Implement Metadata borsh deserialization

src/Accounts/Creator.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Accounts;
+
+use Tighten\SolanaPhpSdk\Borsh;
+
+class Creator
+{
+    use Borsh\BorshDeserializable;
+
+    public const SCHEMA = [
+        self::class => [
+            'kind' => 'struct',
+            'fields' => [
+                ['address', 'pubkeyAsString'],
+                ['verified', 'u8'],
+                ['share', 'u8'],
+            ],
+        ],
+    ];
+}

src/Accounts/Metadata.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Accounts;
+
+use Tighten\SolanaPhpSdk\Borsh\Borsh;
+use Tighten\SolanaPhpSdk\Borsh\BorshDeserializable;
+
+class Metadata
+{
+    use BorshDeserializable;
+
+    public const SCHEMA = [
+        Creator::class => Creator::SCHEMA[Creator::class],
+        MetadataData::class => MetadataData::SCHEMA[MetadataData::class],
+        self::class => [
+            'kind' => 'struct',
+            'fields' => [
+                ['key', 'u8'],
+                ['updateAuthority', 'pubkeyAsString'],
+                ['mint', 'pubkeyAsString'],
+                ['data', MetadataData::class],
+                ['primarySaleHappened', 'u8'], // bool
+                ['isMutable', 'u8'], // bool
+            ],
+        ],
+    ];
+
+    public static function fromBuffer(array $buffer): self
+    {
+        return Borsh::deserialize(self::SCHEMA, self::class, $buffer);
+    }
+}

src/Accounts/MetadataData.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Accounts;
+
+use Tighten\SolanaPhpSdk\Borsh;
+
+class MetadataData
+{
+    use Borsh\BorshDeserializable;
+
+    public const SCHEMA = [
+        Creator::class => Creator::SCHEMA[Creator::class],
+        self::class => [
+            'kind' => 'struct',
+            'fields' => [
+                ['name', 'string'],
+                ['symbol', 'string'],
+                ['uri', 'string'],
+                ['sellerFeeBasisPoints', 'u16'],
+                ['creators', [
+                    'kind' => 'option',
+                    'type' => [Creator::class]
+                ]]
+            ],
+        ],
+    ];
+
+    public function __set($name, $value): void
+    {
+        $this->{$name} = is_string($value) ? preg_replace('/[[:cntrl:]]/', '', $value) : $value;
+    }
+}

src/Borsh/BinaryReader.php

@@ -4,6 +4,7 @@
 
 use Tighten\SolanaPhpSdk\Exceptions\TodoException;
 use Tighten\SolanaPhpSdk\Util\Buffer;
+use Tighten\SolanaPhpSdk\PublicKey;
 use Closure;
 
 class BinaryReader
@@ -142,6 +143,16 @@ public function readFixedArray(int $length): array
         return $this->readBuffer($length)->toArray();
     }
 
+    public function readPubKey(): PublicKey
+    {
+        return new PublicKey($this->readFixedArray(32));
+    }
+
+    public function readPubKeyAsString(): string
+    {
+        return $this->readPubKey()->toBase58();
+    }
+
     /**
      * @return array
      */

src/Borsh/Borsh.php

@@ -166,7 +166,7 @@ protected static function deserializeField(
         $fieldType,
         BinaryReader $reader
     ) {
-        if (is_string($fieldType)) {
+        if (is_string($fieldType) && ! class_exists($fieldType)) {
             return $reader->{'read' . ucfirst($fieldType)}();
         }
 

tests/Unit/MetadataTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Tests\Unit;
+
+use Tighten\SolanaPhpSdk\Account;
+use Tighten\SolanaPhpSdk\Keypair;
+use Tighten\SolanaPhpSdk\Tests\TestCase;
+use Tighten\SolanaPhpSdk\Accounts\Metadata;
+
+class MetadataTest extends TestCase
+{
+    /** @test */
+    public function it_deserializes_metadata()
+    {
+        $metadata = Metadata::fromBuffer($this->getBuffer());
+
+        $this->assertEquals($metadata->key, 4);
+        $this->assertEquals($metadata->mint, 'FeGDLocrdh5AVH5EMFsAx583hF6f7bqEaVnCE5UEzizg');
+        $this->assertEquals($metadata->data->sellerFeeBasisPoints, 420);
+    }
+
+    private function getBuffer()
+    {
+        return [4,145,46,36,49,209,155,219,75,110,199,128,138,23,42,82,195,151,97,65,119,209,223,11,140,138,148,52,90,254,192,90,223,217,143,78,220,158,99,114,245,24,144,126,240,164,219,101,56,181,231,17,68,20,221,78,43,174,57,170,131,79,186,82,237,32,0,0,0,82,79,71,85,69,32,83,72,65,82,75,83,32,35,50,57,54,55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,83,72,65,82,75,0,0,0,0,0,200,0,0,0,104,116,116,112,115,58,47,47,97,114,119,101,97,118,101,46,110,101,116,47,85,107,77,45,82,98,78,75,69,55,70,65,82,82,73,111,122,112,81,49,74,76,88,97,53,113,78,118,81,87,55,119,120,114,65,75,116,97,105,108,120,53,77,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,164,1,1,2,0,0,0,247,145,216,18,238,207,44,106,94,249,103,180,163,74,72,155,203,8,247,230,68,183,76,198,206,170,252,13,134,51,164,151,1,0,145,46,36,49,209,155,219,75,110,199,128,138,23,42,82,195,151,97,65,119,209,223,11,140,138,148,52,90,254,192,90,223,1,100,1,1,1,254,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
+    }
+}