67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
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#include "ncc.h"
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bool DecodeNCCScript(const CScript& scriptIn, int& op, std::vector<std::vector<unsigned char> >& vvchParams)
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{
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CScript::const_iterator pc = scriptIn.begin();
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return DecodeNCCScript(scriptIn, op, vvchParams, pc);
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}
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bool DecodeNCCScript(const CScript& scriptIn, int& op, std::vector<std::vector<unsigned char> >& vvchParams, CScript::const_iterator& pc)
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{
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opcodetype opcode;
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if (!scriptIn.GetOp(pc, opcode))
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{
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return false;
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}
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if (opcode != OP_CLAIM_NAME)
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{
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return false;
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}
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op = opcode;
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std::vector<unsigned char> vchName;
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std::vector<unsigned char> vchValue;
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// The correct format is:
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// OP_CLAIM_NAME vchName vchValue OP_DROP2 OP_DROP pubkeyscript
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// All others are invalid.
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if (!scriptIn.GetOp(pc, opcode, vchName) || opcode < 0 || opcode > OP_PUSHDATA4)
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{
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return false;
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}
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if (!scriptIn.GetOp(pc, opcode, vchValue) || opcode < 0 || opcode > OP_PUSHDATA4)
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{
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return false;
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}
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if (!scriptIn.GetOp(pc, opcode) || opcode != OP_2DROP)
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{
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return false;
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}
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if (!scriptIn.GetOp(pc, opcode) || opcode != OP_DROP)
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{
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return false;
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}
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vvchParams.push_back(vchName);
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vvchParams.push_back(vchValue);
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return true;
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}
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CScript StripNCCScriptPrefix(const CScript& scriptIn)
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{
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int op;
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std::vector<std::vector<unsigned char> > vvchParams;
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CScript::const_iterator pc = scriptIn.begin();
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if (!DecodeNCCScript(scriptIn, op, vvchParams, pc))
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{
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return scriptIn;
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}
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return CScript(pc, scriptIn.end());
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}
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