Fix indexing events multiple times

[stwiname]

Description

Fix events being potentially indexed multiple times because of message indexes being within a transaction not a block
Fix testing not working because of missing dependencies

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Checklist

• I have tested locally
• I have performed a self review of my changes
• Updated any relevant documentation
• Linked to any relevant issues
• I have added tests relevant to my changes
• Any dependent changes have been merged and published in downstream modules
• My code is up to date with the base branch
• I have updated relevant changelogs. We suggest using chan

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🔴	Statements	34.17%	1665/4873
🟡	Branches	62.68%	89/142
🔴	Functions	17.39%	32/184
🔴	Lines	34.17%	1665/4873

Test suite run success

36 tests passing in 5 suites.

Report generated by 🧪jest coverage report action from e49026b