Sha256: 490b7e569a6d4c9ad426beed97f3085a02e6d20e2efe36d18c309ef5d7e7ca78
Contents?: true
Size: 1.52 KB
Versions: 17
Compression:
Stored size: 1.52 KB
Contents
#!/usr/bin/env ruby
#
# Fetch a transaction from blockexplorer.com and verify all signatures.
#
# examples/bbe_verify_tx.rb <tx hash> [testnet]
# examples/bbe_verify_tx.rb f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16
# see Bitcoin::P::Tx and Bitcoin::Script.
$:.unshift(File.dirname(__FILE__) + "/../lib")
require 'bitcoin'
require 'open-uri'
tx_hash = ARGV[0]
$testnet = ARGV.select{|i| i.downcase == 'testnet' }[0] ? true : false
$use_coinbase_bbe = ARGV.select{|i| i.downcase == 'coinbase' }[0] ? true : false
# fetch transaction from bbe as json and deserialize into Bitcoin::Protocol::Tx object
def get_tx(hash)
if $use_coinbase_bbe && !$testnet
url = "https://coinbase.com/network/tx/%s.json" % [hash]
else
url = "http://blockexplorer.com/%srawtx/%s" % [$testnet ? 'testnet/' : '', hash]
end
json = open(url).read
Bitcoin::Protocol::Tx.from_json(json)
rescue
nil
end
tx1 = get_tx(tx_hash)
unless tx1
puts "Tx #{tx_hash} not found."
exit
end
if tx1.in.all?{|txin| txin.coinbase? }
puts "Tx #{tx_hash} is a coinbase transaction. Check the block instead."
exit
end
tx1.in.each_with_index do |txin, idx|
if txin.coinbase?
puts "skipping coinbase transaction input.."; next
end
prev_tx = get_tx(txin.previous_output)
unless prev_tx
puts "Missing prev_out tx for input #{idx} of tx #{tx_hash}!"
exit
end
result = tx1.verify_input_signature(idx, prev_tx)
unless result
puts "Input #{idx} of tx #{tx_hash} is invalid!"
exit
end
end
puts "Tx #{tx_hash} is valid."
Version data entries
17 entries across 17 versions & 2 rubygems