tests: add close-time checks to scenario2 #154

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tests: add close-time checks to scenario2 #154

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36 changes: 35 additions & 1 deletion cadence/tests/rebalance_scenario2_test.cdc
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Original file line number Diff line number Diff line change
Expand Up @@ -277,8 +277,43 @@ fun test_RebalanceYieldVaultScenario2() {
)
}

let positionDetailsBeforeClose = getPositionDetails(pid: pid, beFailed: false)
let yieldTokenSupplyBeforeClose = YieldToken.totalSupply

closeYieldVault(signer: user, id: yieldVaultIDs![0], beFailed: false)

// Assert AutoBalancer cleanup didn't burn non-zero YieldToken on close.
Test.assert(
YieldToken.totalSupply == yieldTokenSupplyBeforeClose,
message: "Expected YieldToken.totalSupply unchanged on close, but changed from \(yieldTokenSupplyBeforeClose) to \(YieldToken.totalSupply)"
)

// Log relative diff per balance after close: 100 * (pre - post) / pre
let positionDetailsAfterClose = getPositionDetails(pid: pid, beFailed: false)
for balance in positionDetailsAfterClose.balances {
var preCloseBalance: UFix64 = 0.0
for pre in positionDetailsBeforeClose.balances {
// Use the largest pre-close balance for the same token type as a denominator. This is more robust than
// matching on direction, since residuals after close can flip direction due to rounding.
if pre.vaultType == balance.vaultType && pre.balance > preCloseBalance {
preCloseBalance = pre.balance
}
}

if preCloseBalance > 0.0 {
let pre128 = UFix128(preCloseBalance)
let post128 = UFix128(balance.balance)
let deltaSign = post128 <= pre128 ? "+" : "-"
let deltaRatio: UFix128 = post128 <= pre128
? (pre128 - post128) / pre128
: (post128 - pre128) / pre128
let deltaPercent: UFix128 = deltaRatio * (100.0 as UFix128)
log("[TEST] Post-close relative diff: pre \(preCloseBalance) -> post \(balance.balance) for \(balance.vaultType.identifier) direction=\(balance.direction.rawValue) (\(deltaSign)\(deltaPercent)%)")
} else {
log("[TEST] Post-close relative diff: pre \(preCloseBalance) -> post \(balance.balance) for \(balance.vaultType.identifier) direction=\(balance.direction.rawValue)")
}
}

let flowBalanceAfter = getBalance(address: user.address, vaultPublicPath: /public/flowTokenReceiver)!
log("[TEST] flow balance after \(flowBalanceAfter)")

Expand All @@ -287,4 +322,3 @@ fun test_RebalanceYieldVaultScenario2() {
message: "Expected user's Flow balance after rebalance to be more than zero but got \(flowBalanceAfter)"
)
}