feat: FRAX FP post deploy

dimsome · Jul 5, 2021 · ef5cff6 · ef5cff6
1 parent 9516051
commit ef5cff6
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Showing 4 changed files with 94 additions and 8 deletions.
diff --git a/hardhat-fork-polygon.config.ts b/hardhat-fork-polygon.config.ts
@@ -9,8 +9,7 @@ export default {
             blockGasLimit: 20000000, // 20 million
             gasPrice: 5000000000, // 5 Gwei
             forking: {
-                url: "https://matic-mainnet-archive-rpc.bwarelabs.com",
-                blockNumber: 15510323,
+                url: process.env.NODE_URL || "https://matic-mainnet-archive-rpc.bwarelabs.com",
             },
         },
     },

diff --git a/hardhat.config.ts b/hardhat.config.ts
@@ -37,13 +37,13 @@ export const hardhatConfig = {
             gasLimit: 8000000,
         },
         polygon_testnet: {
-            url: "https://rpc-mumbai.maticvigil.com",
+            url: process.env.NODE_URL || "https://rpc-mumbai.maticvigil.com",
         },
         polygon_mainnet: {
-            url: "https://rpc-mainnet.matic.quiknode.pro",
+            url: process.env.NODE_URL || "https://rpc-mainnet.matic.quiknode.pro",
         },
         mainnet: {
-            url: process.env.NODE_URL || "",
+            url: process.env.NODE_URL || "https://main-light.eth.linkpool.io",
         },
     },
     solidity: {

diff --git a/tasks/feeder.ts b/tasks/feeder.ts
@@ -3,8 +3,8 @@ import "tsconfig-paths/register"
 import { task, types } from "hardhat/config"
 import { Signer } from "ethers"
 
-import { FeederPool, FeederPool__factory, Masset } from "types/generated"
-import { BN } from "@utils/math"
+import { ERC20__factory, FeederPool, FeederPool__factory, IERC20__factory, Masset } from "types/generated"
+import { BN, simpleToExactAmount } from "@utils/math"
 import { dumpConfigStorage, dumpFassetStorage, dumpTokenStorage } from "./utils/storage-utils"
 import {
     getMultiRedemptions,
@@ -21,10 +21,11 @@ import {
     getSavingsManager,
     getCollectedInterest,
 } from "./utils/snap-utils"
-import { Token, tokens } from "./utils/tokens"
+import { PFRAX, PmUSD, Token, tokens } from "./utils/tokens"
 import { btcFormatter, QuantityFormatter, usdFormatter } from "./utils/quantity-formatters"
 import { getSwapRates } from "./utils/rates-utils"
 import { getSigner } from "./utils/defender-utils"
+import { logTxDetails } from "./utils"
 
 const getBalances = async (mAsset: Masset | FeederPool, toBlock: number, asset: Token): Promise<Balances> => {
     const mAssetBalance = await mAsset.totalSupply({
@@ -195,4 +196,24 @@ task("feeder-rates", "Feeder rate comparison to Curve")
         await snapConfig(feederPool, block.blockNumber)
     })
 
+task("frax-post-deploy", "Mint FRAX Feeder Pool").setAction(async (_, { ethers, network }) => {
+    const signer = await getSigner(network.name, ethers)
+
+    const frax = ERC20__factory.connect(PFRAX.address, signer)
+    const fraxFp = FeederPool__factory.connect(PFRAX.feederPool, signer)
+    const musd = await IERC20__factory.connect(PmUSD.address, signer)
+
+    const approveAmount = simpleToExactAmount(100)
+    const bAssetAmount = simpleToExactAmount(10)
+    const minAmount = simpleToExactAmount(9)
+
+    let tx = await frax.approve(PFRAX.feederPool, approveAmount)
+    await logTxDetails(tx, "approve FRAX")
+
+    tx = await musd.approve(PFRAX.feederPool, approveAmount)
+    await logTxDetails(tx, "approve mUSD")
+
+    tx = await fraxFp.mintMulti([PFRAX.address, PmUSD.address], [bAssetAmount, bAssetAmount], minAmount, await signer.getAddress())
+    await logTxDetails(tx, "mint FRAX FP")
+})
 module.exports = {}
diff --git a/test-fork/feeders/feeders-frax.spec.ts b/test-fork/feeders/feeders-frax.spec.ts
@@ -0,0 +1,66 @@
+import { impersonateAccount } from "@utils/fork"
+import { simpleToExactAmount } from "@utils/math"
+import { expect } from "chai"
+import { ethers, network } from "hardhat"
+import { PFRAX, PmUSD } from "tasks/utils"
+import { Account } from "types"
+import { ERC20, ERC20__factory, FeederPool, FeederPool__factory, IERC20, IERC20__factory } from "types/generated"
+
+const accountAddress = "0xdccb7a6567603af223c090be4b9c83eced210f18"
+
+context("FRAX Feeder Pool on Polygon", () => {
+    let account: Account
+    let frax: ERC20
+    let fraxFp: FeederPool
+    let musd: IERC20
+
+    before("reset block number", async () => {
+        await network.provider.request({
+            method: "hardhat_reset",
+            params: [
+                {
+                    forking: {
+                        jsonRpcUrl: process.env.NODE_URL,
+                        blockNumber: 16440763,
+                    },
+                },
+            ],
+        })
+        account = await impersonateAccount(accountAddress)
+
+        frax = ERC20__factory.connect(PFRAX.address, account.signer)
+        fraxFp = FeederPool__factory.connect(PFRAX.feederPool, account.signer)
+        musd = await IERC20__factory.connect(PmUSD.address, account.signer)
+    })
+    it("Test connectivity", async () => {
+        const currentBlock = await ethers.provider.getBlockNumber()
+        console.log(`Current block ${currentBlock}`)
+        const startEther = await account.signer.getBalance()
+        console.log(`Deployer ${account} has ${startEther} Ether`)
+    })
+    it("Approve spend of FRAX", async () => {
+        expect(await frax.allowance(account.address, PFRAX.feederPool), "Allowance before").to.eq(0)
+        const approveAmount = simpleToExactAmount(20)
+        await frax.approve(PFRAX.feederPool, approveAmount)
+        expect(await frax.allowance(account.address, PFRAX.feederPool), "Allowance after").to.eq(approveAmount)
+    })
+    it("Approve spend of mUSD", async () => {
+        expect(await musd.allowance(account.address, PFRAX.feederPool), "Allowance before").to.eq(0)
+        const approveAmount = simpleToExactAmount(21)
+        await musd.approve(PFRAX.feederPool, approveAmount)
+        expect(await musd.allowance(account.address, PFRAX.feederPool), "Allowance after").to.eq(approveAmount)
+    })
+    it("Mint fraxFp", async () => {
+        const bAssetAmount = simpleToExactAmount(10)
+        const minAmount = simpleToExactAmount(9)
+        expect(await frax.balanceOf(account.address), "FRAX balance before").to.gt(bAssetAmount)
+        expect(await musd.balanceOf(account.address), "mUSD balance before").to.gt(bAssetAmount)
+        expect(await fraxFp.balanceOf(account.address), "fraxFp balance before").to.eq(0)
+        expect(await fraxFp.totalSupply(), "totalSupply before").to.eq(0)
+
+        await fraxFp.mintMulti([PFRAX.address, PmUSD.address], [bAssetAmount, bAssetAmount], minAmount, account.address)
+
+        expect(await fraxFp.balanceOf(account.address), "fraxFp balance after").to.gt(minAmount)
+        expect(await fraxFp.totalSupply(), "totalSupply after").to.gt(minAmount)
+    })
+})