Explorer for staking network is not displaying the transaction history

[sophoah]

Describe the bug
Accessing an account on the explorer doesn't show the transaction history https://explorer.os.hmny.io/#/address/one1mcverl6yrcsy0xdrmf3mltm28kk6kux3nwtvxd

To Reproduce
Steps to reproduce the behavior:

1. make transaction in and out from an account
2. access that account on the explorer : https://explorer.os.hmny.io/#/address/one1mcverl6yrcsy0xdrmf3mltm28kk6kux3nwtvxd

Expected behavior
see the list of transaction like in the current dev testnet https://explorer.testnet.harmony.one/#/address/one1zksj3evekayy90xt4psrz8h6j2v3hla4qwz4ur

Screenshots
N/A

Environment (please complete the following information):

• OS: win10

Additional context
N/A

[rlan35]

@mikedoan can you work with Vlad to make sure staking transactions are displayed in explorer.

[denniswon]

@flicker-harmony what is the RPC endpoint to use for fetching staking txns? (we already have this right?) so just need to additionally fetch not just regular txns, but also staking txns to be displayed on the explorer side

[denniswon]

done