From 70bd156655a3b92d9e6d3924b8227a0dd8e1d869 Mon Sep 17 00:00:00 2001
From: Duke Leto <duke@leto.net>
Date: Thu, 30 Apr 2020 07:04:52 -0400
Subject: [PATCH] Add dapp header to make subatomic happy

---
 src/cc/dapps/dappinc.h | 1599 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1599 insertions(+)
 create mode 100644 src/cc/dapps/dappinc.h

diff --git a/src/cc/dapps/dappinc.h b/src/cc/dapps/dappinc.h
new file mode 100644
index 000000000..3c71dfdec
--- /dev/null
+++ b/src/cc/dapps/dappinc.h
@@ -0,0 +1,1599 @@
+/******************************************************************************
+ * Copyright © 2014-2020 The SuperNET Developers.                             *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * SuperNET software, including this file may be copied, modified, propagated *
+ * or distributed except according to the terms contained in the LICENSE file *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <memory.h>
+#include "cJSON.c"
+
+bits256 zeroid;
+
+int32_t unstringbits(char *buf,uint64_t bits)
+{
+    int32_t i;
+    for (i=0; i<8; i++,bits>>=8)
+        if ( (buf[i]= (char)(bits & 0xff)) == 0 )
+            break;
+    buf[i] = 0;
+    return(i);
+}
+
+uint64_t stringbits(char *str)
+{
+    uint64_t bits = 0;
+    if ( str == 0 )
+        return(0);
+    int32_t i,n = (int32_t)strlen(str);
+    if ( n > 8 )
+        n = 8;
+    for (i=n-1; i>=0; i--)
+        bits = (bits << 8) | (str[i] & 0xff);
+    //printf("(%s) -> %llx %llu\n",str,(long long)bits,(long long)bits);
+    return(bits);
+}
+
+char hexbyte(int32_t c)
+{
+    c &= 0xf;
+    if ( c < 10 )
+        return('0'+c);
+    else if ( c < 16 )
+        return('a'+c-10);
+    else return(0);
+}
+
+int32_t _unhex(char c)
+{
+    if ( c >= '0' && c <= '9' )
+        return(c - '0');
+    else if ( c >= 'a' && c <= 'f' )
+        return(c - 'a' + 10);
+    else if ( c >= 'A' && c <= 'F' )
+        return(c - 'A' + 10);
+    return(-1);
+}
+
+int32_t is_hexstr(char *str,int32_t n)
+{
+    int32_t i;
+    if ( str == 0 || str[0] == 0 )
+        return(0);
+    for (i=0; str[i]!=0; i++)
+    {
+        if ( n > 0 && i >= n )
+            break;
+        if ( _unhex(str[i]) < 0 )
+            break;
+    }
+    if ( n == 0 )
+        return(i);
+    return(i == n);
+}
+
+int32_t unhex(char c)
+{
+    int32_t hex;
+    if ( (hex= _unhex(c)) < 0 )
+    {
+        //printf("unhex: illegal hexchar.(%c)\n",c);
+    }
+    return(hex);
+}
+
+unsigned char _decode_hex(char *hex) { return((unhex(hex[0])<<4) | unhex(hex[1])); }
+
+int32_t decode_hex(unsigned char *bytes,int32_t n,char *hex)
+{
+    int32_t adjust,i = 0;
+    //printf("decode.(%s)\n",hex);
+    if ( is_hexstr(hex,n) <= 0 )
+    {
+        memset(bytes,0,n);
+        return(n);
+    }
+    if ( hex[n-1] == '\n' || hex[n-1] == '\r' )
+        hex[--n] = 0;
+    if ( hex[n-1] == '\n' || hex[n-1] == '\r' )
+        hex[--n] = 0;
+    if ( n == 0 || (hex[n*2+1] == 0 && hex[n*2] != 0) )
+    {
+        if ( n > 0 )
+        {
+            bytes[0] = unhex(hex[0]);
+            printf("decode_hex n.%d hex[0] (%c) -> %d hex.(%s) [n*2+1: %d] [n*2: %d %c] len.%ld\n",n,hex[0],bytes[0],hex,hex[n*2+1],hex[n*2],hex[n*2],(long)strlen(hex));
+        }
+        bytes++;
+        hex++;
+        adjust = 1;
+    } else adjust = 0;
+    if ( n > 0 )
+    {
+        for (i=0; i<n; i++)
+            bytes[i] = _decode_hex(&hex[i*2]);
+    }
+    //bytes[i] = 0;
+    return(n + adjust);
+}
+
+int32_t init_hexbytes_noT(char *hexbytes,unsigned char *message,long len)
+{
+    int32_t i;
+    if ( len <= 0 )
+    {
+        hexbytes[0] = 0;
+        return(1);
+    }
+    for (i=0; i<len; i++)
+    {
+        hexbytes[i*2] = hexbyte((message[i]>>4) & 0xf);
+        hexbytes[i*2 + 1] = hexbyte(message[i] & 0xf);
+        //printf("i.%d (%02x) [%c%c]\n",i,message[i],hexbytes[i*2],hexbytes[i*2+1]);
+    }
+    hexbytes[len*2] = 0;
+    //printf("len.%ld\n",len*2+1);
+    return((int32_t)len*2+1);
+}
+
+long _stripwhite(char *buf,int accept)
+{
+    int32_t i,j,c;
+    if ( buf == 0 || buf[0] == 0 )
+        return(0);
+    for (i=j=0; buf[i]!=0; i++)
+    {
+        buf[j] = c = buf[i];
+        if ( c == accept || (c != ' ' && c != '\n' && c != '\r' && c != '\t' && c != '\b') )
+            j++;
+    }
+    buf[j] = 0;
+    return(j);
+}
+
+char *clonestr(char *str)
+{
+    char *clone;
+    if ( str == 0 || str[0]==0)
+    {
+        printf("warning cloning nullstr.%p\n",str);
+        //#ifdef __APPLE__
+        //        while ( 1 ) sleep(1);
+        //#endif
+        str = (char *)"<nullstr>";
+    }
+    clone = (char *)malloc(strlen(str)+16);
+    strcpy(clone,str);
+    return(clone);
+}
+
+int32_t safecopy(char *dest,char *src,long len)
+{
+    int32_t i = -1;
+    if ( src != 0 && dest != 0 && src != dest )
+    {
+        if ( dest != 0 )
+            memset(dest,0,len);
+        for (i=0; i<len&&src[i]!=0; i++)
+            dest[i] = src[i];
+        if ( i == len )
+        {
+            printf("safecopy: %s too long %ld\n",src,len);
+            //printf("divide by zero! %d\n",1/zeroval());
+#ifdef __APPLE__
+            //getchar();
+#endif
+            return(-1);
+        }
+        dest[i] = 0;
+    }
+    return(i);
+}
+
+char *bits256_str(char hexstr[65],bits256 x)
+{
+    init_hexbytes_noT(hexstr,x.bytes,sizeof(x));
+    return(hexstr);
+}
+
+int64_t conv_floatstr(char *numstr)
+{
+    double val,corr;
+    val = atof(numstr);
+    corr = (val < 0.) ? -0.50000000001 : 0.50000000001;
+    return((int64_t)(val * SATOSHIDEN + corr));
+}
+
+char *nonportable_path(char *str)
+{
+    int32_t i;
+    for (i=0; str[i]!=0; i++)
+        if ( str[i] == '/' )
+            str[i] = '\\';
+    return(str);
+}
+
+char *portable_path(char *str)
+{
+#ifdef _WIN32
+    return(nonportable_path(str));
+#else
+#ifdef __PNACL
+    /*int32_t i,n;
+     if ( str[0] == '/' )
+     return(str);
+     else
+     {
+     n = (int32_t)strlen(str);
+     for (i=n; i>0; i--)
+     str[i] = str[i-1];
+     str[0] = '/';
+     str[n+1] = 0;
+     }*/
+#endif
+    return(str);
+#endif
+}
+
+void *loadfile(char *fname,uint8_t **bufp,long *lenp,long *allocsizep)
+{
+    FILE *fp;
