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Author SHA1 Message Date
Owain G. Ainsworth
fe2233c851 Make count sigops always count up to the point of parse failure. 
We do this by allowing the parser to return the list of parsed objects
(it is an internal only api anyway) and then we use this in the sigops
counting and ignore the error. This change due to bitcoind
compatability.
 2013-07-29 22:00:11 +01:00
Owain G. Ainsworth
e7f9415e4f Return 0 for bad scripts from sigops code instead of an error. 
matches how bitcoind behaves.
 2013-07-25 14:27:58 +01:00
Dave Collins
eb5de559ff Fix a couple of comment typos for the word execute. 2013-07-06 11:59:07 -05:00
Owain G. Ainsworth
bedaddb790 add GetScriptClass to return the internal script type of a script. 
To be used to tell which class a script is (multisig, scripthash, pubkey,
pkhash, or nonstandard)
 2013-07-05 15:23:02 +01:00
Owain G. Ainsworth
4d31b2c850 Remove blurb about 100% coverage and replace with comprehensive. 
btcscript contains an amount of debug logging that is very useful to
have. We have agreed that testing this isn't realy practical or indeed
really useful and thus is rather unlikely to grow test coverage any time
soon.
 2013-06-28 01:15:10 +01:00
Owain G. Ainsworth
c41330e772 Add basic test for if internal opcode definitions are buggy. 2013-06-28 00:46:34 +01:00
Owain G. Ainsworth
89578c985a add basic test for OP_SHA1 
yup, it produces the sha of the data.
 2013-06-27 16:15:32 +01:00
Owain G. Ainsworth
e5a2756795 Test empty scripts and out of bounds for DisasmScript() 
give disasmscript a defined error return for out of bounds.
 2013-06-27 15:07:37 +01:00
Owain G. Ainsworth
244ce4b96e add IsPayToScriptHash api 
To tell ifa bytestream matches teh p2sh pattern.
 2013-06-27 14:20:08 +01:00
Owain G. Ainsworth
bcd8c9d227 gofmt 2013-06-27 14:20:08 +01:00
Owain G. Ainsworth
dd216cef29 Test pushing at and beyond the boundary for largest stack item. 2013-06-26 23:57:49 +01:00
Owain G. Ainsworth
df898ae1dd test a few non-standards script types to hit some edge cases. 2013-06-26 23:28:44 +01:00
Owain G. Ainsworth
d6161f0d41 fix ScriptToAddress when called with 0 length script. 
It did work by luck before, but now it works no matter what the template
tables say. Add tests for the other error cases and internal data
assertions.
 2013-06-26 22:11:54 +01:00
Owain G. Ainsworth
7ae307abfd Fix case where we have an empty script that isn't the first. 
Silly check needed to confirm it was the first script. Add test for this case.
 2013-06-26 14:16:00 +01:00
Owain G. Ainsworth
7e937fae75 testing for the case where a p2sh sigscript isn't pushonly. 
Also providing a defined error (from NewScript) for that case.
 2013-06-25 13:12:15 +01:00
Owain G. Ainsworth
4a87e6e3a7 Test a few failure cases of p2sh txs. 2013-06-25 00:12:08 +01:00
Owain G. Ainsworth
2bdaebfa74 some more tests for GetPreciseSigOpsCount. total coverage now. 2013-06-24 16:32:41 +01:00
Owain G. Ainsworth
53ba8fb834 gofmt 2013-06-21 01:33:56 +01:00
Owain G. Ainsworth
8fe24958bb Test the unfinished condition of CheckErrorCondition 2013-06-21 01:33:38 +01:00
Owain G. Ainsworth
03696a8874 Add functions to count the number of signature operations in a script. 
To be usd for validation. Most of the codepaths teste, a few tests
missing for cases needed tests in the validation codepaths too. To be
worked on in tree.
 2013-06-20 20:10:30 +01:00
Owain G. Ainsworth
421a213a4f Stop modifying the passed tx in NewScript. 
The only time we need to zero out scripts is for calcScriptHash which operates
on a deep copy anyway. This should make the tx passed to us unmodified now.
 2013-06-20 20:10:05 +01:00
Owain G. Ainsworth
25624bc6a7 check that OP_CHECK_MULTISIG also triggers on too many ops 2013-06-20 01:21:12 +01:00
Owain G. Ainsworth
bac455cdd2 Fix reversed test bug with the max operations handling 
We were counting the number of push ops instead of the number of non
push ops.  Add tests that found this (checking tha the max operations
check fires).
 2013-06-20 00:30:34 +01:00
Owain G. Ainsworth
8035de426b Check that the pc validation code works ok. 
Add a testing only interface to set the pc and set it to a few invalid
settings to check that step and disasmPC all blow up correctly.
 2013-06-19 23:31:44 +01:00
Owain G. Ainsworth
625541e202 add some testing for byte format in stack.PushInt() 
should verify all the formats now.

pain causes endian little.
 2013-06-19 01:06:02 +01:00
Owain G. Ainsworth
501b711301 int.Sign() in go will never return negative for zero. 
So remove the -0 handling in fromInt, only toInt needs it.
 2013-06-19 00:51:48 +01:00
Owain G. Ainsworth
5e82baf476 add some basic tests for stack.PopInt() 2013-06-19 00:38:57 +01:00
Owain G. Ainsworth
4692d64f68 permit tests expect fail for nonspecified return code. 
Use this to test the pubkey paths in checksig which return btcec errors
which we don't define. all of the other active tests know the return
code we need.
 2013-06-18 23:36:44 +01:00
Owain G. Ainsworth
df0c0b27d1 Factor the end-of-script error handling into a function. 
Use it to reduce code dpulication in the bip16 case.

In addition we export it so that that a user could run:
for !done && err == nil {
	done, err = s.Step()
}
err = s.CheckErrorCondition()

manually instead of having to run Execute().
 2013-06-18 17:44:29 +01:00
Owain G. Ainsworth
7b08a4e127 Number of operations is per-script not per-transaction. 
Reset the counter at the end of each script.
 2013-06-18 17:44:18 +01:00
Owain G. Ainsworth
bc41004b03 Use errors.New() not fmt.Errorf() when no fmt string. 2013-06-18 17:44:15 +01:00
Dave Collins
2a8cf9f44f Use correct import path for btcec. 2013-06-13 15:18:58 -05:00
Dave Collins
1197770159 Initial implementation. 2013-06-13 14:59:46 -05:00
Dave Collins
63af0dbca9 Initial commit. 2013-06-12 16:22:01 -05:00