1963 lines
69 KiB
Rust
1963 lines
69 KiB
Rust
use bytes::Bytes;
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use sign::Sighash;
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use std::{cmp, mem};
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use zebra_chain::constants::SEQUENCE_LOCKTIME_DISABLE_FLAG;
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use zebra_crypto::{dhash160, dhash256, ripemd160, sha1, sha256};
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use zebra_keys::{Public, Signature};
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use {script, Error, Num, Opcode, Script, SignatureChecker, Stack, VerificationFlags};
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/// Helper function.
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fn check_signature(
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checker: &mut SignatureChecker,
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mut script_sig: Vec<u8>,
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public: Vec<u8>,
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script_code: &Script,
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) -> bool {
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let public = match Public::from_slice(&public) {
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Ok(public) => public,
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_ => return false,
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};
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if script_sig.is_empty() {
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return false;
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}
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let hash_type = script_sig.pop().unwrap() as u32;
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let signature = script_sig.into();
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checker.check_signature(&signature, &public, script_code, hash_type)
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}
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fn is_public_key(v: &[u8]) -> bool {
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match v.len() {
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33 if v[0] == 2 || v[0] == 3 => true,
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65 if v[0] == 4 => true,
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_ => false,
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}
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}
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/// A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
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/// Where R and S are not negative (their first byte has its highest bit not set), and not
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/// excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
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/// in which case a single 0 byte is necessary and even required).
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///
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/// See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
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///
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/// This function is consensus-critical since BIP66.
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fn is_valid_signature_encoding(sig: &[u8]) -> bool {
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// Format: 0x30 [total-length] 0x02 [R-length] [R] 0x02 [S-length] [S] [sighash]
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// * total-length: 1-byte length descriptor of everything that follows,
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// excluding the sighash byte.
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// * R-length: 1-byte length descriptor of the R value that follows.
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// * R: arbitrary-length big-endian encoded R value. It must use the shortest
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// possible encoding for a positive integer (which means no null bytes at
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// the start, except a single one when the next byte has its highest bit set).
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// * S-length: 1-byte length descriptor of the S value that follows.
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// * S: arbitrary-length big-endian encoded S value. The same rules apply.
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// * sighash: 1-byte value indicating what data is hashed (not part of the DER
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// signature)
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// Minimum and maximum size constraints
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if sig.len() < 9 || sig.len() > 73 {
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return false;
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}
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// A signature is of type 0x30 (compound)
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if sig[0] != 0x30 {
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return false;
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}
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// Make sure the length covers the entire signature.
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if sig[1] as usize != sig.len() - 3 {
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return false;
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}
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// Extract the length of the R element.
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let len_r = sig[3] as usize;
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// Make sure the length of the S element is still inside the signature.
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if len_r + 5 >= sig.len() {
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return false;
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}
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// Extract the length of the S element.
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let len_s = sig[len_r + 5] as usize;
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// Verify that the length of the signature matches the sum of the length
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if len_r + len_s + 7 != sig.len() {
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return false;
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}
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// Check whether the R element is an integer.
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if sig[2] != 2 {
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return false;
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}
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// Zero-length integers are not allowed for R.
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if len_r == 0 {
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return false;
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}
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// Negative numbers are not allowed for R.
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if (sig[4] & 0x80) != 0 {
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return false;
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}
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// Null bytes at the start of R are not allowed, unless R would
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// otherwise be interpreted as a negative number.
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if len_r > 1 && sig[4] == 0 && (sig[5] & 0x80) == 0 {
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return false;
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}
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// Check whether the S element is an integer.
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if sig[len_r + 4] != 2 {
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return false;
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}
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// Zero-length integers are not allowed for S.
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if len_s == 0 {
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return false;
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}
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// Negative numbers are not allowed for S.
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if (sig[len_r + 6] & 0x80) != 0 {
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return false;
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}
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// Null bytes at the start of S are not allowed, unless S would otherwise be
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// interpreted as a negative number.
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if len_s > 1 && (sig[len_r + 6] == 0) && (sig[len_r + 7] & 0x80) == 0 {
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return false;
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}
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true
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}
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fn is_low_der_signature(sig: &[u8]) -> Result<(), Error> {
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if !is_valid_signature_encoding(sig) {
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return Err(Error::SignatureDer);
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}
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let signature: Signature = sig.into();
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if !signature.check_low_s() {
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return Err(Error::SignatureHighS);
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}
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Ok(())
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}
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fn is_defined_hashtype_signature(sig: &[u8]) -> bool {
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if sig.is_empty() {
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return false;
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}
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Sighash::is_defined(sig[sig.len() - 1] as u32)
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}
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fn check_signature_encoding(sig: &[u8], flags: &VerificationFlags) -> Result<(), Error> {
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// Empty signature. Not strictly DER encoded, but allowed to provide a
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// compact way to provide an invalid signature for use with CHECK(MULTI)SIG
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if sig.is_empty() {
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return Ok(());
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}
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if (flags.verify_dersig || flags.verify_low_s || flags.verify_strictenc)
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&& !is_valid_signature_encoding(sig)
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{
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return Err(Error::SignatureDer);
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}
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if flags.verify_low_s {
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is_low_der_signature(sig)?;
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}
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if flags.verify_strictenc && !is_defined_hashtype_signature(sig) {
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return Err(Error::SignatureHashtype);
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}
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Ok(())
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}
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fn check_pubkey_encoding(v: &[u8], flags: &VerificationFlags) -> Result<(), Error> {
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if flags.verify_strictenc && !is_public_key(v) {
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return Err(Error::PubkeyType);
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}
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Ok(())
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}
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fn check_minimal_push(data: &[u8], opcode: Opcode) -> bool {
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if data.is_empty() {
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// Could have used OP_0.
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opcode == Opcode::OP_0
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} else if data.len() == 1 && data[0] >= 1 && data[0] <= 16 {
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// Could have used OP_1 .. OP_16.
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opcode as u8 == Opcode::OP_1 as u8 + (data[0] - 1)
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} else if data.len() == 1 && data[0] == 0x81 {
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// Could have used OP_1NEGATE
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opcode == Opcode::OP_1NEGATE
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} else if data.len() <= 75 {
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// Could have used a direct push (opcode indicating number of bytes pushed + those bytes).
