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aave-protocol-v2/test/helpers/scenarios/borrow-repay-variable.json

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{
"title": "LendingPool: Borrow/repay (variable rate)",
"description": "Test cases for the borrow function, variable mode.",
"stories": [
{
"description": "User 2 deposits 1 DAI to account for rounding errors",
"actions": [
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount": "1",
"user": "2"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "2"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "1",
"user": "2"
},
"expected": "success"
}
]
},
{
"description": "User 0 deposits 1000 DAI, user 1 deposits 1 ETH as collateral and borrows 100 DAI at variable rate",
"actions": [
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "1",
"user": "1",
"sendValue": "1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "100",
"borrowRateMode": "variable",
"user": "1",
"timeTravel": "365"
},
"expected": "success"
}
]
},
{
"description": "User 1 tries to borrow a very small amount of DAI, which would result in 0 fee accrued (revert expected)",
"actions": [
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "0.000000000000000001",
"borrowRateMode": "variable",
"user": "1"
},
"expected": "revert",
"revertMessage": "The amount to borrow is too small"
}
]
},
{
"description": "User 1 tries to borrow the rest of the DAI liquidity (revert expected)",
"actions": [
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "900",
"borrowRateMode": "variable",
"user": "1"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
}
]
},
{
"description": "User 1 tries to repay 0 DAI (revert expected)",
"actions": [
{
"name": "repay",
"args": {
"reserve": "DAI",
"amount": "0",
"user": "1",
"onBehalfOf": "1"
},
"expected": "revert",
"revertMessage": "Amount must be greater than 0"
}
]
},
{
"description": "User 1 repays a small amount of DAI, enough to cover the origination fee + a small part of the interest",
"actions": [
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "1"
},
"expected": "success"
},
{
"name": "repay",
"args": {
"reserve": "DAI",
"amount": "1.25",
"user": "1",
"onBehalfOf": "1"
},
"expected": "success"
}
]
},
{
"description": "User 1 repays the DAI borrow after one year",
"actions": [
{
"name": "mint",
"description": "Mint 10 DAI to cover the interest",
"args": {
"reserve": "DAI",
"amount": "10",
"user": "1"
},
"expected": "success"
},
{
"name": "repay",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "1",
"onBehalfOf": "1"
},
"expected": "success"
}
]
},
{
"description": "User 0 redeems the deposited DAI plus interest",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "0"
},
"expected": "success"
}
]
},
{
"description": "User 1 redeems the collateral",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "1"
},
"expected": "success"
}
]
},
{
"description": "User 2 deposits a small amount of ETH to account for rounding errors",
"actions": [
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "0.001",
"user": "2",
"sendValue": "0.001"
},
"expected": "success"
}
]
},
{
"description": "User 0 deposits 1 ETH, user 1 deposits 100 LINK as collateral and borrows 0.5 ETH at variable rate",
"actions": [
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "1",
"user": "0",
"sendValue": "1"
},
"expected": "success"
},
{
"name": "mint",
"args": {
"reserve": "LINK",
"amount": "100",
"user": "1"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "LINK",
"user": "1"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "LINK",
"amount": "100",
"user": "1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "ETH",
"amount": "0.5",
"borrowRateMode": "variable",
"user": "1",
"timeTravel": "365"
},
"expected": "success"
}
]
},
{
"description": "User 1 tries to repay 0 ETH",
"actions": [
{
"name": "repay",
"args": {
"reserve": "ETH",
"amount": "0",
"user": "1",
"onBehalfOf": "1",
"sendValue": "0"
},
"expected": "revert",
"revertMessage": "Amount must be greater than 0"
}
]
},
{
"description": "User 1 tries to repay without sending any ETH value (revert expected)",
"actions": [
{
"name": "repay",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "1",
"onBehalfOf": "1",
"sendValue": "0"
},
"expected": "revert",
"revertMessage": "Invalid msg.value sent for the repayment"
}
]
},
{
"description": "User 2 tries to repay everything on behalf of user 1 using uint(-1) (revert expected)",
"actions": [
{
