diff --git a/Cargo.toml b/Cargo.toml index ef1a7ca..009ebd4 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "bitcoin" -version = "0.10.0" +version = "0.10.1" authors = ["Andrew Poelstra "] license = "CC0-1.0" homepage = "https://github.com/apoelstra/rust-bitcoin/" diff --git a/src/blockdata/script.rs b/src/blockdata/script.rs index 149c56c..a549846 100644 --- a/src/blockdata/script.rs +++ b/src/blockdata/script.rs @@ -264,6 +264,17 @@ impl Script { self.0[22] == opcodes::All::OP_EQUAL as u8 } + /// Checks whether a script pubkey is a p2pkh output + #[inline] + pub fn is_p2pkh(&self) -> bool { + self.0.len() == 25 && + self.0[0] == opcodes::All::OP_DUP as u8 && + self.0[1] == opcodes::All::OP_HASH160 as u8 && + self.0[2] == opcodes::All::OP_PUSHBYTES_20 as u8 && + self.0[23] == opcodes::All::OP_EQUALVERIFY as u8 && + self.0[24] == opcodes::All::OP_CHECKSIG as u8 + } + /// Whether a script can be proven to have no satisfying input pub fn is_provably_unspendable(&self) -> bool { !self.0.is_empty() && (opcodes::All::from(self.0[0]).classify() == opcodes::Class::ReturnOp || @@ -614,5 +625,17 @@ mod test { assert_eq!(format!("{}", hex_script!("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")), "Script(OP_0 OP_PUSHBYTES_71 304402202457e78cc1b7f50d0543863c27de75d07982bde8359b9e3316adec0aec165f2f02200203fd331c4e4a4a02f48cf1c291e2c0d6b2f7078a784b5b3649fca41f8794d401 OP_0 OP_PUSHDATA1 552103244e602b46755f24327142a0517288cebd159eccb6ccf41ea6edf1f601e9af952103bbbacc302d19d29dbfa62d23f37944ae19853cf260c745c2bea739c95328fcb721039227e83246bd51140fe93538b2301c9048be82ef2fb3c7fc5d78426ed6f609ad210229bf310c379b90033e2ecb07f77ecf9b8d59acb623ab7be25a0caed539e2e6472103703e2ed676936f10b3ce9149fa2d4a32060fb86fa9a70a4efe3f21d7ab90611921031e9b7c6022400a6bb0424bbcde14cff6c016b91ee3803926f3440abf5c146d05210334667f975f55a8455d515a2ef1c94fdfa3315f12319a14515d2a13d82831f62f57ae)"); } + + #[test] + fn script_p2sh_p2p2k_template() { + // random outputs I picked out of the mempool + assert!(hex_script!("76a91402306a7c23f3e8010de41e9e591348bb83f11daa88ac").is_p2pkh()); + assert!(!hex_script!("76a91402306a7c23f3e8010de41e9e591348bb83f11daa88ac").is_p2sh()); + assert!(!hex_script!("76a91402306a7c23f3e8010de41e9e591348bb83f11daa88ad").is_p2pkh()); + assert!(!hex_script!("").is_p2pkh()); + assert!(hex_script!("a914acc91e6fef5c7f24e5c8b3f11a664aa8f1352ffd87").is_p2sh()); + assert!(!hex_script!("a914acc91e6fef5c7f24e5c8b3f11a664aa8f1352ffd87").is_p2pkh()); + assert!(!hex_script!("a314acc91e6fef5c7f24e5c8b3f11a664aa8f1352ffd87").is_p2sh()); + } }