Hush Full Node software. We were censored from Github, this is where all development happens now.
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459 lines
15 KiB
459 lines
15 KiB
// Copyright (c) 2016-2024 The Hush developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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/******************************************************************************
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* Copyright © 2014-2019 The SuperNET Developers. *
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* *
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* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
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* the top-level directory of this distribution for the individual copyright *
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* holder information and the developer policies on copyright and licensing. *
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* *
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* Unless otherwise agreed in a custom licensing agreement, no part of the *
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* SuperNET software, including this file may be copied, modified, propagated *
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* or distributed except according to the terms contained in the LICENSE file *
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* *
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* Removal or modification of this copyright notice is prohibited. *
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* *
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******************************************************************************/
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// CCutils has low level functions that are universally useful for all contracts.
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#include "CCinclude.h"
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#include "hush_structs.h"
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#include "key_io.h"
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#ifdef TESTMODE
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#define MIN_NON_NOTARIZED_CONFIRMS 2
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#else
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#define MIN_NON_NOTARIZED_CONFIRMS 101
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#endif // TESTMODE
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int32_t hush_dpowconfs(int32_t height,int32_t numconfs);
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struct hush_state *hush_stateptr(char *symbol,char *dest);
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extern uint32_t HUSH_DPOWCONFS;
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void endiancpy(uint8_t *dest,uint8_t *src,int32_t len)
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{
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int32_t i,j=0;
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#if defined(WORDS_BIGENDIAN)
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for (i=31; i>=0; i--)
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dest[j++] = src[i];
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#else
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memcpy(dest,src,len);
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#endif
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}
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int32_t has_opret(const CTransaction &tx, uint8_t evalcode)
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{
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int i = 0;
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for ( auto vout : tx.vout )
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{
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//fprintf(stderr, "[txid.%s] 1.%i 2.%i 3.%i 4.%i\n",tx.GetHash().GetHex().c_str(), vout.scriptPubKey[0], vout.scriptPubKey[1], vout.scriptPubKey[2], vout.scriptPubKey[3]);
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if ( vout.scriptPubKey.size() > 3 && vout.scriptPubKey[0] == OP_RETURN && vout.scriptPubKey[2] == evalcode )
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return i;
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i++;
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}
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return 0;
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}
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bool makeCCopret(CScript &opret, std::vector<std::vector<unsigned char>> &vData)
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{
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return false;
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}
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CTxOut MakeCC1vout(uint8_t evalcode,CAmount nValue, CPubKey pk, std::vector<std::vector<unsigned char>>* vData)
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{
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CTxOut vout;
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return(vout);
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}
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CTxOut MakeCC1of2vout(uint8_t evalcode,CAmount nValue,CPubKey pk1,CPubKey pk2, std::vector<std::vector<unsigned char>>* vData)
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{
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CTxOut vout;
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return(vout);
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}
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bool IsCCInput(CScript const& scriptSig)
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{
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return false;
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}
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bool CheckTxFee(const CTransaction &tx, uint64_t txfee, uint32_t height, uint64_t blocktime, int64_t &actualtxfee)
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{
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LOCK(mempool.cs);
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CCoinsView dummy;
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CCoinsViewCache view(&dummy);
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int64_t interest; uint64_t valuein;
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CCoinsViewMemPool viewMemPool(pcoinsTip, mempool);
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view.SetBackend(viewMemPool);
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valuein = view.GetValueIn(height,&interest,tx,blocktime);
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actualtxfee = valuein-tx.GetValueOut();
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if ( actualtxfee > txfee )
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{
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//fprintf(stderr, "actualtxfee.%li vs txfee.%li\n", actualtxfee, txfee);
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return false;
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}
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return true;
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}
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uint32_t GetLatestTimestamp(int32_t height)
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{
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if ( HUSH_NSPV_SUPERLITE ) return ((uint32_t)NSPV_blocktime(height));
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return(hush_heightstamp(height));
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} // :P
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void CCaddr2set(struct CCcontract_info *cp,uint8_t evalcode,CPubKey pk,uint8_t *priv,char *coinaddr)
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{
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cp->unspendableEvalcode2 = evalcode;
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cp->unspendablepk2 = pk;
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memcpy(cp->unspendablepriv2,priv,32);
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strcpy(cp->unspendableaddr2,coinaddr);
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}
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void CCaddr3set(struct CCcontract_info *cp,uint8_t evalcode,CPubKey pk,uint8_t *priv,char *coinaddr)
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{
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cp->unspendableEvalcode3 = evalcode;
