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An alternative full node bitcoin implementation written in Go (golang)
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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
.gitignore Initial commit. 2013-06-12 16:22:01 -05:00
address_test.go Initial implementation. 2013-06-13 14:59:46 -05:00
address.go Initial implementation. 2013-06-13 14:59:46 -05:00
cov_report.sh Initial implementation. 2013-06-13 14:59:46 -05:00
doc.go Initial implementation. 2013-06-13 14:59:46 -05:00
internal_test.go Check that the pc validation code works ok. 2013-06-19 23:31:44 +01:00
LICENSE Initial implementation. 2013-06-13 14:59:46 -05:00
log.go Initial implementation. 2013-06-13 14:59:46 -05:00
opcode_test.go Add functions to count the number of signature operations in a script. 2013-06-20 20:10:30 +01:00
opcode.go Fix reversed test bug with the max operations handling 2013-06-20 00:30:34 +01:00
README.md Initial implementation. 2013-06-13 14:59:46 -05:00
script_test.go Add functions to count the number of signature operations in a script. 2013-06-20 20:10:30 +01:00
script.go Add functions to count the number of signature operations in a script. 2013-06-20 20:10:30 +01:00
stack_test.go add some testing for byte format in stack.PushInt() 2013-06-19 01:06:02 +01:00
stack.go int.Sign() in go will never return negative for zero. 2013-06-19 00:51:48 +01:00
test_coverage.txt Add functions to count the number of signature operations in a script. 2013-06-20 20:10:30 +01:00

README.md

btcscript

Package btcscript implements the bitcoin transaction scripts. There is a test suite which is aiming to reach 100% code coverage. See test_coverage.txt for the current coverage (using gocov). On a UNIX-like OS, the script cov_report.sh can be used to generate the report. Package btcscript is licensed under the liberal ISC license.

This package is one of the core packages from btcd, an alternative full-node implementation of bitcoin which is under active development by Conformal. Although it was primarily written for btcd, this package has intentionally been designed so it can be used as a standalone package for any projects needing to use or validate bitcoin transaction scripts.

Bitcoin Scripts

Bitcoin provides a stack-based, FORTH-like langauge for the scripts in the bitcoin transactions. This language is not turing complete although it is still fairly powerful. A description of the language can be found at https://en.bitcoin.it/wiki/Script

Sample Use

	pkscript := txS.TxOut[origintxidx].PkScript
	engine, err := btcscript.NewScript(sigScript, pkscript, txInIdx,
		txValidator, pver,
		timestamp.After(btcscript.Bip16Activation))
	err = engine.Execute()

Documentation

Full go doc style documentation for the project can be viewed online without installing this package by using the GoDoc site here.

You can also view the documentation locally once the package is installed with the godoc tool by running godoc -http=":6060" and pointing your browser to http://localhost:6060/pkg/github.com/conformal/btcscript

Installation

$ go get github.com/conformal/btcscript

TODO

  • Increase test coverage to 100%

GPG Verification Key

All official release tags are signed by Conformal so users can ensure the code has not been tampered with and is coming from Conformal. To verify the signature perform the following:

  • Download the public key from the Conformal website at https://opensource.conformal.com/GIT-GPG-KEY-conformal.txt

  • Import the public key into your GPG keyring:

    gpg --import GIT-GPG-KEY-conformal.txt

  • Verify the release tag with the following command where TAG_NAME is a placeholder for the specific tag:

    git tag -v TAG_NAME

License

Package btcscript is licensed under the liberal ISC License.