Merge branch '822-issue' into 'develop'

update block cache size for BTC/BCH/ETH/LTC/DOGE

See merge request !1531
4 jobs for develop in 30 minutes and 13 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #1071010755
thorchain
lint_code

00:03:16

passed #1071010754
thorchain
unit_tests

00:04:14

 
  Smoke Test
passed #1071157719
thorchain
smoke-test:thornode

00:25:59

failed #1071010756
thorchain
smoke-test:thornode

00:17:21