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Merge pull request #5 from alienrobotninja/ehi_v3_try
Ehi v3 try
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‎README.md

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# aaveJavaSdk
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<h1 align="center">Aave Java SDK</h1>
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### prerequisite
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* deposit(``String reserve``,``BigInteger amount``,``String onBehalfOf``,``BigInteger referralCode``)
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* please once again look in the test to understand how to use.
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* please once again look in the test to understand how to use.
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# How to use
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[Lending Pool V2](#lending-pool-v2)
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- [deposit](#deposit)
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- [borrow](#borrow)
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- [repay](#repay)
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- [withdraw](#withdraw)
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- [swapBorrowRateMode](#swapBorrowRateMode)
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- [setUsageAsCollateral](#setUsageAsCollateral)
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- [liquidationCall](#liquidationCall)
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- [swapCollateral](#swapCollateral)
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- [repayWithCollateral](#repayWithCollateral)
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## Lending Pool V2
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Object that contains all the necessary methods to create Aave V2 lending pool
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transactions
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### deposit
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Deposits the underlying asset into the reserve. For every token that is
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deposited, a corresponding amount of aTokens is minted
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<details>
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<summary>Sample Code</summary>
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```java
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/*
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- @param `assetAddress` The ethereum address of the reserve asset
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- @param `lendingPoolAddressProvider` lending pool address provider
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- @param `amount` The amount to be deposited, in human readable units as strings (e.g. 25000000000 ETH)
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- @param `interestRateMode`//Whether the borrow will incur a stable (InterestRate.Stable) or variable (InterestRate.Variable) interest rate
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- @param `onBehalfOf` The ethereum address for which user is depositing.
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*/
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class LendingPoolTest {
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//check that you are on the right network
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//NB kovan and other test nets are deprecated use Goerli
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String nodeUrl
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= "https://goerli.infura.io/v3/<replace with your infura key>";
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String privateKey
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= "<replace with your private key to your wallet>";
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private AaveConnect connection = new AaveConnect(privateKey, nodeUrl);
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private LendingPool lendingPool = new LendingPool(connection, lendingPoolAddressProvider, gasFee, gasLimit);
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/* rest of your code... constructor...*/
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void lendingPoolDeposit() {
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Erc20 erc20 = new Erc20(connection, amount, assetAddress);
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try {
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erc20.approve(amount);
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TransactionReceipt depositReceipt = lendingPool.deposit(amount, assetAddress, onBehalfOf);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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```
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</details>
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<br />
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### borrow
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Borrow an `amount` of `reserve` asset.
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User must have a collaterised position (i.e. aTokens in their wallet)
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<details>
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<summary>Sample Code</summary>
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```java
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/*
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- @param `assetAddress` The ethereum address of the reserve asset
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- @param `amount` The amount to be borrowed, in human readable units as strings (e.g. 25000000000 ETH)
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- @param `interestRateMode`//Whether the borrow will incur a stable (InterestRate.Stable) or variable (InterestRate.Variable) interest rate
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- @param `lendingPoolAddressProvider` lending pool address provider
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- @param `onBehalfOf` The ethereum address for which user is borrowing. It will default to the user address
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*/
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class LendingPoolTest {
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String nodeUrl
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= "https://goerli.infura.io/v3/<replace with your infura key>";
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String privateKey
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= "<replace with your private key to your wallet>";
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private AaveConnect connection = new AaveConnect(privateKey, nodeUrl);
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private LendingPool lendingPool = new LendingPool(connection, lendingPoolAddressProvider, gasFee, gasLimit);
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/* rest of your code... constructor...*/
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void lendingPoolWithdraw() {
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try {
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TransactionReceipt borrowReceipt = lendingPool.borrow(amount, assetAddress, onBehalfOf);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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```
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</details>
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<br />
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### repay
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Repays a borrow on the specific reserve, for the specified amount (or for the
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whole amount, if (-1) is specified). the target user is defined by `onBehalfOf`.
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If there is no repayment on behalf of another account, `onBehalfOf` must be
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equal to `user`
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If the `user` is not approved, an approval transaction will also be returned
