Merge pull request #30 from platypus-finance/develop

Develop

contracts/oracle/ConstantChainlinkAggregator.sol

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-3.0
+import '@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol';
+
+pragma solidity 0.8.9;
+
+// Always returns 1 in 8 d.p as price
+contract ConstantChainlinkAggregator is AggregatorV3Interface {
+    int256 public latestAnswer = 1e8;
+
+    function latestTimestamp() external view returns (uint256) {
+        return block.timestamp;
+    }
+
+    function latestRoundData()
+        external
+        view
+        override
+        returns (
+            uint80,
+            int256,
+            uint256,
+            uint256,
+            uint80
+        )
+    {
+        return (0, latestAnswer, 0, block.timestamp, 0);
+    }
+
+    function version() external pure override returns (uint256) {
+        return 0;
+    }
+
+    function decimals() external pure override returns (uint8) {
+        return 8;
+    }
+
+    function description() external pure override returns (string memory) {
+        return 'Constant chainlink feed';
+    }
+
+    function getRoundData(uint80)
+        external
+        pure
+        override
+        returns (
+            uint80 roundId,
+            int256 answer,
+            uint256 startedAt,
+            uint256 updatedAt,
+            uint80 answeredInRound
+        )
+    {
+        return (0, 0, 0, 0, 0);
+    }
+}

test/ChainlinkProxyPriceProvider.spec.ts

@@ -2,7 +2,7 @@ import { ethers } from 'hardhat'
 import chai from 'chai'
 import { ContractFactory } from 'ethers'
 import { solidity } from 'ethereum-waffle'
-import { parseEther } from '@ethersproject/units'
+import { parseEther, parseUnits } from '@ethersproject/units'
 
 chai.use(solidity)
 const { expect } = chai
@@ -11,6 +11,7 @@ describe('ChainlinkProxyPriceProvider', function () {
   let owner, users
   let ChainlinkProxyPriceProvider: ContractFactory
   let TestChainlinkAggregator: ContractFactory
+  let ConstantChainlinkAggregator: ContractFactory
 
   beforeEach(async function () {
     const [first, ...rest] = await ethers.getSigners()
@@ -19,6 +20,7 @@ describe('ChainlinkProxyPriceProvider', function () {
 
     ChainlinkProxyPriceProvider = await ethers.getContractFactory('ChainlinkProxyPriceProvider')
     TestChainlinkAggregator = await ethers.getContractFactory('TestChainlinkAggregator')
+    ConstantChainlinkAggregator = await ethers.getContractFactory('ConstantChainlinkAggregator')
   })
 
   beforeEach(async function () {
@@ -35,17 +37,22 @@ describe('ChainlinkProxyPriceProvider', function () {
     this.DAIAddress = '0xbA7dEebBFC5fA1100Fb055a87773e1E99Cd3507a'
     this.WAVAXAddress = '0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7'
 
+    this.USPAddress = '0x2E12576A13d610508A320aeCe98c7fC9eeF17A67'
+    this.USPUSD = await ConstantChainlinkAggregator.deploy()
+
     this.provider = await ChainlinkProxyPriceProvider.connect(owner).deploy(
-      [this.USDTAddress, this.LINKAddress],
-      [this.USDTAVAX.address, this.LINKAVAX.address]
+      [this.USDTAddress, this.LINKAddress, this.USPAddress],
+      [this.USDTAVAX.address, this.LINKAVAX.address, this.USPUSD.address]
     )
-    // await this.provider.connect(owner).setETHAddress(this.WAVAXAddress)
   })
 
   describe('getAssetPrice', function () {
     it('gets an asset price by address', async function () {
       expect(await this.provider.getAssetPrice(this.USDTAddress)).to.be.equal(parseEther('0.001677'))
       expect(await this.provider.getAssetPrice(this.LINKAddress)).to.be.equal(parseEther('0.02496761'))
+      expect(await this.provider.getAssetPrice(this.USPAddress)).to.be.equal(parseUnits('1', 8))
+
+      expect(await this.USPUSD.latestAnswer()).to.be.equal(parseUnits('1', 8))
     })
 
     it('reverts if asset has no source', async function () {