@macalinao/zod-solana/dist/u64-string-schema.js

Zod schemas for Solana types with @solana/kit integration

import { z } from "zod";
import { U64_MAX } from "./constants.js";
/**
 * A Zod schema for u64 values as strings.
 * Validates that a string represents a valid u64 value (0 to 2^64-1).
 * Returns the value as a string to preserve precision for large numbers.
 */
export const u64StringSchema = z.string().refine((val) => {
    // Check for empty string
    if (val === "") {
        return false;
    }
    // Check for whitespace
    if (val !== val.trim()) {
        return false;
    }
    // Check for plus sign, hex prefix, binary prefix, octal prefix
    if (val.startsWith("+") ||
        val.startsWith("0x") ||
        val.startsWith("0X") ||
        val.startsWith("0b") ||
        val.startsWith("0B") ||
        val.startsWith("0o") ||
        val.startsWith("0O")) {
        return false;
    }
    // Check if it's a valid decimal number string (only digits)
    if (!/^\d+$/.test(val)) {
        return false;
    }
    try {
        const num = BigInt(val);
        return num >= 0n && num <= U64_MAX;
    }
    catch {
        return false;
    }
}, {
    message: `Value must be a valid u64 (0 to ${String(U64_MAX)})`,
});
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