send ethereum

send_eth.rb

require 'ethereum'

host = "host address"
port = "port number"

client = Ethereum::HttpClient.new(host, port)
formatter = Ethereum::Formatter.new

#eth.accounts
res = client.accounts

addr_list = res['result']
addr_list.each do |addr|
  #web3.from_wei(eth.getBalance(account), "ether")
  res = client.get_balance(addr, 'latest')
  vol = res['result']
  puts "#{addr}: #{vol}, #{formatter.from_wei(vol.hex)}"
end

send_vol = 1  #unit: ether
wei = formatter.to_wei(send_vol)
vol_hex = formatter.to_twos_complement(wei)
wei_hex = "0x#{vol_hex}"
#p wei
#p wei_hex


from_addr = addr[0]
to_addr = addr[1]
#p from_addr
#p to_addr

#personal.unlockAccount
password = 'from_addr password'
res = client.unlock_account(from_addr, password) 
p res

#eth.sendTransaction
res = client.send_transaction("from" => from_addr, "to" => to_addr, "value" => wei_hex)
p res