+    long  filesize,buflen = *allocsizep;
+    uint8_t *buf = *bufp;
+    *lenp = 0;
+    if ( (fp= fopen(portable_path(fname),"rb")) != 0 )
+    {
+        fseek(fp,0,SEEK_END);
+        filesize = ftell(fp);
+        if ( filesize == 0 )
+        {
+            fclose(fp);
+            *lenp = 0;
+            //printf("loadfile null size.(%s)\n",fname);
+            return(0);
+        }
+        if ( filesize > buflen )
+        {
+            *allocsizep = filesize;
+            *bufp = buf = (uint8_t *)realloc(buf,(long)*allocsizep+64);
+        }
+        rewind(fp);
+        if ( buf == 0 )
+            printf("Null buf ???\n");
+        else
+        {
+            if ( fread(buf,1,(long)filesize,fp) != (unsigned long)filesize )
+                printf("error reading filesize.%ld\n",(long)filesize);
+            buf[filesize] = 0;
+        }
+        fclose(fp);
+        *lenp = filesize;
+        //printf("loaded.(%s)\n",buf);
+    } //else printf("OS_loadfile couldnt load.(%s)\n",fname);
+    return(buf);
+}
+
+void *filestr(long *allocsizep,char *_fname)
+{
+    long filesize = 0; char *fname,*buf = 0; void *retptr;
+    *allocsizep = 0;
+    fname = malloc(strlen(_fname)+1);
+    strcpy(fname,_fname);
+    retptr = loadfile(fname,(uint8_t **)&buf,&filesize,allocsizep);
+    free(fname);
+    return(retptr);
+}
+
+char *send_curl(char *url,char *fname)
+{
+    long fsize; char curlstr[1024];
+    sprintf(curlstr,"curl --url \"%s\" > %s",url,fname);
+    system(curlstr);
+    return(filestr(&fsize,fname));
+}
+
+cJSON *get_urljson(char *url,char *fname)
+{
+    char *jsonstr; cJSON *json = 0;
+    if ( (jsonstr= send_curl(url,fname)) != 0 )
+    {
+        //printf("(%s) -> (%s)\n",url,jsonstr);
+        json = cJSON_Parse(jsonstr);
+        free(jsonstr);
+    }
+    return(json);
+}
+
+//////////////////////////////////////////////
+// start of dapp
+//////////////////////////////////////////////
+int md_unlink(char *file)
+{
+#ifdef _WIN32
+    _chmod(file, 0600);
+    return( _unlink(file) );
+#else
+    return(unlink(file));
+#endif
+}
+
+char *REFCOIN_CLI,DPOW_pubkeystr[67],DPOW_secpkeystr[67],DPOW_handle[67],DPOW_recvaddr[64],DPOW_recvZaddr[128];
+
+cJSON *get_komodocli(char *refcoin,char **retstrp,char *acname,char *method,char *arg0,char *arg1,char *arg2,char *arg3,char *arg4,char *arg5,char *arg6)
+{
+    long fsize; cJSON *retjson = 0; char cmdstr[32768],*jsonstr,fname[32768];
+    sprintf(fname,"/tmp/notarizer_%s_%d",method,(rand() >> 17) % 10000);
+    //if ( (acname == 0 || acname[0] == 0) && strcmp(refcoin,"KMD") != 0 )
+    //    acname = refcoin;
+    if ( acname[0] != 0 )
+    {
+        if ( refcoin[0] != 0 && strcmp(refcoin,"KMD") != 0 && strcmp(refcoin,acname) != 0 )
+            printf("unexpected: refcoin.(%s) acname.(%s)\n",refcoin,acname);
+        sprintf(cmdstr,"komodo-cli -ac_name=%s %s %s %s %s %s %s %s %s > %s\n",acname,method,arg0,arg1,arg2,arg3,arg4,arg5,arg6,fname);
+    }
+    else if ( strcmp(refcoin,"KMD") == 0 )
+        sprintf(cmdstr,"komodo-cli %s %s %s %s %s %s %s %s > %s\n",method,arg0,arg1,arg2,arg3,arg4,arg5,arg6,fname);
+    else if ( REFCOIN_CLI != 0 && REFCOIN_CLI[0] != 0 )
+    {
+        sprintf(cmdstr,"%s %s %s %s %s %s %s %s %s > %s\n",REFCOIN_CLI,method,arg0,arg1,arg2,arg3,arg4,arg5,arg6,fname);
+        //printf("ref.(%s) REFCOIN_CLI (%s)\n",refcoin,cmdstr);
+    }
+//fprintf(stderr,"system(%s)\n",cmdstr);
+    system(cmdstr);
+    *retstrp = 0;
+    if ( (jsonstr= filestr(&fsize,fname)) != 0 )
+    {
+        jsonstr[strlen(jsonstr)-1]='\0';
+        //fprintf(stderr,"%s -> jsonstr.(%s)\n",cmdstr,jsonstr);
+        if ( (jsonstr[0] != '{' && jsonstr[0] != '[') || (retjson= cJSON_Parse(jsonstr)) == 0 )
+            *retstrp = jsonstr;
+        else free(jsonstr);
+        md_unlink(fname);
+    } //else fprintf(stderr,"system(%s) -> NULL\n",cmdstr);
+    return(retjson);
+}
+
+cJSON *subatomic_cli(char *clistr,char **retstrp,char *method,char *arg0,char *arg1,char *arg2,char *arg3,char *arg4,char *arg5,char *arg6)
+{
+    long fsize; cJSON *retjson = 0; char cmdstr[32768],*jsonstr,fname[32768];
+    sprintf(fname,"/tmp/subatomic_%s_%d",method,(rand() >> 17) % 10000);
+    sprintf(cmdstr,"%s %s %s %s %s %s %s %s %s > %s\n",clistr,method,arg0,arg1,arg2,arg3,arg4,arg5,arg6,fname);
+//fprintf(stderr,"system(%s)\n",cmdstr);
+    system(cmdstr);
+    *retstrp = 0;
+    if ( (jsonstr= filestr(&fsize,fname)) != 0 )
+    {
+        jsonstr[strlen(jsonstr)-1]='\0';
+        //fprintf(stderr,"%s -> jsonstr.(%s)\n",cmdstr,jsonstr);
+        if ( (jsonstr[0] != '{' && jsonstr[0] != '[') || (retjson= cJSON_Parse(jsonstr)) == 0 )
+            *retstrp = jsonstr;
+        else free(jsonstr);
+        md_unlink(fname);
+    } //else fprintf(stderr,"system(%s) -> NULL\n",cmdstr);
+    return(retjson);
+}
+
+bits256 komodobroadcast(char *refcoin,char *acname,cJSON *hexjson)
+{
+    char *hexstr,*retstr,str[65]; cJSON *retjson; bits256 txid;
+    memset(txid.bytes,0,sizeof(txid));
+    if ( (hexstr= jstr(hexjson,"hex")) != 0 )
+    {
+        if ( (retjson= get_komodocli(refcoin,&retstr,acname,"sendrawtransaction",hexstr,"","","","","","")) != 0 )
+        {
+            //fprintf(stderr,"broadcast.(%s)\n",jprint(retjson,0));
+            free_json(retjson);
+        }
+        else if ( retstr != 0 )
+        {
+            if ( strlen(retstr) >= 64 )
+            {
+                retstr[64] = 0;
+                decode_hex(txid.bytes,32,retstr);
+            }
+            fprintf(stderr,"broadcast %s txid.(%s)\n",strlen(acname)>0?acname:refcoin,bits256_str(str,txid));
+            free(retstr);
+        }
+    }
+    return(txid);
+}
+
+bits256 sendtoaddress(char *refcoin,char *acname,char *destaddr,int64_t satoshis,char *oprethexstr)
+{
+    char numstr[32],*retstr,str[65]; cJSON *retjson; bits256 txid;
+    memset(txid.bytes,0,sizeof(txid));
+    sprintf(numstr,"%.8f",(double)satoshis/SATOSHIDEN);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"sendtoaddress",destaddr,numstr,"false","","",oprethexstr,"")) != 0 )
+    {
+        fprintf(stderr,"unexpected sendrawtransaction json.(%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        if ( strlen(retstr) >= 64 )
