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Sending Data

This article explains to how to send data to a peer.

⚠️ READ BEFORE FOLLOWING TUTORIAL

  • Transaction can be created at gemcoin/core/makeTransaction.py. DO NOT PACK TRANSACTION INTO Hello(0x..). This will be handled by the client! If you do this, your data will be nullified by the peers and you may be blocked.
  • Blocks can be mined at memory/mining.py. They are saved as saved_block_{blocknum}. Copy the file contents and use for your block proposal.
  • Subprotocol transactions must be coordinated through external governance criteria. These protocols aren't created by Gemcoin and we are not liable for any damage done to your node.

Transactions

Using peers/sendingData.py, you will be prompted to enter whether you want to send a transaction, a block, or a subprotocol transaction. If you enter 1, you are going to be asked to paste a raw transaction before the serialization/protocol encapsulation.

Your transaction should look something like this (make sure it is packed and signed):

This is the signed tx (NOT THE ONE YOU INPUT):  {'rawtx': 'b75285dbcba706786c65471faee6713b041eed3cc6d5e48cc0bd648a12f4dd11', 'tx': {'version': '00000014', 'nonce': '0x00', 'workFee': '0000000000000000000000000000000000000000000000000000000000000000', 'timestamp': '0000000000000000000000000000000000000000000000000000000059945280', 'fromAddr': '0x73f5370f2ba7727a95d06f76c738a71ba596235973354bb920f7e14f87326414e4fd05042dfeb70c38f4da4817eb67bb51b16ac37fccd59124ce7aec6db0d1d7', 'toAddr': '0x00000000000000000000000000000', 'value': '0', 'data': '0x00', 'r': '79994795984947641428023677603590509236905213869933334988817171498908136943595', 's': '13801621573404540558912451444514024005886442374940246046295877287662339204493'}}

This is the raw transaction (ENTER THIS INTO THE PEERSEND PROMPT):
c6c272c5d8917b227261777478223a202262373532383564626362613730363738366336353437316661656536373133623034316565643363633664356534386363306264363438613132663464643131222c20227478223a207b2276657273696f6e223a20223030303030303134222c20226e6f6e6365223a202230783030222c2022776f726b466565223a202230303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030222c202274696d657374616d70223a202230303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303030303539393435323830222c202266726f6d41646472223a202230783733663533373066326261373732376139356430366637366337333861373162613539363233353937333335346262393230663765313466383733323634313465346664303530343264666562373063333866346461343831376562363762623531623136616333376663636435393132346365376165633664623064316437222c2022746f41646472223a202230783030303030303030303030303030303030303030303030303030303030222c202276616c7565223a202230222c202264617461223a202230783030222c202272223a20223739393934373935393834393437363431343238303233363737363033353930353039323336393035323133383639393333333334393838383137313731343938393038313336393433353935222c202273223a20223133383031363231353733343034353430353538393132343531343434353134303234303035383836343432333734393430323436303436323935383737323837363632333339323034343933227d7d

After you enter this and press enter, you will start a peer search and your data will be sent eventually.

Then, your data will be validated and forwarded to more peers. This is a graph to demonstrate how quick word will get out (assuming everyone connects to 5 peers):

Round 1: 5 nodes
Round 2: 5**2 nodes
Round 3: 5**3 nodes
Round 4: 5**4 nodes
Round 5: 5**5 nodes
...
Round 10: 5**10 (9765625) nodes

Proposed Blocks

Let's say you just finished mining a block in memory/mining.py and you saved your packed block to a file. Your filename has a timestamp appended to it. When you run ./peers/sendingData.py and type in 2, Gemcoin will look at the block you've mined most recently based on the timestamp. This the block that will be proposed to the nodes.

Subprotocol Transactions

Undocumented.

Written by Vlad Usatii @ gemcoin @ youshould.readproduct.com