| 56 | } |
| 57 | |
| 58 | IsMineResult IsMineInner(const CKeyStore& keystore, const CScript& scriptPubKey, IsMineSigVersion sigversion) |
| 59 | { |
| 60 | IsMineResult ret = IsMineResult::NO; |
| 61 | |
| 62 | std::vector<valtype> vSolutions; |
| 63 | txnouttype whichType; |
| 64 | Solver(scriptPubKey, whichType, vSolutions); |
| 65 | |
| 66 | CKeyID keyID; |
| 67 | switch (whichType) |
| 68 | { |
| 69 | case TX_NONSTANDARD: |
| 70 | case TX_NULL_DATA: |
| 71 | case TX_WITNESS_UNKNOWN: |
| 72 | break; |
| 73 | case TX_PUBKEY: |
| 74 | keyID = CPubKey(vSolutions[0]).GetID(); |
| 75 | if (!PermitsUncompressed(sigversion) && vSolutions[0].size() != 33) { |
| 76 | return IsMineResult::INVALID; |
| 77 | } |
| 78 | if (keystore.HaveKey(keyID)) { |
| 79 | ret = std::max(ret, IsMineResult::SPENDABLE); |
| 80 | } |
| 81 | break; |
| 82 | case TX_WITNESS_V0_KEYHASH: |
| 83 | { |
| 84 | if (sigversion == IsMineSigVersion::WITNESS_V0) { |
| 85 | // P2WPKH inside P2WSH is invalid. |
| 86 | return IsMineResult::INVALID; |
| 87 | } |
| 88 | if (sigversion == IsMineSigVersion::TOP && !keystore.HaveCScript(CScriptID(CScript() << OP_0 << vSolutions[0]))) { |
| 89 | // We do not support bare witness outputs unless the P2SH version of it would be |
| 90 | // acceptable as well. This protects against matching before segwit activates. |
| 91 | // This also applies to the P2WSH case. |
| 92 | break; |
| 93 | } |
| 94 | ret = std::max(ret, IsMineInner(keystore, GetScriptForDestination(CKeyID(uint160(vSolutions[0]))), IsMineSigVersion::WITNESS_V0)); |
| 95 | break; |
| 96 | } |
| 97 | case TX_PUBKEYHASH: |
| 98 | keyID = CKeyID(uint160(vSolutions[0])); |
| 99 | if (!PermitsUncompressed(sigversion)) { |
| 100 | CPubKey pubkey; |
| 101 | if (keystore.GetPubKey(keyID, pubkey) && !pubkey.IsCompressed()) { |
| 102 | return IsMineResult::INVALID; |
| 103 | } |
| 104 | } |
| 105 | if (keystore.HaveKey(keyID)) { |
| 106 | ret = std::max(ret, IsMineResult::SPENDABLE); |
| 107 | } |
| 108 | break; |
| 109 | case TX_SCRIPTHASH: |
| 110 | { |
| 111 | if (sigversion != IsMineSigVersion::TOP) { |
| 112 | // P2SH inside P2WSH or P2SH is invalid. |
| 113 | return IsMineResult::INVALID; |
| 114 | } |
| 115 | CScriptID scriptID = CScriptID(uint160(vSolutions[0])); |
no test coverage detected