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opcode as usize == data.len()
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} else if data.len() <= 255 {
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// Could have used OP_PUSHDATA.
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opcode == Opcode::OP_PUSHDATA1
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} else if data.len() <= 65535 {
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// Could have used OP_PUSHDATA2.
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opcode == Opcode::OP_PUSHDATA2
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} else {
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true
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}
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}
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fn cast_to_bool(data: &[u8]) -> bool {
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if data.is_empty() {
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return false;
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}
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if data[..data.len() - 1].iter().any(|x| x != &0) {
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return true;
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}
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let last = data[data.len() - 1];
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!(last == 0 || last == 0x80)
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}
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/// Verifies script signature and pubkey
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pub fn verify_script(
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script_sig: &Script,
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script_pubkey: &Script,
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flags: &VerificationFlags,
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checker: &mut SignatureChecker,
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) -> Result<(), Error> {
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if flags.verify_sigpushonly && !script_sig.is_push_only() {
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return Err(Error::SignaturePushOnly);
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}
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let mut stack = Stack::new();
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let mut stack_copy = Stack::new();
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eval_script(&mut stack, script_sig, flags, checker)?;
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if flags.verify_p2sh {
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stack_copy = stack.clone();
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}
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let res = eval_script(&mut stack, script_pubkey, flags, checker)?;
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if !res {
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return Err(Error::EvalFalse);
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}
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// Additional validation for spend-to-script-hash transactions:
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if flags.verify_p2sh && script_pubkey.is_pay_to_script_hash() {
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if !script_sig.is_push_only() {
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return Err(Error::SignaturePushOnly);
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}
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mem::swap(&mut stack, &mut stack_copy);
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// stack cannot be empty here, because if it was the
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// P2SH HASH <> EQUAL scriptPubKey would be evaluated with
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// an empty stack and the EvalScript above would return false.
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assert!(!stack.is_empty());
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let pubkey2: Script = stack.pop()?.into();
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let res = eval_script(&mut stack, &pubkey2, flags, checker)?;
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if !res {
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return Err(Error::EvalFalse);
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}
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}
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// The CLEANSTACK check is only performed after potential P2SH evaluation,
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// as the non-P2SH evaluation of a P2SH script will obviously not result in
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// a clean stack (the P2SH inputs remain).
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if flags.verify_cleanstack {
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// Disallow CLEANSTACK without P2SH, as otherwise a switch CLEANSTACK->P2SH+CLEANSTACK
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// would be possible, which is not a softfork (and P2SH should be one).
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assert!(flags.verify_p2sh);
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if stack.len() != 1 {
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return Err(Error::Cleanstack);
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}
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}
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Ok(())
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}
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/// Evaluates the script
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#[cfg_attr(feature = "cargo-clippy", allow(match_same_arms))]
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pub fn eval_script(
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stack: &mut Stack<Bytes>,
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script: &Script,
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flags: &VerificationFlags,
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checker: &mut SignatureChecker,
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) -> Result<bool, Error> {
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if script.len() > script::MAX_SCRIPT_SIZE {
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return Err(Error::ScriptSize);
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}
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let mut pc = 0;
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let mut op_count = 0;
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let mut exec_stack = Vec::<bool>::new();
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let mut altstack = Stack::<Bytes>::new();
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while pc < script.len() {
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let executing = exec_stack.iter().all(|x| *x);
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let instruction = match script.get_instruction(pc) {
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Ok(i) => i,
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Err(Error::BadOpcode) if !executing => {
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pc += 1;
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continue;
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}
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Err(err) => return Err(err),
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};
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let opcode = instruction.opcode;
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if let Some(data) = instruction.data {
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if data.len() > script::MAX_SCRIPT_ELEMENT_SIZE {
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return Err(Error::PushSize);
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}
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if executing && flags.verify_minimaldata && !check_minimal_push(data, opcode) {
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return Err(Error::Minimaldata);
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}
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}
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if opcode.is_countable() {
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op_count += 1;
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if op_count > script::MAX_OPS_PER_SCRIPT {
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return Err(Error::OpCount);
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}
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}
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if opcode.is_disabled() {
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return Err(Error::DisabledOpcode(opcode));
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}
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pc += instruction.step;
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if !(executing || (Opcode::OP_IF <= opcode && opcode <= Opcode::OP_ENDIF)) {
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continue;
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}
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match opcode {
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Opcode::OP_PUSHDATA1
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| Opcode::OP_PUSHDATA2
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| Opcode::OP_PUSHDATA4
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| Opcode::OP_0
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| Opcode::OP_PUSHBYTES_1
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| Opcode::OP_PUSHBYTES_2
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| Opcode::OP_PUSHBYTES_3
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| Opcode::OP_PUSHBYTES_4
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| Opcode::OP_PUSHBYTES_5
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| Opcode::OP_PUSHBYTES_6
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| Opcode::OP_PUSHBYTES_7