+        {
+            retstr[64] = 0;
+            decode_hex(txid.bytes,32,retstr);
+        }
+        fprintf(stderr,"sendtoaddress %s %.8f txid.(%s)\n",destaddr,(double)satoshis/SATOSHIDEN,bits256_str(str,txid));
+        free(retstr);
+    }
+    return(txid);
+}
+
+bits256 tokentransfer(char *refcoin,char *acname,char *tokenid,char *destpub,int64_t units)
+{
+    char numstr[32],*retstr,str[65]; cJSON *retjson; bits256 txid;
+    memset(txid.bytes,0,sizeof(txid));
+    sprintf(numstr,"%llu",(long long)units);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"tokentransfer",tokenid,destpub,numstr,"","","","")) != 0 )
+    {
+        txid = komodobroadcast(refcoin,acname,retjson);
+        fprintf(stderr,"tokentransfer returned (%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"tokentransfer.(%s) error.(%s)\n",acname,retstr);
+        free(retstr);
+    }
+    return(txid);
+}
+
+char *get_tokenaddress(char *refcoin,char *acname,char *tokenaddr)
+{
+    char *retstr,*str; cJSON *retjson;
+    tokenaddr[0] = 0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"tokenaddress","","","","","","","")) != 0 )
+    {
+        if ( (str= jstr(retjson,"myCCAddress(Tokens)")) != 0 )
+        {
+            strcpy(tokenaddr,str);
+            fprintf(stderr,"tokenaddress returned (%s)\n",tokenaddr);
+            free_json(retjson);
+            return(tokenaddr);
+        }
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        //fprintf(stderr,"tokentransfer.(%s) error.(%s)\n",acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+int64_t get_tokenbalance(char *refcoin,char *acname,char *tokenid)
+{
+    cJSON *retjson; char *retstr,cmpstr[64]; int64_t amount=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"tokenbalance",tokenid,"","","","","","")) != 0 )
+    {
+        amount = j64bits(retjson,"balance");
+        fprintf(stderr,"tokenbalance %llu\n",(long long)amount);
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        //printf("retstr %s -> %.8f\n",retstr,dstr(amount));
+        free(retstr);
+    }
+    return (amount);
+}
+
+cJSON *get_decodescript(char *refcoin,char *acname,char *script)
+{
+    cJSON *retjson; char *retstr;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"decodescript",script,"","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_decodescript.(%s) error.(%s)\n",acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+char *get_createmultisig2(char *refcoin,char *acname,char *msigaddr,char *redeemscript,char *pubkeyA,char *pubkeyB)
+{
+    //char para 2 '["02c3af47b51a506b08b4ededb156cb4c3f9db9e0ac7ad27b8623c08a056fdcc220", "038e61fbface549a850862f12ed99b7cbeef5c2bd2d8f1daddb34809416f0259e1"]'
+    cJSON *retjson; char *retstr,*str,params[256]; int32_t height=0;
+    msigaddr[0] = 0;
+    redeemscript[0] = 0;
+    sprintf(params,"'[\"%s\", \"%s\"]'",pubkeyA,pubkeyB);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"createmultisig","2",params,"","","","","")) != 0 )
+    {
+        if ( (str= jstr(retjson,"address")) != 0 )
+            strcpy(msigaddr,str);
+        if ( (str= jstr(retjson,"redeemScript")) != 0 )
+            strcpy(redeemscript,str);
+        free_json(retjson);
+        if ( msigaddr[0] != 0 && redeemscript[0] != 0 )
+            return(msigaddr);
+        else return(0);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"%s get_createmultisig2.(%s) error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+int32_t get_coinheight(char *refcoin,char *acname,bits256 *blockhashp)
+{
+    cJSON *retjson; char *retstr; int32_t height=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getblockchaininfo","","","","","","","")) != 0 )
+    {
+        height = jint(retjson,"blocks");
+        *blockhashp = jbits256(retjson,"bestblockhash");
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"%s get_coinheight.(%s) error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(height);
+}
+
+bits256 get_coinblockhash(char *refcoin,char *acname,int32_t height)
+{
+    cJSON *retjson; char *retstr,heightstr[32]; bits256 hash;
+    memset(hash.bytes,0,sizeof(hash));
+    sprintf(heightstr,"%d",height);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getblockhash",heightstr,"","","","","","")) != 0 )
+    {
+        fprintf(stderr,"unexpected blockhash json.(%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        if ( strlen(retstr) >= 64 )
+        {
+            retstr[64] = 0;
+            decode_hex(hash.bytes,32,retstr);
+        }
+        free(retstr);
+    }
+    return(hash);
+}
+
+bits256 get_coinmerkleroot(char *refcoin,char *acname,bits256 blockhash,uint32_t *blocktimep)
+{
+    cJSON *retjson; char *retstr,str[65]; bits256 merkleroot;
+    memset(merkleroot.bytes,0,sizeof(merkleroot));
+    *blocktimep = 0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getblockheader",bits256_str(str,blockhash),"","","","","","")) != 0 )
+    {
+        merkleroot = jbits256(retjson,"merkleroot");
+        *blocktimep = juint(retjson,"time");
+        //fprintf(stderr,"got merkleroot.(%s)\n",bits256_str(str,merkleroot));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"%s %s get_coinmerkleroot error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(merkleroot);
+}
+
+uint32_t get_heighttime(char *refcoin,char *acname,int32_t height)
+{
+    bits256 blockhash; uint32_t blocktime;
+    blockhash = get_coinblockhash(refcoin,acname,height);
+    get_coinmerkleroot(refcoin,acname,blockhash,&blocktime);
+    return(blocktime);
+}
+
+int32_t get_coinheader(char *refcoin,char *acname,bits256 *blockhashp,bits256 *merklerootp,int32_t prevheight)
+{
+    int32_t height = 0; char str[65]; bits256 bhash; uint32_t blocktime;
+    if ( prevheight == 0 )
+        height = get_coinheight(refcoin,acname,&bhash) - 20;
+    else height = prevheight + 1;
+    if ( height > 0 )
+    {
+        *blockhashp = get_coinblockhash(refcoin,acname,height);
+        if ( bits256_nonz(*blockhashp) != 0 )
+        {
+            *merklerootp = get_coinmerkleroot(refcoin,acname,*blockhashp,&blocktime);
+            if ( bits256_nonz(*merklerootp) != 0 )
+                return(height);
