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Merge pull request #544 from jl777/spvdex 

Arbitrary new field in codec
etomic
jl777 7 years ago
committed by GitHub
parent
a8aeae34f3 297c253135
commit
7a300cbf81
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 71 additions and 58 deletions
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  1. 129
      iguana/exchanges/LP_mmjson.c

129
iguana/exchanges/LP_mmjson.c
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@ -16,7 +16,6 @@
// LP_mmjson.c
// marketmaker
//
#define MMJSON_IPADDR 255
#define MMJSON_BITS256 254
#define MMJSON_SECP33 253
@ -122,7 +121,7 @@ int32_t MMJSON_rwnum(int32_t rwflag,uint8_t *buf,uint64_t *longp,int32_t n)
return(n);
}
int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,int32_t ind,uint32_t *timestampp)
int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,char *fieldstr,uint32_t *timestampp)
{
int32_t c,valind,j; char tmpstr[64],ipaddr[64],hexstr[256],arbstr[8192]; uint64_t l;
switch ( (valind= linebuf[i++]) )
@ -130,98 +129,98 @@ int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,
case MMJSON_IPADDR:
i += MMJSON_rwnum(0,&linebuf[i],&l,4);
expand_ipbits(ipaddr,(uint32_t)l);
jaddstr(lineobj,MM_fields[ind],ipaddr);
jaddstr(lineobj,fieldstr,ipaddr);
break;
case MMJSON_BITS256:
init_hexbytes_noT(hexstr,&linebuf[i],32);
i += 32;
jaddstr(lineobj,MM_fields[ind],hexstr);
jaddstr(lineobj,fieldstr,hexstr);
break;
case MMJSON_SECP33:
init_hexbytes_noT(hexstr,&linebuf[i],33);
i += 33;
jaddstr(lineobj,MM_fields[ind],hexstr);
jaddstr(lineobj,fieldstr,hexstr);
break;
case MMJSON_SIG:
init_hexbytes_noT(hexstr,&linebuf[i],65);
i += 65;
jaddstr(lineobj,MM_fields[ind],hexstr);
jaddstr(lineobj,fieldstr,hexstr);
break;
case MMJSON_RMD160:
init_hexbytes_noT(hexstr,&linebuf[i],20);
i += 20;
jaddstr(lineobj,MM_fields[ind],hexstr);
jaddstr(lineobj,fieldstr,hexstr);
break;
case MMJSON_DECIMAL8:
l = linebuf[i++];
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL8STR:
l = linebuf[i++];
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL16:
i += MMJSON_rwnum(0,&linebuf[i],&l,2);
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL16STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,2);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL24:
i += MMJSON_rwnum(0,&linebuf[i],&l,3);
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL24STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,3);
sprintf(tmpstr,"%llu",(long long)l);
jaddstr(lineobj,MM_fields[ind],tmpstr);
jaddstr(lineobj,fieldstr,tmpstr);
break;
case MMJSON_DECIMAL32:
i += MMJSON_rwnum(0,&linebuf[i],&l,4);
//printf("decimal32.%u %08x\n",(uint32_t)l,(uint32_t)l);
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL32STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,4);
//printf("decimal32.%u %08x\n",(uint32_t)l,(uint32_t)l);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL40:
i += MMJSON_rwnum(0,&linebuf[i],&l,5);
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL40STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,5);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL48:
i += MMJSON_rwnum(0,&linebuf[i],&l,6);
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL48STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,6);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DOUBLE:
i += MMJSON_rwnum(0,&linebuf[i],&l,8);
//printf("double %llu -> %.8f\n",(long long)l,dstr(l));
jaddnum(lineobj,MM_fields[ind],dstr(l));
jaddnum(lineobj,fieldstr,dstr(l));
break;
case MMJSON_DECIMAL64:
i += MMJSON_rwnum(0,&linebuf[i],&l,8);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_DECIMAL64STR:
i += MMJSON_rwnum(0,&linebuf[i],&l,8);
jadd64bits(lineobj,MM_fields[ind],l);
