def test_migrated_chain_fixture(project_dir, write_project_file, request,
MATH):
write_project_file('contracts/Math.sol', MATH['source'])
write_project_file('migrations/__init__.py')
class TestMigration(Migration):
migration_id = '0001_initial'
dependencies = []
operations = [
DeployContract('Math'),
]
compiled_contracts = {
'Math': {
'code': MATH['code'],
'code_runtime': MATH['code_runtime'],
'abi': MATH['abi'],
},
}
with open('migrations/0001_initial.py', 'w') as migration_file:
write_migration(migration_file, TestMigration)
project = request.getfuncargvalue('project')
assert len(project.migrations) == 1
unmigrated_chain = request.getfuncargvalue('unmigrated_chain')
registrar = unmigrated_chain.registrar
assert not registrar.call().exists('contract/Math')
chain = request.getfuncargvalue('chain')
assert registrar.call().exists('contract/Math')
def migration_0003(tester_chain, migration_0002, MATH):
project = tester_chain.project
migrations_dir = project.migrations_dir
class Migration0003(Migration):
migration_id = '0003_deploy_alternate_math'
dependencies = ['0002_deploy_v2_math']
operations = [
DeployContract('Math', contract_registrar_name='FancyMath'),
]
compiled_contracts = {
'Math': MATH,
}
migration_filename = os.path.join(migrations_dir,
'0003_deploy_alternate_math.py')
with open(migration_filename, 'w') as migration_0003_file:
write_migration(migration_0003_file, Migration0003)
assert len(project.migrations) == 3
migrations_to_execute = get_migration_classes_for_execution(
project.migrations,
tester_chain,
)
assert len(migrations_to_execute) == 1
the_migration_instance = migrations_to_execute[0]
the_migration_instance.execute()
return Migration0003
def migration_0001(tester_chain, MATH):
project = tester_chain.project
migrations_dir = project.migrations_dir
class Migration0001(Migration):
migration_id = '0001_deploy_v1_math'
dependencies = []
operations = [
DeployContract('Math'),
]
compiled_contracts = {
'Math': MATH,
}
migration_filename = os.path.join(migrations_dir, '0001_deploy_v1_math.py')
with open(migration_filename, 'w') as migration_0001_file:
write_migration(migration_0001_file, Migration0001)
assert len(project.migrations) == 1
migrations_to_execute = get_migration_classes_for_execution(
project.migrations,
tester_chain,
)
assert len(migrations_to_execute) == 1
the_migration_instance = migrations_to_execute[0]
the_migration_instance.execute()
return Migration0001
def test_migrated_chain_fixture(project_dir, write_project_file, request,
MATH):
write_project_file('contracts/Math.sol', MATH['source'])
write_project_file('migrations/__init__.py')
class TestMigration(Migration):
migration_id = '0001_initial'
dependencies = []
operations = [
DeployContract('Math'),
]
compiled_contracts = {
'Math': {
'code': MATH['code'],
'code_runtime': MATH['code_runtime'],
'abi': MATH['abi'],
},
}
with open('migrations/0001_initial.py', 'w') as migration_file:
write_migration(migration_file, TestMigration)
project = request.getfuncargvalue('project')
assert len(project.migrations) == 1
unmigrated_chain = request.getfuncargvalue('unmigrated_chain')
registrar = unmigrated_chain.registrar
assert not registrar.call().exists('contract/Math')
chain = request.getfuncargvalue('chain')
assert registrar.call().exists('contract/Math')
def migration_0001(testrpc_chain, MATH):
project = testrpc_chain.project
migrations_dir = project.migrations_dir
class Migration0001(Migration):
migration_id = '0001_deploy_v1_math'
dependencies = []
operations = [
DeployContract('Math'),
]
compiled_contracts = {
'Math': MATH,
}
migration_filename = os.path.join(migrations_dir, '0001_deploy_v1_math.py')
with open(migration_filename, 'w') as migration_0001_file:
write_migration(migration_0001_file, Migration0001)
assert len(project.migrations) == 1
migrations_to_execute = get_migration_classes_for_execution(
project.migrations,
testrpc_chain,
)
assert len(migrations_to_execute) == 1
the_migration_instance = migrations_to_execute[0]
the_migration_instance.execute()
return Migration0001
def migration_0003(testrpc_chain, migration_0002, MATH):
project = testrpc_chain.project
migrations_dir = project.migrations_dir
class Migration0003(Migration):
migration_id = '0003_deploy_alternate_math'
dependencies = ['0002_deploy_v2_math']
operations = [
DeployContract('Math', contract_registrar_name='FancyMath'),
]
compiled_contracts = {
'Math': MATH,
}
migration_filename = os.path.join(migrations_dir, '0003_deploy_alternate_math.py')
with open(migration_filename, 'w') as migration_0003_file:
write_migration(migration_0003_file, Migration0003)
assert len(project.migrations) == 3
migrations_to_execute = get_migration_classes_for_execution(
project.migrations,
testrpc_chain,
)
assert len(migrations_to_execute) == 1
the_migration_instance = migrations_to_execute[0]
the_migration_instance.execute()
return Migration0003
def make_migration(ctx, migration_name):
"""
Generate an empty migration.
