1  export function formatCkBtc(amount: bigint | number | null | undefined) {
 2    if (amount === undefined) return "0";
 3    amount = typeof amount === "number" ? BigInt(amount) : amount;
 4    if (!amount) return "0";
 5    const integerPart = amount / 100000000n;
 6    const fractionalPart = amount % 100000000n;
 7    const fractionalPartString = fractionalPart.toString().padStart(8, "0");
 8    const fractionalPartTrimmed = fractionalPartString.replace(/0+$/, ""); // Removes trailing zeroes
 9    return `${integerPart.toLocaleString()}.${fractionalPartTrimmed}`;
10  }