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cp->unspendablepk3 = pk;
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memcpy(cp->unspendablepriv3,priv,32);
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strcpy(cp->unspendableaddr3,coinaddr);
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}
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void CCaddr1of2set(struct CCcontract_info *cp, CPubKey pk1, CPubKey pk2, uint8_t *priv, char *coinaddr)
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{
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cp->coins1of2pk[0] = pk1;
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cp->coins1of2pk[1] = pk2;
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memcpy(cp->coins1of2priv,priv,32);
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strcpy(cp->coins1of2addr,coinaddr);
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}
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void CCaddrTokens1of2set(struct CCcontract_info *cp, CPubKey pk1, CPubKey pk2, uint8_t *priv, char *tokenaddr)
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{
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cp->tokens1of2pk[0] = pk1;
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cp->tokens1of2pk[1] = pk2;
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memcpy(cp->tokens1of2priv,priv,32);
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strcpy(cp->tokens1of2addr, tokenaddr);
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}
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bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey)
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{
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CTxDestination address; txnouttype whichType;
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destaddr[0] = 0;
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if ( scriptPubKey.begin() != 0 )
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{
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if ( ExtractDestination(scriptPubKey,address) != 0 )
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{
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strcpy(destaddr,(char *)CBitcoinAddress(address).ToString().c_str());
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return(true);
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}
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}
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//fprintf(stderr,"ExtractDestination failed\n");
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return(false);
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}
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bool GetCustomscriptaddress(char *destaddr,const CScript &scriptPubKey,uint8_t taddr,uint8_t prefix, uint8_t prefix2)
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{
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CTxDestination address; txnouttype whichType;
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if ( ExtractDestination(scriptPubKey,address) != 0 )
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{
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strcpy(destaddr,(char *)CCustomBitcoinAddress(address,taddr,prefix,prefix2).ToString().c_str());
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return(true);
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}
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//fprintf(stderr,"ExtractDestination failed\n");
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return(false);
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}
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bool pubkey2addr(char *destaddr,uint8_t *pubkey33)
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{
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std::vector<uint8_t>pk; int32_t i;
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for (i=0; i<33; i++)
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pk.push_back(pubkey33[i]);
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return(Getscriptaddress(destaddr,CScript() << pk << OP_CHECKSIG));
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}
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bool ConstrainVout(CTxOut vout, int32_t CCflag, char *cmpaddr, int64_t nValue)
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{
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char destaddr[64];
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if ( vout.scriptPubKey.IsPayToCryptoCondition() != CCflag )
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{
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fprintf(stderr,"constrain vout error isCC %d vs %d CCflag\n", vout.scriptPubKey.IsPayToCryptoCondition(), CCflag);
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return(false);
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}
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else if ( cmpaddr != 0 && (Getscriptaddress(destaddr, vout.scriptPubKey) == 0 || strcmp(destaddr, cmpaddr) != 0) )
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{
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fprintf(stderr,"constrain vout error: check addr %s vs script addr %s\n", cmpaddr!=0?cmpaddr:"", destaddr!=0?destaddr:"");
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return(false);
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}
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else if ( nValue != 0 && nValue != vout.nValue ) //(nValue == 0 && vout.nValue < 10000) || (
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{
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fprintf(stderr,"constrain vout error nValue %.8f vs %.8f\n",(double)nValue/COIN,(double)vout.nValue/COIN);
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return(false);
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}
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else return(true);
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}
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bool priv2addr(char *coinaddr,uint8_t *buf33,uint8_t priv32[32])
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{
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CKey priv; CPubKey pk; int32_t i; uint8_t *src;
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priv.SetKey32(priv32);
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pk = priv.GetPubKey();
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if ( buf33 != 0 )
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{
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src = (uint8_t *)pk.begin();
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for (i=0; i<33; i++)
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buf33[i] = src[i];
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}
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return(Getscriptaddress(coinaddr, CScript() << ParseHex(HexStr(pk)) << OP_CHECKSIG));
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}
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std::vector<uint8_t> Mypubkey()
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{
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extern uint8_t NOTARY_PUBKEY33[33];
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std::vector<uint8_t> pubkey; int32_t i; uint8_t *dest,*pubkey33;
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pubkey33 = NOTARY_PUBKEY33;
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pubkey.resize(33);
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dest = pubkey.data();
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for (i=0; i<33; i++)
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dest[i] = pubkey33[i];
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return(pubkey);
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}
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extern char NSPV_wifstr[],NSPV_pubkeystr[];
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extern uint32_t NSPV_logintime;
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#define NSPV_AUTOLOGOUT 777
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bool Myprivkey(uint8_t myprivkey[])
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{
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char coinaddr[64],checkaddr[64]; std::string strAddress; char *dest; int32_t i,n; CBitcoinAddress address; CKeyID keyID; CKey vchSecret; uint8_t buf33[33];
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if ( HUSH_NSPV_SUPERLITE )
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{
