Fixing doube withdrawal Token to Cash by user

1. Changed submit to button in withdrawal popup
2. Updated withdrawMoneyFromWallet() function to have balance check to prevent double request firing.

.github/workflows/push-dappbundle.yml

@@ -3,7 +3,7 @@ on: [push]
 jobs:
   build:
     name: Build
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     steps:
       - name: Executing remote command
         uses: appleboy/ssh-action@v1.0.0

scripts/ethOperator.js

@@ -0,0 +1,344 @@
+(function (EXPORTS) { //ethOperator v1.0.2
+  /* ETH Crypto and API Operator */
+  if (!window.ethers)
+    return console.error('ethers.js not found')
+  const ethOperator = EXPORTS;
+  const isValidAddress = ethOperator.isValidAddress = (address) => {
+    try {
+      // Check if the address is a valid checksum address
+      const isValidChecksum = ethers.utils.isAddress(address);
+      // Check if the address is a valid non-checksum address
+      const isValidNonChecksum = ethers.utils.getAddress(address) === address.toLowerCase();
+      return isValidChecksum || isValidNonChecksum;
+    } catch (error) {
+      return false;
+    }
+  }
+  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"
+    }
+  ]
+  const CONTRACT_ADDRESSES = {
+    usdc: "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
+    usdt: "0xdac17f958d2ee523a2206206994597c13d831ec7"
+  }
+  function getProvider() {
+    // switches provider based on whether the user is using MetaMask or not
+    if (window.ethereum) {
+      return new ethers.providers.Web3Provider(window.ethereum);
+    } else {
+      return new ethers.providers.JsonRpcProvider(`https://mainnet.infura.io/v3/6e12fee52bdd48208f0d82fb345bcb3c`)
+    }
+  }
+  function connectToMetaMask() {
+    return new Promise((resolve, reject) => {
+      // if (typeof window.ethereum === "undefined")
+      //   return reject("MetaMask not installed");
+      return resolve(true)
+      ethereum
+        .request({ method: 'eth_requestAccounts' })
+        .then((accounts) => {
+          console.log('Connected to MetaMask')
+          return resolve(accounts)
+        })
+        .catch((err) => {
+          console.log(err)
+          return reject(err)
+        })
+    })
+  }
+  // connectToMetaMask();
+  const getBalance = ethOperator.getBalance = async (address) => {
+    try {
+      if (!address || !isValidAddress(address))
+        return new Error('Invalid address');
+      // Get the balance
+      const provider = getProvider();
+      const balanceWei = await provider.getBalance(address);
+      const balanceEth = parseFloat(ethers.utils.formatEther(balanceWei));
+      return balanceEth;
+    } catch (error) {
+      console.error('Error:', error.message);
+      return error;
+    }
+  }
+  const getTokenBalance = ethOperator.getTokenBalance = async (address, token, { contractAddress } = {}) => {
+    try {
+      // if (!window.ethereum.isConnected()) {
+      //   await connectToMetaMask();
+      // }
+      if (!token)
+        return new Error("Token not specified");
+      if (!CONTRACT_ADDRESSES[token] && contractAddress)
+        return new Error('Contract address of token not available')
+      const usdcContract = new ethers.Contract(CONTRACT_ADDRESSES[token] || contractAddress, ERC20ABI, getProvider());
+      let balance = await usdcContract.balanceOf(address);
+      balance = parseFloat(ethers.utils.formatUnits(balance, 6)); // Assuming 6 decimals
+      return balance;
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
+  const estimateGas = ethOperator.estimateGas = async ({ privateKey, receiver, amount }) => {
+    try {
+      const provider = getProvider();
+      const signer = new ethers.Wallet(privateKey, provider);
+      return provider.estimateGas({
+        from: signer.address,
+        to: receiver,
+        value: ethers.utils.parseUnits(amount, "ether"),
+      });
+    } catch (e) {
+      throw new Error(e)
+    }
+  }
+
+  const sendTransaction = ethOperator.sendTransaction = async ({ privateKey, receiver, amount }) => {
+    try {
+      const provider = getProvider();
+      const signer = new ethers.Wallet(privateKey, provider);
+      const limit = await estimateGas({ privateKey, receiver, amount })
+      // Creating and sending the transaction object
+      return signer.sendTransaction({
+        to: receiver,
+        value: ethers.utils.parseUnits(amount, "ether"),
+        gasLimit: limit,
+        nonce: signer.getTransactionCount(),
+        maxPriorityFeePerGas: ethers.utils.parseUnits("2", "gwei"),
+      })
+    } catch (e) {
+      throw new Error(e)
+    }
+  }
+
+  const sendToken = ethOperator.sendToken = async ({ token, privateKey, amount, receiver, contractAddress }) => {
+    // Create a wallet using the private key
+    const wallet = new ethers.Wallet(privateKey, getProvider());
+    // Contract interface
+    const tokenContract = new ethers.Contract(CONTRACT_ADDRESSES[token] || contractAddress, ERC20ABI, wallet);
+    // Convert the amount to the smallest unit of USDC (wei)
+    const amountWei = ethers.utils.parseUnits(amount.toString(), 6); // Assuming 6 decimals for USDC
+
+    // Call the transfer function on the USDC contract
+    return tokenContract.transfer(receiver, amountWei)
+  }
+})('object' === typeof module ? module.exports : window.ethOperator = {});