jadd64bits(lineobj,fieldstr,l);
break;
case MMJSON_TIMESTAMP:
if ( *timestampp == 0 )
{
i += MMJSON_rwnum(0,&linebuf[i],&l,4);
*timestampp = (uint32_t)l;
jaddnum(lineobj,MM_fields[ind],l);
jaddnum(lineobj,fieldstr,l);
}
else
{
@ -231,21 +230,21 @@ int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,
}
break;
case MMJSON_TIMEDIFF8:
jaddnum(lineobj,MM_fields[ind],*timestampp + linebuf[i++]);
jaddnum(lineobj,fieldstr,*timestampp + linebuf[i++]);
break;
case MMJSON_TIMEDIFF16:
i += MMJSON_rwnum(0,&linebuf[i],&l,2);
jaddnum(lineobj,MM_fields[ind],*timestampp + l);
jaddnum(lineobj,fieldstr,*timestampp + l);
break;
case MMJSON_ZERO:
jaddnum(lineobj,MM_fields[ind],0);
jaddnum(lineobj,fieldstr,0);
break;
case MMJSON_ZEROSTR:
//printf("%s.zerostr\n",MM_fields[ind]);
jadd64bits(lineobj,MM_fields[ind],0);
//printf("%s.zerostr\n",fieldstr);
jadd64bits(lineobj,fieldstr,0);
break;
case MMJSON_COIN:
jaddstr(lineobj,MM_fields[ind],MM_coins[linebuf[i++]]);
jaddstr(lineobj,fieldstr,MM_coins[linebuf[i++]]);
break;
case MMJSON_STRING:
j = 0;
@ -260,14 +259,14 @@ int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,
arbstr[j++] = c;
}
arbstr[j] = 0;
jaddstr(lineobj,MM_fields[ind],arbstr);
jaddstr(lineobj,fieldstr,arbstr);
break;
default:
if ( valind < MMJSON_BOUNDARY )
jaddstr(lineobj,MM_fields[ind],MM_fields[valind]);
jaddstr(lineobj,fieldstr,MM_fields[valind]);
else
{
printf("%s unhandled valind.%d k.%d len.%d (%s)\n",MM_fields[ind],valind,i,len,jprint(lineobj,0));
printf("%s unhandled valind.%d k.%d len.%d (%s)\n",fieldstr,valind,i,len,jprint(lineobj,0));
free_json(lineobj);
return(-1);
}
@ -278,16 +277,26 @@ int32_t MMJSON_decodeitem(cJSON *lineobj,uint8_t *linebuf,int32_t i,int32_t len,
char *MMJSON_decode(uint8_t *linebuf,int32_t len)
{
uint32_t timestamp = 0; uint64_t l; int32_t ind,i=0,j,m=-1; cJSON *obj,*item,*array,*lineobj = cJSON_CreateObject();
uint32_t timestamp = 0; char *fieldstr; uint64_t l; int32_t ind,i=0,j,m=-1; cJSON *obj,*item,*array,*lineobj = cJSON_CreateObject();
while ( i+1 < len )
{
//printf("ind.%d i.%d vs len.%d\n",linebuf[i],i,len);
if ( (ind= linebuf[i++]) >= MMJSON_BOUNDARY )
{
printf("illegal field ind.%d (%s)\n",ind,jprint(lineobj,0));
free_json(lineobj);
return(0);
}
if ( ind != MMJSON_STRING )
{
printf("illegal field ind.%d (%s)\n",ind,jprint(lineobj,0));
free_json(lineobj);
return(0);
}
else
{
fieldstr = (char *)&linebuf[i++];
while ( linebuf[i] != 0 )
i++;
i++;
}
} else fieldstr = MM_fields[ind];
if ( linebuf[i] == MMJSON_ARRAY8 )
{
i++;
@ -307,27 +316,27 @@ char *MMJSON_decode(uint8_t *linebuf,int32_t len)
} else m = -1;
if ( m >= 0 )
{
//printf("%s i.%d m.%d\n",MM_fields[ind],i,m);
//printf("%s i.%d m.%d\n",fieldstr,i,m);
array = cJSON_CreateArray();
for (j=0; j<m; j++)
{
item = cJSON_CreateObject();
if ( (i= MMJSON_decodeitem(item,linebuf,i,len,ind,&timestamp)) < 0 )
if ( (i= MMJSON_decodeitem(item,linebuf,i,len,fieldstr,&timestamp)) < 0 )
{
printf("error decoding item ind.%d (%s)\n",ind,jprint(lineobj,0));
printf("error decoding item ind.%s (%s)\n",fieldstr,jprint(lineobj,0));
free_json(array);
free_json(lineobj);
return(0);
}
obj = jobj(item,MM_fields[ind]);
obj = jobj(item,fieldstr);
jaddi(array,jduplicate(obj));
free_json(item);
}
jadd(lineobj,MM_fields[ind],array);
jadd(lineobj,fieldstr,array);
}
else if ( (i= MMJSON_decodeitem(lineobj,linebuf,i,len,ind,&timestamp)) < 0 )
else if ( (i= MMJSON_decodeitem(lineobj,linebuf,i,len,fieldstr,&timestamp)) < 0 )
{
printf("error decoding item ind.%d (%s)\n",ind,jprint(lineobj,0));
printf("error decoding item ind.%s (%s)\n",fieldstr,jprint(lineobj,0));
free_json(lineobj);
return(0);
}
@ -336,13 +345,17 @@ char *MMJSON_decode(uint8_t *linebuf,int32_t len)
return(jprint(lineobj,1));
}
