cosmos-sdk/contrib/migrate/v0.33.x-to-v0.34.0.py

80 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python3
import lib
def process_raw_genesis(genesis, parsed_args):
# update genesis with breaking changes
if 'block_size' in genesis['consensus_params']:
genesis['consensus_params']['block'] = genesis['consensus_params']['block_size']
del genesis['consensus_params']['block_size']
genesis['app_state']['crisis'] = {
'constant_fee': {
'amount': '1333000000', # ~$5,000 worth of uatoms
'denom': 'uatom',
},
}
# migrate governance state as the internal structure of proposals has changed
migrate_gov_data(genesis['app_state']['gov'])
# default Tendermint block time (ms)
genesis['consensus_params']['block']['time_iota_ms'] = '1000'
# proposal #1 updates
genesis['app_state']['mint']['params']['blocks_per_year'] = '4855015'
# proposal #2 updates
genesis['consensus_params']['block']['max_gas'] = '2000000'
genesis['consensus_params']['block']['max_bytes'] = '200000'
# enable transfers
genesis['app_state']['bank']['send_enabled'] = True
genesis['app_state']['distr']['withdraw_addr_enabled'] = True
# Set new chain ID and genesis start time
genesis['chain_id'] = parsed_args.chain_id.strip()
genesis['genesis_time'] = parsed_args.start_time
return genesis
def migrate_gov_data(gov_data):
for p in gov_data['proposals']:
# get Amino type and value
t = p['type']
v = p['value']
del p['type']
del p['value']
assert t == 'gov/TextProposal', 'invalid proposal type: {t}'
assert p == {}, 'expected proposal to be empty after deleting contents'
p['proposal_content'] = {
'type': t,
'value': {
'title': v['title'],
'description': v['description']
}
}
p['proposal_id'] = v['proposal_id']
p['proposal_status'] = v['proposal_status']
p['final_tally_result'] = v['final_tally_result']
p['submit_time'] = v['submit_time']
p['deposit_end_time'] = v['deposit_end_time']
p['total_deposit'] = v['total_deposit']
p['voting_start_time'] = v['voting_start_time']
p['voting_end_time'] = v['voting_end_time']
if __name__ == '__main__':
parser = lib.init_default_argument_parser(
prog_desc='Convert genesis.json from v0.33.x to v0.34.0',
default_chain_id='cosmoshub-n',
default_start_time='2019-02-11T12:00:00Z',
)
lib.main(parser, process_raw_genesis)