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test: add block 2016 to mock mainnet

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The next commit requires an additional mainnet block which changes the difficulty.

Also fix a few minor mistakes in the test (suite):
- rename the create_coinbase retarger_period argument to halving_period. Before bitcoin#31583 this was hardcoded for regtest where these values are the same.
- drop unused fees argument from mine helper

Finally the CPU miner instructions for generating the alternative mainnet chain are expanded.
This commit is contained in:
Sjors Provoost
2025-09-20 21:32:41 +02:00
parent 953544d028
commit 4c3c1f42cf
4 changed files with 30 additions and 13 deletions
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4
test/functional/test_framework/blocktools.py
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@@ -144,7 +144,7 @@ def script_BIP34_coinbase_height(height):
return CScript([CScriptNum(height)])
def create_coinbase(height, pubkey=None, *, script_pubkey=None, extra_output_script=None, fees=0, nValue=50, retarget_period=REGTEST_RETARGET_PERIOD):
def create_coinbase(height, pubkey=None, *, script_pubkey=None, extra_output_script=None, fees=0, nValue=50, halving_period=REGTEST_RETARGET_PERIOD):
"""Create a coinbase transaction.
If pubkey is passed in, the coinbase output will be a P2PK output;
@@ -158,7 +158,7 @@ def create_coinbase(height, pubkey=None, *, script_pubkey=None, extra_output_scr
coinbaseoutput = CTxOut()
coinbaseoutput.nValue = nValue * COIN
if nValue == 50:
halvings = int(height / retarget_period)
halvings = int(height / halving_period)
coinbaseoutput.nValue >>= halvings
coinbaseoutput.nValue += fees
if pubkey is not None: