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scripts/ethOperator.js
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344
scripts/ethOperator.js
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(function (EXPORTS) { //ethOperator v1.0.2
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/* ETH Crypto and API Operator */
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if (!window.ethers)
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return console.error('ethers.js not found')
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const ethOperator = EXPORTS;
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const isValidAddress = ethOperator.isValidAddress = (address) => {
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try {
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// Check if the address is a valid checksum address
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const isValidChecksum = ethers.utils.isAddress(address);
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// Check if the address is a valid non-checksum address
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const isValidNonChecksum = ethers.utils.getAddress(address) === address.toLowerCase();
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return isValidChecksum || isValidNonChecksum;
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} catch (error) {
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return false;
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}
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}
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const ERC20ABI = [
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{
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"constant": true,
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"inputs": [],
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"name": "name",
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"outputs": [
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{
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"name": "",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_spender",
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"type": "address"
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},
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{
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"name": "_value",
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"type": "uint256"
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}
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],
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"name": "approve",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "totalSupply",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_from",
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"type": "address"
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},
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_value",
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"type": "uint256"
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}
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],
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"name": "transferFrom",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "decimals",
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"outputs": [
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{
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"name": "",
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"type": "uint8"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_owner",
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"type": "address"
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}
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],
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"name": "balanceOf",
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"outputs": [
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{
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"name": "balance",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "symbol",
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"outputs": [
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{
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"name": "",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_value",
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"type": "uint256"
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}
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],
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"name": "transfer",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_owner",
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"type": "address"
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},
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{
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"name": "_spender",
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"type": "address"
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}
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],
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"name": "allowance",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"payable": true,
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"stateMutability": "payable",
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"type": "fallback"
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},
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{
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"anonymous": false,
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"inputs": [
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{
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"indexed": true,
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"name": "owner",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "spender",
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"type": "address"
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},
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{
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"indexed": false,
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"name": "value",
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"type": "uint256"
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}
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],
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"name": "Approval",
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"type": "event"
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},
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{
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"anonymous": false,
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"inputs": [
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{
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"indexed": true,
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"name": "from",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "to",
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"type": "address"
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},
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{
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"indexed": false,
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"name": "value",
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"type": "uint256"
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}
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],
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"name": "Transfer",
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"type": "event"
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}
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]
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const CONTRACT_ADDRESSES = {
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usdc: "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
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usdt: "0xdac17f958d2ee523a2206206994597c13d831ec7"
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}
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function getProvider() {
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// switches provider based on whether the user is using MetaMask or not
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if (window.ethereum) {
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return new ethers.providers.Web3Provider(window.ethereum);
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} else {
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return new ethers.providers.JsonRpcProvider(`https://mainnet.infura.io/v3/6e12fee52bdd48208f0d82fb345bcb3c`)
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}
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}
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function connectToMetaMask() {
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return new Promise((resolve, reject) => {
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// if (typeof window.ethereum === "undefined")
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// return reject("MetaMask not installed");
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return resolve(true)
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ethereum
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.request({ method: 'eth_requestAccounts' })
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.then((accounts) => {
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console.log('Connected to MetaMask')
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return resolve(accounts)
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})
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.catch((err) => {
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console.log(err)
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return reject(err)
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})
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})
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}
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// connectToMetaMask();
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const getBalance = ethOperator.getBalance = async (address) => {
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try {
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if (!address || !isValidAddress(address))
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return new Error('Invalid address');
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// Get the balance
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const provider = getProvider();
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const balanceWei = await provider.getBalance(address);