scripts/ethOperator.min.js

@@ -0,0 +1 @@
+!function(EXPORTS){if(!window.ethers)return console.error("ethers.js not found");const ethOperator=EXPORTS,isValidAddress=ethOperator.isValidAddress=address=>{try{const isValidChecksum=ethers.utils.isAddress(address),isValidNonChecksum=ethers.utils.getAddress(address)===address.toLowerCase();return isValidChecksum||isValidNonChecksum}catch(error){return!1}},ERC20ABI=[{constant:!0,inputs:[],name:"name",outputs:[{name:"",type:"string"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_spender",type:"address"},{name:"_value",type:"uint256"}],name:"approve",outputs:[{name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"totalSupply",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_from",type:"address"},{name:"_to",type:"address"},{name:"_value",type:"uint256"}],name:"transferFrom",outputs:[{name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"decimals",outputs:[{name:"",type:"uint8"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[{name:"_owner",type:"address"}],name:"balanceOf",outputs:[{name:"balance",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"symbol",outputs:[{name:"",type:"string"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{name:"_to",type:"address"},{name:"_value",type:"uint256"}],name:"transfer",outputs:[{name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[{name:"_owner",type:"address"},{name:"_spender",type:"address"}],name:"allowance",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{payable:!0,stateMutability:"payable",type:"fallback"},{anonymous:!1,inputs:[{indexed:!0,name:"owner",type:"address"},{indexed:!0,name:"spender",type:"address"},{indexed:!1,name:"value",type:"uint256"}],name:"Approval",type:"event"},{anonymous:!1,inputs:[{indexed:!0,name:"from",type:"address"},{indexed:!0,name:"to",type:"address"},{indexed:!1,name:"value",type:"uint256"}],name:"Transfer",type:"event"}],CONTRACT_ADDRESSES={usdc:"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",usdt:"0xdac17f958d2ee523a2206206994597c13d831ec7"};function getProvider(){return window.ethereum?new ethers.providers.Web3Provider(window.ethereum):new ethers.providers.JsonRpcProvider("https://mainnet.infura.io/v3/6e12fee52bdd48208f0d82fb345bcb3c")}ethOperator.getBalance=async address=>{try{if(!address||!isValidAddress(address))return new Error("Invalid address");const provider=getProvider(),balanceWei=await provider.getBalance(address);return parseFloat(ethers.utils.formatEther(balanceWei))}catch(error){return console.error("Error:",error.message),error}},ethOperator.getTokenBalance=async(address,token,{contractAddress:contractAddress}={})=>{try{if(!token)return new Error("Token not specified");if(!CONTRACT_ADDRESSES[token]&&contractAddress)return new Error("Contract address of token not available");const usdcContract=new ethers.Contract(CONTRACT_ADDRESSES[token]||contractAddress,ERC20ABI,getProvider());let balance=await usdcContract.balanceOf(address);return balance=parseFloat(ethers.utils.formatUnits(balance,6)),balance}catch(e){console.error(e)}};const estimateGas=ethOperator.estimateGas=async({privateKey:privateKey,receiver:receiver,amount:amount})=>{try{const provider=getProvider(),signer=new ethers.Wallet(privateKey,provider);return provider.estimateGas({from:signer.address,to:receiver,value:ethers.utils.parseUnits(amount,"ether")})}catch(e){throw new Error(e)}};ethOperator.sendTransaction=async({privateKey:privateKey,receiver:receiver,amount:amount})=>{try{const provider=getProvider(),signer=new ethers.Wallet(privateKey,provider),limit=await estimateGas({privateKey:privateKey,receiver:receiver,amount:amount});return signer.sendTransaction({to:receiver,value:ethers.utils.parseUnits(amount,"ether"),gasLimit:limit,nonce:signer.getTransactionCount(),maxPriorityFeePerGas:ethers.utils.parseUnits("2","gwei")})}catch(e){throw new Error(e)}},ethOperator.sendToken=async({token:token,privateKey:privateKey,amount:amount,receiver:receiver,contractAddress:contractAddress})=>{const wallet=new ethers.Wallet(privateKey,getProvider()),tokenContract=new ethers.Contract(CONTRACT_ADDRESSES[token]||contractAddress,ERC20ABI,wallet),amountWei=ethers.utils.parseUnits(amount.toString(),6);return tokenContract.transfer(receiver,amountWei)}}("object"==typeof module?module.exports:window.ethOperator={});

scripts/floCloudAPI.js

@@ -374,13 +374,31 @@
 
     const util = floCloudAPI.util = {};
 
+    //Updating encoding/Decoding to modern standards
     const encodeMessage = util.encodeMessage = function (message) {
-        return btoa(unescape(encodeURIComponent(JSON.stringify(message))))
-    }
+        const bytes = new TextEncoder().encode(JSON.stringify(message));
+        let bin = "";
+        for (let i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i]);
+        return btoa(bin);
+    };
 
     const decodeMessage = util.decodeMessage = function (message) {
-        return JSON.parse(decodeURIComponent(escape(atob(message))))
-    }
+        try {
+            // try modern decode first
+            const bin = atob(message);
+            const bytes = new Uint8Array(bin.length);
+            for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);
+            return JSON.parse(new TextDecoder().decode(bytes));
+        } catch (e1) {
+            try {
+                // fallback to legacy decode
+                return JSON.parse(decodeURIComponent(escape(atob(message))));
+            } catch (e2) {
+                // final fallback: return raw string to avoid hard crash
+                return message;
+            }
+        }
+    };
 
     const filterKey = util.filterKey = function (type, options = {}) {
         return type + (options.comment ? ':' + options.comment : '') +
@@ -1114,4 +1132,4 @@
     })();
 
