From e7fc860b351bc4aa75d37bb534f29f609efdd840 Mon Sep 17 00:00:00 2001 From: UdjinM6 Date: Tue, 11 Oct 2016 16:06:44 +0300 Subject: [PATCH] update protocol-documentation.md --- dash-docs/protocol-documentation.md | 239 +++++++++++++++------------- 1 file changed, 126 insertions(+), 113 deletions(-) diff --git a/dash-docs/protocol-documentation.md b/dash-docs/protocol-documentation.md index 021aa5659..63ca69e2d 100644 --- a/dash-docs/protocol-documentation.md +++ b/dash-docs/protocol-documentation.md @@ -11,174 +11,187 @@ uint256 => char[32] CScript => uchar[] -### COutpoint +### COutPoint -Bitcoin Input +Bitcoin Outpoint https://bitcoin.org/en/glossary/outpoint -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | | 32 | hash | uint256 | Hash of transactional output which is being referenced | 4 | n | uint32_t | Index of transaction which is being referenced -### CTXIn +### CTxIn -Bitcoin Input +Bitcoin Input https://bitcoin.org/en/glossary/input -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | | 36 | prevout | COutPoint | The previous output from an existing transaction, in the form of an unspent output | 1+ | script length | var_int | The length of the signature script | ? | script | CScript | The script which is validated for this input to be spent | 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. -### CPubkey +### CTxOut -Bitcoin Public Key +Bitcoin Output https://bitcoin.org/en/glossary/output -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 33-65 | vch | char[] | Encapcilated public key of masternode in serialized varchar form +| 8 | nValue | int64_t | Transfered value +| ? | scriptPubKey | CScript | The script for indicating what conditions must be fulfilled for this output to be further spent -### Masternode Winner +### CPubKey -When a new block is found on the network, a masternode quorum will be determined and those 10 selected masternodes will issue a masternode winner command to pick the next winning node. +Bitcoin Public Key https://bitcoin.org/en/glossary/public-key -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 41+ | vinMasternode | CTXIn | The unspent output of the masternode which is signing the message -| 4 | nBlockHeight | int | The blockheight which the payee should be paid -| ? | payeeAddress | CScript | The address to pay to -| 71-73 | sig | char[] | Signature of the masternode) +| 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. ## Message Types -### Masternode Winner +### MNANNOUNCE - "mnb" -When a new block is found on the network, a masternode quorum will be determined and those 10 selected masternodes will issue a masternode winner command to pick the next winning node. +CMasternodeBroadcast -| Field Size | Description | Data type | Comments | +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. + +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 41+ | vinMasternode | CTXIn | The unspent output of the masternode which is signing the message -| 4 | nBlockHeight | int | The blockheight which the payee should be paid -| ? | payeeAddress | CScript | The address to pay to -| 71-73 | sig | char[] | Signature of the masternode) - -### Governance Vote - -Masternodes use governance voting in response to new proposals, contracts, settings or finalized budgets. - -| Field Size | Description | Data type | Comments | -| ---------- | ----------- | --------- | -------- | -| 41+ | Unspent Output | CTXIn | Unspent output for the masternode which is voting -| 32 | nParentHash | uint256 | Object which we're voting on (proposal, contract, setting or final budget) -| 4 | nVote | int | Yes (1), No(2) or Abstain(0) -| 8 | nTime | int_64t | Time which the vote was created -| 71-73 | vchSig | char[] | Signature of the masternode - -### Governance Object - -A proposal, contract or setting. - -| Field Size | Description | Data type | Comments | -| ---------- | ----------- | --------- | -------- | -| 1-20 | strName | std::string | Name of the governance object -| 1-64 | strURL | std::string | URL where detailed information about the governance object can be found -| 8 | nTime | int_64t | Time which this object was created -| 4 | nBlockStart | int | Starting block, which the first payment will occur -| 4 | nBlockEnd | int | Ending block, which the last payment will occur -| 8 | nAmount | int_64t | The amount in satoshi's that will be paid out each time -| ? | payee | CScript | Address which will be paid out to -| 32 | nFeeTXHash | uint256 | Hash of the collateral fee transaction - -### Finalized Budget - -Contains a finalized list of the order in which the next budget will be paid. - -| Field Size | Description | Data type | Comments | -| ---------- | ----------- | --------- | -------- | -| 41+ | strBudgetName | CTXIn | The unspent output of the masternode which is signing the message -| 4 | nBlockStart | int | The blockheight which the payee should be paid -| ? | vecBudgetPayments | CScript | The address to pay to -| 32 | nFeeTXHash | uint256 | Hash of the collateral fee transaction - -### Masternode Announce - -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. - -| Field Size | Description | Data type | Comments | -| ---------- | ----------- | --------- | -------- | -| 41+ | vin | CTXIn | The unspent output of the masternode which is signing the message +| 41 | vin | CTxIn | The unspent output which is holding 1000 DASH | # | addr | CService | Address of the main 1000 DASH unspent output -| 33-65 | pubkey | CPubkey | CPubKey of the main 1000 DASH unspent output -| 33-65 | pubkey2 | CPubkey | CPubkey of the secondary signing key (For all other messaging other than announce message) +| 33-65 | pubKeyCollateralAddress | CPubKey | CPubKey of the main 1000 DASH unspent output +| 33-65 | pubKeyMasternode | CPubKey | CPubKey of the secondary signing key (For all other messaging other than announce message) | 71-73 | sig | char[] | Signature of this message -| 8 | sigTime | int_64t | Time which the signature was created -| 4 | protocolVersion | int | The protocol version of the masternode -| # | lastPing | CMasternodePing | The last time the masternode pinged the network -| 8 | nLastDsq | int_64t | The last