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| Opcode::OP_PUSHBYTES_8
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| Opcode::OP_PUSHBYTES_9
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| Opcode::OP_PUSHBYTES_10
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| Opcode::OP_PUSHBYTES_11
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| Opcode::OP_PUSHBYTES_12
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| Opcode::OP_PUSHBYTES_13
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| Opcode::OP_PUSHBYTES_14
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| Opcode::OP_PUSHBYTES_15
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| Opcode::OP_PUSHBYTES_16
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| Opcode::OP_PUSHBYTES_17
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| Opcode::OP_PUSHBYTES_18
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| Opcode::OP_PUSHBYTES_19
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| Opcode::OP_PUSHBYTES_20
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| Opcode::OP_PUSHBYTES_21
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| Opcode::OP_PUSHBYTES_22
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| Opcode::OP_PUSHBYTES_23
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| Opcode::OP_PUSHBYTES_24
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| Opcode::OP_PUSHBYTES_25
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| Opcode::OP_PUSHBYTES_26
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| Opcode::OP_PUSHBYTES_27
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| Opcode::OP_PUSHBYTES_28
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| Opcode::OP_PUSHBYTES_29
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| Opcode::OP_PUSHBYTES_30
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| Opcode::OP_PUSHBYTES_31
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| Opcode::OP_PUSHBYTES_32
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| Opcode::OP_PUSHBYTES_33
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| Opcode::OP_PUSHBYTES_34
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| Opcode::OP_PUSHBYTES_35
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| Opcode::OP_PUSHBYTES_36
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| Opcode::OP_PUSHBYTES_37
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| Opcode::OP_PUSHBYTES_38
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| Opcode::OP_PUSHBYTES_39
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| Opcode::OP_PUSHBYTES_40
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| Opcode::OP_PUSHBYTES_41
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| Opcode::OP_PUSHBYTES_42
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| Opcode::OP_PUSHBYTES_43
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| Opcode::OP_PUSHBYTES_44
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| Opcode::OP_PUSHBYTES_45
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| Opcode::OP_PUSHBYTES_46
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| Opcode::OP_PUSHBYTES_47
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| Opcode::OP_PUSHBYTES_48
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| Opcode::OP_PUSHBYTES_49
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| Opcode::OP_PUSHBYTES_50
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| Opcode::OP_PUSHBYTES_51
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| Opcode::OP_PUSHBYTES_52
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| Opcode::OP_PUSHBYTES_53
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| Opcode::OP_PUSHBYTES_54
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| Opcode::OP_PUSHBYTES_55
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| Opcode::OP_PUSHBYTES_56
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| Opcode::OP_PUSHBYTES_57
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| Opcode::OP_PUSHBYTES_58
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| Opcode::OP_PUSHBYTES_59
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| Opcode::OP_PUSHBYTES_60
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| Opcode::OP_PUSHBYTES_61
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| Opcode::OP_PUSHBYTES_62
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| Opcode::OP_PUSHBYTES_63
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| Opcode::OP_PUSHBYTES_64
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| Opcode::OP_PUSHBYTES_65
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| Opcode::OP_PUSHBYTES_66
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| Opcode::OP_PUSHBYTES_67
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| Opcode::OP_PUSHBYTES_68
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| Opcode::OP_PUSHBYTES_69
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| Opcode::OP_PUSHBYTES_70
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| Opcode::OP_PUSHBYTES_71
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| Opcode::OP_PUSHBYTES_72
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| Opcode::OP_PUSHBYTES_73
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| Opcode::OP_PUSHBYTES_74
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| Opcode::OP_PUSHBYTES_75 => {
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if let Some(data) = instruction.data {
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stack.push(data.to_vec().into());
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}
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}
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Opcode::OP_1NEGATE
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| Opcode::OP_1
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| Opcode::OP_2
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| Opcode::OP_3
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| Opcode::OP_4
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| Opcode::OP_5
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| Opcode::OP_6
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| Opcode::OP_7
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| Opcode::OP_8
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| Opcode::OP_9
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| Opcode::OP_10
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| Opcode::OP_11
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| Opcode::OP_12
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| Opcode::OP_13
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| Opcode::OP_14
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| Opcode::OP_15
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| Opcode::OP_16 => {
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let value = (opcode as i32).wrapping_sub(Opcode::OP_1 as i32 - 1);
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stack.push(Num::from(value).to_bytes());
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}
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Opcode::OP_CAT
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| Opcode::OP_SUBSTR
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| Opcode::OP_LEFT
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| Opcode::OP_RIGHT
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| Opcode::OP_INVERT
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| Opcode::OP_AND
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| Opcode::OP_OR
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| Opcode::OP_XOR
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| Opcode::OP_2MUL
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| Opcode::OP_2DIV
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| Opcode::OP_MUL
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| Opcode::OP_DIV
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| Opcode::OP_MOD
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| Opcode::OP_LSHIFT
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| Opcode::OP_RSHIFT => {
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return Err(Error::DisabledOpcode(opcode));
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}
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Opcode::OP_NOP => (),
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Opcode::OP_CHECKLOCKTIMEVERIFY => {
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if flags.verify_locktime {
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// Note that elsewhere numeric opcodes are limited to
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// operands in the range -2**31+1 to 2**31-1, however it is
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// legal for opcodes to produce results exceeding that
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// range. This limitation is implemented by CScriptNum's
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// default 4-byte limit.
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//
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// If we kept to that limit we'd have a year 2038 problem,
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// even though the nLockTime field in transactions
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// themselves is uint32 which only becomes meaningless
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// after the year 2106.
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//
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// Thus as a special case we tell CScriptNum to accept up
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// to 5-byte bignums, which are good until 2**39-1, well
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// beyond the 2**32-1 limit of the nLockTime field itself.
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let lock_time = Num::from_slice(stack.last()?, flags.verify_minimaldata, 5)?;
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// In the rare event that the argument may be < 0 due to
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// some arithmetic being done first, you can always use
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// 0 MAX CHECKLOCKTIMEVERIFY.
