Switch to private testnet with clean up and upgrade

[napoly]

https://github.com/moneroexamples/private-testnet

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.25% (target: -1.00%)	✅ 0.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (36867f8)	3536	1233	34.87%
Head commit (833e053)	3536 (+0)	1224 (-9)	34.62% (-0.25%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#80)	3	0	0.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[everoddandeven]

Just a reminder: with the testnet configuration only transactions of the v1 protocol will be tested, while with the regtest they start immediately from v16 (current), which may cause potential problems in consolidating tx logic and data model that will use the v16 in production environments.

[napoly]

Testnet works for now since we don’t need CLSAG, bulletproofs, stealth addresses... Reverting to regtest or creating a hybrid later should be straightforward.