Notify frontends when wallet is locked or unlocked.
Notify frontends when wallet is locked or unlocked.

btcsuite/btcwallet,decred/dcrwallet,jrick/dcrwallet,decred/dcrwallet,synrg-labs/btcwallet,synrg-labs/btcwallet,btcsuite/btcwallet,Stash-Crypto/btcwallet,Stash-Crypto/btcwallet,jrick/dcrwallet,Roasbeef/btcwallet,Roasbeef/btcwallet,jrick/btcwallet,jrick/btcwallet