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if lock_time.is_negative() {
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return Err(Error::NegativeLocktime);
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}
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if !checker.check_lock_time(lock_time) {
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return Err(Error::UnsatisfiedLocktime);
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}
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} else if flags.verify_discourage_upgradable_nops {
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return Err(Error::DiscourageUpgradableNops);
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}
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}
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Opcode::OP_CHECKSEQUENCEVERIFY => {
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|
if flags.verify_checksequence {
|
|
let sequence = Num::from_slice(stack.last()?, flags.verify_minimaldata, 5)?;
|
|
|
|
if sequence.is_negative() {
|
|
return Err(Error::NegativeLocktime);
|
|
}
|
|
|
|
if (sequence & (SEQUENCE_LOCKTIME_DISABLE_FLAG as i64).into()).is_zero()
|
|
&& !checker.check_sequence(sequence)
|
|
{
|
|
return Err(Error::UnsatisfiedLocktime);
|
|
}
|
|
} else if flags.verify_discourage_upgradable_nops {
|
|
return Err(Error::DiscourageUpgradableNops);
|
|
}
|
|
}
|
|
Opcode::OP_NOP1
|
|
| Opcode::OP_NOP4
|
|
| Opcode::OP_NOP5
|
|
| Opcode::OP_NOP6
|
|
| Opcode::OP_NOP7
|
|
| Opcode::OP_NOP8
|
|
| Opcode::OP_NOP9
|
|
| Opcode::OP_NOP10 => {
|
|
if flags.verify_discourage_upgradable_nops {
|
|
return Err(Error::DiscourageUpgradableNops);
|
|
}
|
|
}
|
|
Opcode::OP_IF | Opcode::OP_NOTIF => {
|
|
let mut exec_value = false;
|
|
if executing {
|
|
exec_value =
|
|
cast_to_bool(&stack.pop().map_err(|_| Error::UnbalancedConditional)?);
|
|
if opcode == Opcode::OP_NOTIF {
|
|
exec_value = !exec_value;
|
|
}
|
|
}
|
|
exec_stack.push(exec_value);
|
|
}
|
|
Opcode::OP_ELSE => {
|
|
if exec_stack.is_empty() {
|
|
return Err(Error::UnbalancedConditional);
|
|
}
|
|
let last_index = exec_stack.len() - 1;
|
|
let last = exec_stack[last_index];
|
|
exec_stack[last_index] = !last;
|
|
}
|
|
Opcode::OP_ENDIF => {
|
|
if exec_stack.is_empty() {
|
|
return Err(Error::UnbalancedConditional);
|
|
}
|
|
exec_stack.pop();
|
|
}
|
|
Opcode::OP_VERIFY => {
|
|
let exec_value = cast_to_bool(&stack.pop()?);
|
|
if !exec_value {
|
|
return Err(Error::Verify);
|
|
}
|
|
}
|
|
Opcode::OP_RETURN => {
|
|
return Err(Error::ReturnOpcode);
|
|
}
|
|
Opcode::OP_TOALTSTACK => {
|
|
altstack.push(stack.pop()?);
|
|
}
|
|
Opcode::OP_FROMALTSTACK => {
|
|
stack.push(
|
|
altstack
|
|
.pop()
|
|
.map_err(|_| Error::InvalidAltstackOperation)?,
|
|
);
|
|
}
|
|
Opcode::OP_2DROP => {
|
|
stack.drop(2)?;
|
|
}
|
|
Opcode::OP_2DUP => {
|
|
stack.dup(2)?;
|
|
}
|
|
Opcode::OP_3DUP => {
|
|
stack.dup(3)?;
|
|
}
|
|
Opcode::OP_2OVER => {
|
|
stack.over(2)?;
|
|
}
|
|
Opcode::OP_2ROT => {
|
|
stack.rot(2)?;
|
|
}
|
|
Opcode::OP_2SWAP => {
|
|
stack.swap(2)?;
|
|
}
|
|
Opcode::OP_IFDUP => {
|
|
if cast_to_bool(stack.last()?) {
|
|
stack.dup(1)?;
|
|
}
|
|
}
|
|
Opcode::OP_DEPTH => {
|
|
let depth = Num::from(stack.len());
|
|
stack.push(depth.to_bytes());
|
|
}
|
|
Opcode::OP_DROP => {
|
|
stack.pop()?;
|
|
}
|
|
Opcode::OP_DUP => {
|
|
stack.dup(1)?;
|
|
}
|
|
Opcode::OP_NIP => {
|
|
stack.nip()?;
|
|
}
|
|
Opcode::OP_OVER => {
|
|
stack.over(1)?;
|
|
}
|
|
Opcode::OP_PICK | Opcode::OP_ROLL => {
|
|
let n: i64 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?.into();
|
|
if n < 0 || n >= stack.len() as i64 {
|
|
return Err(Error::InvalidStackOperation);
|
|
}
|
|
|
|
let v = match opcode {
|
|
Opcode::OP_PICK => stack.top(n as usize)?.clone(),
|
|
_ => stack.remove(n as usize)?,
|
|
};
|
|
|
|
stack.push(v);
|
|
}
|
|
Opcode::OP_ROT => {
|
|
stack.rot(1)?;
|
|
}
|
|
Opcode::OP_SWAP => {
|
|
stack.swap(1)?;
|
|
}
|
|
Opcode::OP_TUCK => {
|
|
stack.tuck()?;
|
|
}
|
|
Opcode::OP_SIZE => {
|
|
let n = Num::from(stack.last()?.len());
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_EQUAL => {
|
|
let v1 = stack.pop()?;
|
|
let v2 = stack.pop()?;
|
|
if v1 == v2 {
|
|
stack.push(vec![1].into());
|
|
} else {
|
|
stack.push(Bytes::new());
|
|
}
|
|
}
|
|
Opcode::OP_EQUALVERIFY => {
|
|
let equal = stack.pop()? == stack.pop()?;
|
|
if !equal {
|
|
return Err(Error::EqualVerify);
|
|
}
|
|
}
|
|
Opcode::OP_1ADD => {
|
|
let n = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)? + 1.into();
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_1SUB => {
|
|
let n = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)? - 1.into();
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_NEGATE => {
|
|
let n = -Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_ABS => {
|
|
let n = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?.abs();
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_NOT => {
|
|
let n = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?.is_zero();
|
|
let n = Num::from(n);
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_0NOTEQUAL => {
|
|
let n = !Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?.is_zero();
|
|
let n = Num::from(n);
|
|
stack.push(n.to_bytes());
|
|
}
|
|
Opcode::OP_ADD => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
stack.push((v1 + v2).to_bytes());
|
|
}
|
|
Opcode::OP_SUB => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
stack.push((v2 - v1).to_bytes());
|
|
}
|
|
Opcode::OP_BOOLAND => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(!v1.is_zero() && !v2.is_zero());
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_BOOLOR => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(!v1.is_zero() || !v2.is_zero());
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_NUMEQUAL => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 == v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_NUMEQUALVERIFY => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
if v1 != v2 {
|
|
return Err(Error::NumEqualVerify);
|
|
}
|
|
}
|
|
Opcode::OP_NUMNOTEQUAL => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 != v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_LESSTHAN => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 > v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_GREATERTHAN => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 < v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_LESSTHANOREQUAL => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 >= v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_GREATERTHANOREQUAL => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v = Num::from(v1 <= v2);
|
|
stack.push(v.to_bytes());
|
|
}
|
|
