20edf4bcf61e9fa310c3d7f3cac0c80a04df5364 rpc: Return block time in getblockchaininfo (João Barbosa)
Pull request description:
Return tip time in `getblockchaininfo`, for some use cases this can save a call to `getblock`.
ACKs for top commit:
naumenkogs:
ACK 20edf4bcf61e9fa310c3d7f3cac0c80a04df5364
theStack:
re-ACK 20edf4bcf61e9fa310c3d7f3cac0c80a04df5364
0xB10C:
ACK 20edf4bcf61e9fa310c3d7f3cac0c80a04df5364
kristapsk:
ACK 20edf4bcf61e9fa310c3d7f3cac0c80a04df5364
Zero-1729:
re-ACK 20edf4bcf61e9fa310c3d7f3cac0c80a04df5364
Tree-SHA512: 29a920cfff1ef53e0af601c3f93f8f9171f3be47fc84b0fa293cb865b824976e8c1510b17b27d17daf0b8e658dd77d9dc388373395f0919fc4a23cd5019642d5