+        }
+    }
+    memset(blockhashp,0,sizeof(*blockhashp));
+    memset(merklerootp,0,sizeof(*merklerootp));
+    return(0);
+}
+
+cJSON *get_rawmempool(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getrawmempool","","","","","","","")) != 0 )
+    {
+        //printf("mempool.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_rawmempool.(%s) error.(%s)\n",acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *get_addressutxos(char *refcoin,char *acname,char *coinaddr)
+{
+    cJSON *retjson; char *retstr,jsonbuf[256];
+    if ( refcoin[0] != 0 && strcmp(refcoin,"KMD") != 0 )
+        printf("warning: assumes %s has addressindex enabled\n",refcoin);
+    sprintf(jsonbuf,"{\\\"addresses\\\":[\\\"%s\\\"]}",coinaddr);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getaddressutxos",jsonbuf,"","","","","","")) != 0 )
+    {
+        //printf("addressutxos.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_addressutxos.(%s) error.(%s)\n",acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *get_rawtransaction(char *refcoin,char *acname,bits256 txid)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getrawtransaction",bits256_str(str,txid),"1","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_rawtransaction.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *get_z_viewtransaction(char *refcoin,char *acname,bits256 txid)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_viewtransaction",bits256_str(str,txid),"","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_z_viewtransaction.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *get_listunspent(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"listunspent","","","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_listunspent.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *get_getinfo(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getinfo","","","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"get_getinfo.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *z_listunspent(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_listunspent","","","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_listunspent.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *z_listoperationids(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr,str[65];
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_listoperationids","","","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_listoperationids.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *z_getoperationstatus(char *refcoin,char *acname,char *opid)
+{
+    cJSON *retjson; char *retstr,str[65],params[512];
+    sprintf(params,"'[\"%s\"]'",opid);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_getoperationstatus",params,"","","","","","")) != 0 )
+    {
+        //printf("got status (%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_getoperationstatus.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *z_getoperationresult(char *refcoin,char *acname,char *opid)
+{
+    cJSON *retjson; char *retstr,str[65],params[512];
+    sprintf(params,"'[\"%s\"]'",opid);
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_getoperationresult",params,"","","","","","")) != 0 )
+    {
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_getoperationresult.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+int32_t validateaddress(char *refcoin,char *acname,char *depositaddr, char* compare)
+{
+    cJSON *retjson; char *retstr; int32_t res=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"validateaddress",depositaddr,"","","","","","")) != 0 )
+    {
+        if (is_cJSON_True(jobj(retjson,compare)) != 0 ) res=1;
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"validateaddress.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return (res);
+}
+
+int32_t z_validateaddress(char *refcoin,char *acname,char *depositaddr, char *compare)
+{
+    cJSON *retjson; char *retstr; int32_t res=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_validateaddress",depositaddr,"","","","","","")) != 0 )
+    {
+        if (is_cJSON_True(jobj(retjson,compare)) != 0 )
+            res=1;
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_validateaddress.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+    return (res);
+}
+
+int64_t get_getbalance(char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr,cmpstr[64]; int64_t amount=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getbalance","","","","","","","")) != 0 )
+    {
+        fprintf(stderr,"get_getbalance.(%s) %s returned json!\n",refcoin,acname);
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        amount = atof(retstr) * SATOSHIDEN;
+        sprintf(cmpstr,"%.8f",dstr(amount));
+        if ( strcmp(retstr,cmpstr) != 0 )
+            amount++;
+        //printf("retstr %s -> %.8f\n",retstr,dstr(amount));
+        free(retstr);
+    }
+    return (amount);
+}
+
+int64_t z_getbalance(char *refcoin,char *acname,char *coinaddr)
+{
+    cJSON *retjson; char *retstr,cmpstr[64]; int64_t amount=0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_getbalance",coinaddr,"","","","","","")) != 0 )
+    {
+        fprintf(stderr,"z_getbalance.(%s) %s returned json!\n",refcoin,acname);
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        amount = atof(retstr) * SATOSHIDEN;
+        sprintf(cmpstr,"%.8f",dstr(amount));
+        if ( strcmp(retstr,cmpstr) != 0 )
+            amount++;
+        //printf("retstr %s -> %.8f\n",retstr,dstr(amount));
+        free(retstr);
+    }
+    return (amount);
+}
+
+int32_t z_exportkey(char *privkey,char *refcoin,char *acname,char *zaddr)
+{
+    cJSON *retjson; char *retstr,cmpstr[64]; int64_t amount=0;
+    privkey[0] = 0;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_exportkey",zaddr,"","","","","","")) != 0 )
+    {
+        fprintf(stderr,"z_exportkey.(%s) %s returned json!\n",refcoin,acname);
+        free_json(retjson);
+        return(-1);
+    }
+    else if ( retstr != 0 )
+    {
+        //printf("retstr %s -> %.8f\n",retstr,dstr(amount));
+        strcpy(privkey,retstr);
+        free(retstr);
+        return(0);
+    }
+    return(-1);
+}
+
+int32_t getnewaddress(char *coinaddr,char *refcoin,char *acname)
