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fix(events): nano scenarios on simulator when using Docker #1326

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Merged
jansegre merged 1 commit into from
Jul 21, 2025
Merged

fix(events): nano scenarios on simulator when using Docker #1326

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30 changes: 26 additions & 4 deletions hathor/cli/events_simulator/scenario.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
from typing import TYPE_CHECKING, Optional

if TYPE_CHECKING:
from hathor.dag_builder import DAGBuilder
from hathor.dag_builder.artifacts import DAGArtifacts
from hathor.manager import HathorManager
from hathor.simulator import Simulator
Expand Down Expand Up @@ -287,7 +288,6 @@ def simulate_nc_events(simulator: 'Simulator', manager: 'HathorManager') -> Opti
from hathor.nanocontracts.catalog import NCBlueprintCatalog
from hathor.nanocontracts.context import Context
from hathor.nanocontracts.types import ContractId
from tests.dag_builder.builder import TestDAGBuilder # skip-import-tests-custom-check

class TestEventsBlueprint1(Blueprint):
@public
Expand Down Expand Up @@ -320,7 +320,7 @@ def some_method(self, ctx: Context) -> None:
blueprint1_id: TestEventsBlueprint1,
blueprint2_id: TestEventsBlueprint2,
})
dag_builder = TestDAGBuilder.from_manager(manager)
dag_builder = _create_dag_builder(manager)
artifacts = dag_builder.build_from_str(f'''
blockchain genesis b[1..3]
b1 < dummy
Expand Down Expand Up @@ -357,7 +357,6 @@ def simulate_nc_events_reorg(simulator: 'Simulator', manager: 'HathorManager') -
from hathor.nanocontracts import Blueprint, public
from hathor.nanocontracts.catalog import NCBlueprintCatalog
from hathor.nanocontracts.context import Context
from tests.dag_builder.builder import TestDAGBuilder # skip-import-tests-custom-check

class TestEventsBlueprint1(Blueprint):
@public
Expand All @@ -366,7 +365,7 @@ def initialize(self, ctx: Context) -> None:

blueprint1_id = b'\x11' * 32
manager.tx_storage.nc_catalog = NCBlueprintCatalog({blueprint1_id: TestEventsBlueprint1})
dag_builder = TestDAGBuilder.from_manager(manager)
dag_builder = _create_dag_builder(manager)

# 2 reorgs happen, so nc1.initialize() gets executed 3 times, once in block a2 and twice in block b2
artifacts = dag_builder.build_from_str(f'''
Expand All @@ -386,3 +385,26 @@ def initialize(self, ctx: Context) -> None:
simulator.run(1)

return artifacts


def _create_dag_builder(manager: 'HathorManager') -> 'DAGBuilder':
from mnemonic import Mnemonic

from hathor.dag_builder import DAGBuilder
from hathor.wallet import HDWallet

seed = ('coral light army gather adapt blossom school alcohol coral light army gather '
'adapt blossom school alcohol coral light army gather adapt blossom school awesome')

def create_random_hd_wallet() -> HDWallet:
m = Mnemonic('english')
words = m.to_mnemonic(manager.rng.randbytes(32))
hd = HDWallet(words=words)
hd._manually_initialize()
return hd

return DAGBuilder.from_manager(
manager=manager,
genesis_words=seed,
wallet_factory=create_random_hd_wallet,
)