optimism deploy-config: make 1559 values optional

Description

The 1559 values impact standardness and are consensus critical so make them optional in a backwards compatible way. The default values are defined and this allows chain operators to not need to define the values. We should strive to reduce the configuration overhead for chain operators. Its not obvious what the values do in practice, so we should have the default values set by default.

May 23 '24 11:05 tynes

Walkthrough

The recent updates to the config.go file introduce default values for EIP-1559 fee market parameters and make them optional within the DeployConfig struct. If these parameters are not provided, the system will use the default values. This alteration simplifies configuration by reducing the need to specify these parameters manually.

Changes

File Path	Change Summary
`op-chain-ops/genesis/config.go`	Added constants for default EIP-1559 values (`DefaultEIP1559Elasticity`, `DefaultEIP1559Denominator`, `DefaultEIP1559DenominatorCanyon`). Modified `DeployConfig` struct to make `EIP1559Elasticity`, `EIP1559Denominator`, and `EIP1559DenominatorCanyon` optional using `omitempty`. Updated validation logic to use default values if these fields are not provided.

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