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judymcconville@roadrunner.com 2017-05-02 13:58:34 -07:00
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== pycoin, ku, and tx == pycoin, ku, and tx
The Python library http://github.com/richardkiss/pycoin[+pycoin+], originally written and maintained by Richard Kiss, is a Python-based library that supports manipulation of bitcoin keys and transactions, even supporting the scripting language enough to properly deal with nonstandard transactions. ((("pycoin library")))The Python library http://github.com/richardkiss/pycoin[+pycoin+], originally written and maintained by Richard Kiss, is a Python-based library that supports manipulation of bitcoin keys and transactions, even supporting the scripting language enough to properly deal with nonstandard transactions.
The pycoin library supports both Python 2 (2.7.x) and Python 3 (after 3.3), and comes with some handy command-line utilities, +ku+ and +tx+. The pycoin library supports both Python 2 (2.7.x) and Python 3 (after 3.3), and comes with some handy command-line utilities, +ku+ and +tx+.
=== Key Utility (KU) === Key Utility (KU)
The command-line utility +ku+ ("key utility") is a Swiss Army knife for manipulating keys. It supports BIP32 keys, WIF, and addresses (bitcoin and alt coins). Following are some examples. ((("key utility (ku)", id="keyutil18")))The command-line utility +ku+ ("key utility") is a Swiss Army knife for manipulating keys. It supports BIP32 keys, WIF, and addresses (bitcoin and alt coins). Following are some examples.
Create a BIP32 key using the default entropy sources of GPG and _/dev/random_: Create a BIP32 key using the default entropy sources of GPG and _/dev/random_:
@ -315,7 +315,7 @@ Bitcoin address : 1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH
---- ----
As a Dogecoin address: ((("", startref="pycoin library")))As a Dogecoin address:
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@ -329,7 +329,7 @@ Dogecoin address : DFpN6QqFfUm3gKNaxN6tNcab1FArL9cZLE
==== Transaction Utility (TX) ==== Transaction Utility (TX)
The command-line utility +tx+ will display transactions in human-readable form, fetch base transactions from pycoin's transaction cache or from web services (blockchain.info and biteasy.com are currently supported), merge transactions, add or delete inputs or outputs, and sign transactions. ((("transaction utility (TX)", id="TX18")))The command-line utility +tx+ will display transactions in human-readable form, fetch base transactions from pycoin's transaction cache or from web services (blockchain.info and biteasy.com are currently supported), merge transactions, add or delete inputs or outputs, and sign transactions.
Following are some examples. Following are some examples.
@ -404,7 +404,7 @@ Total fees 0.00000 mBTC
all incoming transaction values validated all incoming transaction values validated
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Now, let's look at unspent outputs for a specific address (UTXO). In block #1, we see a coinbase transaction to +12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX+. Let's use +fetch_unspent+ to find all coins in this address: ((("", startref="TX18")))Now, let's look at unspent outputs for a specific address (UTXO). In block #1, we see a coinbase transaction to +12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX+. Let's use +fetch_unspent+ to find all coins in this address:
---- ----
$ fetch_unspent 12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX $ fetch_unspent 12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX