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sudoku_captcha

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This commit is contained in:
jl777
2019-01-29 07:10:01 -11:00
parent 69aedc1981
commit a783c9d7f5
1 changed files with 55 additions and 6 deletions
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61
src/cc/sudoku.cpp
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@@ -515,6 +515,46 @@ void sudoku_gen(uint8_t key32[32],uint8_t unsolved[9][9],uint32_t srandi)
}
*/
int32_t sudoku_captcha(uint32_t timestamps[81])
{
int32_t i,solvetime,avetime,n = 0; uint64_t variance = 0; std::vector<uint32_t> list;
for (i=0; i<81; i++)
{
if ( timestamps[i] != 0 )
{
list.push_back(timestamps[i]);
n++;
}
}
if ( n > 81/2 )
{
std::sort(list.begin(),list.end());
solvetime = (list[0] - list[n-1]);
if ( list[0] < list[n-1] )
return(-1);
else if ( list[0] > chainActive.LastTip()->nTime+200 )
return(-1);
else if ( solvetime >= 777 )
return(0);
else
{
avetime = (solvetime / (n-1));
if ( avetime == 0 )
return(-1);
for (i=0; i<n-1; i++)
{
diff = (list[i+1] - list[i]) - avetime;
variance += (diff * diff);
}
variance /= (n - 1);
printf("solvetime.%d n.%d avetime.%d variance.%llu vs ave2 %d\n",solvetime,n,avetime,(long long)variance,avetime*avetime);
if ( variance < avetime*avetime )
return(-1 * 0);
else return(0);
}
} else return(-1);
}
CScript sudoku_genopret(uint8_t unsolved[9][9])
{
CScript opret; uint8_t evalcode = EVAL_SUDOKU; std::vector<uint8_t> data; int32_t i,j;
@@ -730,7 +770,7 @@ UniValue sudoku_solution(uint64_t txfee,struct CCcontract_info *cp,cJSON *params
for (i=1; i<n; i++)
{
timestamps[i] = juinti(params,i);
printf("%u ",timestamps[i]);
//printf("%u ",timestamps[i]);
}
if ( (solution= jstri(params,0)) != 0 && strlen(solution) == 81 )
{
@@ -744,11 +784,20 @@ UniValue sudoku_solution(uint64_t txfee,struct CCcontract_info *cp,cJSON *params
result.push_back(Pair("sudokuaddr",CCaddr));
balance = CCaddress_balance(CCaddr);
result.push_back(Pair("amount",ValueFromAmount(balance)));
if ( (inputsum= AddCClibInputs(cp,mtx,pk,balance,16,CCaddr)) >= balance )
if ( sudoku_captcha(timestamps) < 0 )
{
mtx.vout.push_back(CTxOut(balance-txfee,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
CCaddr2set(cp,cp->evalcode,pk,priv32,CCaddr);
rawtx = FinalizeCCTx(0,cp,mtx,pubkey2pk(Mypubkey()),txfee,sudoku_solutionopret(solution,timestamps));
result.push_back(Pair("result","error"));
result.push_back(Pair("error","captcha failure"));
return(result);
}
else
{
if ( (inputsum= AddCClibInputs(cp,mtx,pk,balance,16,CCaddr)) >= balance )
{
mtx.vout.push_back(CTxOut(balance-txfee,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
CCaddr2set(cp,cp->evalcode,pk,priv32,CCaddr);
rawtx = FinalizeCCTx(0,cp,mtx,pubkey2pk(Mypubkey()),txfee,sudoku_solutionopret(solution,timestamps));
}
}
}
}
@@ -756,7 +805,7 @@ UniValue sudoku_solution(uint64_t txfee,struct CCcontract_info *cp,cJSON *params
if ( rawtx.size() > 0 )
result.push_back(Pair("hex",rawtx));
else result.push_back(Pair("error","couldnt finalize CCtx"));
printf("params.(%s)\n",jprint(params,0));
//printf("params.(%s)\n",jprint(params,0));
return(result);
}
else