def test_init_chain_recognizes_new_chain_after_migration(b):
validators = [generate_validator()]
request = generate_init_chain_request('chain-XYZ', validators)
res = App(b).init_chain(request)
assert res == ResponseInitChain()
validator_set = query.get_validator_set(b.connection)['validators']
# simulate a migration
query.store_block(b.connection,
Block(app_hash='', height=1, transactions=[])._asdict())
b.migrate_abci_chain()
# the same or other mismatching requests are ignored
invalid_requests = [
request,
generate_init_chain_request('unknown', validators),
generate_init_chain_request('chain-XYZ'),
generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
]
for r in invalid_requests:
with pytest.raises(SystemExit):
App(b).init_chain(r)
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': False,
'height': 2,
}
new_validator_set = query.get_validator_set(b.connection)['validators']
assert new_validator_set == validator_set
# a request with the matching chain ID and matching validator set
# completes the migration
request = generate_init_chain_request('chain-XYZ-migrated-at-height-1',
validators)
res = App(b).init_chain(request)
assert res == ResponseInitChain()
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': True,
'height': 2,
}
assert query.get_latest_block(b.connection) == {
'height': 2,
'app_hash': '',
'transactions': [],
}
# requests with old chain ID and other requests are ignored
invalid_requests = [
request,
generate_init_chain_request('chain-XYZ', validators),
generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
]
for r in invalid_requests:
with pytest.raises(SystemExit):
App(b).init_chain(r)
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': True,
'height': 2,
}
new_validator_set = query.get_validator_set(b.connection)['validators']
assert new_validator_set == validator_set
assert query.get_latest_block(b.connection) == {
'height': 2,
'app_hash': '',
'transactions': [],
}
def test_init_chain_recognizes_new_chain_after_migration(b):
validators = [generate_validator()]
request = generate_init_chain_request('chain-XYZ', validators)
res = App(b).init_chain(request)
assert res == ResponseInitChain()
validator_set = query.get_validator_set(b.connection)['validators']
# simulate a migration
query.store_block(b.connection, Block(app_hash='', height=1,
transactions=[])._asdict())
b.migrate_abci_chain()
# the same or other mismatching requests are ignored
invalid_requests = [
request,
generate_init_chain_request('unknown', validators),
generate_init_chain_request('chain-XYZ'),
generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
]
for r in invalid_requests:
with pytest.raises(SystemExit):
App(b).init_chain(r)
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': False,
'height': 2,
}
new_validator_set = query.get_validator_set(b.connection)['validators']
assert new_validator_set == validator_set
# a request with the matching chain ID and matching validator set
# completes the migration
request = generate_init_chain_request('chain-XYZ-migrated-at-height-1',
validators)
res = App(b).init_chain(request)
assert res == ResponseInitChain()
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': True,
'height': 2,
}
assert query.get_latest_block(b.connection) == {
'height': 2,
'app_hash': '',
'transactions': [],
}
# requests with old chain ID and other requests are ignored
invalid_requests = [
request,
generate_init_chain_request('chain-XYZ', validators),
generate_init_chain_request('chain-XYZ-migrated-at-height-1'),
]
for r in invalid_requests:
with pytest.raises(SystemExit):
App(b).init_chain(r)
assert query.get_latest_abci_chain(b.connection) == {
'chain_id': 'chain-XYZ-migrated-at-height-1',
'is_synced': True,
'height': 2,
}
new_validator_set = query.get_validator_set(b.connection)['validators']
assert new_validator_set == validator_set
assert query.get_latest_block(b.connection) == {
'height': 2,
'app_hash': '',
'transactions': [],
}