+{
+    cJSON *retjson; char *retstr; int64_t amount=0; int32_t retval = -1;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getnewaddress","","","","","","","")) != 0 )
+    {
+        fprintf(stderr,"getnewaddress.(%s) %s returned json!\n",refcoin,acname);
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        strcpy(coinaddr,retstr);
+        free(retstr);
+        retval = 0;
+    }
+    return(retval);
+}
+
+int32_t z_getnewaddress(char *coinaddr,char *refcoin,char *acname,char *typestr)
+{
+    cJSON *retjson; char *retstr; int64_t amount=0; int32_t retval = -1;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_getnewaddress",typestr,"","","","","","")) != 0 )
+    {
+        fprintf(stderr,"z_getnewaddress.(%s) %s returned json!\n",refcoin,acname);
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        strcpy(coinaddr,retstr);
+        free(retstr);
+        retval = 0;
+    }
+    return(retval);
+}
+
+int64_t find_onetime_amount(char *coinstr,char *coinaddr)
+{
+    cJSON *array,*item; int32_t i,n; char *addr; int64_t amount = 0;
+    coinaddr[0] = 0;
+    if ( (array= get_listunspent(coinstr,"")) != 0 )
+    {
+        //printf("got listunspent.(%s)\n",jprint(array,0));
+        if ( (n= cJSON_GetArraySize(array)) > 0 )
+        {
+            for (i=0; i<n; i++)
+            {
+                item = jitem(array,i);
+                if (is_cJSON_False(jobj(item, "spendable")) != 0)
+                {
+                    continue;
+                }
+                if ( (addr= jstr(item,"address")) != 0 )
+                {
+                    strcpy(coinaddr,addr);
+                    amount = z_getbalance(coinstr,"",coinaddr);
+                    printf("found address.(%s) with amount %.8f\n",coinaddr,dstr(amount));
+                    break;
+                }
+            }
+        }
+        free_json(array);
+    }
+    return(amount);
+}
+
+int64_t find_sprout_amount(char *coinstr,char *zcaddr)
+{
+    cJSON *array,*item; int32_t i,n; char *addr; int64_t amount = 0;
+    zcaddr[0] = 0;
+    if ( (array= z_listunspent(coinstr,"")) != 0 )
+    {
+        if ( (n= cJSON_GetArraySize(array)) > 0 )
+        {
+            for (i=0; i<n; i++)
+            {
+                item = jitem(array,i);
+                if ( (addr= jstr(item,"address")) != 0 && addr[0] == 'z' && addr[1] == 'c' )
+                {
+                    strcpy(zcaddr,addr);
+                    amount = z_getbalance(coinstr,"",zcaddr);
+                    printf("found address.(%s) with amount %.8f\n",zcaddr,dstr(amount));
+                    break;
+                }
+            }
+        }
+        free_json(array);
+    }
+    return(amount);
+}
+
+void importaddress(char *refcoin,char *acname,char *depositaddr)
+{
+    cJSON *retjson; char *retstr;
+    if ( (retjson= get_komodocli(refcoin,&retstr,acname,"importaddress",depositaddr,"","true","","","","")) != 0 )
+    {
+        printf("importaddress.(%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"importaddress.(%s) %s error.(%s)\n",refcoin,acname,retstr);
+        free(retstr);
+    }
+}
+
+int32_t z_sendmany(char *opidstr,char *coinstr,char *acname,char *srcaddr,char *destaddr,int64_t amount,char *memostr)
+{
+    cJSON *retjson; char *retstr,params[1024],addr[128]; int32_t retval = -1;
+    sprintf(params,"'[{\"address\":\"%s\",\"amount\":%.8f,\"memo\":\"%s\"}]'",destaddr,dstr(amount),memostr);
+    sprintf(addr,"\"%s\"",srcaddr);
+    printf("z_sendmany.(%s %s) from.(%s) -> %s\n",coinstr,acname,srcaddr,params);
+    if ( (retjson= get_komodocli(coinstr,&retstr,acname,"z_sendmany",addr,params,"","","","","")) != 0 )
+    {
+        printf("unexpected json z_sendmany.(%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_sendmany.(%s) -> opid.(%s)\n",coinstr,retstr);
+        strcpy(opidstr,retstr);
+        free(retstr);
+        retval = 0;
+    }
+    return(retval);
+}
+
+int32_t z_mergetoaddress(char *opidstr,char *coinstr,char *acname,char *destaddr)
+{
+    cJSON *retjson; char *retstr,addr[128],*opstr; int32_t retval = -1;
+    sprintf(addr,"[\\\"ANY_SPROUT\\\"]");
+    if ( (retjson= get_komodocli(coinstr,&retstr,acname,"z_mergetoaddress",addr,destaddr,"","","","","")) != 0 )
+    {
+        if ( (opstr= jstr(retjson,"opid")) != 0 )
+            strcpy(opidstr,opstr);
+        retval = jint(retjson,"remainingNotes");
+        fprintf(stderr,"%s\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"z_mergetoaddress.(%s) -> opid.(%s)\n",coinstr,retstr);
+        strcpy(opidstr,retstr);
+        free(retstr);
+    }
+    return(retval);
+}
+
+int32_t empty_mempool(char *coinstr,char *acname)
+{
+    cJSON *array; int32_t n;
+    if ( (array= get_rawmempool(coinstr,acname)) != 0 )
+    {
+        if ( (n= cJSON_GetArraySize(array)) > 0 )
+            return(0);
+        free_json(array);
+        return(1);
+    }
+    return(-1);
+}
+
+cJSON *getinputarray(int64_t *totalp,cJSON *unspents,int64_t required)
+{
+    cJSON *vin,*item,*vins = cJSON_CreateArray(); int32_t i,n,v; int64_t satoshis; bits256 txid;
+    *totalp = 0;
+    if ( (n= cJSON_GetArraySize(unspents)) > 0 )
+    {
+        for (i=0; i<n; i++)
+        {
+            item = jitem(unspents,i);
+            satoshis = jdouble(item,"amount") * SATOSHIDEN;
+            txid = jbits256(item,"txid");
+            v = jint(item,"vout");
+            if ( bits256_nonz(txid) != 0 )
+            {
+                vin = cJSON_CreateObject();
+                jaddbits256(vin,"txid",txid);
+                jaddnum(vin,"vout",v);
+                jaddi(vins,vin);
+                *totalp += satoshis;
+                if ( (*totalp) >= required )
+                    break;
+            }
+        }
+    }
+    return(vins);
+}
+
+int32_t tx_has_voutaddress(char *refcoin,char *acname,bits256 txid,char *coinaddr)
+{
+    cJSON *txobj,*vouts,*vout,*vins,*vin,*sobj,*addresses; char *addr,str[65]; int32_t i,j,n,numarray,retval = 0, hasvout=0;
+    if ( (txobj= get_rawtransaction(refcoin,acname,txid)) != 0 )
+    {
+        if ( (vouts= jarray(&numarray,txobj,"vout")) != 0 )
+        {
+            for (i=0; i<numarray; i++)
+            {
