3.4 header

blockheader

Blockheader is Block info type object. This type contain next fields (81 byte):

 { 
 version: 'uint32',
 prev_block: 'hash',
 merkle_root: 'hash',
 timestamp: 'uint32',
 bits: 'uint32',
 nonce: 'uint32',
 txn_count: 'var_int',//for header is every time 0
 hash: 'hash'//read only 
 }

if you need 80 bytes only use type: header80 (for stack and stream)

obj bitPony.header.read(Buffer)

read from Buffer (or hex string) into object with fields above.

Buffer bitPony.header.write(int version, string prev_block, string merkle_root, int timestamp, int bits, int nonce)

write into Buffer object. Throw error if:

• version prev_block merkle_root timestamp bits or nonce is empty
• version,timestamp,bits,nonce is not numeric
• prev_block is invalid hash (not 32 byte str)
• merkle_root is invalid hash (not 32 byte str)

stack

read from stack header value

var script = {
    'keyname': ['header'] //or header80 if need only 80 bytes
}

var stack = new bitPony.stackReader(buffer, script)

write into stack header value

var script = [
    ['header', version, prev_block, merkle_root, timestamp, bits, nonce, txn_count],//or header80 if need only 80 bytes or txn_count = null
];
var stack = new bitPony.stackWriter(buffer, script);

reader stream

read from stream tx

var stream = new bitPony.reader(b);
var res = stream.header(offset);
//res.result

write to stream header value

var stream = new bitPony.writer(b);
stream.header(version, prev_block, merkle_root, timestamp, bits, nonce, txn_count, true);
//or
var res = stream.tx_in(version, prev_block, merkle_root, timestamp, bits, nonce, txn_count);
//res.result

vector

can be vector as vector.header only for read