v3.6.0 - Lowballing

This release adds the capability to connect to multiple Elements nodes with different transaction relay policies and selectively decide which one to use.

Bug Fixes

• Docker build script backend version - (c3f6aaa)
• flaky fee calculating integration test - (c375740)
• remove lockup transaction table foreign contraint - (d149cc6)
• use lowball config for second Elements client - (ee3d5be)
• allow lowball for refunds (#533) - (f0aab1c)
• bump Liquid claim transaction size estimation (#534) - (9df7beb)

Features

• make CORS headers configurable (#529) - (efc463f)
• use lowball for emitting unconfirmed transactions - (9621376)
• 0-conf circuit breaker - (0c33029)
• send alert notification when 0-conf is disabled - (b135ce6)
• use lowball fees in ElementsWrapper (#531) - (add9ea5)

Miscellaneous Chores

• address minor review feedback - (874abc9)
• bump Bitcoin Core to v27.0 (#526) - (246cf7d)

Refactoring

• simplify IChainClient generic - (493c04b)
• only broadcast with public Elements client - (1459b1e)
• move allSettled into PromiseUtils - (4937beb)
• use tableName for all SQL tables - (50b1aa4)