This commit is contained in:
Duke Leto
2021-09-03 12:35:59 -04:00
parent ae9b87740d
commit 3d4123ee88
11 changed files with 65 additions and 90 deletions

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@@ -17,7 +17,7 @@
How to write utxo based CryptoConditions contracts for HUSH chains
by jl777
This is not the only smart contracts methodology that is possible to build on top of OP_CHECKCRYPTOCONDITION, just the first one. All the credit for getting OP_CHECKCRYPTOCONDITION working in the Komodo codebase goes to @libscott. I am just hooking into the code that he made and tried to make it just a little easier to make new contracts.
This is not the only smart contracts methodology that is possible to build on top of OP_CHECKCRYPTOCONDITION, just the first one. All the credit for getting OP_CHECKCRYPTOCONDITION working in the Hush codebase goes to @libscott. I am just hooking into the code that he made and tried to make it just a little easier to make new contracts.
There is probably some fancy marketing name to use, but for now, I will just call it "CC contract" for short, knowing that it is not 100% technically accurate as the CryptoConditions aspect is not really the main attribute. However, the HUSH contracts were built to make the CryptoConditions codebase that was integrated into it to be more accessible.
@@ -677,7 +677,7 @@ This codebase and tools in between the GUI and the rpc level will be a very good
##########
Conclusion
I hope this document has helped you understand what a Komodo utxo based CC contract is and how it is different from the other smart contracts. If you are now able to dive into the cc directory and start making your own CC contract, then I am very happy!
I hope this document has helped you understand what a Hush utxo based CC contract is and how it is different from the other smart contracts. If you are now able to dive into the cc directory and start making your own CC contract, then I am very happy!
gateways CC

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@@ -384,7 +384,7 @@ cJSON *hushdex_cli(char *clistr,char **retstrp,char *method,char *arg0,char *arg
return(retjson);
}
bits256 komodobroadcast(char *refcoin,char *acname,cJSON *hexjson)
bits256 hushbroadcast(char *refcoin,char *acname,cJSON *hexjson)
{
char *hexstr,*retstr,str[65]; cJSON *retjson; bits256 txid;
memset(txid.bytes,0,sizeof(txid));
@@ -439,7 +439,7 @@ bits256 tokentransfer(char *refcoin,char *acname,char *tokenid,char *destpub,int
sprintf(numstr,"%llu",(long long)units);
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"tokentransfer",tokenid,destpub,numstr,"","","","")) != 0 )
{
txid = komodobroadcast(refcoin,acname,retjson);
txid = hushbroadcast(refcoin,acname,retjson);
fprintf(stderr,"tokentransfer returned (%s)\n",jprint(retjson,0));
free_json(retjson);
}