Opcode::OP_MIN => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
stack.push(cmp::min(v1, v2).to_bytes());
|
|
}
|
|
Opcode::OP_MAX => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
stack.push(cmp::max(v1, v2).to_bytes());
|
|
}
|
|
Opcode::OP_WITHIN => {
|
|
let v1 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v2 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
let v3 = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
if v2 <= v3 && v3 < v1 {
|
|
stack.push(vec![1].into());
|
|
} else {
|
|
stack.push(Bytes::new());
|
|
}
|
|
}
|
|
Opcode::OP_RIPEMD160 => {
|
|
let v = ripemd160(&stack.pop()?);
|
|
stack.push(v.to_vec().into());
|
|
}
|
|
Opcode::OP_SHA1 => {
|
|
let v = sha1(&stack.pop()?);
|
|
stack.push(v.to_vec().into());
|
|
}
|
|
Opcode::OP_SHA256 => {
|
|
let v = sha256(&stack.pop()?);
|
|
stack.push(v.to_vec().into());
|
|
}
|
|
Opcode::OP_HASH160 => {
|
|
let v = dhash160(&stack.pop()?);
|
|
stack.push(v.to_vec().into());
|
|
}
|
|
Opcode::OP_HASH256 => {
|
|
let v = dhash256(&stack.pop()?);
|
|
stack.push(v.to_vec().into());
|
|
}
|
|
Opcode::OP_CHECKSIG | Opcode::OP_CHECKSIGVERIFY => {
|
|
let pubkey = stack.pop()?;
|
|
let signature = stack.pop()?;
|
|
|
|
check_signature_encoding(&signature, flags)?;
|
|
check_pubkey_encoding(&pubkey, flags)?;
|
|
|
|
let success = check_signature(checker, signature.into(), pubkey.into(), &script);
|
|
match opcode {
|
|
Opcode::OP_CHECKSIG => {
|
|
if success {
|
|
stack.push(vec![1].into());
|
|
} else {
|
|
stack.push(Bytes::new());
|
|
}
|
|
}
|
|
Opcode::OP_CHECKSIGVERIFY if !success => {
|
|
return Err(Error::CheckSigVerify);
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
Opcode::OP_CHECKMULTISIG | Opcode::OP_CHECKMULTISIGVERIFY => {
|
|
let keys_count = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
if keys_count < 0.into() || keys_count > script::MAX_PUBKEYS_PER_MULTISIG.into() {
|
|
return Err(Error::PubkeyCount);
|
|
}
|
|
|
|
let keys_count: usize = keys_count.into();
|
|
let keys = (0..keys_count)
|
|
.into_iter()
|
|
.map(|_| stack.pop())
|
|
.collect::<Result<Vec<_>, _>>()?;
|
|
|
|
let sigs_count = Num::from_slice(&stack.pop()?, flags.verify_minimaldata, 4)?;
|
|
if sigs_count < 0.into() || sigs_count > keys_count.into() {
|
|
return Err(Error::SigCount);
|
|
}
|
|
|
|
let sigs_count: usize = sigs_count.into();
|
|
let sigs = (0..sigs_count)
|
|
.into_iter()
|
|
.map(|_| stack.pop())
|
|
.collect::<Result<Vec<_>, _>>()?;
|
|
|
|
let mut success = true;
|
|
let mut k = 0;
|
|
let mut s = 0;
|
|
while s < sigs.len() && success {
|
|
// TODO: remove redundant copying
|
|
let key = keys[k].clone();
|
|
let sig = sigs[s].clone();
|
|
|
|
check_signature_encoding(&sig, flags)?;
|
|
check_pubkey_encoding(&key, flags)?;
|
|
|
|
let ok = check_signature(checker, sig.into(), key.into(), &script);
|
|
if ok {
|
|
s += 1;
|
|
}
|
|
k += 1;
|
|
|
|
success = sigs.len() - s <= keys.len() - k;
|
|
}
|
|
|
|
if !stack.pop()?.is_empty() && flags.verify_nulldummy {
|
|
return Err(Error::SignatureNullDummy);
|
|
}
|
|
|
|
match opcode {
|
|
Opcode::OP_CHECKMULTISIG => {
|
|
if success {
|
|
stack.push(vec![1].into());
|
|
} else {
|
|
stack.push(Bytes::new());
|
|
}
|
|
}
|
|
Opcode::OP_CHECKMULTISIGVERIFY if !success => {
|
|
return Err(Error::CheckSigVerify);
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
Opcode::OP_RESERVED | Opcode::OP_VER | Opcode::OP_RESERVED1 | Opcode::OP_RESERVED2 => {
|
|
if executing {
|
|
return Err(Error::DisabledOpcode(opcode));
|
|
}
|
|
}
|
|
Opcode::OP_VERIF | Opcode::OP_VERNOTIF => {
|
|
return Err(Error::DisabledOpcode(opcode));
|
|
}
|
|
}
|
|
|
|
if stack.len() + altstack.len() > 1000 {
|
|
return Err(Error::StackSize);
|
|
}
|
|
}
|
|
|
|
if !exec_stack.is_empty() {
|
|
return Err(Error::UnbalancedConditional);
|
|
}
|
|
|
|
let success = !stack.is_empty() && {
|
|
let last = stack.last()?;
|
|
cast_to_bool(last)
|
|
};
|
|
|
|
Ok(success)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::{eval_script, is_public_key, verify_script};
|
|
use bytes::Bytes;
|
|
use zebra_chain::Transaction;
|
|
use {
|
|
Builder, Error, NoopSignatureChecker, Num, Opcode, Script, Stack, TransactionInputSigner,
|
|
TransactionSignatureChecker, VerificationFlags,
|
|
};
|
|
|
|
#[test]
|
|
fn tests_is_public_key() {
|
|
assert!(!is_public_key(&[]));
|
|
assert!(!is_public_key(&[1]));
|
|
assert!(is_public_key(&Bytes::from("0495dfb90f202c7d016ef42c65bc010cd26bb8237b06253cc4d12175097bef767ed6b1fcb3caf1ed57c98d92e6cb70278721b952e29a335134857acd4c199b9d2f")));
|
|
assert!(is_public_key(&[2; 33]));
|
|
assert!(is_public_key(&[3; 33]));
|
|
assert!(!is_public_key(&[4; 33]));
|
|
}
|
|
|
|
// https://github.com/bitcoin/bitcoin/blob/d612837814020ae832499d18e6ee5eb919a87907/src/test/script_tests.cpp#L900
|
|
#[test]
|
|
fn test_push_data() {
|
|
let expected: Stack<Bytes> = vec![vec![0x5a].into()].into();
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
let mut checker = NoopSignatureChecker;
|
|
let direct: Script = vec![Opcode::OP_PUSHBYTES_1 as u8, 0x5a].into();
|
|
let pushdata1: Script = vec![Opcode::OP_PUSHDATA1 as u8, 0x1, 0x5a].into();
|
|
let pushdata2: Script = vec![Opcode::OP_PUSHDATA2 as u8, 0x1, 0, 0x5a].into();
|
|
let pushdata4: Script = vec![Opcode::OP_PUSHDATA4 as u8, 0x1, 0, 0, 0, 0x5a].into();
|
|
|
|
let mut direct_stack = Stack::new();
|
|
let mut pushdata1_stack = Stack::new();
|
|
let mut pushdata2_stack = Stack::new();
|
|
let mut pushdata4_stack = Stack::new();
|
|
assert!(eval_script(&mut direct_stack, &direct, &flags, &mut checker).unwrap());
|
|
assert!(eval_script(&mut pushdata1_stack, &pushdata1, &flags, &mut checker).unwrap());
|
|
assert!(eval_script(&mut pushdata2_stack, &pushdata2, &flags, &mut checker).unwrap());
|
|
assert!(eval_script(&mut pushdata4_stack, &pushdata4, &flags, &mut checker).unwrap());
|
|
|
|
assert_eq!(direct_stack, expected);
|
|
assert_eq!(pushdata1_stack, expected);
|
|
assert_eq!(pushdata2_stack, expected);
|
|
assert_eq!(pushdata4_stack, expected);
|
|
}
|
|
|
|
fn basic_test_with_flags(
|
|
script: &Script,
|
|
flags: &VerificationFlags,
|
|
expected: Result<bool, Error>,
|
|
expected_stack: Stack<Bytes>,
|
|
) {
|
|
let mut checker = NoopSignatureChecker;
|
|
let mut stack = Stack::new();
|
|
assert_eq!(
|
|
eval_script(&mut stack, script, &flags, &mut checker),
|
|
expected
|
|
);
|
|
if expected.is_ok() {
|
|
assert_eq!(stack, expected_stack);
|
|
}
|
|
}
|
|
|
|
fn basic_test(script: &Script, expected: Result<bool, Error>, expected_stack: Stack<Bytes>) {
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
basic_test_with_flags(script, &flags, expected, expected_stack)
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_data(&[0x4])
|
|
