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signet/miner: add Generate.gbt function

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This commit is contained in:
Anthony Towns 2022-10-01 13:19:22 +10:00
parent 85c5c0bea9
commit 7b31332370
1 changed files with 18 additions and 11 deletions
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29
contrib/signet/miner
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@ -290,6 +290,22 @@ class Generate:
# can't mine a block 2h in the future; 1h55m for some safety
self.action_time = max(self.action_time, self.mine_time - 6900)
def gbt(self, bcli, bestblockhash, now):
tmpl = json.loads(bcli("getblocktemplate", '{"rules":["signet","segwit"]}'))
if tmpl["previousblockhash"] != bestblockhash:
logging.warning("GBT based off unexpected block (%s not %s), retrying", tmpl["previousblockhash"], bci["bestblockhash"])
time.sleep(1)
return None
if tmpl["mintime"] > self.mine_time:
logging.info("Updating block time from %d to %d", self.mine_time, tmpl["mintime"])
self.mine_time = tmpl["mintime"]
if self.mine_time > now:
logging.error("GBT mintime is in the future: %d is %d seconds later than %d", self.mine_time, (self.mine_time-now), now)
return None
return tmpl
def do_generate(args):
if args.max_blocks is not None:
if args.ongoing:
@ -389,21 +405,12 @@ def do_generate(args):
continue
# gbt
tmpl = json.loads(args.bcli("getblocktemplate", '{"rules":["signet","segwit"]}'))
if tmpl["previousblockhash"] != bci["bestblockhash"]:
logging.warning("GBT based off unexpected block (%s not %s), retrying", tmpl["previousblockhash"], bci["bestblockhash"])
time.sleep(1)
tmpl = gen.gbt(args.bcli, bci["bestblockhash"], now)
if tmpl is None:
continue
logging.debug("GBT template: %s", tmpl)
if tmpl["mintime"] > gen.mine_time:
logging.info("Updating block time from %d to %d", gen.mine_time, tmpl["mintime"])
gen.mine_time = tmpl["mintime"]
if gen.mine_time > now:
logging.error("GBT mintime is in the future: %d is %d seconds later than %d", gen.mine_time, (gen.mine_time-now), now)
return 1
# address for reward
reward_addr, reward_spk = get_reward_addr_spk(args, tmpl["height"])