testnet upgrade scripts

add_genesis_accounts.py

import json
import sys

if len(sys.argv) < 3:
    print(
        """add_genesis_accounts.py accounts.json path/to/genesis.json

        new genesis file is print to stdout
        """,
        file=sys.stderr,
    )
    sys.exit(1)

accounts = json.load(open(sys.argv[1]))
genesis = json.load(open(sys.argv[2]))

state = genesis["app_state"]
for i, account in enumerate(accounts):
    state["auth"]["accounts"].append(
        {
            "@type": "/cosmos.auth.v1beta1.BaseAccount",
            "address": account,
            "pub_key": None,
            "account_number": "0",
            "sequence": "0",
        }
    )
    state["bank"]["balances"].append(
        {
            "address": account,
            "coins": [{"denom": "basetcro", "amount": "50000000000000"}],
        }
    )

print(json.dumps(genesis, indent=4))

export_accounts.py

import json
import sys

genesis = json.load(open(sys.argv[1]))
addresses = set(
    acct["address"]
    for acct in genesis["app_state"]["auth"]["accounts"]
    if acct["@type"] == "/cosmos.auth.v1beta1.BaseAccount"
)
json.dump(list(sorted(addresses)), sys.stdout)

test.sh

set -e

# export accounts from current testnet
./testnet/bin/chain-maind export --for-zero-height --home /tmp/testnet_data > exported.json
python export_accounts.py exported.json > accounts.json

# init new testnet
pystarport --cmd ./testnet/bin/chain-maind init

# import genesis accounts into genesis
python add_genesis_accounts.py accounts.json data/chainmaind/genesis.json > /tmp/genesis.json

# update genesis file and start
cp /tmp/genesis.json data/chainmaind/genesis.json
cp /tmp/genesis.json data/chainmaind/node0/config/genesis.json
cp /tmp/genesis.json data/chainmaind/node1/config/genesis.json
pystarport start

./testnet/bin/chain-maind q bank balances tcro1zy7jl6hmrmlweg2qlzwwuz85jz68fhvmaavpwp
# balances:
# - amount: "50000000000000"
#   denom: basetcro
# pagination:
#   next_key: null
#   total: "0"