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if ( NSPV_logintime == 0 || time(NULL) > NSPV_logintime+NSPV_AUTOLOGOUT )
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{
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fprintf(stderr,"need to be logged in to get myprivkey\n");
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return false;
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}
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vchSecret = DecodeSecret(NSPV_wifstr);
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memcpy(myprivkey,vchSecret.begin(),32);
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//for (i=0; i<32; i++)
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// fprintf(stderr,"%02x",myprivkey[i]);
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//fprintf(stderr," myprivkey %s\n",NSPV_wifstr);
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memset((uint8_t *)vchSecret.begin(),0,32);
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return true;
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}
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if ( Getscriptaddress(coinaddr,CScript() << Mypubkey() << OP_CHECKSIG) != 0 )
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{
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n = (int32_t)strlen(coinaddr);
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strAddress.resize(n+1);
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dest = (char *)strAddress.data();
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for (i=0; i<n; i++)
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dest[i] = coinaddr[i];
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dest[i] = 0;
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if ( address.SetString(strAddress) != 0 && address.GetKeyID(keyID) != 0 )
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{
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#ifdef ENABLE_WALLET
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if ( pwalletMain->GetKey(keyID,vchSecret) != 0 )
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{
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memcpy(myprivkey,vchSecret.begin(),32);
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memset((uint8_t *)vchSecret.begin(),0,32);
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if ( 0 )
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{
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for (i=0; i<32; i++)
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fprintf(stderr,"0x%02x, ",myprivkey[i]);
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fprintf(stderr," found privkey for %s!\n",dest);
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}
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if ( priv2addr(checkaddr,buf33,myprivkey) != 0 )
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{
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if ( buf2pk(buf33) == Mypubkey() && strcmp(checkaddr,coinaddr) == 0 )
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return(true);
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else printf("mismatched privkey -> addr %s vs %s\n",checkaddr,coinaddr);
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}
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return(false);
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}
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#endif
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}
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}
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fprintf(stderr,"privkey for the -pubkey= address is not in the wallet, importprivkey!\n");
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return(false);
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}
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CPubKey GetUnspendable(struct CCcontract_info *cp,uint8_t *unspendablepriv)
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{
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if ( unspendablepriv != 0 )
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memcpy(unspendablepriv,cp->CCpriv,32);
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return(pubkey2pk(ParseHex(cp->CChexstr)));
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}
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int32_t NSPV_coinaddr_inmempool(char const *logcategory,char *coinaddr,uint8_t CCflag);
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int32_t myIs_coinaddr_inmempoolvout(char const *logcategory,char *coinaddr)
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{
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int32_t i,n; char destaddr[64];
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if ( HUSH_NSPV_SUPERLITE )
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return(NSPV_coinaddr_inmempool(logcategory,coinaddr,1));
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BOOST_FOREACH(const CTxMemPoolEntry &e,mempool.mapTx)
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{
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const CTransaction &tx = e.GetTx();
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if ( (n= tx.vout.size()) > 0 )
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{
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const uint256 &txid = tx.GetHash();
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for (i=0; i<n; i++)
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{
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Getscriptaddress(destaddr,tx.vout[i].scriptPubKey);
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if ( strcmp(destaddr,coinaddr) == 0 )
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{
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LogPrint(logcategory,"found (%s) vout in mempool\n",coinaddr);
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return(1);
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}
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}
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}
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}
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return(0);
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}
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extern struct NSPV_mempoolresp NSPV_mempoolresult;
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extern bool NSPV_evalcode_inmempool(uint8_t evalcode,uint8_t funcid);
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int32_t myGet_mempool_txs(std::vector<CTransaction> &txs,uint8_t evalcode,uint8_t funcid)
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{
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int i=0;
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if ( HUSH_NSPV_SUPERLITE )
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{
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CTransaction tx; uint256 hashBlock;
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NSPV_evalcode_inmempool(evalcode,funcid);
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for (int i=0;i<NSPV_mempoolresult.numtxids;i++)
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{
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if (myGetTransaction(NSPV_mempoolresult.txids[i],tx,hashBlock)!=0) txs.push_back(tx);
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}
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return (NSPV_mempoolresult.numtxids);
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}
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BOOST_FOREACH(const CTxMemPoolEntry &e,mempool.mapTx)
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{
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txs.push_back(e.GetTx());
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i++;
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}
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return(i);
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}
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/* Get the block merkle root for a proof
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* IN: proofData
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* OUT: merkle root
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* OUT: transaction IDS
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*/
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uint256 BitcoinGetProofMerkleRoot(const std::vector<uint8_t> &proofData, std::vector<uint256> &txids)
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{
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CMerkleBlock merkleBlock;
