218 lines
9.0 KiB
Markdown
218 lines
9.0 KiB
Markdown
Protocol Documentation - 0.12.1
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=====================================
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This document describes the protocol extensions for all additional functionality build into the Neobytes protocol. This doesn't include any of the Bitcoin procotol, which has been left in tact in the Neobytes project. For more information about the core protocol, please see https://en.bitcoin.it/w/index.php?title#Protocol_documentation&action#edit
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## Common Structures
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### Simple types
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uint256 => char[32]
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CScript => uchar[]
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### COutPoint
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Bitcoin Outpoint https://bitcoin.org/en/glossary/outpoint
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 32 | hash | uint256 | Hash of transactional output which is being referenced
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| 4 | n | uint32_t | Index of transaction which is being referenced
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### CTxIn
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Bitcoin Input https://bitcoin.org/en/glossary/input
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 36 | prevout | COutPoint | The previous output from an existing transaction, in the form of an unspent output
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| 1+ | script length | var_int | The length of the signature script
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| ? | script | CScript | The script which is validated for this input to be spent
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| 4 | nSequence | uint_32t | Transaction version as defined by the sender. Intended for "replacement" of transactions when information is updated before inclusion into a block.
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### CTxOut
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Bitcoin Output https://bitcoin.org/en/glossary/output
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 8 | nValue | int64_t | Transfered value
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| ? | scriptPubKey | CScript | The script for indicating what conditions must be fulfilled for this output to be further spent
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### CPubKey
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Bitcoin Public Key https://bitcoin.org/en/glossary/public-key
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 33-65 | vch | char[] | The public portion of a keypair which can be used to verify signatures made with the private portion of the keypair.
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## Message Types
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### MNANNOUNCE - "mnb"
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CMasternodeBroadcast
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Whenever a masternode comes online or a client is syncing, they will send this message which describes the masternode entry and how to validate messages from it.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 41 | vin | CTxIn | The unspent output which is holding 1000 NBY
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| # | addr | CService | Address of the main 1000 NBY unspent output
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| 33-65 | pubKeyCollateralAddress | CPubKey | CPubKey of the main 1000 NBY unspent output
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| 33-65 | pubKeyMasternode | CPubKey | CPubKey of the secondary signing key (For all other messaging other than announce message)
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| 71-73 | sig | char[] | Signature of this message
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| 8 | sigTime | int64_t | Time which the signature was created
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| 4 | nProtocolVersion | int | The protocol version of the masternode
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| # | lastPing | CMasternodePing | The last known ping of the masternode
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| 8 | nLastDsq | int64_t | The last time the masternode sent a DSQ message (for mixing) (DEPRECATED)
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### MNPING - "mnp"
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CMasternodePing
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Every few minutes, masternodes ping the network with a message that propagates the whole network.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 41 | vin | CTxIn | The unspent output of the masternode which is signing the message
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| 32 | blockHash | uint256 | Current chaintip blockhash minus 12
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| 8 | sigTime | int64_t | Signature time for this ping
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| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode)
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### MASTERNODEPAYMENTVOTE - "mnw"
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CMasternodePaymentVote
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When a new block is found on the network, a masternode quorum will be determined and those 10 selected masternodes will issue a masternode payment vote message to pick the next winning node.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 41 | vinMasternode | CTxIn | The unspent output of the masternode which is signing the message
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| 4 | nBlockHeight | int | The blockheight which the payee should be paid
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| ? | payeeAddress | CScript | The address to pay to
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| 71-73 | sig | char[] | Signature of the masternode which is signing the message
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### DSTX - "dstx"
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CDarksendBroadcastTx
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Masternodes can broadcast subsidised transactions without fees for the sake of security in mixing. This is done via the DSTX message.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| # | tx | CTransaction | The transaction
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| 41 | vin | CTxIn | Masternode unspent output
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| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode)
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| 8 | sigTime | int64_t | Time this message was signed
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### DSSTATUSUPDATE - "dssu"
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Mixing pool status update
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 4 | nMsgSessionID | int | Session ID
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| 4 | nMsgState | int | Current state of mixing process
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| 4 | nMsgEntriesCount | int | Number of entries in the mixing pool
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| 4 | nMsgStatusUpdate | int | Update state and/or signal if entry was accepted or not
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| 4 | nMsgMessageID | int | ID of the typical masternode reply message
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### DSQUEUE - "dsq"
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CDarksendQueue
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Asks users to sign final mixing tx message.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 4 | nDenom | int | Which denomination is allowed in this mixing session
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| 41 | vin | CTxIn | unspend output from masternode which is hosting this session
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| 4 | nTime | int | the time this DSQ was created
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| 4 | fReady | int | if the mixing pool is ready to be executed
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| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode)
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### DSACCEPT - "dsa"
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Response to DSQ message which allows the user to join a mixing pool
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 4 | nDenom | int | denomination that will be exclusively used when submitting inputs into the pool
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| 41+ | txCollateral | int | collateral tx that will be charged if this client acts maliciousely
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### DSVIN - "dsi"
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CDarkSendEntry
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When queue is ready user is expected to send his entry to start actual mixing
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| ? | vecTxDSIn | CTxDSIn[] | vector of users inputs (CTxDSIn serialization is equal to CTxIn serialization)
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| 8 | nAmount | int64_t | depreciated since 12.1, it's used for backwards compatibility only and can be removed with future protocol bump
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| ? | txCollateral | CTransaction | Collateral transaction which is used to prevent misbehavior and also to charge fees randomly
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| ? | vecTxDSOut | CTxDSOut[] | vector of user outputs (CTxDSOut serialization is equal to CTxOut serialization)
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### DSSIGNFINALTX - "dss"
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User's signed inputs for a group transaction in a mixing session
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| # | inputs | CTxIn[] | signed inputs for mixing session
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### TXLOCKREQUEST - "ix"
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CTxLockRequest
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Transaction Lock Request, serialization is the same as for CTransaction.
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### TXLOCKVOTE - "txlvote"
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CTxLockVote
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Transaction Lock Vote
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 32 | txHash | uint256 | txid of the transaction to lock
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| 36 | outpoint | COutPoint | The utxo to lock in this transaction
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| 36 | outpointMasternode | COutPoint | The utxo of the masternode which is signing the vote
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| 71-73 | vchMasternodeSignature | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode)
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### MNGOVERNANCEOBJECT - "govobj"
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Governance Object
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A proposal, contract or setting.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 32 | nHashParent | uint256 | Parent object, 0 is root
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| 4 | nRevision | int | Object revision in the system
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| 8 | nTime | int64_t | Time which this object was created
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| 32 | nCollateralHash | uint256 | Hash of the collateral fee transaction
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| 0-16384 | strData | string | Data field - can be used for anything
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| 4 | nObjectType | int | ????
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| 41 | vinMasternode | CTxIn | Unspent output for the masternode which is signing this object
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| 71-73 | vchSig | char[] | Signature of the masternode
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### MNGOVERNANCEOBJECTVOTE - "govobjvote"
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Governance Vote
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Masternodes use governance voting in response to new proposals, contracts, settings or finalized budgets.
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| Field Size | Field Name | Data type | Description |
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| ---------- | ----------- | --------- | -------- |
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| 41+ | vinMasternode | CTxIn | Unspent output for the masternode which is voting
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| 32 | nParentHash | uint256 | Object which we're voting on (proposal, contract, setting or final budget)
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| 4 | nVoteOutcome | int | ???
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| 4 | nVoteSignal | int | ???
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| 8 | nTime | int64_t | Time which the vote was created
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| 71-73 | vchSig | char[] | Signature of the masternode
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