@Override
  public Address getProposerOfBlock(final BlockHeader header) {
    return this.blockInterface.getProposerOfBlock(header);
  }
Instantiates a new Poa query service.

@param blockInterface the block interface
@param blockchain the blockchain
@param nodeKey the node key
consensus/common/src/main/java/org/hyperledger/besu/consensus/common/PoaQueryServiceImpl.java