* [DEV-18] changed CSV/CLTV to be regular op codes, and returned nop2 and nop3 to be regular nops * [DEV-18] remove csv/cltv flags - part 1 * [DEV-18] remove csv/cltv flags - part 2 * [DEV-18] remove csv/cltv activation rules * [DEV-18] remove csv/cltv activation rules * [DEV-18] csv_fork_test fixes * [DEV-18] readd chain params * [DEV-18] readd chain params and remove csv activation rules * [DEV-18] returned build flags to integration test * [DEV-18] make csv/cltv to pop the the first element of the stack instead of peeking it * [DEV-18] fix comments related to CSV/CLTV to remove any reference to soft fork * [DEV-18] fix comments related to CSV/CLTV to remove any reference to soft fork * [DEV-18] rename csv_fork_test.go to csv_fork.go * [DEV-18] change mTx location * [DEV-18] remove BIP0065Height * [DEV-18] add function isUpgradableNop for readability
txscript
Package txscript implements the bitcoin transaction script language. There is a comprehensive test suite.
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 language 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
Installation and Updating
$ go get -u github.com/daglabs/btcd/txscript
Examples
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Standard Pay-to-pubkey-hash Script
Demonstrates creating a script which pays to a bitcoin address. It also prints the created script hex and uses the DisasmString function to display the disassembled script. -
Extracting Details from Standard Scripts
Demonstrates extracting information from a standard public key script. -
Manually Signing a Transaction Output
Demonstrates manually creating and signing a redeem transaction.
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 the btcsuite developers. To verify the signature perform the following:
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Download the public key from the Conformal website at https://opensource.conformal.com/GIT-GPG-KEY-conformal.txt
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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_NAMEis a placeholder for the specific tag:git tag -v TAG_NAME
License
Package txscript is licensed under the copyfree ISC License.

