@vbyte/btc-dev/dist/lib/script/lock.js

Batteries-included toolset for plebian bitcoin development

import { Buff } from '@vbyte/buff';
import { LOCK_SCRIPT_REGEX } from '../../const.js';
export function is_return_script(script) {
    const bytes = Buff.bytes(script);
    return bytes.at(0) === 0x6a;
}
export function get_lock_script_info(script) {
    return {
        type: get_lock_script_type(script),
        version: get_lock_script_version(script)
    };
}
export function get_lock_script_type(script) {
    const hex = Buff.bytes(script).hex;
    for (const [type, regex] of Object.entries(LOCK_SCRIPT_REGEX)) {
        if (regex.test(hex))
            return type;
    }
    return null;
}
export function get_lock_script_version(script) {
    const version = Buff.bytes(script);
    switch (version.at(0)) {
        case 0x00: return 0;
        case 0x51: return 1;
        default: return null;
    }
}
export function is_p2pkh_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['p2pkh'].test(hex);
}
export function is_p2sh_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['p2sh'].test(hex);
}
export function is_p2wpkh_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['p2wpkh'].test(hex);
}
export function is_p2wsh_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['p2wsh'].test(hex);
}
export function is_p2tr_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['p2tr'].test(hex);
}
export function is_opreturn_script(script) {
    const hex = Buff.bytes(script).hex;
    return LOCK_SCRIPT_REGEX['opreturn'].test(hex);
}