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xpub related update

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bitcoinafterlife
2025-05-22 19:41:05 -04:00
parent 793b6dccf0
commit 713eb8fbaa
5 changed files with 103 additions and 98 deletions
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7
src/xpub.rs
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@@ -1,4 +1,3 @@
use bs58;
use sha2::{Digest, Sha256};
use bitcoin::bip32::Xpub;
use std::str::FromStr;
@@ -35,7 +34,7 @@ fn base58check_decode(s: &str) -> Result<Vec<u8>, String> {
return Err("Data troppo corta".to_string());
}
let (payload, checksum) = data.split_at(data.len() - 4);
let hash = Sha256::digest(&Sha256::digest(payload));
let hash = Sha256::digest(Sha256::digest(payload));
if hash[0..4] != checksum[..] {
return Err("Checksum invalido".to_string());
}
@@ -43,7 +42,7 @@ fn base58check_decode(s: &str) -> Result<Vec<u8>, String> {
}
fn base58check_encode(data: &[u8]) -> String {
let checksum = &Sha256::digest(&Sha256::digest(data))[0..4];
let checksum = &Sha256::digest(Sha256::digest(data))[0..4];
let full = [data, checksum].concat();
bs58::encode(full).into_string()
}
@@ -69,7 +68,7 @@ fn convert_to(zpub: &str,prefix: BS58Prefix) -> Result<String, String> {
pub fn new_address_from_xpub(zpub: &str, index: i64,network: Network)-> Result<(String,String), Box<dyn std::error::Error>>{
let xpub = Xpub::from_str(&convert_to(zpub,BS58Prefix::Xpub)?)?;
let path = format!("m/0/{}",index);
let derivation_path = DerivationPath::from_str(&path.as_str())?;
let derivation_path = DerivationPath::from_str(path.as_str())?;
let secp = Secp256k1::new();
let derived_xpub = xpub.derive_pub(&secp, &derivation_path)?;
let public_key = derived_xpub.public_key;