function (next) {
    genesisBlock.header = new BlockHeader(
                            testData.genesisBlockHeader
                          )
    blockchain.putGenesis(genesisBlock, next)
  }
function (next) {
    genesisBlock.header = new BlockHeader(
                            testData.genesisBlockHeader
                          )
    blockchain.putGenesis(genesisBlock, next)
  }
function ( next ) { genesisBlock . header = new BlockHeader ( testData . genesisBlockHeader ) blockchain . putGenesis ( genesisBlock , next ) }
create and add genesis block
create and add genesis block