"name": "repay",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "2",
"onBehalfOf": "1",
"sendValue": "-1"
},
"expected": "revert",
"revertMessage": "To repay on behalf of an user an explicit amount to repay is needed"
}
]
},
{
"description": "User 3 repays a small amount of ETH on behalf of user 1",
"actions": [
{
"name": "repay",
"args": {
"reserve": "ETH",
"amount": "0.2",
"user": "3",
"onBehalfOf": "1",
"sendValue": "0.2"
},
"expected": "success"
}
]
},
{
"description": "User 1 repays the ETH borrow after one year",
"actions": [
{
"name": "repay",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "1",
"onBehalfOf": "1",
"sendValue": "-1"
},
"expected": "success"
}
]
},
{
"description": "User 0 redeems the deposited ETH plus interest",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "0"
},
"expected": "success"
}
]
},
{
"description": "User 1 redeems the collateral",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "LINK",
"amount": "-1",
"user": "1"
},
"expected": "success"
}
]
},
{
"description": "User 2 deposits 1 USDC to account for rounding errors",
"actions": [
{
"name": "mint",
"args": {
"reserve": "USDC",
"amount": "1",
"user": "2"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "USDC",
"user": "2"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "USDC",
"amount": "1",
"user": "2"
},
"expected": "success"
}
]
},
{
"description": "User 0 deposits 1000 USDC, user 1 deposits 1 ETH as collateral and borrows 100 USDC at variable rate",
"actions": [
{
"name": "mint",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "USDC",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "1",
"user": "1",
"sendValue": "1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "USDC",
"amount": "100",
"borrowRateMode": "variable",
"user": "1",
"timeTravel": "365"
},
"expected": "success"
}
]
},
{
"description": "User 1 tries to borrow the rest of the USDC liquidity (revert expected)",
"actions": [
{
"name": "borrow",
"args": {
"reserve": "USDC",
"amount": "900",
"borrowRateMode": "variable",
"user": "1"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
}
]
},
{
"description": "User 1 repays the USDC borrow after one year",
"actions": [
{
"name": "mint",
"description": "Mint 10 USDC to cover the interest",
"args": {
"reserve": "USDC",
"amount": "10",
"user": "1"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "USDC",
"user": "1"
},
"expected": "success"
},
{
"name": "repay",
"args": {
"reserve": "USDC",
"amount": "-1",
"user": "1",
"onBehalfOf": "1"
},
"expected": "success"
}
]
},
{
"description": "User 0 redeems the deposited USDC plus interest",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "USDC",
"amount": "-1",
"user": "0"
},
"expected": "success"
}
]
},
{
"description": "User 1 redeems the collateral",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "1"
},
"expected": "success"
}
]
},
{
"description": "User 1 deposits 1000 DAI, user 3 tries to borrow 1000 DAI without any collateral (revert expected)",
"actions": [
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "1"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "1"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "1000",
"borrowRateMode": "variable",
"user": "3"
},
"expected": "revert",
"revertMessage": "The collateral balance is 0"
}
]
},
{
"description": "user 3 deposits 0.1 ETH collateral to borrow 100 DAI; 0.1 ETH is not enough to borrow 100 DAI (revert expected)",
"actions": [
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "0.1",
"user": "3",
"sendValue": "0.1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "100",
"borrowRateMode": "variable",
"user": "3"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
}
]
},
{
"description": "user 3 redeems the 0.1 ETH",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "3"
},
"expected": "success"
}
]
},
{
"description": "User 1 deposits 1000 USDC, user 3 tries to borrow 1000 USDC without any collateral (revert expected)",
"actions": [
{
"name": "mint",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "1"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "USDC",
"user": "1"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "USDC",
"amount": "1000",
"borrowRateMode": "variable",
"user": "3"
},
"expected": "revert",
"revertMessage": "The collateral balance is 0"
}
]
},
{
"description": "user 3 deposits 0.1 ETH collateral to borrow 100 USDC; 0.1 ETH is not enough to borrow 100 USDC (revert expected)",
