Mismatch Block Hash in RPC Response

System info:

In RPC eth.getBlock Response, the Block Hash is generated by header.Hash() which mismatch the header.LastBlockID.Hash.

For example, Block[N+1] Parent Hash != Block[N] Block Hash due to the Block[N].header.Hash() != Block[N+1]. header.LastBlockID.Hash.

Steps to reproduce:

Simply start the chain and observe the parentHash field of any Block Height > 1 and the previous Block in RPC eth.getBlock Response.

Some of the Block Hash may not equal the next Block's Parent Hash.

Expected behavior: Block[N] Hash = Block[N+1] Parent Hash

Actual behavior: Block[N] Hash != Block[N+1] Parent Hash

Additional info:

We may use back the BlockID information from the Tendermint ResultBlock Response to reproduce a correct Block Hash.

A simple modification can reference to Fix Web3 Block Hash

[fedekunze]

closed via #755