Module: Bitcoin::PSBT

Defined in:
lib/bitcoin/psbt.rb,
lib/bitcoin/psbt/tx.rb,
lib/bitcoin/psbt/input.rb,
lib/bitcoin/psbt/output.rb,
lib/bitcoin/psbt/hd_key_path.rb,
lib/bitcoin/psbt/proprietary.rb,
lib/bitcoin/psbt/key_origin_info.rb

Defined Under Namespace

Classes: GlobalXpub, HDKeyPath, Input, KeyOriginInfo, Output, Proprietary, Tx

Constant Summary collapse

PSBT_MAGIC_BYTES =

constants for PSBT

0x70736274
PSBT_GLOBAL_TYPES = 
{
  unsigned_tx: 0x00,
  xpub: 0x01,
  ver: 0xfb,
  proprietary: 0xfc
}
PSBT_IN_TYPES = 
{
  non_witness_utxo: 0x00,
  witness_utxo: 0x01,
  partial_sig: 0x02,
  sighash: 0x03,
  redeem_script: 0x04,
  witness_script: 0x05,
  bip32_derivation: 0x06,
  script_sig: 0x07,
  script_witness: 0x08,
  ripemd160: 0x0a,
  sha256: 0x0b,
  hash160: 0x0c,
  hash256: 0x0d,
  tap_key_sig: 0x13,
  tap_script_sig: 0x14,
  tap_leaf_script: 0x15,
  tap_bip32_derivation: 0x16,
  tap_internal_key: 0x17,
  tap_merkle_root: 0x18,
  proprietary: 0xfc
}
PSBT_OUT_TYPES = 
{
  redeem_script: 0x00,
  witness_script: 0x01,
  bip32_derivation: 0x02,
  tap_internal_key: 0x05,
  tap_tree: 0x06,
  tap_bip32_derivation: 0x07,
  proprietary: 0xfc
}
PSBT_SEPARATOR = 
0x00
SUPPORT_VERSION = 
0

Class Method Summary collapse

Class Method Details

.load_from_file(path) ⇒ Bitcoin::PSBT::Tx

Load PSBT from file.

Parameters:

  • path (String) —

    File path of PSBT.

Returns:

Raises:

  • (ArgumentError) 


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# File 'lib/bitcoin/psbt.rb', line 71

def load_from_file(path)
  raise ArgumentError, 'File not found' unless File.exist?(path)
  Bitcoin::PSBT::Tx.parse_from_payload(File.read(path))
end

.serialize_to_vector(key_type, key: nil, value: nil) ⇒ Object 



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# File 'lib/bitcoin/psbt.rb', line 59

def self.serialize_to_vector(key_type, key: nil, value: nil)
  key_len = key_type.itb.bytesize
  key_len += key.bytesize if key
  s = Bitcoin.pack_var_int(key_len) << Bitcoin.pack_var_int(key_type)
  s << key if key
  s << Bitcoin.pack_var_int(value.bytesize) << value
  s
end