added superfluid

contracts/.keystore/dinesh2.json

@@ -0,0 +1 @@
+{"address":"e643cf465ede9ad11e152bab8d3cdc6cbc3712e1","id":"a09f0a2d-99bf-458e-b40a-0fb98134efac","version":3,"crypto":{"cipher":"aes-128-ctr","cipherparams":{"iv":"c5c3fed84464e03f84382a2c6aff2c35"},"ciphertext":"0a39b278309b79ce2296279dd7eae70d878503d22152034f4e1dc63c4780dee1","kdf":"scrypt","kdfparams":{"salt":"8321bc95b52e5243400ab6c08fabcb68f87c97eb041f8087077d47014a003b2b","n":131072,"dklen":32,"p":1,"r":8},"mac":"3f6506991f105be873ef67433e1d4ad76ed4dc8f64990da752c33a96f2aa3202"},"x-ethers":{"client":"ethers.js","gethFilename":"UTC--2023-02-17T05-04-42.0Z--e643cf465ede9ad11e152bab8d3cdc6cbc3712e1","mnemonicCounter":"4046aa91b7178af4ede1f5a69aacd7df","mnemonicCiphertext":"145d31966fcd437f1705de254ce8c840","path":"m/44'/60'/0'/0/0","locale":"en","version":"0.1"}}

contracts/contracts/MyToken.test.sol → contracts/contracts/USDT.sol

@@ -3,8 +3,8 @@ pragma solidity ^0.8.9;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 
-contract MyToken is ERC20 {
-    constructor() ERC20("MyToken", "DIN") {
+contract USDT is ERC20 {
+    constructor(string memory name, string memory symbol) ERC20(name, symbol) {
         _mint(msg.sender, 1000 * 10**decimals());
     }
 }

contracts/hardhat.config.ts

@@ -7,6 +7,9 @@ const config: HardhatUserConfig = {
     mumbai: {
       url: "https://dimensional-fabled-patron.matic-testnet.discover.quiknode.pro/52f7211c36c11560b648d2af0576acb8e9fb8062/",
     },
+    mantle: {
+      url: "https://rpc.testnet.mantle.xyz",
+    },
   },
   etherscan: {
     apiKey: "USK8S3HV5D9GMWA14TF9WKI4KRBW4Z27C7",

contracts/scripts/mockToken.ts

@@ -0,0 +1,20 @@
+import { ethers, accounts } from "hardhat";
+
+async function main() {
+  // We get the contract to deploy
+  const signer = await accounts.getSigners();
+  const USDT = await ethers.getContractFactory("USDT", signer[0]);
+
+  const usdt = await USDT.deploy("USDT", "USDT");
+
+  await usdt.deployed();
+
+  console.log("USDT deployed to:", usdt.address);
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});

frontend/components/createFlow.ts

@@ -0,0 +1,65 @@
+import { Framework } from "@superfluid-finance/sdk-core";
+import { ethers } from "ethers";
+export async function createNewFlow(
+  recipient: any,
+  flowRate: any,
+  provider: any,
+  tokenName: string
+) {
+  const chainId = await provider
+    .getNetwork()
+    .then((network: any) => network.chainId);
+
+  const sf = await Framework.create({
+    chainId: Number(chainId),
+    provider: provider,
+  });
+
+  const signer = provider.getSigner();
+
+  const superSigner = sf.createSigner({ signer: signer });
+
+  const token = await sf.loadSuperToken(tokenName);
+
+  console.log(token);
+
+  try {
+    const createFlowOperation = token.createFlow({
+      sender: await superSigner.getAddress(),
+      receiver: recipient,
+      flowRate: flowRate,
+      // userData?: string
+    });
+
+    console.log(createFlowOperation);
+    console.log("Creating your stream...");
+
+    const result = await createFlowOperation.exec(superSigner);
+    console.log(result);
+
+    console.log(
+      `Congrats - you've just created a money stream!
+      `
+    );
+  } catch (error) {
+    console.log(
+      "Hmmm, your transaction threw an error. Make sure that this stream does not already exist, and that you've entered a valid Ethereum address!"
+    );
+    console.error(error);
+  }
+}
+
+function calculateFlowRate(amount: number) {
+  if (typeof Number(amount) !== "number" || isNaN(Number(amount)) === true) {
+    alert("You can only calculate a flowRate based on a number");
+    return;
+  } else if (typeof Number(amount) === "number") {
+    if (Number(amount) === 0) {
+      return 0;
+    }
+    const amountInWei = ethers.BigNumber.from(amount);
+    const monthlyAmount: any = ethers.utils.formatEther(amountInWei.toString());
+    const calculatedFlowRate = monthlyAmount * 3600 * 24 * 30;
+    return calculatedFlowRate;
+  }
+}

