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4

I think it is 43 GB as of December 26. (but don't nail me on that) If you buy a VPS you should definitely buy one that exceeds this number with easy. (or upgrade capacity later on)


2

Have you unlocked account1 on Infura? Of course, that's not possible (and you wouldn't want it to be either). This mode of operation is available only when you're using your own private node, so that others will not be able to exploit your account. And even then, it is not a recommend mode of operation, since anyone hacking your node will be able to ...


2

Run it again. More generally, run it inside a try/catch block until success. For your specific error, it is possible that the node is not synchronized with your account's current nonce, so you may want to add this to your options object: nonce: await web3.eth.getTransactionCount(0xYourAccountAddress) Since you may also encounter other types of errors, I ...


2

Your scheme relies on your account being unlocked on the node that you're connected to. While this scheme is reasonable for testing your system on your local host via Ganache, it is not recommended for an operational system, because anyone hacking your node could exploit your (unlocked) account at will. Instead of unlocking your account on the node that ...


2

Ropsten transactions are confirmed by miners on that POW network. Rinkeby transactions are confirmed by specific authorized nodes run by the the Geth team. The Ethereum Foundation, Infura, AKASHA and others might also be involved. Non-validator nodes are run by others in the ethereum space such as PegaSys, Funfair, etc. You can see the list of Rinkeby ...


1

You could just deploy an ERC20 token with a name of Tether, then call the mint function to populate your wallet with tokens and pretend this is Tether for testing purposes. Here's an example: pragma solidity 0.5.7; pragma experimental ABIEncoderV2; import { ERC20 } from "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol"; contract MockTether is ERC20 {...


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