+                if ((vout = jitem(vouts,i)) !=0 && (sobj= jobj(vout,"scriptPubKey")) != 0 )
+                {
+                    if ( (addresses= jarray(&n,sobj,"addresses")) != 0 )
+                    {
+                        for (j=0; j<n; j++)
+                        {
+                            addr = jstri(addresses,j);
+                            if ( strcmp(addr,coinaddr) == 0 )
+                            {
+                                //fprintf(stderr,"found %s in %s v%d\n",coinaddr,bits256_str(str,txid),i);
+                                hasvout = 1;
+                                break;
+                            }
+                        }
+                    }
+                }
+                if (hasvout==1) break;
+            }
+        }
+        // if (hasvout==1 && (vins=jarray(&numarray,txobj,"vin"))!=0)
+        // {
+        //     for (int i=0;i<numarray;i++)
+        //     {
+        //         if ((vin=jitem(vins,i))!=0 && validateaddress(refcoin,acname,jstr(vin,"address"),"ismine")!=0)
+        //         {
+        //             retval=1;
+        //             break;
+        //         }
+        //     }
+        // }
+        free_json(txobj);
+    }
+    return(hasvout);
+}
+
+int32_t have_pending_opid(char *coinstr,int32_t clearresults)
+{
+    cJSON *array,*status,*result; int32_t i,n,j,m,pending = 0; char *statusstr;
+    if ( (array= z_listoperationids(coinstr,"")) != 0 )
+    {
+        if ( (n= cJSON_GetArraySize(array)) > 0 )
+        {
+            for (i=0; i<n; i++)
+            {
+                if ( (status= z_getoperationstatus(coinstr,"",jstri(array,i))) != 0 )
+                {
+                    if ( (m= cJSON_GetArraySize(status)) > 0 )
+                    {
+                        for (j=0; j<m; j++)
+                        {
+                            if ( (statusstr= jstr(jitem(status,j),"status")) != 0 )
+                            {
+                                if ( strcmp(statusstr,"executing") == 0 )
+                                {
+                                    pending++;
+                                    //printf("pending.%d\n",pending);
+                                }
+                                else if ( clearresults != 0 )
+                                {
+                                    if ( (result= z_getoperationresult(coinstr,"",jstri(array,i))) != 0 )
+                                    {
+                                        free_json(result);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    free_json(status);
+                }
+            }
+        }
+        free_json(array);
+    }
+    return(pending);
+}
+
+int64_t utxo_value(char *refcoin,char *srcaddr,bits256 txid,int32_t v)
+{
+    cJSON *txjson,*vouts,*vout,*sobj,*array; int32_t numvouts,numaddrs; int64_t val,value = 0; char *addr,str[65];
+    srcaddr[0] = 0;
+    if ( (txjson= get_rawtransaction(refcoin,"",txid)) != 0 )
+    {
+        if ( (vouts= jarray(&numvouts,txjson,"vout")) != 0 && v < numvouts )
+        {
+            vout = jitem(vouts,v);
+            if ( (val= jdouble(vout,"value")*SATOSHIDEN) != 0 && (sobj= jobj(vout,"scriptPubKey")) != 0 )
+            {
+                if ( (array= jarray(&numaddrs,sobj,"addresses")) != 0 && numaddrs == 1 && (addr= jstri(array,0)) != 0 && strlen(addr) < 64 )
+                {
+                    strcpy(srcaddr,addr);
+                    value = val;
+                } else printf("couldnt get unique address for %s/%d\n",bits256_str(str,txid),v);
+            } else printf("error getting value for %s/v%d\n",bits256_str(str,txid),v);
+        }
+    }
+    return(value);
+}
+
+int32_t verify_vin(char *refcoin,bits256 txid,int32_t v,char *cmpaddr)
+{
+    cJSON *txjson,*vins,*vin; int32_t numvins; char vinaddr[64],str[65];
+    vinaddr[0] = 0;
+    if ( (txjson= get_rawtransaction(refcoin,"",txid)) != 0 )
+    {
+        if ( (vins= jarray(&numvins,txjson,"vin")) != 0 && v < numvins )
+        {
+            vin = jitem(vins,v);
+            if ( utxo_value(refcoin,vinaddr,jbits256(vin,"txid"),jint(vin,"vout")) > 0 && strcmp(vinaddr,cmpaddr) == 0 )
+                return(0);
+            printf("mismatched vinaddr.(%s) vs %s\n",vinaddr,cmpaddr);
+        }
+    }
+    return(-1);
+}
+
+int32_t txid_in_vins(char *refcoin,bits256 txid,bits256 cmptxid)
+{
+    cJSON *txjson,*vins,*vin; int32_t numvins,v,vinvout; bits256 vintxid; char str[65];
+    if ( (txjson= get_rawtransaction(refcoin,"",txid)) != 0 )
+    {
+        if ( (vins= jarray(&numvins,txjson,"vin")) != 0 )
+        {
+            for (v=0; v<numvins; v++)
+            {
+                vin = jitem(vins,v);
+                vintxid = jbits256(vin,"txid");
+                vinvout = jint(vin,"vout");
+                if ( memcmp(&vintxid,&cmptxid,sizeof(vintxid)) == 0 && vinvout == 0 )
+                {
+                    return(0);
+                }
+            }
+        }
+    }
+    return(-1);
+}
+
+int32_t dpow_pubkey()
+{
+    char *pstr,*retstr,*str; cJSON *retjson; int32_t retval = -1;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_stats","","","","","","","")) != 0 )
+    {
+        if ( (pstr= jstr(retjson,"publishable_pubkey")) != 0 && strlen(pstr) == 66 )
+        {
+            strcpy(DPOW_pubkeystr,pstr);
+            if ( (str= jstr(retjson,"secpkey")) != 0 )
+                strcpy(DPOW_secpkeystr,str);
+            if ( (str= jstr(retjson,"handle")) != 0 )
+                strcpy(DPOW_handle,str);
+            if ( (str= jstr(retjson,"recvaddr")) != 0 )
+                strcpy(DPOW_recvaddr,str);
+            if ( (str= jstr(retjson,"recvZaddr")) != 0 )
+                strcpy(DPOW_recvZaddr,str);
+            retval = 0;
+        }
+        if ( retval != 0 )
+            printf("DEX_stats.(%s)\n",jprint(retjson,0));
+        free_json(retjson);
+    }
+    if ( DPOW_secpkeystr[0] == 0 )
+        strcpy(DPOW_secpkeystr,"02deaddeaddeaddeaddeaddeaddeaddeaddeaddeaddeaddeaddeaddeaddeaddead");
+    return(retval);
+}
+
+cJSON *dpow_get(uint32_t shorthash)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",shorthash);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_get",numstr,"","","","","","")) != 0 )