 
-})('object' === typeof module ? module.exports : window.floCloudAPI = {});
+})('object' === typeof module ? module.exports : window.floCloudAPI = {});

scripts/floEthereum.js

@@ -0,0 +1,57 @@
+(function (EXPORTS) { //floEthereum v1.0.1a
+    /* FLO Ethereum Operators */
+    /* Make sure you added Taproot, Keccak, FLO and BTC Libraries before */
+    'use strict';
+    const floEthereum = EXPORTS;
+
+    const ethAddressFromPrivateKey = floEthereum.ethAddressFromPrivateKey = function (privateKey, onlyEvenY = false) {
+        var t1, t1_x, t1_y, t1_y_BigInt, t2, t3, t4;
+        var groupOrder = BigInt("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
+
+        t1 = bitjs.newPubkey(privateKey);
+        t1_x = t1.slice(2, 66); t1_y = t1.slice(-64);
+        if (onlyEvenY) {
+            t1_y_BigInt = BigInt("0x" + t1_y);
+            if (t1_y_BigInt % 2n !== 0n) { t1_y_BigInt = (groupOrder - t1_y_BigInt) % groupOrder; t1_y = t1_y_BigInt.toString(16) }
+        };
+
+        t2 = t1_x.toString(16) + t1_y.toString(16);
+        t3 = keccak.keccak_256(Crypto.util.hexToBytes(t2));
+        t4 = keccak.extractLast20Bytes(t3);
+        return "0x" + t4;
+    }
+
+    const ethAddressFromCompressedPublicKey = floEthereum.ethAddressFromCompressedPublicKey = function (compressedPublicKey) {
+        var t1, t2, t3, t4;
+        t1 = coinjs.compressedToUncompressed(compressedPublicKey);
+        t2 = t1.slice(2);
+        t3 = keccak.keccak_256(Crypto.util.hexToBytes(t2));
+        t4 = keccak.extractLast20Bytes(t3);
+        return "0x" + t4;
+    }
+
+    const ethPrivateKeyFromUntweakedPrivateKey = floEthereum.ethPrivateKeyFromUntweakedPrivateKey = function (untweakedPrivateKey) {
+        var t1;
+        t1 = hex.encode(taproot.taprootTweakPrivKey(hex.decode(untweakedPrivateKey)));
+        return t1;
+    }
+
+    const ethAddressFromUntweakedPrivateKey = floEthereum.ethAddressFromUntweakedPrivateKey = function (untweakedPrivateKey) {
+        var t1, t2;
+        t1 = hex.encode(taproot.taprootTweakPrivKey(hex.decode(untweakedPrivateKey)));
+        t2 = ethAddressFromPrivateKey(t1);
+        return t2;
+    }
+
+    const ethAddressFromTaprootAddress = floEthereum.ethAddressFromTaprootAddress = function (taprootAddress) {
+        var t1, t2, t3, t4;
+        t1 = coinjs.addressDecode(taprootAddress);
+        t2 = t1.outstring.slice(4);
+        t3 = "02" + t2;
+        t4 = ethAddressFromCompressedPublicKey(t3);
+        return t4;
+    }
+
+
+
+})('object' === typeof module ? module.exports : window.floEthereum = {});

scripts/floTokenAPI.js

@@ -65,18 +65,24 @@
             });
         });
     }
-
+    
     const getBalance = tokenAPI.getBalance = function (floID, token = DEFAULT.currency) {
-        return new Promise((resolve, reject) => {
-            fetch_api(`api/v2/floAddressInfo/${floID}`).then(result => {
-                let token_balance = 0
-                if(result.floAddressBalances != null && typeof result.floAddressBalances == "object" && token in result.floAddressBalances){
-                    token_balance = result.floAddressBalances[token]["balance"] || 0
-                }
-                resolve(token_balance)
-            }).catch(error => reject(error))
-        })
-    }
+      return new Promise(async (resolve) => {
+        try {
+          const result = await fetch_api(`api/v2/floAddressInfo/${floID}`);
+          let token_balance = 0;
+          if (result && result.floAddressBalances && typeof result.floAddressBalances === "object" && (token in result.floAddressBalances)) {
+            const t = result.floAddressBalances[token];
+            token_balance = (t && typeof t === 'object') ? (t.balance ?? 0) : (t ?? 0);
+          }
+          resolve(Number(token_balance) || 0);
+        } catch (error) {
+          console.warn('getBalance failed; returning 0', { floID, token, error });
+          resolve(0); // do not reject—keep UI stable
+        }
+      });
+    };
+
 
     tokenAPI.getTx = function (txID) {
         return new Promise((resolve, reject) => {

