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update lending script

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This commit is contained in:
Kiro
2025-12-22 14:12:50 +08:00
parent 682552bfe6
commit 0024e7adb1
25 changed files with 797 additions and 1108 deletions
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18
test/YtLending.t.sol
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@@ -177,7 +177,7 @@ contract YtLendingTest is Test {
vm.stopPrank();
// 验证余额
assertEq(lending.balanceOf(alice), 10000e18, "Alice balance should be 10,000 USDC");
assertEq(lending.supplyBalanceOf(alice), 10000e18, "Alice balance should be 10,000 USDC");
assertEq(lending.getTotalSupply(), 10000e18, "Total supply should be 10,000 USDC");
// 验证 principal（初始时 index=1，所以 principal=balance）
@@ -195,8 +195,8 @@ contract YtLendingTest is Test {
lending.supply(5000e18);
// 验证
assertEq(lending.balanceOf(alice), 10000e18, "Alice balance");
assertEq(lending.balanceOf(bob), 5000e18, "Bob balance");
assertEq(lending.supplyBalanceOf(alice), 10000e18, "Alice balance");
assertEq(lending.supplyBalanceOf(bob), 5000e18, "Bob balance");
assertEq(lending.getTotalSupply(), 15000e18, "Total supply should be 15,000 USDC");
}
@@ -213,7 +213,7 @@ contract YtLendingTest is Test {
vm.prank(alice);
lending.withdraw(10000e18);
assertEq(lending.balanceOf(alice), 0, "Alice balance should be 0");
assertEq(lending.supplyBalanceOf(alice), 0, "Alice balance should be 0");
assertEq(lending.getTotalSupply(), 0, "Total supply should be 0");
}
@@ -226,7 +226,7 @@ contract YtLendingTest is Test {
vm.prank(alice);
lending.withdraw(3000e18);
assertEq(lending.balanceOf(alice), 7000e18, "Alice balance should be 7,000 USDC");
assertEq(lending.supplyBalanceOf(alice), 7000e18, "Alice balance should be 7,000 USDC");
assertEq(lending.getTotalSupply(), 7000e18, "Total supply should be 7,000 USDC");
}
@@ -325,7 +325,7 @@ contract YtLendingTest is Test {
// rate = base + (utilization × slope)
// = 0% + (80% × 3%) = 2.4%
// 预期余额 = 10,000 × 1.024 = 10,240 USDC
uint256 aliceBalance = lending.balanceOf(alice);
uint256 aliceBalance = lending.supplyBalanceOf(alice);
assertApproxEqRel(aliceBalance, 10240e18, 0.001e18, "Alice should earn 2.4% interest (0.1% tolerance)");
// Borrow APY 计算：
@@ -360,7 +360,7 @@ contract YtLendingTest is Test {
// 验证复利效果（按秒计算的利息应该增长余额）
// Alice 占总存款的 1/3 (10k / 30k)，所以获得约 1/3 的供应利息
// 利用率 = 8k / 30k ≈ 27%，供应利率较低
uint256 aliceBalance = lending.balanceOf(alice);
uint256 aliceBalance = lending.supplyBalanceOf(alice);
assertTrue(aliceBalance > 10000e18, "Compound interest should grow balance");
}
@@ -482,7 +482,7 @@ contract YtLendingTest is Test {
// 抵押品价值（打折后）= 17,500 * 0.95 = 16,625
// 可以覆盖 16,000 债务，还剩 625
assertTrue(lending.balanceOf(bob) > 0, "Bob should have positive balance from excess collateral");
assertTrue(lending.supplyBalanceOf(bob) > 0, "Bob should have positive balance from excess collateral");
}
function test_16_AbsorbMultiple_Batch() public {
@@ -886,7 +886,7 @@ contract YtLendingTest is Test {
lending.accrueInterest();
// 5. 验证利息累积
uint256 aliceBalance = lending.balanceOf(alice);
uint256 aliceBalance = lending.supplyBalanceOf(alice);
assertTrue(aliceBalance > 50000e18, "Alice should earn interest");
uint256 bobDebt = lending.borrowBalanceOf(bob);