64 lines
2.3 KiB
Markdown
64 lines
2.3 KiB
Markdown
txscript
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========
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[](https://travis-ci.org/btcsuite/btcd)
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[](http://copyfree.org)
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[](http://godoc.org/github.com/btcsuite/btcd/txscript)
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Package txscript implements the bitcoin transaction script language. There is
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a comprehensive test suite.
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This package has intentionally been designed so it can be used as a standalone
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package for any projects needing to use or validate bitcoin transaction scripts.
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## Bitcoin Scripts
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Bitcoin provides a stack-based, FORTH-like language for the scripts in
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the bitcoin transactions. This language is not turing complete
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although it is still fairly powerful. A description of the language
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can be found at https://en.bitcoin.it/wiki/Script
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## Installation and Updating
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```bash
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$ go get -u github.com/btcsuite/btcd/txscript
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```
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## Examples
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* [Standard Pay-to-pubkey-hash Script](http://godoc.org/github.com/btcsuite/btcd/txscript#example-PayToAddrScript)
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Demonstrates creating a script which pays to a bitcoin address. It also
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prints the created script hex and uses the DisasmString function to display
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the disassembled script.
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* [Extracting Details from Standard Scripts](http://godoc.org/github.com/btcsuite/btcd/txscript#example-ExtractPkScriptAddrs)
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Demonstrates extracting information from a standard public key script.
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* [Manually Signing a Transaction Output](http://godoc.org/github.com/btcsuite/btcd/txscript#example-SignTxOutput)
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Demonstrates manually creating and signing a redeem transaction.
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## GPG Verification Key
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All official release tags are signed by Conformal so users can ensure the code
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has not been tampered with and is coming from the btcsuite developers. To
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verify the signature perform the following:
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- Download the public key from the Conformal website at
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https://opensource.conformal.com/GIT-GPG-KEY-conformal.txt
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- Import the public key into your GPG keyring:
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```bash
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gpg --import GIT-GPG-KEY-conformal.txt
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```
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- Verify the release tag with the following command where `TAG_NAME` is a
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placeholder for the specific tag:
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```bash
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git tag -v TAG_NAME
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```
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## License
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Package txscript is licensed under the [copyfree](http://copyfree.org) ISC
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License.
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