"""
project = ctx.obj['PROJECT']
next_migration_number = get_next_migration_number(project.project_dir)
if migration_name is None:
if next_migration_number == 1:
migration_name = 'initial'
else:
migration_name = 'auto'
migration_id = "{num:04d}_{migration_name}".format(
num=next_migration_number,
migration_name=migration_name,
)
migration_filename = "{migration_id}.py".format(migration_id=migration_id)
if not is_valid_migration_filename(migration_filename):
ctx.fail(
"Migration filenames may only contain letters, numbers, and "
"underscores: {0!r}".format(migration_filename)
)
migration_file_path = os.path.join(project.migrations_dir, migration_filename)
if os.path.exists(migration_file_path):
ctx.fail((
"Unexpectedly found duplicate migration name: {0}".format(
os.path.abspath(migration_file_path),
)
))
compiled_contracts = project.compiled_contracts
new_migration_dict = {
'migration_id': migration_id,
'operations': [],
'dependencies': [],
'compiled_contracts': compiled_contracts,
}
if project.migrations:
new_migration_dict['dependencies'].append(
project.migrations[-1].migration_id,
)
new_migration = type('Migration', (Migration,), new_migration_dict)
with open(migration_file_path, 'w') as file_obj:
write_migration(file_obj, new_migration)
click.echo(
"Wrote new migration to: {0}".format(os.path.relpath(
migration_file_path, project.project_dir,
))
)
def make_migration(ctx, migration_name):
"""
Generate an empty migration.
"""
project = ctx.obj['PROJECT']
next_migration_number = get_next_migration_number(project.project_dir)
if migration_name is None:
if next_migration_number == 1:
migration_name = 'initial'
else:
migration_name = 'auto'
migration_id = "{num:04d}_{migration_name}".format(
num=next_migration_number,
migration_name=migration_name,
)
migration_filename = "{migration_id}.py".format(migration_id=migration_id)
if not is_valid_migration_filename(migration_filename):
ctx.fail("Migration filenames may only contain letters, numbers, and "
"underscores: {0!r}".format(migration_filename))
migration_file_path = os.path.join(project.migrations_dir,
migration_filename)
if os.path.exists(migration_file_path):
ctx.fail(("Unexpectedly found duplicate migration name: {0}".format(
os.path.abspath(migration_file_path), )))
compiled_contracts = project.compiled_contracts
new_migration_dict = {
'migration_id': migration_id,
'operations': [],
'dependencies': [],
'compiled_contracts': compiled_contracts,
}
if project.migrations:
new_migration_dict['dependencies'].append(
project.migrations[-1].migration_id, )
new_migration = type('Migration', (Migration, ), new_migration_dict)
with open(migration_file_path, 'w') as file_obj:
write_migration(file_obj, new_migration)
click.echo("Wrote new migration to: {0}".format(
os.path.relpath(
migration_file_path,
project.project_dir,
)))
def test_serialize_empty_migration():
class TestMigration(Migration):
migration_id = "0001_initial"
dependencies = []
operations = []
compiled_contracts = {
"ContractA": {"abi": [], "code": "0x1234", "code_runtime": "0x1234"},
"ContractB": {"abi": [], "code": "0x5678", "code_runtime": "0x5678"},
}
f = StringIO()
write_migration(f, TestMigration)
assert f.getvalue() == EXPECTED_EMPTY_MIGRATION_CONTENT
def test_serialize_empty_migration():
class TestMigration(Migration):
migration_id = '0001_initial'
dependencies = []
operations = []
compiled_contracts = {
'ContractA': {
'abi': [],
'code': '0x1234',
'code_runtime': '0x1234',
},
'ContractB': {
'abi': [],
'code': '0x5678',