.push_opcode(Opcode::OP_EQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![vec![1].into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal_false() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_data(&[0x3])
|
|
.push_opcode(Opcode::OP_EQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Bytes::new()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_opcode(Opcode::OP_EQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal_verify() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_data(&[0x4])
|
|
.push_opcode(Opcode::OP_EQUALVERIFY)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = Stack::default();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal_verify_failed() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_data(&[0x3])
|
|
.push_opcode(Opcode::OP_EQUALVERIFY)
|
|
.into_script();
|
|
let result = Err(Error::EqualVerify);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_equal_verify_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x4])
|
|
.push_opcode(Opcode::OP_EQUALVERIFY)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_size() {
|
|
let script = Builder::default()
|
|
.push_data(&[0x12, 0x34])
|
|
.push_opcode(Opcode::OP_SIZE)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![vec![0x12, 0x34].into(), vec![0x2].into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_size_false() {
|
|
let script = Builder::default()
|
|
.push_data(&[])
|
|
.push_opcode(Opcode::OP_SIZE)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![vec![].into(), vec![].into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_size_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_SIZE)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_hash256() {
|
|
let script = Builder::default()
|
|
.push_data(b"hello")
|
|
.push_opcode(Opcode::OP_HASH256)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack =
|
|
vec!["9595c9df90075148eb06860365df33584b75bff782a510c6cd4883a419833d50".into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_hash256_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_HASH256)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_ripemd160() {
|
|
let script = Builder::default()
|
|
.push_data(b"hello")
|
|
.push_opcode(Opcode::OP_RIPEMD160)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec!["108f07b8382412612c048d07d13f814118445acd".into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_ripemd160_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_RIPEMD160)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_sha1() {
|
|
let script = Builder::default()
|
|
.push_data(b"hello")
|
|
.push_opcode(Opcode::OP_SHA1)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec!["aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d".into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sha1_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_SHA1)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_sha256() {
|
|
let script = Builder::default()
|
|
.push_data(b"hello")
|
|
.push_opcode(Opcode::OP_SHA256)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack =
|
|
vec!["2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824".into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sha256_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_SHA256)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_1add() {
|
|
let script = Builder::default()
|
|
.push_num(5.into())
|
|
.push_opcode(Opcode::OP_1ADD)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(6).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_1add_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_1ADD)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_1sub() {
|
|
let script = Builder::default()
|
|
.push_num(5.into())
|
|
.push_opcode(Opcode::OP_1SUB)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(4).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_1sub_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_1SUB)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_negate() {
|
|
let script = Builder::default()
|
|
.push_num(5.into())
|
|
.push_opcode(Opcode::OP_NEGATE)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(-5).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_negate_negative() {
|
|
let script = Builder::default()
|
|
.push_num((-5).into())
|
|
.push_opcode(Opcode::OP_NEGATE)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(5).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_negate_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_NEGATE)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_abs() {
|
|
let script = Builder::default()
|
|
.push_num(5.into())
|
|
.push_opcode(Opcode::OP_ABS)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(5).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_abs_negative() {
|
|
let script = Builder::default()
|
|
.push_num((-5).into())
|
|
.push_opcode(Opcode::OP_ABS)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(5).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_abs_invalid_stack() {
|
|
let script = Builder::default().push_opcode(Opcode::OP_ABS).into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_not() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_NOT)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_not_zero() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_NOT)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_not_invalid_stack() {
|
|
let script = Builder::default().push_opcode(Opcode::OP_NOT).into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_0notequal() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_0NOTEQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_0notequal_zero() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_0NOTEQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_0notequal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_0NOTEQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_add() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_ADD)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(5).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_add_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_ADD)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_sub() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_SUB)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sub_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_SUB)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_booland() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_BOOLAND)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_booland_first() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLAND)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_booland_second() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_BOOLAND)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_booland_none() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLAND)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_booland_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLAND)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_boolor() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_BOOLOR)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_boolor_first() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLOR)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_boolor_second() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_BOOLOR)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_boolor_none() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLOR)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_boolor_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(0.into())
