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Merge pull request #471 from jl777/spvdex 

parse segwit tx
etomic
jl777 7 years ago
committed by GitHub
parent
7a7db78515 a2d3150dd5
commit
dec9c3084e
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 8 deletions
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  1. 35
      iguana/exchanges/LP_bitcoin.c

35
iguana/exchanges/LP_bitcoin.c
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@ -3331,7 +3331,7 @@ int32_t iguana_rwjoinsplit(int32_t rwflag,uint8_t *serialized,struct iguana_msgj
int32_t iguana_rwmsgtx(uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,int32_t rwflag,cJSON *json,uint8_t *serialized,int32_t maxsize,struct iguana_msgtx *msg,bits256 *txidp,char *vpnstr,uint8_t *extraspace,int32_t extralen,cJSON *vins,int32_t suppress_pubkeys,int32_t zcash)
{
int32_t i,n,len = 0,extraused=0; uint32_t seglen; uint8_t segwitflag=0,spendscript[IGUANA_MAXSCRIPTSIZE],*txstart = serialized,*sigser=0; char txidstr[65]; cJSON *vinarray=0,*voutarray=0; bits256 sigtxid;
int32_t i,j,n,segtxlen,len = 0,extraused=0; uint32_t tmp,segitems; uint8_t *segtx,segwitflag=0,spendscript[IGUANA_MAXSCRIPTSIZE],*txstart = serialized,*sigser=0; char txidstr[65]; cJSON *vinarray=0,*voutarray=0; bits256 sigtxid;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->version),&msg->version);
if ( json != 0 )
@ -3364,7 +3364,7 @@ int32_t iguana_rwmsgtx(uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t is
if ( serialized[len] == 0x00 && (segwitflag= serialized[len+1]) == 0x01 )
{
len += 2;
printf("SEGWIT transaction\n");
//printf("SEGWIT transaction\n");
}
}
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_in);
@ -3436,15 +3436,35 @@ int32_t iguana_rwmsgtx(uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t is
}
if ( segwitflag != 0 )
{
printf("tx_out %d, tx_in %d %02x %02x %02x\n",msg->tx_out,msg->tx_in,serialized[len],serialized[len+1],serialized[len+2]);
segtxlen = len - 2 + sizeof(msg->lock_time);
segtx = malloc(segtxlen);
memcpy(segtx,serialized,sizeof(int32_t));
memcpy(&segtx[sizeof(int32_t)],&serialized[sizeof(int32_t)+2],len-2-sizeof(int32_t));
//printf("tx_out %d, tx_in %d %02x %02x %02x\n",msg->tx_out,msg->tx_in,serialized[len],serialized[len+1],serialized[len+2]);
if ( rwflag != 0 )
printf("unsupported rwflag.%d when segwitflag\n",rwflag);
else
{
len += iguana_rwvarint32(rwflag,&serialized[len],&seglen);
printf("witness len.%d sum %d vs max.%d\n",seglen,seglen+len,maxsize);
if ( seglen+len < maxsize )
len += maxsize;
for (i=0; i<msg->tx_in; i++)
{
len += iguana_rwvarint32(rwflag,&serialized[len],&segitems);
//printf("vini.%d (%d:",i,segitems);
for (j=0; j<segitems; j++)
{
len += iguana_rwvarint32(rwflag,&serialized[len],&tmp);
//printf(" %d",tmp);
if ( len+tmp >= maxsize )
{
printf("vini.%d of %d, j.%d of segitems.%d overflowed %d+%d >= max.%d\n",i,msg->tx_in,j,segitems,len,tmp,maxsize);
break;
} else len += tmp;
}
//printf("), ");
}
memcpy(&segtx[segtxlen-sizeof(int32_t)],&serialized[len],sizeof(int32_t));
*txidp = bits256_doublesha256(0,segtx,segtxlen);
//char str[65]; printf("witness sum %d vs max.%d txid %s\n",len,maxsize,bits256_str(str,txid));
}
}
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->lock_time),&msg->lock_time);
@ -3499,6 +3519,7 @@ int32_t iguana_rwmsgtx(uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t is
jadd(json,"vout",voutarray);
jaddnum(json,"numvouts",msg->tx_out);
}
if ( segwitflag == 0 )
*txidp = bits256_doublesha256(txidstr,txstart,len);
if ( json != 0 )
{

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