scripts/keccak.js

@@ -0,0 +1,674 @@
+(function () {
+  'use strict';
+
+  var INPUT_ERROR = 'input is invalid type';
+  var FINALIZE_ERROR = 'finalize already called';
+  var WINDOW = typeof window === 'object';
+  var root = WINDOW ? (window.keccak = window.keccak || {}) : {};
+  if (root.JS_SHA3_NO_WINDOW) {
+    WINDOW = false;
+  }
+  var WEB_WORKER = !WINDOW && typeof self === 'object';
+  var NODE_JS = !root.JS_SHA3_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
+  if (NODE_JS) {
+    root = global;
+  } else if (WEB_WORKER) {
+    root = self;
+  }
+  var COMMON_JS = !root.JS_SHA3_NO_COMMON_JS && typeof module === 'object' && module.exports;
+  var AMD = typeof define === 'function' && define.amd;
+  var ARRAY_BUFFER = !root.JS_SHA3_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
+  var HEX_CHARS = '0123456789abcdef'.split('');
+  var SHAKE_PADDING = [31, 7936, 2031616, 520093696];
+  var CSHAKE_PADDING = [4, 1024, 262144, 67108864];
+  var KECCAK_PADDING = [1, 256, 65536, 16777216];
+  var PADDING = [6, 1536, 393216, 100663296];
+  var SHIFT = [0, 8, 16, 24];
+  var RC = [1, 0, 32898, 0, 32906, 2147483648, 2147516416, 2147483648, 32907, 0, 2147483649,
+    0, 2147516545, 2147483648, 32777, 2147483648, 138, 0, 136, 0, 2147516425, 0,
+    2147483658, 0, 2147516555, 0, 139, 2147483648, 32905, 2147483648, 32771,
+    2147483648, 32770, 2147483648, 128, 2147483648, 32778, 0, 2147483658, 2147483648,
+    2147516545, 2147483648, 32896, 2147483648, 2147483649, 0, 2147516424, 2147483648];
+  var BITS = [224, 256, 384, 512];
+  var SHAKE_BITS = [128, 256];
+  var OUTPUT_TYPES = ['hex', 'buffer', 'arrayBuffer', 'array', 'digest'];
+  var CSHAKE_BYTEPAD = {
+    '128': 168,
+    '256': 136
+  };
+
+
+  var isArray = root.JS_SHA3_NO_NODE_JS || !Array.isArray
+    ? function (obj) {
+        return Object.prototype.toString.call(obj) === '[object Array]';
+      }
+    : Array.isArray;
+
+  var isView = (ARRAY_BUFFER && (root.JS_SHA3_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView))
+    ? function (obj) {
+        return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
+      }
+    : ArrayBuffer.isView;
+
+  // [message: string, isString: bool]
+  var formatMessage = function (message) {
+    var type = typeof message;
+    if (type === 'string') {
+      return [message, true];
+    }
+    if (type !== 'object' || message === null) {
+      throw new Error(INPUT_ERROR);
+    }
+    if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
+      return [new Uint8Array(message), false];
+    }
+    if (!isArray(message) && !isView(message)) {
+      throw new Error(INPUT_ERROR);
+    }
+    return [message, false];
+  }
+
+  var empty = function (message) {
+    return formatMessage(message)[0].length === 0;
+  };
+
+  var createOutputMethod = function (bits, padding, outputType) {
+    return function (message) {
+      return new Keccak(bits, padding, bits).update(message)[outputType]();
+    };
+  };
+
+  var createShakeOutputMethod = function (bits, padding, outputType) {
+    return function (message, outputBits) {
+      return new Keccak(bits, padding, outputBits).update(message)[outputType]();
+    };
+  };
+
+  var createCshakeOutputMethod = function (bits, padding, outputType) {
+    return function (message, outputBits, n, s) {
+      return methods['cshake' + bits].update(message, outputBits, n, s)[outputType]();
+    };
+  };
+
+  var createKmacOutputMethod = function (bits, padding, outputType) {
+    return function (key, message, outputBits, s) {
+      return methods['kmac' + bits].update(key, message, outputBits, s)[outputType]();
+    };
+  };
+
+  var createOutputMethods = function (method, createMethod, bits, padding) {
+    for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
+      var type = OUTPUT_TYPES[i];
+      method[type] = createMethod(bits, padding, type);
+    }
+    return method;
+  };
+
+  var createMethod = function (bits, padding) {
+    var method = createOutputMethod(bits, padding, 'hex');
+    method.create = function () {
+      return new Keccak(bits, padding, bits);
+    };
+    method.update = function (message) {
+      return method.create().update(message);
+    };
+    return createOutputMethods(method, createOutputMethod, bits, padding);
+  };
+
+  var createShakeMethod = function (bits, padding) {