+    {
+        //printf("DEX_get.(%s)\n",jprint(retjson,0));
+        if ( juint(retjson,"cancelled") != 0 )
+        {
+            free_json(retjson);
+            retjson = 0;
+        }
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_get.(%u) error.(%s)\n",shorthash,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_cancel(uint32_t shorthash)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",shorthash);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_cancel",numstr,"","","","","","")) != 0 )
+    {
+         //printf("DEX_cancel.(%s)\n",jprint(retjson,0));
+         return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_cancel.(%u) error.(%s)\n",shorthash,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_notarize(char *coin,int32_t height)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",height);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_notarize",coin,numstr,"","","","","")) != 0 )
+    {
+        //printf("DEX_notarize.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_notarize.(%s.%d) error.(%s)\n",coin,height,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_broadcast(int32_t priority,char *hexstr,char *tagA,char *tagB,char *pubkey,char *volA,char *volB)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",priority);
+    //fprintf(stderr,"broadcast (%s) (%s) (%s) (%s) (%s) [%s %s]\n",hexstr,numstr,tagA,tagB,pubkey,volA,volB);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_broadcast",hexstr,numstr,tagA,tagB,pubkey,volA,volB)) != 0 )
+    {
+        //fprintf(stderr,"DEX_broadcast.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_broadcast.(%s/%s) [%s %s] %s error.(%s)\n",tagA,tagB,volA,volB,hexstr,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_publish(int32_t priority,char *filename)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",priority);
+    //fprintf(stderr,"broadcast (%s) (%s) (%s) (%s) (%s) [%s %s]\n",hexstr,numstr,tagA,tagB,pubkey,volA,volB);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_publish",filename,numstr,"0","","","","")) != 0 )
+    {
+        //fprintf(stderr,"DEX_broadcast.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_publish.(%s) %d error.(%s)\n",filename,priority,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_subscribe(int32_t priority,char *filename,char *publisher)
+{
+    cJSON *retjson; char *retstr,numstr[32];
+    sprintf(numstr,"%u",priority);
+    //fprintf(stderr,"broadcast (%s) (%s) (%s) (%s) (%s) [%s %s]\n",hexstr,numstr,tagA,tagB,pubkey,volA,volB);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_subscribe",filename,numstr,"0",publisher,"","","")) != 0 )
+    {
+        //fprintf(stderr,"DEX_broadcast.(%s)\n",jprint(retjson,0));
+        return(retjson);
+    }
+    else if ( retstr != 0 )
+    {
+        fprintf(stderr,"dpow_subscribe.(%s) %d error.(%s)\n",filename,priority,retstr);
+        free(retstr);
+    }
+    return(0);
+}
+
+cJSON *dpow_ntzdata(char *coin,int32_t priority,int32_t height,bits256 blockhash)
+{
+    char hexstr[256],heightstr[32];
+    bits256_str(hexstr,blockhash);
+    sprintf(heightstr,"%u",height);
+    return(dpow_broadcast(priority,hexstr,coin,heightstr,DPOW_pubkeystr,"",""));
+}
+
+bits256 dpow_ntzhash(char *coin,int32_t *prevntzheightp,uint32_t *prevntztimep)
+{
+    char *pstr,*retstr; cJSON *retjson,*array,*item; int32_t n; bits256 ntzhash; uint8_t buf[4];
+    memset(&ntzhash,0,sizeof(ntzhash));
+    *prevntzheightp = 0;
+    *prevntztimep = 0;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",coin,"notarizations",DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            item = jitem(array,0);
+            if ( (pstr= jstr(item,"decrypted")) != 0 && strlen(pstr) == 2*(32 + 2*4) )
+            {
+                decode_hex(ntzhash.bytes,32,pstr);
+                decode_hex(buf,4,pstr + 32*2);
+                *prevntzheightp = ((int32_t)buf[3] + ((int32_t)buf[2] << 8) + ((int32_t)buf[1] << 16) + ((int32_t)buf[0] << 24));
+                decode_hex(buf,4,pstr + 32*2+8);
+                *prevntztimep = ((int32_t)buf[3] + ((int32_t)buf[2] << 8) + ((int32_t)buf[1] << 16) + ((int32_t)buf[0] << 24));
+                //char str[65]; fprintf(stderr,"%s prevntz height.%d %s\n",coin,*prevntzheightp,bits256_str(str,ntzhash));
+            }
+        }
+        free_json(retjson);
+    }
+    return(ntzhash);
+}
+
+int32_t dpow_getmessage(char *payload,int32_t maxsize,char *tagA,char *tagB,char *pubkeystr)
+{
+    cJSON *retjson,*item,*array; char *retstr,*pstr; int32_t i,n,retval = 0;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",tagA,tagB,pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            for (i=0; i<n; i++)
+            {
+                item = jitem(array,i);
+                if ( (pstr= jstr(item,"decrypted")) != 0 && strlen(pstr) < maxsize )
+                {
+                    retval = 1;
+                    strcpy(payload,pstr);
+                    break;
+                }
+            }
+            //fprintf(stderr,"getmessage(%s, %s, %s) -> n.%d retval.%d\n",tagA,tagB,pubkeystr,n,retval);
+        }
+        free_json(retjson);
+    }
+    return(retval);
+}
+
+int32_t dpow_hasmessage(char *payload,char *tagA,char *tagB,char *pubkeystr)
+{
+    cJSON *retjson,*item,*array; char *retstr,*pstr; int32_t i,n,retval = 0;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",tagA,tagB,pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            for (i=0; i<n; i++)
+            {
+                item = jitem(array,i);
+                if ( (pstr= jstr(item,"decrypted")) != 0 && strcmp(payload,pstr) == 0 )
+                {
+                    retval = 1;
+                    //fprintf(stderr,"already have %s/%s/%s\n",tagA,tagB,pubkeystr);
+                    break;
+                }
+            }
+        }
+        free_json(retjson);
+    }
+    return(retval);
+}
+
+int32_t dpow_pubkeyregister(int32_t priority)
+{
+    cJSON *retjson,*array,*item; char *retstr,*pstr=0; int32_t i,n=0,len;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",(char *)"handles",DPOW_handle,DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            item = jitem(array,0);
