Suhas Daftuar d76412b068 Add script manipulation tools for use in mininode testing framework
script.py is modified from the code in python-bitcoinlib, and provides tools
for manipulating and creating CScript objects.

bignum.py is a dependency for script.py

script_test.py is an example test that uses the script tools for running a test
that compares the behavior of two nodes, in a comptool- style test, for each of
the test cases in the bitcoin unit test script files, script_valid.json and
script_invalid.json.  (This test is very slow to run, but is a proof of concept
for how we can write tests to compare consensus-critical behavior between
different versions of bitcoind.)

bipdersig-p2p.py is another example test in the comptool framework, which tests
deployment of BIP DERSIG for a single node.  It uses the script.py tools for
manipulating signatures to be non-DER compliant.
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Regression tests of RPC interface

python-bitcoinrpc

Git subtree of https://github.com/jgarzik/python-bitcoinrpc. Changes to python-bitcoinrpc should be made upstream, and then pulled here using git subtree.

test_framework.py

Base class for new regression tests.

listtransactions.py

Tests for the listtransactions RPC call.

util.py

Generally useful functions.

Bash-based tests, to be ported to Python:

  • wallet.sh : Exercise wallet send/receive code.
  • walletbackup.sh : Exercise wallet backup / dump / import
  • txnmall.sh : Test proper accounting of malleable transactions
  • conflictedbalance.sh : More testing of malleable transaction handling

Notes

A 200-block -regtest blockchain and wallets for four nodes is created the first time a regression test is run and is stored in the cache/ directory. Each node has 25 mature blocks (25*50=1250 BTC) in their wallet.

After the first run, the cache/ blockchain and wallets are copied into a temporary directory and used as the initial test state.

If you get into a bad state, you should be able to recover with:

rm -rf cache
killall bitcoind