[RPC] Address history index

[aguycalled]

This PR adds a new RPC method getaddresshistory. Related to #722

getaddresshistory

Returns the history for an address(es) (requires addressindex to be enabled).

Arguments:

{
  "addresses"
    [
      "address"  (string) The base58check encoded address
      ,...
    ]
  "start" (number, optional) The start block height
  "end" (number, optional) The end block height
}

Result:

[
  {
    "block": (integer) the block height when this entry was seen
    "txindex": (integer) the index of the transaction inside of the block
    "time": (integer) timestamp when this entry happened
    "txid": (string) hash of the transaction
    "address": (string) the address affected
    "changes": {
      "balance": (signed integer) the change in spendable balance
      "stakable": (signed integer) the change in stakable balance
      "voting_weight": (signed integer) the change in voting weight
      "flags": (integer) 1 if is a coinstake or coinbase transaction, 0 otherwise
    },
    "result": {
      "balance": (integer) the spendable balance after the change
      "stakable": (integer) the stakable balance after the change
      "voting_weight": (integer) the voting weight after the change
    }
  }
]

Examples:

> navcoin-cli getaddresshistory '{"addresses": ["NNX4j3QtATFGMTFiAxdVDGR5mwL4v8Q57o"]}'
> navcoin-cli getaddresshistory '{"addresses": ["Y65KbGXT3SHSMjHBAYsB3fgpsqJ9Jp1PwstgNYG8X1AgbmevmkA5mCkG6E79K"]}'
> navcoin-cli getaddresshistory '{"addresses": ["4Eea43rawnG5uF4DVS3ZwPhAcNpxhHCD8R2AjyZi5MZjCFW7fCSY59FfsEe5YfKTvBjRudiAjEtmnMr9LHgbjosRN"]}'

When cold staking or cold staking v2 addresses are queried, it will print results from the individual addresses part of the cold staking address in their role.

[mxaddict]

Looks good, will test in a few hours

[navbuilder]

A new build of 038e060 has completed succesfully!
Binaries available at https://build.nav.community/binaries/address-history

[navbuilder]

A new build of c16b6f5 has completed succesfully!
Binaries available at https://build.nav.community/binaries/address-history

[navbuilder]

A new build of 65fe893 has completed succesfully!
Binaries available at https://build.nav.community/binaries/address-history

[aguycalled]

added count of balance of staking-active addresses to getstakinginfo to substitute the functionality from navexplorer

[navbuilder]

A new build of 79b8722 has completed succesfully!
Binaries available at https://build.nav.community/binaries/address-history

[mxaddict]

Tested gitian built: https://build.nav.community/binaries/address-history/navcoin-5.0.1-x86_64-linux-gnu.tar.gz

Works fine on ubuntu 18.04

[sakdeniz]

I have tried this feature on NavCoin 5.0.1 build and it works as expected.

[navbuilder]

A new build of 36f7c08 has completed succesfully!
Binaries available at https://build.nav.community/binaries/address-history