hardhat-deploy-config: add getter

[tynes]

Description

Add a getter to the hre.deployConfig object
that gives access to alternative network's deploy
configs. This is useful because multiple networks
can be linked and share config. In particular when L2 networks are used with L1 networks, the entire
deploy config has be be shared with both networks
so it results in a copy paste.

[changeset-bot]

🦋 Changeset detected

Latest commit: a82d337

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@eth-optimism/hardhat-deploy-config	Patch

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[tynes]

This PR would let us get rid of the copy/paste of the entire deploy config in #5314

[maurelian]

Curious how you went about testing this? I tried with npx hardhat deploy but got

Error: ERROR processing /Users/maurelian/Projects/O/mono/packages/contracts-bedrock/deploy/000-ProxyAdmin.ts:
Error: error while loading deploy config for network: hardhat, TSError: ⨯ Unable to compile TypeScript:
deploy-config/hardhat.ts:4:33 - error TS1360: Type '{ finalSystemOwner: string; portalGuardian: string; controller: string; l1StartingBlockTag: string; l1ChainID: number; l2ChainID: number; l2BlockTime: number; maxSequencerDrift: number; sequencerWindowSize: number; ... 13 more ...; numDeployConfirmations: number; }' does not satisfy the expected type 'DeployConfig'.
  Type '{ finalSystemOwner: string; portalGuardian: string; controller: string; l1StartingBlockTag: string; l1ChainID: number; l2ChainID: number; l2BlockTime: number; maxSequencerDrift: number; sequencerWindowSize: number; ... 13 more ...; numDeployConfirmations: number; }' is missing the following properties from type 'RequiredDeployConfig': governanceTokenSymbol, governanceTokenName, governanceTokenOwner

4 export default config satisfies DeployConfig
                                  ~~~~~~~~~~~~

[tynes]

Curious how you went about testing this? I tried with npx hardhat deploy but got

Error: ERROR processing /Users/maurelian/Projects/O/mono/packages/contracts-bedrock/deploy/000-ProxyAdmin.ts:
Error: error while loading deploy config for network: hardhat, TSError: ⨯ Unable to compile TypeScript:
deploy-config/hardhat.ts:4:33 - error TS1360: Type '{ finalSystemOwner: string; portalGuardian: string; controller: string; l1StartingBlockTag: string; l1ChainID: number; l2ChainID: number; l2BlockTime: number; maxSequencerDrift: number; sequencerWindowSize: number; ... 13 more ...; numDeployConfirmations: number; }' does not satisfy the expected type 'DeployConfig'.
  Type '{ finalSystemOwner: string; portalGuardian: string; controller: string; l1StartingBlockTag: string; l1ChainID: number; l2ChainID: number; l2BlockTime: number; maxSequencerDrift: number; sequencerWindowSize: number; ... 13 more ...; numDeployConfirmations: number; }' is missing the following properties from type 'RequiredDeployConfig': governanceTokenSymbol, governanceTokenName, governanceTokenOwner

4 export default config satisfies DeployConfig
                                  ~~~~~~~~~~~~

Did you build the package? I didn't have any issues running it after building