Project has upgradebility pattern for unstructured storage. TODO has an item already to improve upgradebility.
$ npx truffle console
truffle(development)> var accounts = await web3.eth.getAccounts()
truffle(development)> const owner = accounts[0]
truffle(development)> const admin = accounts[1]
truffle(development)> const proxy = await OwnedUpgradeabilityProxy.new({ from: owner })
truffle(development)> let omarket = await OMarket.new({ from: owner })
truffle(development)> await proxy.upgradeTo(omarket.address, { from: owner })
{ tx:
'0xfdedaef9151d81143271db22f3c156c0d84afe35c3c6913dca2ad808d685285a',
receipt:
{ transactionHash:
'0xfdedaef9151d81143271db22f3c156c0d84afe35c3c6913dca2ad808d685285a',
transactionIndex: 0,
blockHash:
'0x74bb34f5e4bd2add75d7fc799c8583284dc7d722cc70c4b0ce91b1efb152ba5e',
blockNumber: 179,
from: '0xd265d6b3a95ad0165ada56cae96a823ad1550021',
to: '0x4227d4dab40eaf3b477a9a165da82bc15c651db2',
gasUsed: 44959,
cumulativeGasUsed: 44959,
contractAddress: null,
logs: [ [Object] ],
status: true,
logsBloom:
'0x00000000000000000800000000040000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
v: '0x1b',
r:
'0x0e98ad48c61d9b802fd461696603c01212897a04a4c07cfb4d45a24af171ebc6',
s:
'0x76698d98051fe97b6f86e94b9aa8a4ae0e3638e3b7cfe88cff046378270d0d2d',
rawLogs: [ [Object] ] },
logs:
[ { logIndex: 0,
transactionIndex: 0,
transactionHash:
'0xfdedaef9151d81143271db22f3c156c0d84afe35c3c6913dca2ad808d685285a',
blockHash:
'0x74bb34f5e4bd2add75d7fc799c8583284dc7d722cc70c4b0ce91b1efb152ba5e',
blockNumber: 179,
address: '0x4227d4DAB40eaf3b477A9a165da82Bc15C651Db2',
type: 'mined',
id: 'log_09e8f34b',
event: 'Upgraded',
args: [Result] } ] }
truffle(development)> omarket = await OMarket.at(proxy.address)Now we have a proxy that translates our requests to the real contract. When we need to update the contract we can simply deploy OMarket and use proxy.upgradeTo() function.