Michael A Poole REMOTE WORK CV/Bio specially constructed website in compliance with teaching by Gregory at Blockchain University. My credentials are MASCE, MASME, MIEEE, MIET, MBCS, ACIARB, BSC, AGED 60, CANADIAN/BRITISH/JERSEY. My_Relatives


My other job...


My second other job...

Please contact me initiallly via LinkedIn for job offers. Remote working and joint ventures will both be considered. This site gets a lot of traffic so act fast. Thanks.

www.linkedin.com/in/poole-dapps

job

This is more of a work/employment based website now with links to LinkedIn.com for some truth about me and Dapp University where I took a course in dropping NFTs for prospective employers/contractors and have now enrolled in Blockchain Mastery University.

Also there will be a link to a smart contract I deployed to the main ethereum blockchain for a full gas fee payment with Metamask verified for another full gas fee in memory of my Dad who died during my training.





0x087E2866E8880ED926AE53d6EeEeAB91cC88cC79
ArthurPoole19262021 ethereum blockchain verified contract memorial

https://ropsten.etherscan.io/address/0x087e2866e8880ed926ae53d6eeeeab91cc88cc79
same sort of thing on the Ropsten testnet for my gradad LeopoldBenNussbaumVRothschild18871958 contract memorial

https://ropsten.etherscan.io/address/0x06dfa47f8e5cd0a481352bcb959f72e4db1dc7b9
and PaulaBatSimonVBaer19041977

My plan is to build out a simple front end for both of the above two ropsten front ends also on ropsten. A lot of people have some sort of ropsten chain access or can easily get it including any potential employers.

require('dotenv').config() const express = require('express') const http = require('http') const Web3 = require('web3') // SERVER CONFIG const PORT = process.env.PORT || 4000 const app = express(); const server = http.createServer(app).listen(PORT, () => console.log(`Listening on ${ PORT }`)) // WEB3 CONFIG const web3 = new Web3(process.env.RPC_URL) const Poole_FACTORY_ABI =[{"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":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"account","type":"address"}],"name":"isPauser","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renouncePauser","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"account","type":"address"}],"name":"addPauser","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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"},{"inputs":[{"name":"name","type":"string"},{"name":"symbol","type":"string"},{"name":"decimals","type":"uint8"},{"name":"totalSupply","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"account","type":"address"}],"name":"PauserAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"account","type":"address"}],"name":"PauserRemoved","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"},{"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"}] const Poole_FACTORY_ADDRESS = '0x7D1AfA7B718fb893dB30A3aBc0Cfc608AaCfeBB0' const pooleContract = new web3.eth.Contract(Poole_FACTORY_ABI, Poole_FACTORY_ADDRESS) pooleContract.methods.totalSupply().call().then(console.log)
Some simple legal front end I built to the standard ERC20 contract.

// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory POOLE, string memory POOL) { _name = POOLE; _symbol = POOL; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
Some simple ERC-20 open zeppelin code I tried to compile on Remix that I knew would fail to compile because the import dependencies at the top of the code were not available for POOLE coin symbol POOL.
I decided not to compile it on a testnet or deploy it on one previously. The name therefore does not live on because it did not compile and deploy. It taught me a good lesson though and might get me a job one day hence this textarea block.

Metadata of "buckinghampalaceowner" was published successfully. metadata.json : dweb:/ipfs/QmQhhyceAA7FpvdLNYieFGHCuZiiQT8KmCq4yWQnheeZMy // SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.7.0 <0.9.0; /** * @title Owner * @dev Set & change owner */ contract BuckinghamPalaceOwner { address private owner; // event for EVM logging event OwnerSet(address indexed oldOwner, address indexed newOwner); // modifier to check if caller is owner modifier isOwner() { // If the first argument of 'require' evaluates to 'false', execution terminates and all // changes to the state and to Ether balances are reverted. // This used to consume all gas in old EVM versions, but not anymore. // It is often a good idea to use 'require' to check if functions are called correctly. // As a second argument, you can also provide an explanation about what went wrong. require(msg.sender == owner, "Caller is not owner"); _; } /** * @dev Set contract deployer as owner */ constructor() { owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor emit OwnerSet(address(0), owner); } /** * @dev Change owner * @param newOwner address of new owner */ function changeOwner(address newOwner) public isOwner { emit OwnerSet(owner, newOwner); owner = newOwner; } /** * @dev Return owner address * @return address of owner */ function getOwner() external view returns (address) { return owner; } }

This one got published for good to the IPFS. As you can see it can be used to change over the owner of Buckingham Palace if required.
Probably legal is all I can really say about it.

