PHP code example of gawrys / counterparty-core

1. Go to this page and download the library: Download gawrys/counterparty-core library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

gawrys / counterparty-core example snippets


$outcome = $verifier->verify(new Counterparty('Acme Sp. z o.o.', 'PL', nip: '1234567890'));

$outcome->report->worstStatus();    // hard facts (deterministic)
$outcome->assessment->level;        // advisory RiskLevel
$outcome->

use Gawrys\Counterparty\CounterpartyVerifierFactory;
use Gawrys\Counterparty\Counterparty;

$verifier = CounterpartyVerifierFactory::discover();           // or ::create($psr18Client)
$outcome  = $verifier->verify(new Counterparty('Acme', 'PL', nip: '1234567890', euVat: 'PL1234567890'));


use Gawrys\Counterparty\Verifier;
use Gawrys\Counterparty\Risk\RuleBasedRiskStrategy;
use Gawrys\Counterparty\Check\WhiteListCheck;
use Gawrys\Counterparty\Adapter\WhiteList\HttpWhiteListClient;
use Gawrys\Counterparty\Http\JsonHttpClient;

$http = new JsonHttpClient($psr18Client, $psr17Factory, $psr17Factory);

$verifier = new Verifier(
    checks: [new WhiteListCheck(new HttpWhiteListClient($http))], // clock defaults to SystemClock
    riskStrategy: RuleBasedRiskStrategy::withDefaultRules(),
);


final readonly class GermanRegistryDriver extends AbstractRegistryDriver
{
    public function capabilities(): array { return [RegistryCapability::LegalEntityData]; }
    public function countries(): array    { return ['DE']; }
    public function lookup(LookupRequest $request): LookupResult { /* ... */ }
}

$registries->extend('de', fn () => new GermanRegistryDriver(/* ... */));


final class HighRiskCountryRule implements RiskRule
{
    public function evaluate(RiskContext $context): iterable
    {
        if (in_array($context->counterparty->country, ['XX', 'YY'], true)) {
            yield new RiskSignal('geo.high_risk', 0.6, adverse: false);
        }
    }
}

$strategy = new RuleBasedRiskStrategy([new HighRiskCountryRule(), /* ...defaults */]);


final class GermanRegistryDriverTest extends RegistryDriverContractTestCase
{
    protected function createDriver(): RegistryDriver { /* wire to a mocked HTTP client */ }
    protected function supportedRequest(): LookupRequest { /* a request it supports */ }
}