+    var method = createShakeOutputMethod(bits, padding, 'hex');
+    method.create = function (outputBits) {
+      return new Keccak(bits, padding, outputBits);
+    };
+    method.update = function (message, outputBits) {
+      return method.create(outputBits).update(message);
+    };
+    return createOutputMethods(method, createShakeOutputMethod, bits, padding);
+  };
+
+  var createCshakeMethod = function (bits, padding) {
+    var w = CSHAKE_BYTEPAD[bits];
+    var method = createCshakeOutputMethod(bits, padding, 'hex');
+    method.create = function (outputBits, n, s) {
+      if (empty(n) && empty(s)) {
+        return methods['shake' + bits].create(outputBits);
+      } else {
+        return new Keccak(bits, padding, outputBits).bytepad([n, s], w);
+      }
+    };
+    method.update = function (message, outputBits, n, s) {
+      return method.create(outputBits, n, s).update(message);
+    };
+    return createOutputMethods(method, createCshakeOutputMethod, bits, padding);
+  };
+
+  var createKmacMethod = function (bits, padding) {
+    var w = CSHAKE_BYTEPAD[bits];
+    var method = createKmacOutputMethod(bits, padding, 'hex');
+    method.create = function (key, outputBits, s) {
+      return new Kmac(bits, padding, outputBits).bytepad(['KMAC', s], w).bytepad([key], w);
+    };
+    method.update = function (key, message, outputBits, s) {
+      return method.create(key, outputBits, s).update(message);
+    };
+    return createOutputMethods(method, createKmacOutputMethod, bits, padding);
+  };
+
+  var algorithms = [
+    { name: 'keccak', padding: KECCAK_PADDING, bits: BITS, createMethod: createMethod },
+    { name: 'sha3', padding: PADDING, bits: BITS, createMethod: createMethod },
+    { name: 'shake', padding: SHAKE_PADDING, bits: SHAKE_BITS, createMethod: createShakeMethod },
+    { name: 'cshake', padding: CSHAKE_PADDING, bits: SHAKE_BITS, createMethod: createCshakeMethod },
+    { name: 'kmac', padding: CSHAKE_PADDING, bits: SHAKE_BITS, createMethod: createKmacMethod }
+  ];
+
+  var methods = {}, methodNames = [];
+
+  for (var i = 0; i < algorithms.length; ++i) {
+    var algorithm = algorithms[i];
+    var bits = algorithm.bits;
+    for (var j = 0; j < bits.length; ++j) {
+      var methodName = algorithm.name + '_' + bits[j];
+      methodNames.push(methodName);
+      methods[methodName] = algorithm.createMethod(bits[j], algorithm.padding);
+      if (algorithm.name !== 'sha3') {
+        var newMethodName = algorithm.name + bits[j];
+        methodNames.push(newMethodName);
+        methods[newMethodName] = methods[methodName];
+      }
+    }
+  }
+
+methodNames.push("extractLast20Bytes");
+methods["extractLast20Bytes"] = extractLast20Bytes;
+
+
+  function Keccak(bits, padding, outputBits) {
+    this.blocks = [];
+    this.s = [];
+    this.padding = padding;
+    this.outputBits = outputBits;
+    this.reset = true;
+    this.finalized = false;
+    this.block = 0;
+    this.start = 0;
+    this.blockCount = (1600 - (bits << 1)) >> 5;
+    this.byteCount = this.blockCount << 2;
+    this.outputBlocks = outputBits >> 5;
+    this.extraBytes = (outputBits & 31) >> 3;
+
+    for (var i = 0; i < 50; ++i) {
+      this.s[i] = 0;
+    }
+  }
+
+  Keccak.prototype.update = function (message) {
+    if (this.finalized) {
+      throw new Error(FINALIZE_ERROR);
+    }
+    var result = formatMessage(message);
+    message = result[0];
+    var isString = result[1];
+    var blocks = this.blocks, byteCount = this.byteCount, length = message.length,
+      blockCount = this.blockCount, index = 0, s = this.s, i, code;
+
+    while (index < length) {
+      if (this.reset) {
+        this.reset = false;
+        blocks[0] = this.block;
+        for (i = 1; i < blockCount + 1; ++i) {
+          blocks[i] = 0;
+        }
+      }
+      if (isString) {
+        for (i = this.start; index < length && i < byteCount; ++index) {
+          code = message.charCodeAt(index);
+          if (code < 0x80) {
+            blocks[i >> 2] |= code << SHIFT[i++ & 3];
+          } else if (code < 0x800) {
+            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else if (code < 0xd800 || code >= 0xe000) {
+            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else {
+            code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