|
|
.push_opcode(Opcode::OP_BOOLOR)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequal() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMEQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequal_not() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_NUMEQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMEQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequalverify() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMEQUALVERIFY)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequalverify_failed() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_NUMEQUALVERIFY)
|
|
.into_script();
|
|
let result = Err(Error::NumEqualVerify);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_numequalverify_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMEQUALVERIFY)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_numnotequal() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_NUMNOTEQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_numnotequal_not() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMNOTEQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_numnotequal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_NUMNOTEQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthan() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_LESSTHAN)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthan_not() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_LESSTHAN)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthan_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_LESSTHAN)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthan() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHAN)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthan_not() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHAN)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthan_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHAN)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthanorequal() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_LESSTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthanorequal_equal() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_LESSTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthanorequal_not() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(1.into())
|
|
.push_opcode(Opcode::OP_LESSTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_lessthanorequal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_LESSTHANOREQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthanorequal() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthanorequal_equal() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(1).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthanorequal_not() {
|
|
let script = Builder::default()
|
|
.push_num(1.into())
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHANOREQUAL)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Num::from(0).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_greaterthanorequal_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_opcode(Opcode::OP_GREATERTHANOREQUAL)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_min() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_MIN)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(2).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_min_second() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_MIN)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(3).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_min_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_MIN)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_max() {
|
|
let script = Builder::default()
|
|
.push_num(2.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_MAX)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(3).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_max_second() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_num(3.into())
|
|
.push_opcode(Opcode::OP_MAX)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![Num::from(4).to_bytes()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_max_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_MAX)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_within() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(2.into())
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_WITHIN)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![vec![1].into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_within_not() {
|
|
let script = Builder::default()
|
|
.push_num(3.into())
|
|
.push_num(5.into())
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_WITHIN)
|
|
.into_script();
|
|
let result = Ok(false);
|
|
let stack = vec![Bytes::new()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
#[test]
|
|
fn test_within_invalid_stack() {
|
|
let script = Builder::default()
|
|
.push_num(5.into())
|
|
.push_num(4.into())
|
|
.push_opcode(Opcode::OP_WITHIN)
|
|
.into_script();
|
|
let result = Err(Error::InvalidStackOperation);
|
|
basic_test(&script, result, Stack::default());
|
|
}
|
|
|
|
#[test]
|
|
fn test_within_testnet_block_519() {
|
|
let script = Builder::default()
|
|
.push_num(1.into())
|
|
.push_num(0.into())
|
|
.push_num(1.into())
|
|
.push_opcode(Opcode::OP_WITHIN)
|
|
.push_opcode(Opcode::OP_NOT)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
let stack = vec![vec![1].into()].into();
|
|
basic_test(&script, result, stack);
|
|
}
|
|
|
|
// https://blockchain.info/rawtx/3f285f083de7c0acabd9f106a43ec42687ab0bebe2e6f0d529db696794540fea
|
|
#[test]
|
|
fn test_check_transaction_signature() {
|
|
let tx: Transaction = "0100000001484d40d45b9ea0d652fca8258ab7caa42541eb52975857f96fb50cd732c8b481000000008a47304402202cb265bf10707bf49346c3515dd3d16fc454618c58ec0a0ff448a676c54ff71302206c6624d762a1fcef4618284ead8f08678ac05b13c84235f1654e6ad168233e8201410414e301b2328f17442c0b8310d787bf3d8a404cfbd0704f135b6ad4b2d3ee751310f981926e53a6e8c39bd7d3fefd576c543cce493cbac06388f2651d1aacbfcdffffffff0162640100000000001976a914c8e90996c7c6080ee06284600c684ed904d14c5c88ac00000000".into();
