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@vbyte/btc-dev

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Batteries-included toolset for plebian bitcoin development

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import { Buff } from '@vbyte/buff'; import { Assert } from '@vbyte/micro-lib'; import { encode_address } from './encode.js'; import { is_p2tr_script } from '../../lib/script/lock.js'; import { LOCK_SCRIPT_TYPE } from '../../const.js'; import { get_address_config, get_address_info } from './util.js'; const ADDRESS_TYPE = LOCK_SCRIPT_TYPE.P2TR; export var P2TR; (function (P2TR) { P2TR.create_address = create_p2tr_address; P2TR.create_script = create_p2tr_script; P2TR.encode_address = encode_p2tr_address; P2TR.encode_script = encode_p2tr_script; P2TR.decode_address = decode_p2tr_address; P2TR.decode_script = decode_p2tr_script; })(P2TR || (P2TR = {})); function create_p2tr_address(pubkey, network = 'main') { const script = create_p2tr_script(pubkey); return encode_p2tr_address(script, network); } function create_p2tr_script(pubkey) { const bytes = Buff.bytes(pubkey); Assert.size(bytes, 32, 'invalid pubkey size'); return encode_p2tr_script(bytes); } function encode_p2tr_script(pubkey) { return Buff.join(['5120', pubkey]); } function encode_p2tr_address(script_pk, network = 'main') { const pubkey = decode_p2tr_script(script_pk); const config = get_address_config(network, ADDRESS_TYPE); Assert.exists(config, `unrecognized address config: ${ADDRESS_TYPE} on ${network}`); Assert.size(pubkey, config.size, `invalid payload size: ${pubkey.length} !== ${config.size}`); return encode_address({ data: pubkey, format: 'bech32m', prefix: config.prefix }); } function decode_p2tr_address(address) { const parsed = get_address_info(address); Assert.ok(parsed.type === 'p2tr', `address type mismatch: ${parsed.type} !== ${ADDRESS_TYPE}`); return parsed; } function decode_p2tr_script(script) { Assert.ok(is_p2tr_script(script), `invalid p2tr script`); const bytes = Buff.bytes(script); return bytes.slice(2, 34); }