Heavy Integration Tests

[adamkrellenstein]

Mainnet

• Basic Startup (cf. 1ca58b2)
• Health Check (cf. Failed Health Check #1865)
• Bootstrap
• Catch-Up from Bootstrap
• Catchup across Checkpoints (300k -> 400k; 400k -> 500k; etc.)

Testnet

• Full Catchup
• Bootstrap

Regtest

• Test Mempool
• Blockchain Reorganizations (cf. Consensus Errors on Testnet #1703)
• Test Non-Idempotent API Endpoints (cf. Test Non-Idempotent API Endpoints using regtest #1654)
• Test Rollback
• Test Reparse

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We need testing that would have caught these temporary regressions:

• Stuck Node #1888
• ConstraintError: UNIQUE constraint failed: blocks.previous_block_hash #1898
• Failed to initialize fetcher error #1891
• Node Falling Behind; Something Weird is Happening #1875
• Node Stuck after Catch-up #1870

[ouziel-slama]

done here #3000

For mainnet and testnet4 we:

• bootstrap
• reparse 1000 blocks
• rollback 3 checkpoins
• catch-up

Testnet4 is done on every push and Mainnet tetst on push in develop branch.