To follow on from my tech Dad for US$500 I will put a solidity Dapp contract on the ethereum blockchain for whatever word clients want as a contract word instead of ArthurPoole19262021 and supply two ipfs links with your data as permanent evidence and a permanent record.

I built the memorial on Remix saving the IPFS links for bytecode and abi json I verified on etherscan with an ethereum loaded metamask account and the injected web3 setting in Remix.

My next job is to repeat similar in truffle on a testnet like rinkeby in the youtube above to get more IPFS links for new bytecode and abi json and a contract address. Not sure if the rinkeby contract address is good for etherscan though. Yes it is I just found out on rinkeby.etherscan.io with the rinkeby contract deployment address from Remix...

A second project I have completed is a price bot measuring the MKR coin price every 3 seconds. It uses the Infura network to join up with the Ethereum Virtual Machine on the Ethereum Blockchain and works even with the package-lock.json dependencies file deleted!


I participated in this tutorial today too. You can see my name in parts of the chat replay.

As my dear old Dad always used to say:- 'Ear all, see all, say nowt; Eat all, sup all, pay nowt; And if ivver tha does owt fer nowt – Allus do it fer thissen.'


I have studied this Moralis tutorial as well and see it as an effective way of more easily integrating data bases into Dapps and getting up to speed on projects in double quick time.


Potential employers could pay me to do any of the above for them maybe...think about it.


Advice on how to get a blockchain job...

This is my new little interface with the world I have decided. All the other sites get too much traffic. It's all just commercial on them. The Ethereum 2 merger is on the way in early June apparently. A really interesting scientific event. Too much exposure from the traffic can burn you out in the end I have decided so I am easing myself out of public life on them. nfts4mp3s is a site I might build for my musical band friends now. Not that many people have both musical artist skills and nft solidity skills I have discovered. There are two ways. Either you as a musical artist sell out your mp3 100% to the nft solidity programmer for cash done and dusted or you split 50/50 the income from the solidity nft with the programmer like me. So for myself I either split 50/50 with myself of pay myself a wad to buy out my own mp3 rights. An nft drop is often done for 5 or 10,000 different bits of artwork, but doing an nft for a kind of total number of minted coins issued of one is the way on I think unless it's legal to issue 10,000 exact mp3 copies which I don't think it is. All 10,000 of whatever it is have to be a bit different I think. Hopefully the band will figure it out in a general way. I got two back ends validated on ropsten today. Now the bytecode is out there I guess all I wanted was the abi json and web3.js or ethers.js and some javascript and an url somewhere. It's been a good day. Opensea automatically detects the nft you mint in your wallet and Spotify is rumoured to be starting to list nfts soon. Band members reading this take note. Means once you mint your nft the whole music marketing industry kind of takes over in a way by itself I think. You can inport 721 openzeppelin code diectly into your .sol file in Remix too so with your mp3 on Ipfs already and your Ipfs link in your .sol file in Remix gas charges might well be your only cost I think. 2 figures in dollars basically. Not many mp3 music artists also know erc-721 dapp technology is the thing. You do seem to be allowed to import a web3.js min url directly into a browser js file with <sript> tags with abi json imported on the next line. Then it looks like a bit of byte code if you are not using ethers.js, some code, and you wait around a few days to be picked up by Open Sea who are offering 1mill contracts for security ethical hackers by the way they say if anyone is up for it.

I released an nft mp3 on OpenSea at this link, my first NFT really after all these months of learning.

