diff options
Diffstat (limited to 'contrib/signet/miner')
| -rwxr-xr-x | contrib/signet/miner | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/contrib/signet/miner b/contrib/signet/miner index a3fba49d0e..f1360818ae 100755 --- a/contrib/signet/miner +++ b/contrib/signet/miner @@ -428,10 +428,13 @@ def do_generate(args): action_time = now is_mine = True elif bestheader["height"] == 0: - logging.error("When mining first block in a new signet, must specify --set-block-time") - return 1 + time_delta = next_block_delta(int(bestheader["bits"], 16), bci["bestblockhash"], ultimate_target, args.poisson) + time_delta *= 100 # 100 blocks + logging.info("Backdating time for first block to %d minutes ago" % (time_delta/60)) + mine_time = now - time_delta + action_time = now + is_mine = True else: - time_delta = next_block_delta(int(bestheader["bits"], 16), bci["bestblockhash"], ultimate_target, args.poisson) mine_time = bestheader["time"] + time_delta @@ -520,12 +523,11 @@ def do_calibrate(args): sys.stderr.write("Can only specify one of --nbits or --seconds\n") return 1 if args.nbits is not None and len(args.nbits) != 8: - sys.stderr.write("Must specify 8 hex digits for --nbits") + sys.stderr.write("Must specify 8 hex digits for --nbits\n") return 1 TRIALS = 600 # gets variance down pretty low TRIAL_BITS = 0x1e3ea75f # takes about 5m to do 600 trials - #TRIAL_BITS = 0x1e7ea75f # XXX header = CBlockHeader() header.nBits = TRIAL_BITS @@ -533,23 +535,14 @@ def do_calibrate(args): start = time.time() count = 0 - #CHECKS=[] for i in range(TRIALS): header.nTime = i header.nNonce = 0 headhex = header.serialize().hex() cmd = args.grind_cmd.split(" ") + [headhex] newheadhex = subprocess.run(cmd, stdout=subprocess.PIPE, input=b"", check=True).stdout.strip() - #newhead = FromHex(CBlockHeader(), newheadhex.decode('utf8')) - #count += newhead.nNonce - #if (i+1) % 100 == 0: - # CHECKS.append((i+1, count, time.time()-start)) - - #print("checks =", [c*1.0 / (b*targ*2**-256) for _,b,c in CHECKS]) avg = (time.time() - start) * 1.0 / TRIALS - #exp_count = 2**256 / targ * TRIALS - #print("avg =", avg, "count =", count, "exp_count =", exp_count) if args.nbits is not None: want_targ = nbits_to_target(int(args.nbits,16)) @@ -590,7 +583,6 @@ def main(): generate.add_argument("--nbits", default=None, type=str, help="Target nBits (specify difficulty)") generate.add_argument("--min-nbits", action="store_true", help="Target minimum nBits (use min difficulty)") generate.add_argument("--poisson", action="store_true", help="Simulate randomised block times") - #generate.add_argument("--signcmd", default=None, type=str, help="Alternative signing command") generate.add_argument("--multiminer", default=None, type=str, help="Specify which set of blocks to mine (eg: 1-40/100 for the first 40%%, 2/3 for the second 3rd)") generate.add_argument("--backup-delay", default=300, type=int, help="Seconds to delay before mining blocks reserved for other miners (default=300)") generate.add_argument("--standby-delay", default=0, type=int, help="Seconds to delay before mining blocks (default=0)") @@ -605,7 +597,7 @@ def main(): sp.add_argument("--descriptor", default=None, type=str, help="Descriptor for block reward payment") for sp in [solvepsbt, generate, calibrate]: - sp.add_argument("--grind-cmd", default=None, type=str, help="Command to grind a block header for proof-of-work") + sp.add_argument("--grind-cmd", default=None, type=str, required=(sp==calibrate), help="Command to grind a block header for proof-of-work") args = parser.parse_args(sys.argv[1:]) |