CREATE TABLE "BalanceTransaction" (
  "id" TEXT NOT NULL,
  "userId" TEXT NOT NULL,
  "amount" DECIMAL(10,2) NOT NULL,
  "description" TEXT NOT NULL,
  "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT "BalanceTransaction_pkey" PRIMARY KEY ("id"),
  CONSTRAINT "BalanceTransaction_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE
);

CREATE INDEX "BalanceTransaction_userId_idx" ON "BalanceTransaction"("userId");