op-node/batcher/proposer: Standardize goimports

[trianglesphere]

Description

This standardizes go imports across the three go codebases. This removes
empty lines between import sections & relies on goimports to sort the rest.
Imports from the ethereum-optimism and go-ethereum repositories are
treated as local imports.

Additional Information

I used the following script to implement this change:

#!/bin/bash                                                                      
                                                                                 
# remove all blank lines in go 'imports' statements,                             
# then sort with goimports                                                       
# Usage over a codebase: find . -name "*.go" -exec ./goimports2.sh {} \;
                                                                                 
if [ $# != 1 ] ; then                                                            
  echo "usage: $0 <filename>"                                                    
  exit 1                                                                         
fi                                                                               

# Remove empty lines inside the import statement                                                                                 
sed -i '' '/^import/,/^)/ {/^$/d;}' $1                                                                             

#goimports -w $1
#goimports -local "github.com/ethereum-optimism/optimism" -w $1
goimports -local "github.com/ethereum/go-ethereum","github.com/ethereum-optimism/optimism" -w $1

[changeset-bot]

⚠️ No Changeset found

Latest commit: cd28ab8

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[mergify]

This PR changes implementation code, but doesn't include a changeset. Did you forget to add one?

[protolambda]

LGTM, can you put the script in CI? Like the other diff checks, we can run it, and then check if there's a diff to confirm the contents are formatted correctly.

[trianglesphere]

can you put the script in CI? Like the other diff checks, we can run it, and then check if there's a diff to confirm the contents are formatted correctly.

Not reliably.

There's two parts of this: killing the newlines between the different import sections & doing goimports. We already have goimports, but this mainly does does the killing newlines. Unfortunately the sed script is not reliable enough when there is a single import line to run.

[mergify]

Hey @trianglesphere! This PR has merge conflicts. Please fix them before continuing review.

[mergify]

Hey @trianglesphere! This PR has merge conflicts. Please fix them before continuing review.

[mergify]

This PR has been added to the merge queue, and will be merged soon.

[mergify]

This PR is next in line to be merged, and will be merged as soon as checks pass.