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Resolve issue 3166.

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These changes decode valid SIGHASH types on signatures in assembly (asm) representations of scriptSig scripts.
This squashed commit incorporates substantial helpful feedback from jtimon, laanwj, and sipa.
This commit is contained in:
mruddy 2015-07-30 19:56:00 -04:00
parent 675d2feffa
commit af3208bfa6
12 changed files with 206 additions and 49 deletions
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2
src/script/interpreter.cpp
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@ -188,7 +188,7 @@ bool static IsDefinedHashtypeSignature(const valtype &vchSig) {
return true;
}
bool static CheckSignatureEncoding(const valtype &vchSig, unsigned int flags, ScriptError* serror) {
bool CheckSignatureEncoding(const vector<unsigned char> &vchSig, unsigned int flags, ScriptError* serror) {
// Empty signature. Not strictly DER encoded, but allowed to provide a
// compact way to provide an invalid signature for use with CHECK(MULTI)SIG
if (vchSig.size() == 0) {