frontend/constants/index.ts

@@ -1,4 +1,8 @@
-export const contractAddress = "0x367B56C44A598B27f9083EC1DbEfe1B3ea42C377";
+export const mumbaiAddress = "0x367B56C44A598B27f9083EC1DbEfe1B3ea42C377";
+export const mantleAddress = "0xe9f35F8C12B10b497D2193398805e5D8Cab1f8E2";
+export const mantleRPC = "https://rpc.testnet.mantle.xyz";
+export const mumbaiRPC =
+  "https://dimensional-fabled-patron.matic-testnet.discover.quiknode.pro/52f7211c36c11560b648d2af0576acb8e9fb8062/";
 export const contractABI = [
   {
     inputs: [
@@ -402,3 +406,226 @@ export const contractABI = [
     type: "function",
   },
 ];
+
+export const erc20abi = [
+  {
+    constant: true,
+    inputs: [],
+    name: "name",
+    outputs: [
+      {
+        name: "",
+        type: "string",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      {
+        name: "_spender",
+        type: "address",
+      },
+      {
+        name: "_value",
+        type: "uint256",
+      },
+    ],
+    name: "approve",
+    outputs: [
+      {
+        name: "",
+        type: "bool",
+      },
+    ],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "totalSupply",
+    outputs: [
+      {
+        name: "",
+        type: "uint256",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      {
+        name: "_from",
+        type: "address",
+      },
+      {
+        name: "_to",
+        type: "address",
+      },
+      {
+        name: "_value",
+        type: "uint256",
+      },
+    ],
+    name: "transferFrom",
+    outputs: [
+      {
+        name: "",
+        type: "bool",
+      },
+    ],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "decimals",
+    outputs: [
+      {
+        name: "",
+        type: "uint8",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [
+      {
+        name: "_owner",
+        type: "address",
+      },
+    ],
+    name: "balanceOf",
+    outputs: [
+      {
+        name: "balance",
+        type: "uint256",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [],
+    name: "symbol",
+    outputs: [
+      {
+        name: "",
+        type: "string",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    constant: false,
+    inputs: [
+      {
+        name: "_to",
+        type: "address",
+      },
+      {
+        name: "_value",
+        type: "uint256",
+      },
+    ],
+    name: "transfer",
+    outputs: [
+      {
+        name: "",
+        type: "bool",
+      },
+    ],
+    payable: false,
+    stateMutability: "nonpayable",
+    type: "function",
+  },
+  {
+    constant: true,
+    inputs: [
+      {
+        name: "_owner",
+        type: "address",
+      },
+      {
+        name: "_spender",
+        type: "address",
+      },
+    ],
+    name: "allowance",
+    outputs: [
+      {
+        name: "",
+        type: "uint256",
+      },
+    ],
+    payable: false,
+    stateMutability: "view",
+    type: "function",
+  },
+  {
+    payable: true,
+    stateMutability: "payable",
+    type: "fallback",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        name: "owner",
+        type: "address",
+      },
+      {
+        indexed: true,
+        name: "spender",
+        type: "address",
+      },
+      {
+        indexed: false,
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Approval",
+    type: "event",
+  },
+  {
+    anonymous: false,
+    inputs: [
+      {
+        indexed: true,
+        name: "from",
+        type: "address",
+      },
+      {
+        indexed: true,
+        name: "to",
+        type: "address",
+      },
+      {
+        indexed: false,
+        name: "value",
+        type: "uint256",
+      },
+    ],
+    name: "Transfer",
+    type: "event",
+  },
+];

frontend/constants/sampleUSDT.ts

@@ -0,0 +1 @@
+export const address = "0xeA7a60bC7E14908b69489394dfc322F7E9d16918";