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const balanceEth = parseFloat(ethers.utils.formatEther(balanceWei));
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return balanceEth;
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} catch (error) {
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console.error('Error:', error.message);
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return error;
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}
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}
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const getTokenBalance = ethOperator.getTokenBalance = async (address, token, { contractAddress } = {}) => {
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try {
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// if (!window.ethereum.isConnected()) {
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// await connectToMetaMask();
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// }
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if (!token)
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return new Error("Token not specified");
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if (!CONTRACT_ADDRESSES[token] && contractAddress)
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return new Error('Contract address of token not available')
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const usdcContract = new ethers.Contract(CONTRACT_ADDRESSES[token] || contractAddress, ERC20ABI, getProvider());
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let balance = await usdcContract.balanceOf(address);
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balance = parseFloat(ethers.utils.formatUnits(balance, 6)); // Assuming 6 decimals
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return balance;
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} catch (e) {
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console.error(e);
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}
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}
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const estimateGas = ethOperator.estimateGas = async ({ privateKey, receiver, amount }) => {
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try {
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const provider = getProvider();
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const signer = new ethers.Wallet(privateKey, provider);
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return provider.estimateGas({
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from: signer.address,
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to: receiver,
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value: ethers.utils.parseUnits(amount, "ether"),
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});
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} catch (e) {
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throw new Error(e)
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}
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}
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const sendTransaction = ethOperator.sendTransaction = async ({ privateKey, receiver, amount }) => {
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try {
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const provider = getProvider();
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const signer = new ethers.Wallet(privateKey, provider);
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const limit = await estimateGas({ privateKey, receiver, amount })
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// Creating and sending the transaction object
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return signer.sendTransaction({
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to: receiver,
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value: ethers.utils.parseUnits(amount, "ether"),
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gasLimit: limit,
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nonce: signer.getTransactionCount(),
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maxPriorityFeePerGas: ethers.utils.parseUnits("2", "gwei"),
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})
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} catch (e) {
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throw new Error(e)
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}
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}
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const sendToken = ethOperator.sendToken = async ({ token, privateKey, amount, receiver, contractAddress }) => {
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// Create a wallet using the private key
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const wallet = new ethers.Wallet(privateKey, getProvider());
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// Contract interface
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const tokenContract = new ethers.Contract(CONTRACT_ADDRESSES[token] || contractAddress, ERC20ABI, wallet);
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// Convert the amount to the smallest unit of USDC (wei)
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const amountWei = ethers.utils.parseUnits(amount.toString(), 6); // Assuming 6 decimals for USDC
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// Call the transfer function on the USDC contract
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return tokenContract.transfer(receiver, amountWei)
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}
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})('object' === typeof module ? module.exports : window.ethOperator = {});
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1
scripts/ethOperator.min.js
vendored
Normal file
1
scripts/ethOperator.min.js
vendored
Normal file
@ -0,0 +1 @@
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!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={});
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1
scripts/ether.umd.min.js
vendored
Normal file
1
scripts/ether.umd.min.js
vendored
Normal file
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scripts/floEthereum.js
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scripts/floEthereum.js
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(function (EXPORTS) { //floEthereum v1.0.1a
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/* FLO Ethereum Operators */
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/* Make sure you added Taproot, Keccak, FLO and BTC Libraries before */
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'use strict';
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const floEthereum = EXPORTS;
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const ethAddressFromPrivateKey = floEthereum.ethAddressFromPrivateKey = function (privateKey, onlyEvenY = false) {
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var t1, t1_x, t1_y, t1_y_BigInt, t2, t3, t4;
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var groupOrder = BigInt("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
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t1 = bitjs.newPubkey(privateKey);
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t1_x = t1.slice(2, 66); t1_y = t1.slice(-64);
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if (onlyEvenY) {
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t1_y_BigInt = BigInt("0x" + t1_y);
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if (t1_y_BigInt % 2n !== 0n) { t1_y_BigInt = (groupOrder - t1_y_BigInt) % groupOrder; t1_y = t1_y_BigInt.toString(16) }
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};
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t2 = t1_x.toString(16) + t1_y.toString(16);
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t3 = keccak.keccak_256(Crypto.util.hexToBytes(t2));
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t4 = keccak.extractLast20Bytes(t3);
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return "0x" + t4;
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}
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const ethAddressFromCompressedPublicKey = floEthereum.ethAddressFromCompressedPublicKey = function (compressedPublicKey) {
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var t1, t2, t3, t4;
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t1 = coinjs.compressedToUncompressed(compressedPublicKey);
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t2 = t1.slice(2);
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t3 = keccak.keccak_256(Crypto.util.hexToBytes(t2));
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t4 = keccak.extractLast20Bytes(t3);
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return "0x" + t4;
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}
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const ethPrivateKeyFromUntweakedPrivateKey = floEthereum.ethPrivateKeyFromUntweakedPrivateKey = function (untweakedPrivateKey) {
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var t1;
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t1 = hex.encode(taproot.taprootTweakPrivKey(hex.decode(untweakedPrivateKey)));
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return t1;
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}
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const ethAddressFromUntweakedPrivateKey = floEthereum.ethAddressFromUntweakedPrivateKey = function (untweakedPrivateKey) {
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var t1, t2;
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t1 = hex.encode(taproot.taprootTweakPrivKey(hex.decode(untweakedPrivateKey)));
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t2 = ethAddressFromPrivateKey(t1);
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return t2;
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}
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const ethAddressFromTaprootAddress = floEthereum.ethAddressFromTaprootAddress = function (taprootAddress) {
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var t1, t2, t3, t4;
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t1 = coinjs.addressDecode(taprootAddress);
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t2 = t1.outstring.slice(4);
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t3 = "02" + t2;
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t4 = ethAddressFromCompressedPublicKey(t3);
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return t4;
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}
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})('object' === typeof module ? module.exports : window.floEthereum = {});
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Reference in New Issue
Block a user