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Example process for upgrading a contract

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bumi 2018-03-12 19:49:57 +01:00 committed by GitHub
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@ -56,3 +56,23 @@ That means the Proxy contract holds the storage and the address of that one does
To deploy a new version a new contract is deployed then the version is registered (`addVersion()`) in the Registry and on the Proxy contract is "upgraded" (`upgradeTo()`) to the new version.
### Example:
Deployment is best done using the [truffle deployer]()
1. Setup
1. deploy the Registry
2. deploy the contract
3. register the contract at the Registry:
`registry.addVersion('Token_1.0', Token.address)`
4. create the Proxy:
`registry.createProxy('Token_1.0')`
2. Update
1. deploy a new Version of the contract
2. register the new version at the Registry:
`registry.addVersion('Token_2.0', NewToken.address)`
3. set the new implementation address on the Proxy contract:
`proxy.upgradeTo('Token_2.0')`