'code_runtime': '0x5678',
},
}
f = StringIO()
write_migration(f, TestMigration)
assert f.getvalue() == EXPECTED_EMPTY_MIGRATION_CONTENT
def test_load_project_migrations(project_dir, MATH):
migrations_dir = get_migrations_dir(project_dir)
migration_0001_file_path = os.path.join(migrations_dir, '0001_initial.py')
migration_0002_file_path = os.path.join(migrations_dir,
'0002_the_second_migration.py')
migration_0003_file_path = os.path.join(migrations_dir,
'0003_the_third_migration.py')
class MigrationA(Migration):
migration_id = '0001_initial'
dependencies = []
operations = []
compiled_contracts = {
'Math': MATH,
}
class MigrationB(Migration):
migration_id = '0002_the_second_migration'
dependencies = ['0001_initial']
operations = []
compiled_contracts = {
'Math': MATH,
}
class MigrationC(Migration):
migration_id = '0003_the_third_migration'
dependencies = ['0002_the_second_migration']
operations = []
compiled_contracts = {
'Math': MATH,
}
with open(migration_0001_file_path, 'w') as migration_0001_file:
write_migration(migration_0001_file, MigrationA)
with open(migration_0002_file_path, 'w') as migration_0002_file:
write_migration(migration_0002_file, MigrationB)
with open(migration_0003_file_path, 'w') as migration_0003_file:
write_migration(migration_0003_file, MigrationC)
migration_classes = load_project_migrations(project_dir)
assert len(migration_classes) == 3
actual_ids = {m.migration_id for m in migration_classes}
expected_ids = {
'0001_initial', '0002_the_second_migration', '0003_the_third_migration'
}
assert actual_ids == expected_ids
def test_load_project_migrations(project_dir, MATH):
migrations_dir = get_migrations_dir(project_dir)
migration_0001_file_path = os.path.join(migrations_dir, '0001_initial.py')
migration_0002_file_path = os.path.join(migrations_dir, '0002_the_second_migration.py')
migration_0003_file_path = os.path.join(migrations_dir, '0003_the_third_migration.py')
class MigrationA(Migration):
migration_id = '0001_initial'
dependencies = []
operations = []
compiled_contracts = {
'Math': MATH,
}
class MigrationB(Migration):
migration_id = '0002_the_second_migration'
dependencies = ['0001_initial']
operations = []
compiled_contracts = {
'Math': MATH,
}
class MigrationC(Migration):
migration_id = '0003_the_third_migration'
dependencies = ['0002_the_second_migration']
operations = []
compiled_contracts = {
'Math': MATH,
}
with open(migration_0001_file_path, 'w') as migration_0001_file:
write_migration(migration_0001_file, MigrationA)
with open(migration_0002_file_path, 'w') as migration_0002_file:
write_migration(migration_0002_file, MigrationB)
with open(migration_0003_file_path, 'w') as migration_0003_file:
write_migration(migration_0003_file, MigrationC)
migration_classes = load_project_migrations(project_dir)
assert len(migration_classes) == 3
actual_ids = {m.migration_id for m in migration_classes}
expected_ids = {'0001_initial', '0002_the_second_migration', '0003_the_third_migration'}
assert actual_ids == expected_ids
def test_migrate_cmd(project_dir, write_project_file, MATH):
class MigrationA(migrations.Migration):
migration_id = '0001_deploy_math'
dependencies = []
operations = [
migrations.DeployContract('Math'),
]
compiled_contracts = {
'Math': MATH,
}
class MigrationB(migrations.Migration):
migration_id = '0002_increment'
dependencies = ['0001_deploy_math']
operations = [
migrations.TransactContract(
contract_name='Math',
method_name='increment',
arguments=[3],
contract_address=migrations.Address.defer(key='contract/Math'),