int32_t MMJSON_encodeval(uint8_t *linebuf,int32_t k,int32_t ind,char *v,uint32_t *timestampp,cJSON *ptr)
int32_t MMJSON_encodeval(uint8_t *linebuf,int32_t k,int32_t ind,char *v,uint32_t *timestampp,cJSON *ptr,char *fieldstr)
{
double val; char checkstr[512]; uint64_t l; int32_t valind,len,isstr,coinind,j,dots,diff;
if ( strcmp("utxocoin",MM_fields[ind]) == 0 || strcmp("alice",MM_fields[ind]) == 0 || strcmp("bob",MM_fields[ind]) == 0 || strcmp("base",MM_fields[ind]) == 0 || strcmp("rel",MM_fields[ind]) == 0 || strcmp("coin",MM_fields[ind]) == 0 || strcmp("txfee",MM_fields[ind]) == 0 || strcmp("desttxfee",MM_fields[ind]) == 0 || strcmp("price64",MM_fields[ind]) == 0 || strcmp("satoshis",MM_fields[ind]) == 0 || strcmp("destsatoshis",MM_fields[ind]) == 0 )
isstr = 1;
else isstr = 0;
//printf("%s.(%s) k.%d\n",MM_fields[ind],v,k);
double val; char checkstr[512]; uint64_t l; int32_t valind,len,isstr=0,coinind,j,dots,diff;
if ( ind >= 0 )
{
fieldstr = MM_fields[ind];
if ( strcmp("utxocoin",fieldstr) == 0 || strcmp("alice",fieldstr) == 0 || strcmp("bob",fieldstr) == 0 || strcmp("base",fieldstr) == 0 || strcmp("rel",fieldstr) == 0 || strcmp("coin",fieldstr) == 0 || strcmp("txfee",fieldstr) == 0 || strcmp("desttxfee",fieldstr) == 0 || strcmp("price64",fieldstr) == 0 || strcmp("satoshis",fieldstr) == 0 || strcmp("destsatoshis",fieldstr) == 0 )
isstr = 1;
else isstr = 0;
}
//printf("%s.(%s) k.%d\n",fieldstr,v,k);
if ( (valind= mmfind(v)) >= 0 )
{
linebuf[k++] = valind;
@ -435,12 +448,12 @@ int32_t MMJSON_encodeval(uint8_t *linebuf,int32_t k,int32_t ind,char *v,uint32_t
else if ( l < 0x1000000 )
{
linebuf[k++] = isstr != 0 ? MMJSON_DECIMAL24STR : MMJSON_DECIMAL24;
//printf("decimal24 %llu %s (%s) %d\n",(long long)l,v,MM_fields[ind],linebuf[k-1]);
//printf("decimal24 %llu %s (%s) %d\n",(long long)l,v,fieldstr,linebuf[k-1]);
k += MMJSON_rwnum(1,&linebuf[k],&l,3);
}
else if ( l < 0x100000000LL )
{
if ( v[0] != '"' && *timestampp == 0 && strcmp(MM_fields[ind],"timestamp") == 0 )
if ( v[0] != '"' && *timestampp == 0 && strcmp(fieldstr,"timestamp") == 0 )
{
*timestampp = (uint32_t)atol(v);
//printf("<timestamp> ");
@ -504,7 +517,7 @@ int32_t MMJSON_encodeval(uint8_t *linebuf,int32_t k,int32_t ind,char *v,uint32_t
if ( v[j] == 0 )
{
printf("unexpected missing string value.(%s)\n",v);
ind = mmadd(v);
//ind = mmadd(v);
//printf("%s.<%s>.%d ",s,v,ind);
//linebuf[k++] = ind;
linebuf[k++] = MMJSON_STRING;
@ -566,11 +579,11 @@ int32_t MMJSON_encode(uint8_t *linebuf,char *line)
s = jfieldname(ptr);
if ( (ind= mmfind(s)) < 0 )
{
printf("unexpected missing.(%s)\n",s);
printf("missing field.(%s) add to MM_fields[]\n",s);
linebuf[k++] = MMJSON_STRING;
memcpy(&linebuf[k],s,strlen(s)+1);
k += (int32_t)strlen(s) + 1;
ind = mmadd(s);
//ind = mmadd(s);
} else linebuf[k++] = ind;
//printf("%s ",s);
if ( (array= jobj(lineobj,s)) != 0 && is_cJSON_Array(array) != 0 )
@ -598,11 +611,11 @@ int32_t MMJSON_encode(uint8_t *linebuf,char *line)
if ( (v= jprint(jitem(array,z),0)) != 0 )
{
//printf("%d.(%s k.%d).%d ",z,v,k,asize);
k = MMJSON_encodeval(linebuf,k,ind,v,&timestamp,ptr);
k = MMJSON_encodeval(linebuf,k,ind,v,&timestamp,ptr,s);
free(v);
} else printf("ERROR.(%s) ",jprint(jitem(array,z),0));
}
//printf("%s array.%d k.%d\n",MM_fields[ind],asize,k);
//printf("%s array.%d k.%d\n",fieldstr,asize,k);
continue;
}
else if ( (v= jstr(lineobj,s)) == 0 )
@ -614,7 +627,7 @@ int32_t MMJSON_encode(uint8_t *linebuf,char *line)
if ( v != 0 )
{
//printf("%s\n",v);
k = MMJSON_encodeval(linebuf,k,ind,v,&timestamp,ptr);
k = MMJSON_encodeval(linebuf,k,ind,v,&timestamp,ptr,s);
}
else printf("ERROR.(%s) ",jprint(jobj(lineobj,s),0));
if ( allocv_flag != 0 && v != 0 )

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