struct consensus_model *create_genesis(uint64_t PoW_diff,int32_t blockduration,int32_t leverage,uint64_t *stakes,int32_t num)
{
struct consensus_model *mp = calloc(1,sizeof(*mp));
struct crypto777_generator gen;
struct crypto777_ledger *ledger = 0;
uint32_t i,blocknum = 0;
bits384 prev;
mp->genesis_timestamp = (uint32_t)time(NULL);
if ( stakes != 0 )
{
ledger = calloc(1,sizeof(*ledger));
ledger->num = num, ledger->timestamp = mp->genesis_timestamp;
strncpy(ledger->name,"stakeledger",sizeof(ledger->name)-1);
for (i=0; i<num; i++)
ledger->vals[i] = stakes[i];
mp->stakeledger = *ledger;
free(ledger);
} else mp->stakeid = MODEL_ROUNDROBIN;
memset(prev.bytes,0,sizeof(prev));
mp->POW_DIFF = PoW_diff, mp->blockduration = blockduration, mp->packet_leverage = leverage;
memset(&prev,0,sizeof(prev));
calc_generator(&gen,calc_stake(0,mp),"",0,0,prev,mp->POW_DIFF);
mp->blocks[0] = sign_block(Network[0],&gen,0,0,blocknum,mp->genesis_timestamp);
return(mp);
}
struct crypto777_block *generate_block(struct consensus_model *model,struct crypto777_node *nn,uint8_t *msg,int32_t len,uint32_t blocknum,uint32_t timestamp)
{
struct crypto777_generator gen;
struct crypto777_block *prev,*block = 0;
if ( (prev= model->blocks[blocknum-1]) != 0 )
{
calc_generator(&gen,calc_stake(nn,model),nn->email,timestamp,prev->gen.metric,prev->gen.hash,model->POW_DIFF);
//printf("node.%d GENERATE.%d %.8f (%.8f + prev %.8f)\n",nn->nodeid,blocknum,dstr(gen.metric),dstr(gen.hit),dstr(prev->gen.metric));
block = sign_block(nn,&gen,msg,len,blocknum,timestamp);
update_block(model,nn,model->blocks,blocknum,block,timestamp);
}
return(block);
}
// compute an XML signature element for some text
//
int generate_signature(
char* text_to_sign, char* signature_hex, R_RSA_PRIVATE_KEY& key
) {
DATA_BLOCK block, signature_data;
unsigned char signature_buf[SIGNATURE_SIZE_BINARY];
int retval;
block.data = (unsigned char*)text_to_sign;
block.len = (unsigned int)strlen(text_to_sign);
signature_data.data = signature_buf;
signature_data.len = SIGNATURE_SIZE_BINARY;
retval = sign_block(block, key, signature_data);
if (retval) return retval;
sprint_hex_data(signature_hex, signature_data);
return 0;
}