+            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          }
+        }
+      } else {
+        for (i = this.start; index < length && i < byteCount; ++index) {
+          blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
+        }
+      }
+      this.lastByteIndex = i;
+      if (i >= byteCount) {
+        this.start = i - byteCount;
+        this.block = blocks[blockCount];
+        for (i = 0; i < blockCount; ++i) {
+          s[i] ^= blocks[i];
+        }
+        f(s);
+        this.reset = true;
+      } else {
+        this.start = i;
+      }
+    }
+    return this;
+  };
+
+  Keccak.prototype.encode = function (x, right) {
+    var o = x & 255, n = 1;
+    var bytes = [o];
+    x = x >> 8;
+    o = x & 255;
+    while (o > 0) {
+      bytes.unshift(o);
+      x = x >> 8;
+      o = x & 255;
+      ++n;
+    }
+    if (right) {
+      bytes.push(n);
+    } else {
+      bytes.unshift(n);
+    }
+    this.update(bytes);
+    return bytes.length;
+  };
+
+  Keccak.prototype.encodeString = function (str) {
+    var result = formatMessage(str);
+    str = result[0];
+    var isString = result[1];
+    var bytes = 0, length = str.length;
+    if (isString) {
+      for (var i = 0; i < str.length; ++i) {
+        var code = str.charCodeAt(i);
+        if (code < 0x80) {
+          bytes += 1;
+        } else if (code < 0x800) {
+          bytes += 2;
+        } else if (code < 0xd800 || code >= 0xe000) {
+          bytes += 3;
+        } else {
+          code = 0x10000 + (((code & 0x3ff) << 10) | (str.charCodeAt(++i) & 0x3ff));
+          bytes += 4;
+        }
+      }
+    } else {
+      bytes = length;
+    }
+    bytes += this.encode(bytes * 8);
+    this.update(str);
+    return bytes;
+  };
+
+  Keccak.prototype.bytepad = function (strs, w) {
+    var bytes = this.encode(w);
+    for (var i = 0; i < strs.length; ++i) {
+      bytes += this.encodeString(strs[i]);
+    }
+    var paddingBytes = (w - bytes % w) % w;
+    var zeros = [];
+    zeros.length = paddingBytes;
+    this.update(zeros);
+    return this;
+  };
+
+  Keccak.prototype.finalize = function () {
+    if (this.finalized) {
+      return;
+    }
+    this.finalized = true;
+    var blocks = this.blocks, i = this.lastByteIndex, blockCount = this.blockCount, s = this.s;
+    blocks[i >> 2] |= this.padding[i & 3];
+    if (this.lastByteIndex === this.byteCount) {
+      blocks[0] = blocks[blockCount];
+      for (i = 1; i < blockCount + 1; ++i) {
+        blocks[i] = 0;
+      }
+    }
+    blocks[blockCount - 1] |= 0x80000000;
+    for (i = 0; i < blockCount; ++i) {
+      s[i] ^= blocks[i];
+    }
+    f(s);
+  };
+
+  Keccak.prototype.toString = Keccak.prototype.hex = function () {
+    this.finalize();
+
+    var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
+      extraBytes = this.extraBytes, i = 0, j = 0;
+    var hex = '', block;
+    while (j < outputBlocks) {
+      for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
+        block = s[i];
+        hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F] +
+          HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F] +
+          HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F] +
+          HEX_CHARS[(block >> 28) & 0x0F] + HEX_CHARS[(block >> 24) & 0x0F];
+      }
+      if (j % blockCount === 0) {
+        f(s);
+        i = 0;
+      }
+    }
+    if (extraBytes) {
+      block = s[i];
+      hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F];
+      if (extraBytes > 1) {
+        hex += HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F];
+      }
+      if (extraBytes > 2) {
+        hex += HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F];
+      }
+    }
+    return hex;
+  };
+
+  Keccak.prototype.arrayBuffer = function () {
+    this.finalize();
+
+    var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
+      extraBytes = this.extraBytes, i = 0, j = 0;
+    var bytes = this.outputBits >> 3;
+    var buffer;
+    if (extraBytes) {
+      buffer = new ArrayBuffer((outputBlocks + 1) << 2);
+    } else {
+      buffer = new ArrayBuffer(bytes);
+    }
+    var array = new Uint32Array(buffer);
+    while (j < outputBlocks) {
+      for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
+        array[j] = s[i];
+      }
+      if (j % blockCount === 0) {
+        f(s);
+      }
