Merge branch '822-issue' into 'develop'

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

See merge request !1531
3 jobs for !1091 with develop in 30 minutes and 53 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Test
passed #1071010803
thorchain
lint_code

00:03:10

passed #1071010800
thorchain
unit_tests

00:04:25

 
  Smoke Test
passed #1071010806
thorchain
smoke-test:thornode

00:26:27