timeout=30,
),
]
compiled_contracts = {
'Math': MATH,
}
write_project_file('contracts/Math.sol', MATH['source'])
write_project_file('migrations/__init__.py')
migration_0001_path = os.path.join(
project_dir, 'migrations', '0001_deploy_math.py',
)
with open(migration_0001_path, 'w') as migration_0001:
write_migration(migration_0001, MigrationA)
migration_0002_path = os.path.join(
project_dir, 'migrations', '0002_increment.py',
)
with open(migration_0002_path, 'w') as migration_0002:
write_migration(migration_0002, MigrationB)
write_project_file('populus.ini', '[chain:local_a]')
project = Project()
# sanity
assert len(project.migrations) == 2
with project.get_chain('local_a') as chain:
chain.wait.for_unlock(chain.web3.eth.coinbase, timeout=30)
project.config.set('chain:local_a', 'deploy_from', chain.web3.eth.coinbase)
RegistrarFactory = get_registrar(web3=chain.web3)
deploy_transaction_hash = RegistrarFactory.deploy()
registrar_address = chain.wait.for_contract_address(deploy_transaction_hash, timeout=60)
project.config.set('chain:local_a', 'registrar', registrar_address)
project.write_config()
runner = CliRunner()
result = runner.invoke(main, ['migrate', 'local_a'])
assert result.exit_code == 0, result.output + str(result.exception)
with project.get_chain('local_a') as chain:
registrar = chain.registrar
math_address = registrar.call().getAddress('contract/Math')
Math = chain.contract_factories.Math(address=math_address)
assert Math.call().counter() == 3
def test_migrate_cmd(project_dir, write_project_file, MATH):
class MigrationA(migrations.Migration):
migration_id = '0001_deploy_math'
dependencies = []
operations = [
migrations.DeployContract('Math'),
]
compiled_contracts = {
'Math': MATH,
}
class MigrationB(migrations.Migration):
migration_id = '0002_increment'
dependencies = ['0001_deploy_math']
operations = [
migrations.TransactContract(
contract_name='Math',
method_name='increment',
arguments=[3],
contract_address=migrations.Address.defer(key='contract/Math'),
timeout=30,
),
]
compiled_contracts = {
'Math': MATH,
}
write_project_file('contracts/Math.sol', MATH['source'])
write_project_file('migrations/__init__.py')
migration_0001_path = os.path.join(
project_dir,
'migrations',
'0001_deploy_math.py',
)
with open(migration_0001_path, 'w') as migration_0001:
write_migration(migration_0001, MigrationA)
migration_0002_path = os.path.join(
project_dir,
'migrations',
'0002_increment.py',
)
with open(migration_0002_path, 'w') as migration_0002:
write_migration(migration_0002, MigrationB)
write_project_file('populus.ini', '[chain:local_a]')
project = Project()
# sanity
assert len(project.migrations) == 2
with project.get_chain('local_a') as chain:
chain.wait.for_unlock(chain.web3.eth.coinbase, timeout=30)
project.config.set('chain:local_a', 'deploy_from',
chain.web3.eth.coinbase)
RegistrarFactory = get_registrar(web3=chain.web3)
deploy_transaction_hash = RegistrarFactory.deploy()
registrar_address = chain.wait.for_contract_address(
deploy_transaction_hash, timeout=60)
project.config.set('chain:local_a', 'registrar', registrar_address)
project.write_config()
runner = CliRunner()
result = runner.invoke(main, ['migrate', 'local_a'])
assert result.exit_code == 0, result.output + str(result.exception)
with project.get_chain('local_a') as chain:
registrar = chain.registrar
math_address = registrar.call().getAddress('contract/Math')
Math = chain.contract_factories.Math(address=math_address)
assert Math.call().counter() == 3