Class: BitcoinActiveRecord::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/bitcoin_active_record/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server: raise('server required'), minimum_amount: 0, account: '') ⇒ Client

Returns a new instance of Client.



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# File 'lib/bitcoin_active_record/client.rb', line 9

def initialize(server: raise('server required'), minimum_amount: 0, account: '')
  @server = server
  @minimum_amount = minimum_amount
  @account = 
  @default_transaction_count = 25
end

Instance Attribute Details

#account ⇒ Object

Returns the value of attribute account.



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# File 'lib/bitcoin_active_record/client.rb', line 6

def 
  @account
end

#minimum_amount ⇒ Object

Returns the value of attribute minimum_amount.



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# File 'lib/bitcoin_active_record/client.rb', line 5

def minimum_amount
  @minimum_amount
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/bitcoin_active_record/client.rb', line 7

def server
  @server
end

Instance Method Details

#create_received_bitcoin_transactions ⇒ Object 



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# File 'lib/bitcoin_active_record/client.rb', line 74

def create_received_bitcoin_transactions
  page = 0

  while true
    transactions = get_received_transactions(page: page)
    return if transactions.size == 0

    transactions.each do |transaction|
      txid = transaction['txid']
      # already created record for this transaction and all older ones
      return if BitcoinTransaction.where(txid: txid).count > 0

      amount = transaction['amount']
      from_key = get_sender_address(txid)

      received_bitcoin_transaction = ReceivedBitcoinTransaction.create!(
        bitcoin_transaction: BitcoinTransaction.new(
          # payment from this address
          btc_address: BtcAddress.find_or_initialize_by(
            public_key: from_key
          ),
          amount: amount,
          txid: txid,
        ),
        # sent to this address
        btc_address: BtcAddress.find_or_initialize_by(public_key: transaction['address']),
      )

      puts("Received transaction #{amount} BTC from #{from_key}: #{received_bitcoin_transaction.inspect}")
    end

    page += 1
  end
end

#get_new_address ⇒ Object 



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# File 'lib/bitcoin_active_record/client.rb', line 40

def get_new_address
  raise if Rails.env.test?
  request(:getnewaddress, @account)
end

#get_sender_address(txid) ⇒ Object 



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# File 'lib/bitcoin_active_record/client.rb', line 45

def get_sender_address(txid)
  addresses = []
  raw_tx = request('decoderawtransaction', request('getrawtransaction', txid))

  raw_tx['vin'].each do |input|
    input_raw_tx = request('decoderawtransaction', request('getrawtransaction', input['txid']))
    addresses << input_raw_tx['vout'][input['vout']]['scriptPubKey']['addresses'][0]
  end

  addresses[0]
end

#pay(public_key: raise('public key required'), amount: raise('amount required'), comment: '') {|sent_bitcoin_transaction| ... } ⇒ Object

Yields:

  • (sent_bitcoin_transaction) 


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# File 'lib/bitcoin_active_record/client.rb', line 57

def pay(public_key: raise('public key required'), amount: raise('amount required'), comment: '')
  raise('amount cant be zero or negative') unless amount > 0

  sent_bitcoin_transaction = SentBitcoinTransaction.new(
    bitcoin_transaction: BitcoinTransaction.new(
      btc_address: BtcAddress.find_or_initialize_by(public_key: public_key),
      amount: amount,
      txid: request(:sendtoaddress, public_key, amount, comment),
    ),
  )
  yield(sent_bitcoin_transaction) if block_given?

  sent_bitcoin_transaction.save!

  sent_bitcoin_transaction
end

#request(method, *args) ⇒ Object

Raises:



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# File 'lib/bitcoin_active_record/client.rb', line 16

def request(method, *args)
  args.map! { |a| a.is_a?(BigDecimal) ? a.to_f : a }
  raise 'payments disabled in test/development' if method.to_sym == :sendtoaddress && (Rails.env.test? || Rails.env.development?)

  res = HTTParty.post(
    @server[:url],
    basic_auth: {
      username: @server[:username],
      password: @server[:password],
    },
    headers: {
      'Content-Type' => 'application/json',
    },
    body: {
      method: method,
      params: args,
      id: 'jsonrpc',
    }.to_json,
  )
  raise ApiError.new(res) unless res['error'].nil?

  res['result']
end