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@ -1146,8 +1146,10 @@ void static RandomXMiner() |
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fprintf(stderr,"RandomXMiner: created randomxHash of size %d\n", RANDOMX_HASH_SIZE); |
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// Initial randomx key is chain magic || ac_name which is >= 2^40 bits of entropy assuming strlen(ac_name) >= 1
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// For ac_name=DRAGONX we have 4 + 7 = 11 bytes or 2^88 bits of entropy
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char randomxKey[4 + strlen(SMART_CHAIN_SYMBOL)]; |
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fprintf(stderr,"RandomXMiner: creating randomxKey of size %d\n", 4 + strlen(SMART_CHAIN_SYMBOL)); |
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//int randomxKeySize = sizeof(randomxKey); // 4 + strlen(SMART_CHAIN_SYMBOL)];
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char randomxKey[] = "RANDOMX"; |
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//fprintf(stderr,"RandomXMiner: creating randomxKey of size %d\n", randomxKeySize);
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/*
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randomxKey[0] = ASSETCHAINS_MAGIC & 0xff; |
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randomxKey[1] = (ASSETCHAINS_MAGIC >> 8) & 0xff; |
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randomxKey[2] = (ASSETCHAINS_MAGIC >> 16) & 0xff; |
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@ -1155,15 +1157,20 @@ void static RandomXMiner() |
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for(int i=0; i++; i<strlen(SMART_CHAIN_SYMBOL) ) { |
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randomxKey[4+i] = SMART_CHAIN_SYMBOL[i]; |
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fprintf(stderr,"RandomXMiner: added %s to randomxKey\n", SMART_CHAIN_SYMBOL[i]); |
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} |
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fprintf(stderr,"RandomXMiner: created randomxKey=%s\n", randomxKey); |
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*/ |
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crypto_generichash_blake2b_state state; |
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// Hash = blake2b( key || ac_name)
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crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], 4 + strlen(SMART_CHAIN_SYMBOL)); |
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crypto_generichash_blake2b_update(&state, (unsigned char*)&SMART_CHAIN_SYMBOL[0], strlen(SMART_CHAIN_SYMBOL)); |
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uchar randomxInput[32]; |
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crypto_generichash_blake2b_final(&state, randomxInput, 32); |
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//crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], sizeof(randomxKey));
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//crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], 4 + strlen(SMART_CHAIN_SYMBOL) + 1);
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//crypto_generichash_blake2b_update(&state, (unsigned char*)&SMART_CHAIN_SYMBOL[0], sizeof(SMART_CHAIN_SYMBOL));
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//uchar randomxInput[32];
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//crypto_generichash_blake2b_final(&state, randomxInput, 32);
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unsigned char randomxInput[] = "RANDOMX"; |
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fprintf(stderr,"RandomXMiner: created randomxInput\n"); |
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randomx_flags flags = randomx_get_flags(); |
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randomx_cache *randomxCache = randomx_alloc_cache(flags); |
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@ -1179,20 +1186,23 @@ void static RandomXMiner() |
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// This lag is 80 mins for 75s blocktime and 64 mins for 60s (default) blocktime for HSCs
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int randomxBlockLag = 64; |
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fprintf(stderr,"RandomX using initial key with interval=%d and lag=%d\n", randomxInterval, randomxBlockLag); |
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fprintf(stderr,"RandomXMiner: Mining_height=%u\n", Mining_height); |
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// Use the initial key at the start of the chain
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if( (Mining_height-randomxBlockLag) < randomxInterval) { |
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fprintf(stderr,"RandomX using initial key with interval=%d and lag=%d\n", randomxInterval, randomxBlockLag); |
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if( (Mining_height) < randomxInterval + randomxBlockLag) { |
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randomx_init_cache(randomxCache, &randomxKey, sizeof randomxKey); |
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fprintf(stderr,"RandomXMiner: initialized cache with initial key\n"); |
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} else { |
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// At heights between intervals, we use the same block key and wait randomxBlockLag blocks until changing
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int keyHeight = ((Mining_height - randomxBlockLag) / randomxInterval) * randomxInterval; |
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LogPrintf("RandomX key height=%d\n", keyHeight); |
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fprintf(stderr,"RandomXMiner: key height=%d\n", keyHeight); |
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uint256 randomxBlockKey = chainActive[keyHeight]->GetBlockHash(); |
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crypto_generichash_blake2b_state new_state; |
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crypto_generichash_blake2b_update(&state, (unsigned char *)&randomxBlockKey, 32); |
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crypto_generichash_blake2b_final(&state, randomxInput, 32); |
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randomx_init_cache(randomxCache, &randomxBlockKey, sizeof randomxKey); |
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fprintf(stderr,"RandomXMiner: initialized cache\n"); |
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} |
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randomx_vm *myVM = randomx_create_vm(flags, randomxCache, NULL); |
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@ -1200,10 +1210,13 @@ void static RandomXMiner() |
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LogPrintf("Cannot create RandomX VM, aborting!\n"); |
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return; |
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} |
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fprintf(stderr,"RandomXMiner: created VM\n"); |
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randomx_calculate_hash(myVM, &randomxInput, sizeof randomxInput, randomxHash); |
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fprintf(stderr,"RandomXMiner: calculated randomx hash\n"); |
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randomx_destroy_vm(myVM); |
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fprintf(stderr,"RandomXMiner: destroyed VM\n"); |
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randomx_release_cache(randomxCache); |
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printf("RandomX Hash: "); |
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