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<details>
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<summary>Sample Code</summary>
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```java
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/*
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- @param `assetAddress` The ethereum address of the reserve asset
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- @param `amount` The amount to be borrowed, in human readable units as strings (e.g. 25000000000 ETH)
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- @param `interestRateMode`//Whether the borrow will incur a stable (InterestRate.Stable) or variable (InterestRate.Variable) interest rate
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- @param `lendingPoolAddressProvider` lending pool address provider
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- @param `onBehalfOf` The ethereum address for which user is borrowing. It will default to the user address
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*/
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class LendingPoolTest {
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String nodeUrl
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= "https://goerli.infura.io/v3/<replace with your infura key>";
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String privateKey
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= "<replace with your private key to your wallet>";
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private AaveConnect connection = new AaveConnect(privateKey, nodeUrl);
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private LendingPool lendingPool = new LendingPool(connection, lendingPoolAddressProvider, gasFee, gasLimit);
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/* rest of your code... constructor...*/
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void lendingPoolWithdraw() {
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try {
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TransactionReceipt repayReceipt = lendingPool.repay(amount, assetAddress, onBehalfOf);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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```
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</details>
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<br />
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### withdraw
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Withdraws the underlying asset of an aToken asset.
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<details>
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<summary>Sample Code</summary>
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```java
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/*
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- @param `assetAddress` The ethereum address of the reserve asset
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- @param `amount` The amount to be withdrawn, in human readable units as strings (e.g. 25000000000 ETH)
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- @param `interestRateMode`//Whether the borrow will incur a stable (InterestRate.Stable) or variable (InterestRate.Variable) interest rate
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- @param `lendingPoolAddressProvider` lending pool address provider
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- @param `toAddress` The ethereum address for which user is borrowing. It will default to the user address
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*/
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class LendingPoolTest {
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String nodeUrl
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= "https://goerli.infura.io/v3/<replace with your infura key>";
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String privateKey
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= "<replace with your private key to your wallet>";
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private AaveConnect connection = new AaveConnect(privateKey, nodeUrl);
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private LendingPool lendingPool = new LendingPool(connection, lendingPoolAddressProvider, gasFee, gasLimit);
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/* rest of your code... constructor...*/
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void lendingPoolWithdraw() {
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try {
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TransactionReceipt withDrawReceipt = lendingPool.withdraw(amount, assetAddress, toAdderess);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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```
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</details>
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<br />
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### swapBorrowRateMode
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Borrowers can use this function to swap between stable and variable borrow rate
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modes.
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<details>
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<summary>Sample Code</summary>
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```java
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/*
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- @param `assetAddress` The address of the reserve on which the user borrowed
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- @param `mode` //Whether the borrow will incur a stable (InterestRate.Stable) or variable (InterestRate.Variable) interest rate which is either "1" for stable or "2" for variable
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*/
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class LendingPoolTest {
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String nodeUrl
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= "https://goerli.infura.io/v3/<replace with your infura key>";
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String privateKey
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= "<replace with your private key to your wallet>";
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private AaveConnect connection = new AaveConnect(privateKey, nodeUrl);
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private LendingPool lendingPool = new LendingPool(connection, lendingPoolAddressProvider, gasFee, gasLimit);
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/* rest of your code... constructor...*/
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void swapBorrowRate() {
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try {
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TransactionReceipt swapBorrowRateReceipt = lendingPool.swapBorrowRate(assetAddress, mode);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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```
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</details>
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<br />

‎pom.xml

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<bin>src/bin/generated</bin>
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<abi>src/abi/generated</abi>
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</outputDirectory>
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<contract>
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<includes>
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<include>greeter</include>
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</includes>
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<excludes>
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<exclude>mortal</exclude>
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</excludes>
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</contract>
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<pathPrefixes>
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<pathPrefix>dep=../dependencies</pathPrefix>
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</pathPrefixes>

‎src/bin/generated/org.web3j.model/IProtocolDataProvider.bin

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