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if (!E_UNMARSHAL(proofData, ss >> merkleBlock))
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return uint256();
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return merkleBlock.txn.ExtractMatches(txids);
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}
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extern struct NSPV_inforesp NSPV_inforesult;
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int32_t hush_get_current_height()
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{
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if ( HUSH_NSPV_SUPERLITE )
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{
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return (NSPV_inforesult.height);
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}
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else return chainActive.LastTip()->GetHeight();
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}
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bool hush_txnotarizedconfirmed(uint256 txid)
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{
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char str[65];
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int32_t confirms,notarized=0,txheight=0,currentheight=0;;
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CTransaction tx;
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uint256 hashBlock;
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CBlockIndex *pindex;
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char symbol[HUSH_SMART_CHAIN_MAXLEN],dest[HUSH_SMART_CHAIN_MAXLEN]; struct hush_state *sp;
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if ( HUSH_NSPV_SUPERLITE )
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{
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if ( NSPV_myGetTransaction(txid,tx,hashBlock,txheight,currentheight) == 0 )
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{
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fprintf(stderr,"hush_txnotarizedconfirmed cant find txid %s\n",txid.ToString().c_str());
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return(0);
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}
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else if (txheight<=0)
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{
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fprintf(stderr,"hush_txnotarizedconfirmed no txheight.%d for txid %s\n",txheight,txid.ToString().c_str());
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return(0);
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}
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else if (txheight>currentheight)
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{
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fprintf(stderr,"hush_txnotarizedconfirmed backwards heights for txid %s hts.(%d %d)\n",txid.ToString().c_str(),txheight,currentheight);
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return(0);
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}
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confirms=1 + currentheight - txheight;
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}
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else
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{
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if ( myGetTransaction(txid,tx,hashBlock) == 0 )
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{
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fprintf(stderr,"hush_txnotarizedconfirmed cant find txid %s\n",txid.ToString().c_str());
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return(0);
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}
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else if ( hashBlock == zeroid )
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{
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fprintf(stderr,"hush_txnotarizedconfirmed no hashBlock for txid %s\n",txid.ToString().c_str());
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return(0);
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}
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else if ( (pindex= hush_blockindex(hashBlock)) == 0 || (txheight= pindex->GetHeight()) <= 0 )
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{
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fprintf(stderr,"hush_txnotarizedconfirmed no txheight.%d %p for txid %s\n",txheight,pindex,txid.ToString().c_str());
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return(0);
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}
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else if ( (pindex= chainActive.LastTip()) == 0 || pindex->GetHeight() < txheight )
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{
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fprintf(stderr,"hush_txnotarizedconfirmed backwards heights for txid %s hts.(%d %d)\n",txid.ToString().c_str(),txheight,(int32_t)pindex->GetHeight());
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return(0);
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}
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confirms=1 + pindex->GetHeight() - txheight;
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}
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if ((sp= hush_stateptr(symbol,dest)) != 0 && (notarized=sp->NOTARIZED_HEIGHT) > 0 && txheight > sp->NOTARIZED_HEIGHT) notarized=0;
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#ifdef TESTMODE
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notarized=0;
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#endif //TESTMODE
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if (notarized>0 && confirms > 1)
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return (true);
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else if (notarized==0 && confirms >= MIN_NON_NOTARIZED_CONFIRMS)
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return (true);
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return (false);
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}
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// returns total of normal inputs signed with this pubkey
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int64_t TotalPubkeyNormalInputs(const CTransaction &tx, const CPubKey &pubkey)
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{
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int64_t total = 0;
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for (auto vin : tx.vin) {
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CTransaction vintx;
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uint256 hashBlock;
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if (!IsCCInput(vin.scriptSig) && myGetTransaction(vin.prevout.hash, vintx, hashBlock)) {
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typedef std::vector<unsigned char> valtype;
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std::vector<valtype> vSolutions;
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txnouttype whichType;
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if (Solver(vintx.vout[vin.prevout.n].scriptPubKey, whichType, vSolutions)) {
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switch (whichType) {
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case TX_PUBKEY:
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if (pubkey == CPubKey(vSolutions[0])) // is my input?
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total += vintx.vout[vin.prevout.n].nValue;
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break;
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case TX_PUBKEYHASH:
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if (pubkey.GetID() == CKeyID(uint160(vSolutions[0]))) // is my input?
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total += vintx.vout[vin.prevout.n].nValue;
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break;
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}
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}
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}
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}
|
|
return total;
|
|
}
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|
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// returns total of CC inputs signed with this pubkey
|
|
int64_t TotalPubkeyCCInputs(const CTransaction &tx, const CPubKey &pubkey)
|
|
{
|
|
int64_t total = 0;
|
|
return total;
|
|
}
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|
|
|
extern std::string MYCCLIBNAME;
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|
|