View File

@@ -316,7 +316,7 @@ cJSON *get_urljson(char *url,char *fname)
char *REFCOIN_CLI;
cJSON *get_komodocli(char *refcoin,char **retstrp,char *acname,char *method,char *arg0,char *arg1,char *arg2,char *arg3)
cJSON *get_hushcli(char *refcoin,char **retstrp,char *acname,char *method,char *arg0,char *arg1,char *arg2,char *arg3)
{
long fsize; cJSON *retjson = 0; char cmdstr[32768],*jsonstr,fname[256];
sprintf(fname,"/tmp/zmigrate.%s",method);
@@ -346,37 +346,12 @@ cJSON *get_komodocli(char *refcoin,char **retstrp,char *acname,char *method,char
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 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,"","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"sendtoaddress",destaddr,numstr,"","")) != 0 )
{
fprintf(stderr,"unexpected sendrawtransaction json.(%s)\n",jprint(retjson,0));
free_json(retjson);
@@ -397,7 +372,7 @@ bits256 sendtoaddress(char *refcoin,char *acname,char *destaddr,int64_t satoshis
int32_t get_coinheight(char *refcoin,char *acname)
{
cJSON *retjson; char *retstr; int32_t height=0;
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getblockchaininfo","","","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getblockchaininfo","","","","")) != 0 )
{
height = jint(retjson,"blocks");
free_json(retjson);
@@ -415,7 +390,7 @@ 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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getblockhash",heightstr,"","","")) != 0 )
{
fprintf(stderr,"unexpected blockhash json.(%s)\n",jprint(retjson,0));
free_json(retjson);
@@ -436,7 +411,7 @@ bits256 get_coinmerkleroot(char *refcoin,char *acname,bits256 blockhash)
{
cJSON *retjson; char *retstr,str[65]; bits256 merkleroot;
memset(merkleroot.bytes,0,sizeof(merkleroot));
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getblockheader",bits256_str(str,blockhash),"","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getblockheader",bits256_str(str,blockhash),"","","")) != 0 )
{
merkleroot = jbits256(retjson,"merkleroot");
//fprintf(stderr,"got merkleroot.(%s)\n",bits256_str(str,merkleroot));
@@ -474,7 +449,7 @@ int32_t get_coinheader(char *refcoin,char *acname,bits256 *blockhashp,bits256 *m
cJSON *get_rawmempool(char *refcoin,char *acname)
{
cJSON *retjson; char *retstr;
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"getrawmempool","","","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getrawmempool","","","","")) != 0 )
{
//printf("mempool.(%s)\n",jprint(retjson,0));
return(retjson);
@@ -493,7 +468,7 @@ cJSON *get_addressutxos(char *refcoin,char *acname,char *coinaddr)
if ( refcoin[0] != 0 && strcmp(refcoin,"HUSH3") != 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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getaddressutxos",jsonbuf,"","","")) != 0 )
{
//printf("addressutxos.(%s)\n",jprint(retjson,0));
return(retjson);
@@ -509,7 +484,7 @@ cJSON *get_addressutxos(char *refcoin,char *acname,char *coinaddr)
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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getrawtransaction",bits256_str(str,txid),"1","","")) != 0 )
{
return(retjson);
}
@@ -524,7 +499,7 @@ cJSON *get_rawtransaction(char *refcoin,char *acname,bits256 txid)
cJSON *get_listunspent(char *refcoin,char *acname)
{
cJSON *retjson; char *retstr,str[65];
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"listunspent","","","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"listunspent","","","","")) != 0 )
{
return(retjson);
}
@@ -539,7 +514,7 @@ cJSON *get_listunspent(char *refcoin,char *acname)
cJSON *z_listunspent(char *refcoin,char *acname)
{
cJSON *retjson; char *retstr,str[65];
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_listunspent","","","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_listunspent","","","","")) != 0 )
{
return(retjson);
}
@@ -554,7 +529,7 @@ cJSON *z_listunspent(char *refcoin,char *acname)
cJSON *z_listoperationids(char *refcoin,char *acname)
{
cJSON *retjson; char *retstr,str[65];
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"z_listoperationids","","","","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_listoperationids","","","","")) != 0 )
{
return(retjson);
}
@@ -570,7 +545,7 @@ 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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_getoperationstatus",params,"","","")) != 0 )
{
//printf("got status (%s)\n",jprint(retjson,0));
return(retjson);
@@ -587,7 +562,7 @@ 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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_getoperationresult",params,"","","")) != 0 )
{
return(retjson);
}
@@ -602,7 +577,7 @@ cJSON *z_getoperationresult(char *refcoin,char *acname,char *opid)
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 ( (retjson= get_hushcli(refcoin,&retstr,acname,"validateaddress",depositaddr,"","","")) != 0 )
{
if (is_cJSON_True(jobj(retjson,compare)) != 0 ) res=1;
free_json(retjson);
@@ -618,7 +593,7 @@ int32_t validateaddress(char *refcoin,char *acname,char *depositaddr, char* comp
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 ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_validateaddress",depositaddr,"","","")) != 0 )
{
if (is_cJSON_True(jobj(retjson,compare)) != 0 )
res=1;
@@ -635,7 +610,7 @@ int32_t z_validateaddress(char *refcoin,char *acname,char *depositaddr, char *co
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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_getbalance",coinaddr,"","","")) != 0 )
{
fprintf(stderr,"z_getbalance.(%s) %s returned json!\n",refcoin,acname);
free_json(retjson);
@@ -656,7 +631,7 @@ 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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_exportkey",zaddr,"","","")) != 0 )
{
fprintf(stderr,"z_exportkey.(%s) %s returned json!\n",refcoin,acname);
free_json(retjson);
@@ -675,7 +650,7 @@ int32_t z_exportkey(char *privkey,char *refcoin,char *acname,char *zaddr)
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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"getnewaddress","","","","")) != 0 )
{
fprintf(stderr,"getnewaddress.(%s) %s returned json!\n",refcoin,acname);
free_json(retjson);
@@ -692,7 +667,7 @@ int32_t getnewaddress(char *coinaddr,char *refcoin,char *acname)
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 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"z_getnewaddress",typestr,"","","")) != 0 )
{
fprintf(stderr,"z_getnewaddress.(%s) %s returned json!\n",refcoin,acname);
free_json(retjson);
@@ -764,7 +739,7 @@ int64_t find_sprout_amount(char *coinstr,char *zcaddr)
void importaddress(char *refcoin,char *acname,char *depositaddr)
{
cJSON *retjson; char *retstr;
if ( (retjson= get_komodocli(refcoin,&retstr,acname,"importaddress",depositaddr,"","true","")) != 0 )
if ( (retjson= get_hushcli(refcoin,&retstr,acname,"importaddress",depositaddr,"","true","")) != 0 )
{
printf("importaddress.(%s)\n",jprint(retjson,0));
free_json(retjson);
@@ -782,7 +757,7 @@ int32_t z_sendmany(char *opidstr,char *coinstr,char *acname,char *srcaddr,char *
sprintf(params,"'[{\"address\":\"%s\",\"amount\":%.8f}]'",destaddr,dstr(amount));
sprintf(addr,"\"%s\"",srcaddr);
printf("z_sendmany from.(%s) -> %s\n",srcaddr,params);
if ( (retjson= get_komodocli(coinstr,&retstr,acname,"z_sendmany",addr,params,"","")) != 0 )
if ( (retjson= get_hushcli(coinstr,&retstr,acname,"z_sendmany",addr,params,"","")) != 0 )
{
printf("unexpected json z_sendmany.(%s)\n",jprint(retjson,0));
free_json(retjson);
@@ -801,7 +776,7 @@ 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 ( (retjson= get_hushcli(coinstr,&retstr,acname,"z_mergetoaddress",addr,destaddr,"","")) != 0 )
{
if ( (opstr= jstr(retjson,"opid")) != 0 )
strcpy(opidstr,opstr);