def get_scriptPubKey(address):
   #we want the following script:
   #"OP_DUP OP_HASH160 <160 byte hex hash of address> OP_EQUALVERIFY OP_CHECKSIG"
   address_hash = bc_address_to_hash_160(address)
   #chr(20) is the length of the address_hash (20 bytes or 160 bits)
   return chr(opcodes.OP_DUP) + chr(opcodes.OP_HASH160) + \
      chr(20) + address_hash + chr(opcodes.OP_EQUALVERIFY) + chr(opcodes.OP_CHECKSIG)
Exemple #2
0
 def gather_pubkeys(type, d):
   if type == "name":
     pubkeys.append(bc_address_to_hash_160(d['hash']))
Exemple #3
0
#'sequence'
tx_fields['sequence'] = 0xffffffff
sign_tx.write_uint32(tx_fields['sequence'])

##then we write the number of transaction outputs. we'll just use a single output in this example
tx_fields['num_txout'] = 1
sign_tx.write_compact_size(tx_fields['num_txout'])
##then we write the actual transaction output data
#we'll redeem everything from the original output minus TX_FEE
tx_fields['value'] = tx_info['txOut'][OUTPUT_INDEX]['value']-(TX_FEE*COIN)
sign_tx.write_int64(tx_fields['value'])
##this is where our scriptPubKey goes (a script that pays out to an address)
#we want the following script:
#"OP_DUP OP_HASH160  OP_EQUALVERIFY OP_CHECKSIG"
address_hash = bc_address_to_hash_160(SEND_TO_ADDRESS)
#chr(20) is the length of the address_hash (20 bytes or 160 bits)
scriptPubKey = chr(opcodes.OP_DUP) + chr(opcodes.OP_HASH160) + \
   chr(20) + address_hash + chr(opcodes.OP_EQUALVERIFY) + chr(opcodes.OP_CHECKSIG)
#first write the length of this lump of data
tx_fields['scriptPubKey'] = scriptPubKey
sign_tx.write_compact_size(len(tx_fields['scriptPubKey']))
#then the data
sign_tx.write(tx_fields['scriptPubKey'])

#write locktime (0)
tx_fields['locktime'] = 0
sign_tx.write_uint32(tx_fields['locktime'])
#and hash code type (1)
tx_fields['hash_type'] = SIGHASH_ALL
sign_tx.write_int32(tx_fields['hash_type'])
Exemple #4
0
#'sequence'
tx_fields['sequence'] = 0xffffffff
sign_tx.write_uint32(tx_fields['sequence'])

##then we write the number of transaction outputs. we'll just use a single output in this example
tx_fields['num_txout'] = 1
sign_tx.write_compact_size(tx_fields['num_txout'])
##then we write the actual transaction output data
#we'll redeem everything from the original output minus TX_FEE
tx_fields['value'] = tx_info['txOut'][OUTPUT_INDEX]['value']-(TX_FEE*COIN)
sign_tx.write_int64(tx_fields['value'])
##this is where our scriptPubKey goes (a script that pays out to an address)
#we want the following script:
#"OP_DUP OP_HASH160  OP_EQUALVERIFY OP_CHECKSIG"
address_hash = bc_address_to_hash_160(SEND_TO_ADDRESS)
#chr(20) is the length of the address_hash (20 bytes or 160 bits)
scriptPubKey = chr(opcodes.OP_DUP) + chr(opcodes.OP_HASH160) + \
   chr(20) + address_hash + chr(opcodes.OP_EQUALVERIFY) + chr(opcodes.OP_CHECKSIG)
#first write the length of this lump of data
tx_fields['scriptPubKey'] = scriptPubKey
sign_tx.write_compact_size(len(tx_fields['scriptPubKey']))
#then the data
sign_tx.write(tx_fields['scriptPubKey'])

#write locktime (0)
tx_fields['locktime'] = 0
sign_tx.write_uint32(tx_fields['locktime'])
#and hash code type (1)
tx_fields['hash_type'] = SIGHASH_ALL
sign_tx.write_int32(tx_fields['hash_type'])
Exemple #5
0
#'sequence'
tx_fields['sequence'] = 0xffffffff
sign_tx.write_uint32(tx_fields['sequence'])

##then we write the number of transaction outputs. we'll just use a single output in this example
tx_fields['num_txout'] = 1
sign_tx.write_compact_size(tx_fields['num_txout'])
##then we write the actual transaction output data
#we'll redeem everything from the original output minus TX_FEE
tx_fields['value'] = tx_info['txOut'][OUTPUT_INDEX]['value'] - (TX_FEE * COIN)
sign_tx.write_int64(tx_fields['value'])
##this is where our scriptPubKey goes (a script that pays out to an address)
#we want the following script:
#"OP_DUP OP_HASH160  OP_EQUALVERIFY OP_CHECKSIG"
address_hash = bc_address_to_hash_160(SEND_TO_ADDRESS)
#chr(20) is the length of the address_hash (20 bytes or 160 bits)
scriptPubKey = chr(opcodes.OP_DUP) + chr(opcodes.OP_HASH160) + \
   chr(20) + address_hash + chr(opcodes.OP_EQUALVERIFY) + chr(opcodes.OP_CHECKSIG)
#first write the length of this lump of data
tx_fields['scriptPubKey'] = scriptPubKey
sign_tx.write_compact_size(len(tx_fields['scriptPubKey']))
#then the data
sign_tx.write(tx_fields['scriptPubKey'])

#write locktime (0)
tx_fields['locktime'] = 0
sign_tx.write_uint32(tx_fields['locktime'])
#and hash code type (1)
tx_fields['hash_type'] = SIGHASH_ALL
sign_tx.write_int32(tx_fields['hash_type'])
Exemple #6
0
def bc_address_to_hash_160(addr):
    """Deprecated."""
    return base58.bc_address_to_hash_160(addr)
Exemple #7
0
 def gather_pubkeys(type, d):
     if type == "name":
         pubkeys.append(bc_address_to_hash_160(d['hash']))