fix: UNIQUE en pagos_confirmados.email_hash previene doble crédito por race condition
Sin este índice, dos procesos PHP simultáneos podían pasar el check yaUsado() ambos con false y marcar el mismo hash dos veces, aplicando la recarga doble. Con UNIQUE, el segundo INSERT falla y el catch existente lo bloquea (falla cerrado). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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co-authored by
Claude Sonnet 4.6
parent
bb311e7dcd
commit
3ee850776b
@@ -0,0 +1,22 @@
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<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration
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{
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public function up(): void
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{
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Schema::table('pagos_confirmados', function (Blueprint $table) {
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$table->unique('email_hash');
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});
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}
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public function down(): void
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{
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Schema::table('pagos_confirmados', function (Blueprint $table) {
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$table->dropUnique(['email_hash']);
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});
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}
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};
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