fix cold staking report (#425)
fix cold staking report (#425)

* fix cold staking report

* use cached credit from coin

* check separated flags

navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core