Face-Tube.Com



Some back end work I did recently
Some code I compiled for PooleCoin successfully but did not deploy <br><br> var total = /* var of type uint256 here */ ; var poolecoinContract = new web3.eth.Contract([{"inputs":[{"internalType":"uint256","name":"total","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenOwner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"delegate","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"buyer","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]); var poolecoin = poolecoinContract.deploy({ data: '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arguments: [ total, ] }).send({ from: web3.eth.accounts[0], gas: '4700000' }, function (e, contract){ console.log(e, contract); if (typeof contract.address !== 'undefined') { console.log('Contract mined! address: ' + contract.address + ' transactionHash: ' + contract.transactionHash); } }) <br><br>
Some front end work I did recently
Some code I put together for getting the latext block details on the ethereum blockchain and the results...(and a random Hex). web3.eth.getBlock('latest').then(console.log) Promise { <pending>, domain: Domain { domain: null, _events: [Object: null prototype] { removeListener: [Function: updateExceptionCapture], newListener: [Function: updateExceptionCapture], error: [Function: debugDomainError] }, _eventsCount: 3, _maxListeners: undefined, members: [], [Symbol(kWeak)]: WeakReference {} } } > > > > console.log(web3.utils.randomHex(32)){ baseFeePerGas: 100000000, epochSnarkData: null, extraData: '0xd983010700846765746889676f312e31372e3133856c696e7578000000000000f8ccc0c080b8418161d25c2a5d6964868b987c9f6ec7cc9c104264a17541e34eebae8656de4a125fec0c78d0fc6b7529bb5a257cdb5a69c3708c9d7456ff1beb07aa3122b6cdff01f8418e3a0d81726ffb5cffdeefd3ffab6db0fe6297c0b4b435109d7673e45a72a1a6dd4addad4dc289a42d94c81f04a5cc94f24e23c66dfb5da11cb81ed4a9b09f0080f8418e3fffefffffffffffffffffffffffb0e2a752d46ca16250c8937a4edf2ed535316bf86c5029b08f2196a826ec73190d5eb352e66c999ae28ac92e67ccc9838180', gasLimit: 20000000, gasUsed: 11501598, hash: '0xaf7ac6996e6eca4493cb8c442e01380b44af8af17d80c35a9dbc8321935ebc52', logsBloom: '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', miner: '0x32dA3AED76afFE5835DB1fEF289Aa6cf0B51cFf9', number: 16498889, parentHash: '0x31540118690487df451d4aea37ce93333346cc0c9ef016f8cd5098c2292e96e9', randomness: { committed: '0xa21ef63c75648874fb99834e5953a9d30cc9f2043a6c723f71c5b2d9e39c238a', revealed: '0x824820c56281e0eed1204d010c8cd0674e8e342fdab1dc5dd5a2cafec8493fe1' }, receiptsRoot: '0xf5204b59f93a4ec637ce943ae43e5f7d5a137845cc25e54b7270524518968908', size: 41012, stateRoot: '0xd8cf355ad72c6a0bea5d9c477092fe9d90fedf0e2f80e922e0404141cff3ca2b', timestamp: 1670162460, totalDifficulty: '16498890', transactions: [ '0x0de90fcf20ff45fdc9eeba1b617fcf28604e0f6bdd808fd23b433da3a7058844', '0x9997a55acf99c19bdb6820148c232e526e6a7b173c2bb6d4cceeb3c38d980505', '0xc36ac72c78995f7f4a0dd1785ac86e495685221de5561ec3f8889bd0a02c3a7a', '0xa743c995291d88dc06d766dae7c75021782d0694f0bdf265cc94ece3bcc97670', '0xc962edbdcf57dede31967dc1fcbf9c26455de3f714e5353d6fc81eae6e0b7edf', '0x3dde7ca9d67d68aef7024f1735d91aa3366ca6ab37b9a3fdae41b835600a86e0', '0x3e1e4467d9e7ba2a86dede5085a7d8e51ca0130012d4541818825226873724d3', '0x4aa7b5a586a51122c3629b447e741b1224d002d027074994b78e8c411ffe8cc8', '0x31eb859aee7b5bfa7078fd3ce3bc78d62ef8e0b16a32e5e0559771f061f7748d', '0xc1480120015d8c836ca3a2b33d1cea357f7291fe88281eda317b15390d350b76', '0x96b4ab0d11849a27688cf2ad2a27515eca0f5939737117cd921666f7580a0c97', '0x974744e98bdc75954df45dc4957958f21bdcc422f1f4fce9cbb158ea41b5d038', 