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P2P Message (govobj)

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- Clarify details re: collateral hash, vin, and vchSig since they are
not always required
 - Add hexdump example of proposal in addition to trigger
This commit is contained in:
thephez 2017-10-25 15:40:26 -04:00
parent d59d4570a8
commit 2b17a2ace9
1 changed files with 45 additions and 10 deletions
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_includes/devdoc/ref_p2p_networking.md
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@ -2281,23 +2281,58 @@ contract, or setting. Masternodes ignore this request if they are not fully sync
| 32 | nHashParent | uint256 | Required | Parent object (a hash of all zeros here indicates this is the root object, not a child object).
| 4 | nRevision | int | Required | Object revision in the system
| 8 | nTime | int64_t | Required | Time which this object was created
| 32 | nCollateralHash | uint256 | Required | Hash of the collateral fee transaction
| 32 | nCollateralHash | uint256 | Required* | Hash of the collateral fee transaction for proposals.<br><br>Set to all zeros for Triggers/Watchdogs.
| 0-16384 | strData | string | Required | Data field - can be used for anything (leading varint indicates size of data)
| 4 | nObjectType | int | Required | Type of governance object: <br>• `0` - Unknown<br>• `1` - Proposal<br>• `2` - Trigger<br>• `3` - Watchdog
| 41 | vinMasternode | CTxIn | Required | Unspent output for the masternode which is signing this object
| 66* | vchSig | char[] | Required | Signature of the masternode (66 bytes in most cases. Length (1 byte) + Signature (65 bytes))
| 41 | vinMasternode | CTxIn | Required* | Unspent output for the masternode which is signing this object.<br><br>Set to all zeros for proposals since they can be created by non-masternodes.
| 66* | vchSig | char[] | Required* | Signature of the masternode (Length (1 byte) + Signature (65 bytes))<br><br>Not required for proposals - they will have a length of 0x00 and no Signature.
Governance Object Types (defined by src/governance-object.h)
| Type | Name | Description
|------|-------------------------|------------
| 0 | GOVERNANCE_OBJECT_UNKNOWN |
| 1 | GOVERNANCE_OBJECT_PROPOSAL | Submitted proposal (requires collateral transaction - currently 5 Dash)
| 2 | GOVERNANCE_OBJECT_TRIGGER | Masternode generated. Removed after activation/execution. Used for superblocks.
| 3 | GOVERNANCE_OBJECT_WATCHDOG | Masternode generated. Two hour expiration time.
| 0 | `GOVERNANCE_OBJECT_UNKNOWN` |
| 1 | `GOVERNANCE_OBJECT_PROPOSAL` | Submitted proposal (requires collateral transaction - currently 5 Dash)
| 2 | `GOVERNANCE_OBJECT_TRIGGER` | Masternode generated. Removed after activation/execution. Used for superblocks.
| 3 | `GOVERNANCE_OBJECT_WATCHDOG` | Masternode generated. Two hour expiration time.
The following annotated hexdump shows a `govobj` message. (The
message header has been omitted.)
The following annotated hexdump shows a `govobj` message for a Proposal object.
Notice the presence of a non-zero collateral hash, a vinMasternode that is an
empty CTxIn (hash of all zeros, index/sequence of 0xffffffff, no Signature),
and no vchSig.
(The message header has been omitted.)
{% highlight text %}
00000000000000000000000000000000
00000000000000000000000000000000 ..... Parent Hash (0 = root)
01000000 ............................. Revision: 1
c8dfd65900000000 ..................... Create timestamp: 2017-10-06 01:43:31 UTC
633611d2f3e7481325242f200c7f3485
e3a9b4b6301e7f7d18d87d8231f3880b ..... Collateral Hash
Data
| 3e02 ............................... Data length: 574
| 356235623232373 ... 376435643564 ... Data (truncated)
01000000 ............................. Object Type: GOVERNANCE_OBJECT_PROPOSAL (1)
Transaction input
| Previous Output
| | 00000000000000000000000000000000
| | 00000000000000000000000000000000 ... Outpoint TXID
| | ffffffff ........................... Outpoint index number: 0
| 00 ................................... Script length: 0
| ...................................... Signature: None
| ffffffff ............................. Sequence
00 ................................... Signature length: 0
| .................................... Masternode Signature (None required)
{% endhighlight %}
The following annotated hexdump shows a `govobj` message for a Trigger object.
Notice the collateral hash of all zeros.
(The message header has been omitted.)
{% highlight text %}
00000000000000000000000000000000
@ -2305,7 +2340,7 @@ message header has been omitted.)
01000000 ............................. Revision: 1
911ea85900000000 ..................... Create timestamp: 2017-08-31 14:34:57 UTC
00000000000000000000000000000000
00000000000000000000000000000000 ..... Collateral Hash
00000000000000000000000000000000 ..... Collateral Hash (None required)
Data
| ae11 ............................... Data length: 4526