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 <span id="projectnumber">0.12.2.1</span>
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<div class="title">interpreter.cpp File Reference</div> </div>
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<div class="textblock"><code>#include "<a class="el" href="interpreter_8h_source.html">interpreter.h</a>"</code><br />
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<code>#include "<a class="el" href="transaction_8h_source.html">primitives/transaction.h</a>"</code><br />
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<code>#include "<a class="el" href="ripemd160_8h_source.html">crypto/ripemd160.h</a>"</code><br />
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<code>#include "<a class="el" href="sha1_8h_source.html">crypto/sha1.h</a>"</code><br />
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<code>#include "<a class="el" href="sha256_8h_source.html">crypto/sha256.h</a>"</code><br />
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<code>#include "<a class="el" href="pubkey_8h_source.html">pubkey.h</a>"</code><br />
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<code>#include "<a class="el" href="script_8h_source.html">script/script.h</a>"</code><br />
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<code>#include "<a class="el" href="uint256_8h_source.html">uint256.h</a>"</code><br />
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</div>
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<p><a href="interpreter_8cpp_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:aaf94de5290fb16fe0fc816330febe57e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#aaf94de5290fb16fe0fc816330febe57e">stacktop</a>(i)   (stack.at(stack.size()+(i)))</td></tr>
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<tr class="separator:aaf94de5290fb16fe0fc816330febe57e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab87a1e371e31c052501ad87f84ac36d7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#ab87a1e371e31c052501ad87f84ac36d7">altstacktop</a>(i)   (altstack.at(altstack.size()+(i)))</td></tr>
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<tr class="separator:ab87a1e371e31c052501ad87f84ac36d7"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr class="memitem:a46431d6091a182af4f5edb1d147a9120"><td class="memItemLeft" align="right" valign="top">typedef vector< unsigned char > </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a></td></tr>
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<tr class="separator:a46431d6091a182af4f5edb1d147a9120"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a43bc2157638b796f2e3144963e00db34"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a43bc2157638b796f2e3144963e00db34">CastToBool</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &vch)</td></tr>
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<tr class="separator:a43bc2157638b796f2e3144963e00db34"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8a6c5e60bc410bea032ace92ff6461ee"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a8a6c5e60bc410bea032ace92ff6461ee">popstack</a> (vector< <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> > &stack)</td></tr>
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<tr class="separator:a8a6c5e60bc410bea032ace92ff6461ee"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a911a8699bdb4314ccba8553ba3522d23"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a911a8699bdb4314ccba8553ba3522d23">IsCompressedOrUncompressedPubKey</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &vchPubKey)</td></tr>
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<tr class="separator:a911a8699bdb4314ccba8553ba3522d23"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2e47b027868e878b9a7227bb4342a615"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a2e47b027868e878b9a7227bb4342a615">IsValidSignatureEncoding</a> (const std::vector< unsigned char > &sig)</td></tr>
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<tr class="separator:a2e47b027868e878b9a7227bb4342a615"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a564b26c1fa2d8cd82acd49f12fff452b"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a564b26c1fa2d8cd82acd49f12fff452b">IsLowDERSignature</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &vchSig, <a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> *serror)</td></tr>
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<tr class="separator:a564b26c1fa2d8cd82acd49f12fff452b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a10b82cfa960aba7c714878a6c5ba6424"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a10b82cfa960aba7c714878a6c5ba6424">IsDefinedHashtypeSignature</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &vchSig)</td></tr>
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<tr class="separator:a10b82cfa960aba7c714878a6c5ba6424"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa4e3a87396b4a90745bedbc16a341d13"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#aa4e3a87396b4a90745bedbc16a341d13">CheckSignatureEncoding</a> (const vector< unsigned char > &vchSig, unsigned int <a class="el" href="dash-tx_8cpp.html#ac8bf36fe0577cba66bccda3a6f7e80a4">flags</a>, <a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> *serror)</td></tr>
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<tr class="separator:aa4e3a87396b4a90745bedbc16a341d13"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a83f4fbe59027270960fc50871837e32d"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a83f4fbe59027270960fc50871837e32d">CheckPubKeyEncoding</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &vchSig, unsigned int <a class="el" href="dash-tx_8cpp.html#ac8bf36fe0577cba66bccda3a6f7e80a4">flags</a>, <a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> *serror)</td></tr>