|
|
let signer: TransactionInputSigner = tx.into();
|
|
let mut checker = TransactionSignatureChecker {
|
|
signer: signer,
|
|
input_index: 0,
|
|
input_amount: 0,
|
|
consensus_branch_id: 0,
|
|
cache: Default::default(),
|
|
};
|
|
let input: Script = "47304402202cb265bf10707bf49346c3515dd3d16fc454618c58ec0a0ff448a676c54ff71302206c6624d762a1fcef4618284ead8f08678ac05b13c84235f1654e6ad168233e8201410414e301b2328f17442c0b8310d787bf3d8a404cfbd0704f135b6ad4b2d3ee751310f981926e53a6e8c39bd7d3fefd576c543cce493cbac06388f2651d1aacbfcd".into();
|
|
let output: Script = "76a914df3bd30160e6c6145baaf2c88a8844c13a00d1d588ac".into();
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
assert_eq!(verify_script(&input, &output, &flags, &mut checker), Ok(()));
|
|
}
|
|
|
|
// https://blockchain.info/rawtx/02b082113e35d5386285094c2829e7e2963fa0b5369fb7f4b79c4c90877dcd3d
|
|
#[test]
|
|
fn test_check_transaction_multisig() {
|
|
let tx: Transaction = "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".into();
|
|
let signer: TransactionInputSigner = tx.into();
|
|
let mut checker = TransactionSignatureChecker {
|
|
signer: signer,
|
|
input_index: 0,
|
|
input_amount: 0,
|
|
consensus_branch_id: 0,
|
|
cache: Default::default(),
|
|
};
|
|
let input: Script = "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".into();
|
|
let output: Script = "a9141a8b0026343166625c7475f01e48b5ede8c0252e87".into();
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
assert_eq!(verify_script(&input, &output, &flags, &mut checker), Ok(()));
|
|
}
|
|
|
|
// https://blockchain.info/en/tx/12b5633bad1f9c167d523ad1aa1947b2732a865bf5414eab2f9e5ae5d5c191ba?show_adv=true
|
|
#[test]
|
|
fn test_transaction_with_high_s_signature() {
|
|
let tx: Transaction = "010000000173805864da01f15093f7837607ab8be7c3705e29a9d4a12c9116d709f8911e590100000049483045022052ffc1929a2d8bd365c6a2a4e3421711b4b1e1b8781698ca9075807b4227abcb0221009984107ddb9e3813782b095d0d84361ed4c76e5edaf6561d252ae162c2341cfb01ffffffff0200e1f50500000000434104baa9d36653155627c740b3409a734d4eaf5dcca9fb4f736622ee18efcf0aec2b758b2ec40db18fbae708f691edb2d4a2a3775eb413d16e2e3c0f8d4c69119fd1ac009ce4a60000000043410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac00000000".into();
|
|
let signer: TransactionInputSigner = tx.into();
|
|
let mut checker = TransactionSignatureChecker {
|
|
signer: signer,
|
|
input_index: 0,
|
|
input_amount: 0,
|
|
consensus_branch_id: 0,
|
|
cache: Default::default(),
|
|
};
|
|
let input: Script = "483045022052ffc1929a2d8bd365c6a2a4e3421711b4b1e1b8781698ca9075807b4227abcb0221009984107ddb9e3813782b095d0d84361ed4c76e5edaf6561d252ae162c2341cfb01".into();
|
|
let output: Script = "410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac".into();
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
assert_eq!(verify_script(&input, &output, &flags, &mut checker), Ok(()));
|
|
}
|
|
|
|
// https://blockchain.info/rawtx/fb0a1d8d34fa5537e461ac384bac761125e1bfa7fec286fa72511240fa66864d
|
|
#[test]
|
|
fn test_transaction_from_124276() {
|
|
let tx: Transaction = "01000000012316aac445c13ff31af5f3d1e2cebcada83e54ba10d15e01f49ec28bddc285aa000000008e4b3048022200002b83d59c1d23c08efd82ee0662fec23309c3adbcbd1f0b8695378db4b14e736602220000334a96676e58b1bb01784cb7c556dd8ce1c220171904da22e18fe1e7d1510db5014104d0fe07ff74c9ef5b00fed1104fad43ecf72dbab9e60733e4f56eacf24b20cf3b8cd945bcabcc73ba0158bf9ce769d43e94bd58c5c7e331a188922b3fe9ca1f5affffffff01c0c62d00000000001976a9147a2a3b481ca80c4ba7939c54d9278e50189d94f988ac00000000".into();
|
|
let signer: TransactionInputSigner = tx.into();
|
|
let mut checker = TransactionSignatureChecker {
|
|
signer: signer,
|
|
input_index: 0,
|
|
input_amount: 0,
|
|
consensus_branch_id: 0,
|
|
cache: Default::default(),
|
|
};
|
|
let input: Script = "4b3048022200002b83d59c1d23c08efd82ee0662fec23309c3adbcbd1f0b8695378db4b14e736602220000334a96676e58b1bb01784cb7c556dd8ce1c220171904da22e18fe1e7d1510db5014104d0fe07ff74c9ef5b00fed1104fad43ecf72dbab9e60733e4f56eacf24b20cf3b8cd945bcabcc73ba0158bf9ce769d43e94bd58c5c7e331a188922b3fe9ca1f5a".into();
|
|
let output: Script = "76a9147a2a3b481ca80c4ba7939c54d9278e50189d94f988ac".into();
|
|
let flags = VerificationFlags::default().verify_p2sh(true);
|
|
assert_eq!(verify_script(&input, &output, &flags, &mut checker), Ok(()));
|
|
}
|
|
|
|
// https://blockchain.info/rawtx/54fabd73f1d20c980a0686bf0035078e07f69c58437e4d586fb29aa0bee9814f
|
|
#[test]
|
|
fn test_arithmetic_correct_arguments_order() {
|
|
let tx: Transaction = "01000000010c0e314bd7bb14721b3cfd8e487cd6866173354f87ca2cf4d13c8d3feb4301a6000000004a483045022100d92e4b61452d91a473a43cde4b469a472467c0ba0cbd5ebba0834e4f4762810402204802b76b7783db57ac1f61d2992799810e173e91055938750815b6d8a675902e014fffffffff0140548900000000001976a914a86e8ee2a05a44613904e18132e49b2448adc4e688ac00000000".into();
|
|
let signer: TransactionInputSigner = tx.into();
|
|
let mut checker = TransactionSignatureChecker {
|
|
signer: signer,
|
|
input_index: 0,
|
|
input_amount: 0,
|
|
consensus_branch_id: 0,
|
|
cache: Default::default(),
|
|
};
|
|
let input: Script = "483045022100d92e4b61452d91a473a43cde4b469a472467c0ba0cbd5ebba0834e4f4762810402204802b76b7783db57ac1f61d2992799810e173e91055938750815b6d8a675902e014f".into();
|
|
let output: Script = "76009f69905160a56b210378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71ad6c".into();
|
|
let flags = VerificationFlags::default();
|
|
assert_eq!(verify_script(&input, &output, &flags, &mut checker), Ok(()));
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid_opcode_in_dead_execution_path_b83() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_0)
|
|
.push_opcode(Opcode::OP_IF)
|
|
.push_invalid_opcode()
|
|
.push_opcode(Opcode::OP_ELSE)
|
|
.push_opcode(Opcode::OP_1)
|
|
.push_opcode(Opcode::OP_ENDIF)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
basic_test(&script, result, vec![vec![1].into()].into());
|
|
}
|
|
|
|
#[test]
|
|
fn test_skipping_sequencetimeverify() {
|
|
let script = Builder::default()
|
|
.push_opcode(Opcode::OP_1)
|
|
.push_opcode(Opcode::OP_NOP1)
|
|
.push_opcode(Opcode::OP_CHECKLOCKTIMEVERIFY)
|
|
.push_opcode(Opcode::OP_CHECKSEQUENCEVERIFY)
|
|
.push_opcode(Opcode::OP_NOP4)
|
|
.push_opcode(Opcode::OP_NOP5)
|
|
.push_opcode(Opcode::OP_NOP6)
|
|
.push_opcode(Opcode::OP_NOP7)
|
|
.push_opcode(Opcode::OP_NOP8)
|
|
.push_opcode(Opcode::OP_NOP9)
|
|
.push_opcode(Opcode::OP_NOP10)
|
|
.push_opcode(Opcode::OP_1)
|
|
.push_opcode(Opcode::OP_EQUAL)
|
|
.into_script();
|
|
let result = Ok(true);
|
|
basic_test(&script, result, vec![vec![1].into()].into());
|
|
}
|
|
}
|