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'0xdece4bdf31835c3850a40b7b3804ea407f67855cb4f622ced9b45ede8a2bdaab', '0x4bdfe8ac4b75685220b0c956d496a23f01db981b9433d90169c0fff4b3e5def5', '0xf47f8c8e66683b98cf957489948a8fdce6e5ad27b52f6a12ba450ac063a7a37c', '0x1cba7e9e37321c46db8672a43dc01a0da2d8a55d73724bd5f5d7028bcc4081d8', '0x466004192dd3ce764d8d9f499e41130171ad7ff7a4f354f6b637faefd0d28731', '0x30abace845303ae7ab9ed5035c42df6a99924dc68b768bd3d2eba4391bbc136a', '0xa5827a97e77740789c3217e52279d069287e79974cd8d38e689e5f67a51fde11', '0xf9dc7e609dfa5952952cebb48ea802b79f42457af5ed4ddd0134b120ebb9c7aa', '0xc8029d271f0f2b9609e57da64eb1a6d6280cfbc1234f022c8b2305cb344ae75f', '0x45aa14da19e53b75343641939427cd26c24ba923b892f67dcd94c10ff05fdf31', '0xd921a037d2ac52938f29372239c78945861b3f86f4a804971195d2443820e320', '0x8d5c1bdf410d29bbac2156b1d31af51d108940cd585512d06b78dd6916c257cb', '0xa9b00330191fb680c6ff5ca616fb9eeace26726377f70c99818ac3b41120423f', '0x9000f519d1a5da5fe8533339ec395dbeacbaddac924ef0c3ef2383fed9929ac9', '0x14d33a263bc0b24622e430550cd248d4df5811d2a2d8f73103c913c35100d91a', '0x97dba942a7d04173a0a2f9e3263f0944d016e887ab17873f2ea7bc9abb727401', '0xcb01995d0ee8c716b170aeea0dd549e7fd1de0dd25a28845a6bbb3800ee0cfc9', '0xf235075ca8c787d83f026193339389a6963c17b94685cd03651d450fc8a62545', '0xae59a0444a2d93eabc0c059762fd2a3ac88938a9b69b64dda366f55e101ad13e', '0x5d974145ccd37f90fc8bdf85933103980687676e3c867d837c9fb5a402a44b77', '0x4394e3b1746d5a497ab44aec8cecd03a0235241dcf8e475863514f1094695a21', '0xa6c7fde61d38d65d18e877da3c1eac6650fc9c2b9714bf19e314d896330b067e', '0xe0f1328292205aa22a765299901a51c78b8429e5e43ec1ae9997a0d0746506ad', '0x9b2b4fd8d02bf03f4f74bfb2814ae685106cd9f71f86db4a4e18bfd9fe984d12', '0x6d02bc250f93ac3514a1d08d1800ca2a844933d5b145671d355d02681dc328d6', '0x7e91b3be3a1c9386d651d6dbfcf3e543a9d7523701a36456115b412ca568ea4b', '0x1d7eacb110f1a9344b829e9157f4cddf54abf2a33a9c9944c2f5d463c7f8a8dc', '0x3920473de4fb4ed60e19cd80640b02f7738066772225588b69af96e23a4a28ed', '0x5d097e090fa8cc9c6412b096c7c598e4ec04ba680a845c3731bc2ac06f041c37', '0xc221ed588a6d7e0026940a37e508c4460c809df8bb8e00a496029ba3c3ba9be6', '0x9253529ec5177010706382f3f85c2e04d0c0d6ab3abbc37dec05d66460d20513', '0x50bb179acdc735c14475d3a6ccdbcff03e6e76bfe664ced85beaf711cbee81ca', '0x365c03b8ffc7bf56583fbba6623bfa49a83ea86e5ed4bc2991baea1890cce06d', '0x8a4c646a40a1886c5103e24f67d36c625de6a1968e9b9d217e242635fa58dd73', '0xfd65e407eb7f9f116cc4a5523362a1f0e4daae7c345c00a8ea719e503508fc8f' ], transactionsRoot: '0x9d2763aa7baf4049d5298174139145972618c84b7989defd37ea726a546ae817' }
Today's FT article Dec 6th 2022
City rules: ministers want Britain to be a global hub for cryptoasset technology Treasury consulation: Proposals for regulation of 'Wild West' crypto sector drawn up Therefore I am continuing my learning of ethers.js, web3.js, solidity, and javascript, hardhat, truffle, react, reflux, and IDEs, EVM, blockchains, etc. The going rate for someone like me is 30,000 per 1/4 for a 40 hour 5 day remote week according to Dapp University for an entry level position. There will be jobs... I have worked long term in computers before at Sir Owen Williams using the ASAS finite element analysis program suite and the Prebem suite to design, build, and check 5 prestressed concrete bridge projects over 3 years when computers cost a million in the '80s getting paid to learn in that way. Once my 3 year training contract was finished I moved on. 2 of the bridges have stood the test of time to this day. One contract was sold to builders later to be morphed as the first private English motorway now owned offshore.


ChatGPT the way things are going. My dream assistant really. Can do it now, most things with this.

0x8Cd40039c95F438E9c734B92e0A1B9758C764683 https://goerli.etherscan.io/address/0x8Cd40039c95F438E9c734B92e0A1B9758C764683