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<tr class="separator:a83f4fbe59027270960fc50871837e32d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac9207762faf2c5d0ce9ad3140c0516d5"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#ac9207762faf2c5d0ce9ad3140c0516d5">CheckMinimalPush</a> (const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> &data, <a class="el" href="script_8h.html#a63e349a6089a54da9fe09a3d858648bd">opcodetype</a> opcode)</td></tr>
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<tr class="separator:ac9207762faf2c5d0ce9ad3140c0516d5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac4771aca705bf2383b2777e36055b7f4"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#ac4771aca705bf2383b2777e36055b7f4">EvalScript</a> (vector< vector< unsigned char > > &stack, const <a class="el" href="classCScript.html">CScript</a> &script, unsigned int <a class="el" href="dash-tx_8cpp.html#ac8bf36fe0577cba66bccda3a6f7e80a4">flags</a>, const <a class="el" href="classBaseSignatureChecker.html">BaseSignatureChecker</a> &checker, <a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> *serror)</td></tr>
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<tr class="separator:ac4771aca705bf2383b2777e36055b7f4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a746fd004a62173bb42801259780a3336"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classuint256.html">uint256</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a746fd004a62173bb42801259780a3336">SignatureHash</a> (const <a class="el" href="classCScript.html">CScript</a> &scriptCode, const <a class="el" href="classCTransaction.html">CTransaction</a> &txTo, unsigned int nIn, int nHashType)</td></tr>
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<tr class="separator:a746fd004a62173bb42801259780a3336"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a56bc5c34addf9d85b8b7637f3738a125"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="interpreter_8cpp.html#a56bc5c34addf9d85b8b7637f3738a125">VerifyScript</a> (const <a class="el" href="classCScript.html">CScript</a> &scriptSig, const <a class="el" href="classCScript.html">CScript</a> &scriptPubKey, unsigned int <a class="el" href="dash-tx_8cpp.html#ac8bf36fe0577cba66bccda3a6f7e80a4">flags</a>, const <a class="el" href="classBaseSignatureChecker.html">BaseSignatureChecker</a> &checker, <a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> *serror)</td></tr>
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<tr class="separator:a56bc5c34addf9d85b8b7637f3738a125"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<a id="ab87a1e371e31c052501ad87f84ac36d7"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab87a1e371e31c052501ad87f84ac36d7">◆ </a></span>altstacktop</h2>
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<td class="memname">#define altstacktop</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">i</td><td>)</td>
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<td>   (altstack.at(altstack.size()+(i)))</td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00058">58</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>.</p>
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<a id="aaf94de5290fb16fe0fc816330febe57e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aaf94de5290fb16fe0fc816330febe57e">◆ </a></span>stacktop</h2>
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<td class="memname">#define stacktop</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">i</td><td>)</td>
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<td>   (stack.at(stack.size()+(i)))</td>
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<p>Script is a stack machine (like Forth) that evaluates a predicate returning a bool indicating valid or not. There are no loops. </p>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00057">57</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>.</p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<a id="a46431d6091a182af4f5edb1d147a9120"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a46431d6091a182af4f5edb1d147a9120">◆ </a></span>valtype</h2>
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<td class="memname">typedef vector<unsigned char> <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a></td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00018">18</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="a43bc2157638b796f2e3144963e00db34"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a43bc2157638b796f2e3144963e00db34">◆ </a></span>CastToBool()</h2>
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<td class="memname">bool CastToBool </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="interpreter_8cpp.html#a46431d6091a182af4f5edb1d147a9120">valtype</a> & </td>
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<td class="paramname"><em>vch</em></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00038">38</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>, and <a class="el" href="interpreter_8cpp_source.html#l01242">VerifyScript()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac9207762faf2c5d0ce9ad3140c0516d5">◆ </a></span>CheckMinimalPush()</h2>
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<td class="paramtype"><a class="el" href="script_8h.html#a63e349a6089a54da9fe09a3d858648bd">opcodetype</a> </td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00209">209</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a83f4fbe59027270960fc50871837e32d">◆ </a></span>CheckPubKeyEncoding()</h2>
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<td class="paramtype"><a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> * </td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00202">202</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa4e3a87396b4a90745bedbc16a341d13">◆ </a></span>CheckSignatureEncoding()</h2>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00185">185</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>, and <a class="el" href="core__write_8cpp_source.html#l00075">ScriptToAsmStr()</a>.</p>
