gistfile1.rb

$:.unshift( File.expand_path("../../lib", __FILE__) )
require 'bitcoin'
require 'ap'
require 'open-uri'
#specify to use the testnet network, could use :bitcoin to use bitcoin network
Bitcoin::network = :testnet3
=begin
key = Bitcoin::generate_key
ap key

address = Bitcoin::pubkey_to_address(key[1])
ap address
prev_tx = Bitcoin::Protocol::Tx.from_json_file('spec/bitcoin/fixtures/rawtx-testnet-e232e0055dbdca88bbaa79458683195a0b7c17c5b6c524a8d146721d4d4d652f.json')
=end


include Bitcoin::Builder
prev_hash = "13a8cf532bb0485feeb6ef4596e6476c182a92519dabb745eb4bde475f267475"
prev_out_index = 1
prev_tx = Bitcoin::P::Tx.from_json(open("http://test.webbtc.com/tx/#{prev_hash}.json"))
keySender = Bitcoin::Key.new("9baf399f185279928a965b0c6fe1eb1c19a6292d1c8ffcf41dda8f234665782a")
ap Bitcoin::encode_base58("9baf399f185279928a965b0c6fe1eb1c19a6292d1c8ffcf41dda8f234665782a")

ap prev_tx.to_hash

toAddress = "mqRU7gKpUgrG9Budv7xnZyVmkWQd8XV7Hy"

ap Bitcoin::hash160_from_address("mnwpcUh76eLVYzEXCuh4fypzABEtygqFR5")
public_key = keySender.pub

#ap Bitcoin::verify_signature( hash , signature, public_key)

new_tx = build_tx do |t|
	t.input do |i|
		i.prev_out prev_tx
		i.prev_out_index prev_out_index
		i.signature_key keySender
	end
	t.output do |o|
		o.value 70000000 # 70 million satoshi = .7 BTC
		o.to toAddress
	end
end