"actions": [
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "0.1",
"user": "3",
"sendValue": "0.1"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "USDC",
"amount": "100",
"borrowRateMode": "variable",
"user": "3"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
}
]
},
{
"description": "user 3 redeems the 0.1 ETH",
"actions": [
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "3"
},
"expected": "success"
}
]
},
{
"description": "User 4 deposits 1000 DAI, user 5 deposits 0.92267103215 ETH, tries to borrow 187.5 DAI which is the maximum amount he can borrow, if fees were not considered. (revert expected)",
"actions": [
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "4"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "4"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "4"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "0.92267103215",
"user": "5",
"sendValue": "0.92267103215"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "187.5",
"borrowRateMode": "variable",
"user": "5"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
},
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "5"
},
"expected": "success"
},
{
"name": "redeem",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "4"
},
"expected": "success"
}
]
},
{
"description": "User 4 deposits 1000 USDC, user 5 deposits 0.91928534104 ETH, tries to borrow 187.5 USDC which is the maximum amount he can borrow, if fees were not considered. (revert expected)",
"actions": [
{
"name": "mint",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "4"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "USDC",
"user": "4"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "USDC",
"amount": "1000",
"user": "4"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "0.91928534104",
"user": "5",
"sendValue": "0.91928534104"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "USDC",
"amount": "187.5",
"borrowRateMode": "variable",
"user": "5"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
},
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "5"
},
"expected": "success"
},
{
"name": "redeem",
"args": {
"reserve": "USDC",
"amount": "-1",
"user": "4"
},
"expected": "success"
}
]
},
{
"description": "User 4 deposits 1.5 ETH, user 5 deposits 100 DAI, tries to borrow 0.276801309645 ETH which is the maximum amount he can borrow, if fees were not considered. (revert expected)",
"actions": [
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "1.5",
"user": "4",
"sendValue": "1.5"
},
"expected": "success"
},
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount" : "100",
"user": "5"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "5"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "100",
"user": "5"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "ETH",
"amount": "0.276801309645",
"borrowRateMode": "variable",
"user": "5"
},
"expected": "revert",
"revertMessage": "There is not enough collateral to cover a new borrow"
},
{
"name": "redeem",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "5"
},
"expected": "success"
},
{
"name": "redeem",
"args": {
"reserve": "ETH",
"amount": "-1",
"user": "4"
},
"expected": "success"
}
]
},
{
"description": "User 0 deposits 1000 DAI, user 6 deposits 2 ETH and borrow 100 DAI at variable rate first, then 100 DAI at stable rate, repays everything. User 0 redeems",
"actions": [
{
"name": "mint",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "DAI",
"amount": "1000",
"user": "0"
},
"expected": "success"
},
{
"name": "deposit",
"args": {
"reserve": "ETH",
"amount": "2",
"user": "6",
"sendValue": "2"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "100",
"borrowRateMode": "variable",
"user": "6",
"timeTravel": "365"
},
"expected": "success"
},
{
"name": "borrow",
"args": {
"reserve": "DAI",
"amount": "100",
"borrowRateMode": "stable",
"user": "6",
"timeTravel": "365"
},
"expected": "success"
},
{
"name": "mint",
"description": "Mint 50 DAI to cover the interest",
"args": {
"reserve": "DAI",
"amount": "50",
"user": "6"
},
"expected": "success"
},
{
"name": "approve",
"args": {
"reserve": "DAI",
"user": "6"
},
"expected": "success"
},
{
"name": "repay",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "6",
"onBehalfOf": "6"
},
"expected": "success"
},
{
"name": "redeem",
"args": {
"reserve": "DAI",
"amount": "-1",
"user": "0"
},
"expected": "success"
}
]
}
]
}
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