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<td class="memname">bool EvalScript </td>
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<td class="paramtype"><a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> * </td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00232">232</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="policy_8cpp_source.html#l00123">AreInputsStandard()</a>, <a class="el" href="sign_8cpp_source.html#l00265">CombineSignatures()</a>, and <a class="el" href="interpreter_8cpp_source.html#l01242">VerifyScript()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a911a8699bdb4314ccba8553ba3522d23">◆ </a></span>IsCompressedOrUncompressedPubKey()</h2>
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<td class="memname">static bool IsCompressedOrUncompressedPubKey </td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00066">66</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00202">CheckPubKeyEncoding()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a10b82cfa960aba7c714878a6c5ba6424">◆ </a></span>IsDefinedHashtypeSignature()</h2>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00174">174</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00185">CheckSignatureEncoding()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a564b26c1fa2d8cd82acd49f12fff452b">◆ </a></span>IsLowDERSignature()</h2>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00163">163</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00185">CheckSignatureEncoding()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2e47b027868e878b9a7227bb4342a615">◆ </a></span>IsValidSignatureEncoding()</h2>
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<p>A canonical signature exists of: <30> <total len>=""> <02> <len r>=""> <R> <02> <len s>=""> <S> <hashtype> Where R and S are not negative (their first byte has its highest bit not set), and not excessively padded (do not start with a 0 byte, unless an otherwise negative number follows, in which case a single 0 byte is necessary and even required).</p>
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<p>See <a href="https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623">https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623</a></p>
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<p>This function is consensus-critical since BIP66. </p>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00098">98</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00185">CheckSignatureEncoding()</a>, and <a class="el" href="interpreter_8cpp_source.html#l00163">IsLowDERSignature()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8a6c5e60bc410bea032ace92ff6461ee">◆ </a></span>popstack()</h2>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l00059">59</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l00232">EvalScript()</a>, and <a class="el" href="interpreter_8cpp_source.html#l01242">VerifyScript()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a746fd004a62173bb42801259780a3336">◆ </a></span>SignatureHash()</h2>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l01109">1109</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="interpreter_8cpp_source.html#l01139">TransactionSignatureChecker::CheckSig()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a56bc5c34addf9d85b8b7637f3738a125">◆ </a></span>VerifyScript()</h2>
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<td class="memname">bool VerifyScript </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classCScript.html">CScript</a> & </td>
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<td class="paramname"><em>scriptSig</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="classCScript.html">CScript</a> & </td>
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<td class="paramname"><em>scriptPubKey</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">unsigned int </td>
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<td class="paramname"><em>flags</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="classBaseSignatureChecker.html">BaseSignatureChecker</a> & </td>
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<td class="paramname"><em>checker</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="script__error_8h.html#ad4323df51ed704d5f9eaef57ad5a425c">ScriptError</a> * </td>
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<td class="paramname"><em>serror</em> </td>
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<td></td>
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<td>)</td>
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<p class="definition">Definition at line <a class="el" href="interpreter_8cpp_source.html#l01242">1242</a> of file <a class="el" href="interpreter_8cpp_source.html">interpreter.cpp</a>.</p>
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<p class="reference">Referenced by <a class="el" href="dashconsensus_8cpp_source.html#l00072">dashconsensus_verify_script()</a>, <a class="el" href="privatesend-server_8cpp_source.html#l00546">CPrivateSendServer::IsInputScriptSigValid()</a>, <a class="el" href="dash-tx_8cpp_source.html#l00366">MutateTxSign()</a>, <a class="el" href="validation_8cpp_source.html#l01467">CScriptCheck::operator()()</a>, <a class="el" href="sign_8cpp_source.html#l00104">ProduceSignature()</a>, and <a class="el" href="rawtransaction_8cpp_source.html#l00588">signrawtransaction()</a>.</p>
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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_fe414d616bd0c4668e6515f48824338f.html">script</a></li><li class="navelem"><a class="el" href="interpreter_8cpp.html">interpreter.cpp</a></li>
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<li class="footer">Generated on Thu Dec 14 2017 13:15:11 for Dash Core by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li>
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