diff options
Diffstat (limited to 'src/script/ismine.cpp')
| -rw-r--r-- | src/script/ismine.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/script/ismine.cpp b/src/script/ismine.cpp index bebaf9ea82..2f710782fb 100644 --- a/src/script/ismine.cpp +++ b/src/script/ismine.cpp @@ -76,6 +76,11 @@ isminetype IsMineInner(const CKeyStore& keystore, const CScript& scriptPubKey, b break; case TX_WITNESS_V0_KEYHASH: { + if (sigversion == IsMineSigVersion::WITNESS_V0) { + // P2WPKH inside P2WSH is invalid. + isInvalid = true; + return ISMINE_NO; + } if (sigversion == IsMineSigVersion::TOP && !keystore.HaveCScript(CScriptID(CScript() << OP_0 << vSolutions[0]))) { // We do not support bare witness outputs unless the P2SH version of it would be // acceptable as well. This protects against matching before segwit activates. @@ -100,6 +105,11 @@ isminetype IsMineInner(const CKeyStore& keystore, const CScript& scriptPubKey, b break; case TX_SCRIPTHASH: { + if (sigversion != IsMineSigVersion::TOP) { + // P2SH inside P2WSH or P2SH is invalid. + isInvalid = true; + return ISMINE_NO; + } CScriptID scriptID = CScriptID(uint160(vSolutions[0])); CScript subscript; if (keystore.GetCScript(scriptID, subscript)) { @@ -109,6 +119,11 @@ isminetype IsMineInner(const CKeyStore& keystore, const CScript& scriptPubKey, b } case TX_WITNESS_V0_SCRIPTHASH: { + if (sigversion == IsMineSigVersion::WITNESS_V0) { + // P2WSH inside P2WSH is invalid. + isInvalid = true; + return ISMINE_NO; + } if (sigversion == IsMineSigVersion::TOP && !keystore.HaveCScript(CScriptID(CScript() << OP_0 << vSolutions[0]))) { break; } |