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cheapeth-wallet-web3

cheapETH transaction example

This node web3 example uses a local wallet (the private key is saved in a file -.private-key.txt), connects to a public JSON RPC node (running a full node is not required), and uses sendSignedTransaction() to broadcast the locally signed transaction.

Features

  • sample code
  • based on web3
  • uses makevoid/ethereum-keychain minimalistic library
  • light / web client (no full node required)
  • the private key is saved on your system as a file
  • requires very little code

Usage

  • generate a private key (key needs to be a Bitcoin key in WIF format saved in .private-key.txt)

  • use metamask or any other ethereum wallet to move some funds (e.g. 1 cTH) to your account (your ethereum address)

  • run node main.js to send a sample transaction

  • customize the code (add a real sender, change the gasPrice amount, add data, etc...)

  • profit! :D

@makevoid