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fix: convert zpub to xpub version bytes — bitcore-lib-ltc only understands standard xpub

This commit is contained in:
M1 2026-03-18 23:22:37 +04:00
parent 2bd6adc090
commit 8b2dcf0d56
1 changed files with 5 additions and 5 deletions
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10
apps/pay/src/address.ts
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@ -85,11 +85,11 @@ export function deriveAddressSafe(coin: string, index: number): string {
if (coin === "ltc") {
// zpub uses BIP84 version bytes — convert to Ltub so bitcore-lib-ltc can parse it
let key = xpub;
if (xpub.startsWith("zpub") || xpub.startsWith("Zpub")) {
// Decode base58check, swap version bytes to Ltub (0x019da462), re-encode
const decoded = bs58check.decode(xpub);
// Replace first 4 bytes with Ltub version: 0x019da462
decoded[0] = 0x01; decoded[1] = 0x9d; decoded[2] = 0xa4; decoded[3] = 0x62;
if (xpub.startsWith("zpub") || xpub.startsWith("Zpub") || xpub.startsWith("Ltub") || xpub.startsWith("Mtub")) {
// bitcore-lib-ltc only understands standard xpub version bytes (0x0488b21e).
// Convert zpub/Ltub/Mtub → xpub by swapping the 4-byte version prefix.
const decoded = Buffer.from(bs58check.decode(xpub));
decoded[0] = 0x04; decoded[1] = 0x88; decoded[2] = 0xb2; decoded[3] = 0x1e;
key = bs58check.encode(decoded);
}
const hd = new bitcoreLtc.HDPublicKey(key);