+            if ( (pstr= jstr(item,"decrypted")) != 0 )
+            {
+                //fprintf(stderr,"found secpkey.(%s)\n",pstr);
+            }
+        }
+        free_json(retjson);
+    }
+    if ( pstr == 0 )
+    {
+        dpow_broadcast(priority,DPOW_secpkeystr,(char *)"handles",DPOW_handle,DPOW_pubkeystr,"","");
+        return(1);
+    }
+    return(0);
+}
+
+int32_t dpow_tokenregister(char *existing,int32_t priority,char *token_name,char *tokenid)
+{
+    cJSON *retjson,*array,*item; char *retstr,*pstr=0; int32_t i,n=0,len;
+    existing[0] = 0;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",(char *)"tokens",token_name,DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            item = jitem(array,0);
+            if ( juint(item,"cancelled") == 0 && (pstr= jstr(item,"decrypted")) != 0 )
+            {
+                strcpy(existing,pstr);
+                if ( tokenid != 0 && strcmp(pstr,tokenid) != 0 )
+                {
+                    fprintf(stderr,"found %s.tokenid (%s) != %s\n",token_name,pstr,tokenid);
+                    pstr = 0;
+                }
+            }
+        }
+        free_json(retjson);
+    }
+    if ( pstr == 0 && tokenid != 0 )
+    {
+        fprintf(stderr,"broadcast tokens %s/%s\n",token_name,tokenid);
+        dpow_broadcast(priority,tokenid,(char *)"tokens",token_name,DPOW_pubkeystr,"","");
+        return(1);
+    }
+    return(0);
+}
+
+/*bits256 komodo_DEX_filehash(FILE *fp,uint64_t offset0,uint64_t rlen,char *fname)
+{
+    bits256 filehash; uint8_t *data = (uint8_t *)calloc(1,rlen);
+    fseek(fp,offset0,SEEK_SET);
+    memset(filehash.bytes,0,sizeof(filehash));
+    if ( fread(data,1,rlen,fp) == rlen )
+        vcalc_sha256(0,filehash.bytes,data,rlen);
+    else fprintf(stderr," reading %lld bytes from %s.%llu\n",(long long)rlen,fname,(long long)offset0);
+    free(data);
+    return(filehash);
+}*/
+
+int32_t dpow_fileregister(char *existing,int32_t priority,char *fname,char *coin,int64_t price)
+{
+    FILE *fp; cJSON *retjson,*array,*item; bits256 existinghash,filehash; char tagA[16],pricestr[32],str[65],*retstr,*pstr=0; int32_t i,n=0,len;
+    existing[0] = 0;
+    sprintf(pricestr,"%.8f",dstr(price));
+    //fprintf(stderr,"filereg (%s) (%s) (%s)\n",fname,coin,pricestr);
+    memset(&filehash,0,sizeof(filehash));
+    if ( (fp= fopen(fname,"rb")) != 0 ) // better to use hash of file
+    {
+        fseek(fp,0,SEEK_END);
+        filehash.ulongs[0] = (uint64_t)ftell(fp);
+        fclose(fp);
+    } else return(-1);
+    sprintf(tagA,"'#%s'",fname);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",tagA,coin,DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            item = jitem(array,0);
+            if ( juint(item,"cancelled") == 0 && (pstr= jstr(item,"decrypted")) != 0 )
+            {
+                strcpy(existing,pstr);
+                if ( is_hexstr(existing,0) == sizeof(existinghash)*2 )
+                {
+                    decode_hex(existinghash.bytes,sizeof(existinghash),existing);
+                    if ( memcmp(&filehash,&existinghash,sizeof(filehash)) != 0 )
+                    {
+                        fprintf(stderr,"found mismatched %s vs %s: %s (%s %s)\n",existing,bits256_str(str,filehash),fname,coin,pricestr);
+                        pstr = 0;
+                    } //else fprintf(stderr,"found matching %s\n",jprint(item,0));
+                }
+            }
+        }
+        free_json(retjson);
+    }
+    if ( pstr == 0 )
+    {
+        fprintf(stderr,"broadcast %s %s (%s %s)\n",bits256_str(str,filehash),fname,coin,pricestr);
+        dpow_broadcast(priority,bits256_str(str,filehash),tagA,coin,DPOW_pubkeystr,"1",pricestr);
+        return(1);
+    }
+    return(0);
+}
+
+bits256 dpow_blockhash(char *coin,int32_t height)
+{
+    cJSON *retjson,*array,*item; char *retstr,*pstr=0,numstr[32]; int32_t i,n=0,len; bits256 hash;
+    memset(hash.bytes,0,sizeof(hash));
+    sprintf(numstr,"%d",height);
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list","0","0",coin,numstr,DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 )
+        {
+            item = jitem(array,0);
+            if ( (pstr= jstr(item,"decrypted")) != 0 )
+            {
+                //fprintf(stderr,"found blockhash.(%s)\n",pstr);
+                if ( strlen(pstr) == 64 )
+                    decode_hex(hash.bytes,sizeof(hash),pstr);
+            }
+        }
+        free_json(retjson);
+    }
+    return(hash);
+}
+
+struct inboxinfo
+{
+    uint32_t shorthash;
+    char *jsonstr,senderpub[67];
+};
+
+struct inboxinfo **dpow_inboxcheck(int32_t *nump,uint32_t *stopatp,char *tagB)
+{
+    cJSON *retjson,*array,*item; struct inboxinfo **ptrs=0; char *senderpub,*retstr,*ptr,*pstr=0,stopstr[32]; int32_t i,j,n,m=0,len;
+    sprintf(stopstr,"%u",*stopatp);
+    *nump = 0;
+    if ( (retjson= get_komodocli((char *)"",&retstr,DEXP2P_CHAIN,"DEX_list",stopstr,"0",(char *)"inbox",tagB,DPOW_pubkeystr,"","")) != 0 )
+    {
+        if ( (array= jarray(&n,retjson,"matches")) != 0 && n > 0 )
+        {
+            ptrs = calloc(n,sizeof(*ptrs));
+            for (i=0; i<n; i++)
+            {
+                item = jitem(array,i);
+                if ( (senderpub= jstr(item,"senderpub")) != 0 && is_hexstr(senderpub,0) == 66 )
+                {
+                    if ( m == 0 )
+                        *stopatp = juint(item,"id");
+                    if ( (pstr= jstr(item,"decrypted")) != 0 )
+                    {
+                        ptr = clonestr(pstr);
+                        for (j=0; ptr[j]!=0; j++)
+                            if ( ptr[j] == '\'' )
+                                ptr[j] = '"';
+                        ptrs[m] = calloc(1,sizeof(struct inboxinfo));
+                        ptrs[m]->shorthash = juint(item,"id");
+                        ptrs[m]->jsonstr = ptr;
+                        strcpy(ptrs[m]->senderpub,senderpub);
+                        m++;
+                    }
+                }
+            }
+            *nump = m;
+        }
+        free_json(retjson);
+    }
+    return(ptrs);
+}
+
+