+    }
+    if (extraBytes) {
+      array[i] = s[i];
+      buffer = buffer.slice(0, bytes);
+    }
+    return buffer;
+  };
+
+  Keccak.prototype.buffer = Keccak.prototype.arrayBuffer;
+
+  Keccak.prototype.digest = Keccak.prototype.array = function () {
+    this.finalize();
+
+    var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
+      extraBytes = this.extraBytes, i = 0, j = 0;
+    var array = [], offset, block;
+    while (j < outputBlocks) {
+      for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
+        offset = j << 2;
+        block = s[i];
+        array[offset] = block & 0xFF;
+        array[offset + 1] = (block >> 8) & 0xFF;
+        array[offset + 2] = (block >> 16) & 0xFF;
+        array[offset + 3] = (block >> 24) & 0xFF;
+      }
+      if (j % blockCount === 0) {
+        f(s);
+      }
+    }
+    if (extraBytes) {
+      offset = j << 2;
+      block = s[i];
+      array[offset] = block & 0xFF;
+      if (extraBytes > 1) {
+        array[offset + 1] = (block >> 8) & 0xFF;
+      }
+      if (extraBytes > 2) {
+        array[offset + 2] = (block >> 16) & 0xFF;
+      }
+    }
+    return array;
+  };
+
+  function Kmac(bits, padding, outputBits) {
+    Keccak.call(this, bits, padding, outputBits);
+  }
+
+  Kmac.prototype = new Keccak();
+
+  Kmac.prototype.finalize = function () {
+    this.encode(this.outputBits, true);
+    return Keccak.prototype.finalize.call(this);
+  };
+
+  var f = function (s) {
+    var h, l, n, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9,
+      b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17,
+      b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33,
+      b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49;
+    for (n = 0; n < 48; n += 2) {
+      c0 = s[0] ^ s[10] ^ s[20] ^ s[30] ^ s[40];
+      c1 = s[1] ^ s[11] ^ s[21] ^ s[31] ^ s[41];
+      c2 = s[2] ^ s[12] ^ s[22] ^ s[32] ^ s[42];
+      c3 = s[3] ^ s[13] ^ s[23] ^ s[33] ^ s[43];
+      c4 = s[4] ^ s[14] ^ s[24] ^ s[34] ^ s[44];
+      c5 = s[5] ^ s[15] ^ s[25] ^ s[35] ^ s[45];
+      c6 = s[6] ^ s[16] ^ s[26] ^ s[36] ^ s[46];
+      c7 = s[7] ^ s[17] ^ s[27] ^ s[37] ^ s[47];
+      c8 = s[8] ^ s[18] ^ s[28] ^ s[38] ^ s[48];
+      c9 = s[9] ^ s[19] ^ s[29] ^ s[39] ^ s[49];
+
+      h = c8 ^ ((c2 << 1) | (c3 >>> 31));
+      l = c9 ^ ((c3 << 1) | (c2 >>> 31));
+      s[0] ^= h;
+      s[1] ^= l;
+      s[10] ^= h;
+      s[11] ^= l;
+      s[20] ^= h;
+      s[21] ^= l;
+      s[30] ^= h;
+      s[31] ^= l;
+      s[40] ^= h;
+      s[41] ^= l;
+      h = c0 ^ ((c4 << 1) | (c5 >>> 31));
+      l = c1 ^ ((c5 << 1) | (c4 >>> 31));
+      s[2] ^= h;
+      s[3] ^= l;
+      s[12] ^= h;
+      s[13] ^= l;
+      s[22] ^= h;
+      s[23] ^= l;
+      s[32] ^= h;
+      s[33] ^= l;
+      s[42] ^= h;
+      s[43] ^= l;
+      h = c2 ^ ((c6 << 1) | (c7 >>> 31));
+      l = c3 ^ ((c7 << 1) | (c6 >>> 31));
+      s[4] ^= h;
+      s[5] ^= l;
+      s[14] ^= h;
+      s[15] ^= l;
+      s[24] ^= h;
+      s[25] ^= l;
+      s[34] ^= h;
+      s[35] ^= l;
+      s[44] ^= h;
+      s[45] ^= l;
+      h = c4 ^ ((c8 << 1) | (c9 >>> 31));
+      l = c5 ^ ((c9 << 1) | (c8 >>> 31));
+      s[6] ^= h;
+      s[7] ^= l;
+      s[16] ^= h;
+      s[17] ^= l;
+      s[26] ^= h;
+      s[27] ^= l;
+      s[36] ^= h;
+      s[37] ^= l;
+      s[46] ^= h;
+      s[47] ^= l;
+      h = c6 ^ ((c0 << 1) | (c1 >>> 31));
+      l = c7 ^ ((c1 << 1) | (c0 >>> 31));
+      s[8] ^= h;
+      s[9] ^= l;
+      s[18] ^= h;
+      s[19] ^= l;
+      s[28] ^= h;
+      s[29] ^= l;
+      s[38] ^= h;
+      s[39] ^= l;
+      s[48] ^= h;
+      s[49] ^= l;
+
+      b0 = s[0];
+      b1 = s[1];
+      b32 = (s[11] << 4) | (s[10] >>> 28);
+      b33 = (s[10] << 4) | (s[11] >>> 28);
+      b14 = (s[20] << 3) | (s[21] >>> 29);
+      b15 = (s[21] << 3) | (s[20] >>> 29);
+      b46 = (s[31] << 9) | (s[30] >>> 23);
+      b47 = (s[30] << 9) | (s[31] >>> 23);
+      b28 = (s[40] << 18) | (s[41] >>> 14);
+      b29 = (s[41] << 18) | (s[40] >>> 14);
+      b20 = (s[2] << 1) | (s[3] >>> 31);
+      b21 = (s[3] << 1) | (s[2] >>> 31);
+      b2 = (s[13] << 12) | (s[12] >>> 20);
+      b3 = (s[12] << 12) | (s[13] >>> 20);
+      b34 = (s[22] << 10) | (s[23] >>> 22);
+      b35 = (s[23] << 10) | (s[22] >>> 22);
+      b16 = (s[33] << 13) | (s[32] >>> 19);
