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This commit is contained in:
jl777
2019-07-06 21:38:58 -11:00
parent 6deebc41c7
commit 5012056334
3 changed files with 60 additions and 63 deletions
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65
src/komodo_nSPV_wallet.h
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@@ -20,70 +20,61 @@
// nSPV wallet uses superlite functions (and some komodod built in functions) to implement nSPV_spend
extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry);
/*struct NSPV_ntzproofshared
{
struct NSPV_equihdr *hdrs;
int32_t prevht,nextht,pad32;
uint16_t numhdrs,pad16;
};
struct NSPV_ntzsproofresp
{
struct NSPV_ntzproofshared common;
uint256 prevtxid,nexttxid;
int32_t pad32,prevtxidht,nexttxidht;
uint16_t prevtxlen,nexttxlen;
uint8_t *prevntz,*nextntz;
};*/
int32_t NSPV_validatehdrs(struct NSPV_ntzsproofresp *ptr)
{
/* int32_t i,height,txidht; CTransaction tx; uint256 blockhash,txid,desttxid;
if ( NSPV_txextract(tx,ptr->nextntz,ptr->nexttxlen) < 0 )
int32_t i,height,txidht; CTransaction tx; uint256 blockhash,txid,desttxid;
if ( (ptr->common.nextht-ptr->common.prevht+1) != ptr->common.numhdrs )
return(-1);
else if ( NSPV_notarizationextract(&height,&blockhash,&txid,&txidht,&desttxid) < 0 )
else if ( NSPV_txextract(tx,ptr->nextntz,ptr->nexttxlen) < 0 )
return(-2);
else if ( NSPV_doublesha256(&ptr->common.hdrs[ptr->common.numhdrs-1],sizeof(*ptr->common.hdrs)) != blockhash )
else if ( tx.GetHash() != ptr->nexttxid )
return(-3);
else if ( NSPV_notarizationextract(&height,&blockhash,&txid,&txidht,&desttxid,tx) < 0 )
return(-4);
else if ( height != ptr->common.nextht )
return(-5);
else if ( NSPV_doublesha256(&ptr->common.hdrs[ptr->common.numhdrs-1],sizeof(*ptr->common.hdrs)) != blockhash )
return(-6);
for (i=ptr->common.numhdrs-1; i>0; i--)
{
// make sure the hash of i-1 matches the prevBlockhash of i
if ( NSPV_doublesha256(&ptr->common.hdrs[i-1],sizeof(*ptr->common.hdrs)) != ptr->common.hdrs.prevblockhash )
return(-i-11);
}
// verify prevntz is valid notarization
// verify blockhash of first hdr with prevntz value and height
if ( NSPV_txextract(tx,ptr->prevntz,ptr->prevtxlen) < 0 )
return(-1);
else if ( NSPV_notarizationextract(&height,&blockhash,&txid,&txidht,&desttxid) < 0 )
return(-2);*/
return(-6);
else if ( tx.GetHash() != ptr->prevtxid )
return(-7);
else if ( NSPV_notarizationextract(&height,&blockhash,&txid,&txidht,&desttxid,tx) < 0 )
return(-8);
else if ( height != ptr->common.prevht )
return(-9);
else if ( NSPV_doublesha256(&ptr->common.hdrs[0],sizeof(*ptr->common.hdrs)) != blockhash )
return(-10);
return(0);
}
int32_t NSPV_gettransaction(uint256 txid,int32_t height,CTransaction &tx)
{
char *txstr; int32_t retval = 0;
int32_t retval = 0;
NSPV_txproof(txid,height);
if ( NSPV_txproofresult.txid != txid || NSPV_txproofresult.height != height )
if ( NSPV_txproofresult.txid != txid )
return(-1);
txstr = (char *)malloc(NSPV_txproofresult.txlen*2 + 1);
init_hexbytes_noT(txstr,NSPV_txproofresult.tx,NSPV_txproofresult.txlen);
if ( !DecodeHexTx(tx,txstr) )
retval = -1;
if ( NSPV_txextract(tx,NSPV_txproofresult.tx,NSPV_txproofresult.txlen) < 0 )
retval = -20;
else
{
NSPV_notarizations(height); // gets the prev and next notarizations
if ( NSPV_ntzsresult.prevntz.height != 0 && NSPV_ntzsresult.prevntz.height <= NSPV_ntzsresult.nextntz.height )
{
NSPV_hdrsproof(NSPV_ntzsresult.prevntz.height,NSPV_ntzsresult.nextntz.height); // validate the segment
if ( NSPV_validatehdrs(&NSPV_ntzsproofresult) == 0 )
if ( (retval= NSPV_validatehdrs(&NSPV_ntzsproofresult)) == 0 )
{
// merkle prove txproof to the merkleroot in the corresponding hdr
}
} else retval = -1;
}
free(txstr);
return(retval);
fprintf(stderr,"NSPV_gettransaction retval would have been %d\n",retval);
return(0);
}
int32_t NSPV_vinselect(int32_t *aboveip,int64_t *abovep,int32_t *belowip,int64_t *belowp,struct NSPV_utxoresp utxos[],int32_t numunspents,int64_t value)