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Example code of bitwasp/bitcoinconsensus

Informations about the package bitcoinconsensus

bitcoinconsensus-php

Build Status codecov

PHP extension for Bitcoin Script validation.

It exposes bindings to the bitcoinconsensus.h library, which exposes the VerifyScript with a C compatible interface.

The library is normally build during compilation of Bitcoin Core, and is also distributed in signed releases of Bitcoin Core. This means you can build your own or get a trusted copy.

Requirements

Version v3.0.0 can be run on PHP versions > 7.0.

Version v2.0.0 can run on PHP versions 5.3 - 5.6, and PHP 7.0 - 7.2, 7.3-RC

See how to install a certain branch in the installation section.

Supported features

Script verification flags:

BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_NONE
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_P2SH
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_DERSIG

Optional (depends on bitcoinconsensus.h build):
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_WITNESS
BITCOINCONSENSUS_SCRIPT_FLAGS_VERIFY_NULLDUMMY

Error codes for bitcoinconsensus_verify_script{,with_amount}

BITCOINCONSENSUS_ERR_OK                   no error
BITCOINCONSENSUS_ERR_TX_INDEX             input index not set in transaction
BITCOINCONSENSUS_ERR_TX_SIZE_MISMATCH     (not possible)
BITCOINCONSENSUS_ERR_TX_DESERIALIZE       invalid transaction serialization

Optional (depends on bitcoinconsensus.h build):
BITCOINCONSENSUS_ERR_AMOUNT_REQUIRED      used segwit flag with old function
BITCOINCONSENSUS_ERR_INVALID_FLAGS        invalid script verification flags used

Compatibility

Script verification constants following the naming BITCOINCONSENSUS_VERIFY_x were removed in favor of those following upstreams naming.

To Install:

(Optional) - Enable the extension by default!

Add this line to your php.ini files to enable the extension in PHP by default.

Examples

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All versions of bitcoinconsensus with dependencies

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Requires php Version >=7.0
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