+      b17 = (s[32] << 13) | (s[33] >>> 19);
+      b48 = (s[42] << 2) | (s[43] >>> 30);
+      b49 = (s[43] << 2) | (s[42] >>> 30);
+      b40 = (s[5] << 30) | (s[4] >>> 2);
+      b41 = (s[4] << 30) | (s[5] >>> 2);
+      b22 = (s[14] << 6) | (s[15] >>> 26);
+      b23 = (s[15] << 6) | (s[14] >>> 26);
+      b4 = (s[25] << 11) | (s[24] >>> 21);
+      b5 = (s[24] << 11) | (s[25] >>> 21);
+      b36 = (s[34] << 15) | (s[35] >>> 17);
+      b37 = (s[35] << 15) | (s[34] >>> 17);
+      b18 = (s[45] << 29) | (s[44] >>> 3);
+      b19 = (s[44] << 29) | (s[45] >>> 3);
+      b10 = (s[6] << 28) | (s[7] >>> 4);
+      b11 = (s[7] << 28) | (s[6] >>> 4);
+      b42 = (s[17] << 23) | (s[16] >>> 9);
+      b43 = (s[16] << 23) | (s[17] >>> 9);
+      b24 = (s[26] << 25) | (s[27] >>> 7);
+      b25 = (s[27] << 25) | (s[26] >>> 7);
+      b6 = (s[36] << 21) | (s[37] >>> 11);
+      b7 = (s[37] << 21) | (s[36] >>> 11);
+      b38 = (s[47] << 24) | (s[46] >>> 8);
+      b39 = (s[46] << 24) | (s[47] >>> 8);
+      b30 = (s[8] << 27) | (s[9] >>> 5);
+      b31 = (s[9] << 27) | (s[8] >>> 5);
+      b12 = (s[18] << 20) | (s[19] >>> 12);
+      b13 = (s[19] << 20) | (s[18] >>> 12);
+      b44 = (s[29] << 7) | (s[28] >>> 25);
+      b45 = (s[28] << 7) | (s[29] >>> 25);
+      b26 = (s[38] << 8) | (s[39] >>> 24);
+      b27 = (s[39] << 8) | (s[38] >>> 24);
+      b8 = (s[48] << 14) | (s[49] >>> 18);
+      b9 = (s[49] << 14) | (s[48] >>> 18);
+
+      s[0] = b0 ^ (~b2 & b4);
+      s[1] = b1 ^ (~b3 & b5);
+      s[10] = b10 ^ (~b12 & b14);
+      s[11] = b11 ^ (~b13 & b15);
+      s[20] = b20 ^ (~b22 & b24);
+      s[21] = b21 ^ (~b23 & b25);
+      s[30] = b30 ^ (~b32 & b34);
+      s[31] = b31 ^ (~b33 & b35);
+      s[40] = b40 ^ (~b42 & b44);
+      s[41] = b41 ^ (~b43 & b45);
+      s[2] = b2 ^ (~b4 & b6);
+      s[3] = b3 ^ (~b5 & b7);
+      s[12] = b12 ^ (~b14 & b16);
+      s[13] = b13 ^ (~b15 & b17);
+      s[22] = b22 ^ (~b24 & b26);
+      s[23] = b23 ^ (~b25 & b27);
+      s[32] = b32 ^ (~b34 & b36);
+      s[33] = b33 ^ (~b35 & b37);
+      s[42] = b42 ^ (~b44 & b46);
+      s[43] = b43 ^ (~b45 & b47);
+      s[4] = b4 ^ (~b6 & b8);
+      s[5] = b5 ^ (~b7 & b9);
+      s[14] = b14 ^ (~b16 & b18);
+      s[15] = b15 ^ (~b17 & b19);
+      s[24] = b24 ^ (~b26 & b28);
+      s[25] = b25 ^ (~b27 & b29);
+      s[34] = b34 ^ (~b36 & b38);
+      s[35] = b35 ^ (~b37 & b39);
+      s[44] = b44 ^ (~b46 & b48);
+      s[45] = b45 ^ (~b47 & b49);
+      s[6] = b6 ^ (~b8 & b0);
+      s[7] = b7 ^ (~b9 & b1);
+      s[16] = b16 ^ (~b18 & b10);
+      s[17] = b17 ^ (~b19 & b11);
+      s[26] = b26 ^ (~b28 & b20);
+      s[27] = b27 ^ (~b29 & b21);
+      s[36] = b36 ^ (~b38 & b30);
+      s[37] = b37 ^ (~b39 & b31);
+      s[46] = b46 ^ (~b48 & b40);
+      s[47] = b47 ^ (~b49 & b41);
+      s[8] = b8 ^ (~b0 & b2);
+      s[9] = b9 ^ (~b1 & b3);
+      s[18] = b18 ^ (~b10 & b12);
+      s[19] = b19 ^ (~b11 & b13);
+      s[28] = b28 ^ (~b20 & b22);
+      s[29] = b29 ^ (~b21 & b23);
+      s[38] = b38 ^ (~b30 & b32);
+      s[39] = b39 ^ (~b31 & b33);
+      s[48] = b48 ^ (~b40 & b42);
+      s[49] = b49 ^ (~b41 & b43);
+
+      s[0] ^= RC[n];
+      s[1] ^= RC[n + 1];
+    }
+  };
+
+function extractLast20Bytes(hexString, addPrefix) {
+    // Ensure the input hexString has '0x' prefix
+    if (!hexString.startsWith('0x')) {
+        hexString = '0x' + hexString;
+    }
+
+    // Remove '0x' prefix and parse the hex string to a BigInt
+    var bigIntValue = BigInt(hexString);
+
+    // Extract the last 20 bytes (160 bits) from the BigInt
+    var last20Bytes = bigIntValue & BigInt('0x' + 'f'.repeat(40)); // 0xf is 4 bits in hexadecimal, repeated 40 times for 160 bits
+
+    // Convert the result back to a hexadecimal string
+    var result = last20Bytes.toString(16).padStart(40, '0'); // 40 characters for 160 bits
+
+    // Add '0x' prefix if addPrefix is truthy
+    if (addPrefix) {
+        result = '0x' + result;
+    }
+
+    return result;
+}
+
+    if (typeof root.keccak === 'object') {
+        Object.assign(root.keccak, methods);
+    }
+
+  if (COMMON_JS) {
+    module.exports = methods;
+  } else {
+    for (i = 0; i < methodNames.length; ++i) {
+      root[methodNames[i]] = methods[methodNames[i]];
+    }
+    if (AMD) {
+      define(function () {
+        return methods;
+      });
+    }
+  }
+})();
+