time the masternode sent a DSQ message (for darksend mixing) +| 8 | sigTime | int64_t | Time which the signature was created +| 4 | nProtocolVersion | int | The protocol version of the masternode +| # | lastPing | CMasternodePing | The last known ping of the masternode +| 8 | nLastDsq | int64_t | The last time the masternode sent a DSQ message (for mixing) -### Masternode Ping +### MNPING - "mnp" CMasternodePing Every few minutes, masternodes ping the network with a message that propagates the whole network. -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 41+ | vin | CTXIn | The unspent output of the masternode which is signing the message +| 41 | vin | CTxIn | The unspent output of the masternode which is signing the message | 32 | blockHash | uint256 | Current chaintip blockhash minus 12 -| 8 | sigTime | int_64t | Signature time for this ping -| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubkey2) +| 8 | sigTime | int64_t | Signature time for this ping +| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode) -### Masternode DSTX +### MASTERNODEPAYMENTVOTE - "mnw" -Masternodes can broadcast subsidised transactions without fees for the sake of security in Darksend. This is done via the DSTX message. +CMasternodePaymentVote -| Field Size | Description | Data type | Comments | +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. + +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| # | tx | CTransaction | The unspent output of the masternode which is signing the message -| 41+ | vin | CTXIn | Masternode unspent output -| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubkey2) -| 8 | sigTime | int_64_t | Time this message was signed +| 41 | vinMasternode | CTxIn | The unspent output of the masternode which is signing the message +| 4 | nBlockHeight | int | The blockheight which the payee should be paid +| ? | payeeAddress | CScript | The address to pay to +| 71-73 | sig | char[] | Signature of the masternode which is signing the message -### DSSTATUSUPDATE - DSSU +### DSTX - "dstx" -Darksend pool status update +CDarksendBroadcastTx -| Field Size | Description | Data type | Comments | +Masternodes can broadcast subsidised transactions without fees for the sake of security in mixing. This is done via the DSTX message. + +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 4 | sessionID | int | The unspent output of the masternode which is signing the message -| 4 | GetState | int | Masternode unspent output -| 4 | GetEntriesCount | int | Number of entries -| 4 | Status | int | Status of the mixing process -| 4 | errorID | int | Error ID if any +| # | tx | CTransaction | The transaction +| 41 | vin | CTxIn | Masternode unspent output +| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode) +| 8 | sigTime | int64_t | Time this message was signed -### DSSTATUSUPDATE - DSQ +### DSSTATUSUPDATE - "dssu" -Asks users to sign final Darksend tx message. +Mixing pool status update -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 4 | vDenom | int | Which denominations are allowed in this mixing session -| 4 | vin | int | unspend output from masternode which is hosting this session -| 4 | time | int | the time this DSQ was created -| 4 | ready | int | if the mixing pool is ready to be executed -| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubkey2) +| 4 | nMsgSessionID | int | Session ID +| 4 | nMsgState | int | Current state of mixing process +| 4 | nMsgEntriesCount | int | Number of entries in the mixing pool +| 4 | nMsgAccepted | int | Was entries accepted or not +| 4 | nMsgErrorID | int | Error ID if any -### DSSTATUSUPDATE - DSA +### DSQUEUE - "dsq" -Response to DSQ message which allows the user to join a Darksend mixing pool +CDarksendQueue -| Field Size | Description | Data type | Comments | +Asks users to sign final mixing tx message. + +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| 4 | sessionDenom | int | denomination that will be exclusively used when submitting inputs into the pool -| 4 | txCollateral | int | unspend output from masternode which is hosting this session +| 4 | nDenom | int | Which denomination is allowed in this mixing session +| 41 | vin | CTxIn | unspend output from masternode which is hosting this session +| 4 | nTime | int | the time this DSQ was created +| 4 | fReady | int | if the mixing pool is ready to be executed +| 71-73 | vchSig | char[] | Signature of this message by masternode (verifiable via pubKeyMasternode) -### DSSTATUSUPDATE - DSS +### DSACCEPT - "dsa" -User's signed inputs for a group transaction in a Darksend session +Response to DSQ message which allows the user to join a mixing pool -| Field Size | Description | Data type | Comments | +| Field Size | Field Name | Data type | Description | | ---------- | ----------- | --------- | -------- | -| # | inputs | CTXIn[] | signed inputs for Darksend session +| 4 | nDenom | int | denomination that will be exclusively used when submitting inputs into the pool +| 41+ | txCollateral | int | collateral tx that will be charged if this client acts maliciousely + +### DSVIN - "dsi" + +CDarkSendEntry + +When queue is ready user is expected to send his entry to start actual mixing + +| Field Size | Field Name | Data type | Description | +| ---------- | ----------- | --------- | -------- | +| ? | vecTxDSIn | CTxDSIn[] | vector of users inputs (CTxDSIn serialization is equal to CTxIn serialization) +| 8 | nAmount | int64_t | depreciated since 12.1, it's used for backwards compatibility only and can be removed with future protocol bump +| ? | txCollateral | CTransaction | Collateral transaction which is used to prevent misbehavior and also to charge fees randomly +| ? | vecTxDSOut | CTxDSOut[] | vector of user outputs (CTxDSOut serialization is equal to CTxOut serialization) + +### DSSIGNFINALTX - "dss" + +User's signed inputs for a group transaction in a mixing session + +| Field Size | Field Name | Data type | Description | +| ---------- | ----------- | --------- | -------- | +| # | inputs | CTxIn[] | signed inputs for mixing session + +### MNGOVERNANCEOBJECT - "govobj" + +Governance Object + +A proposal, contract or setting. + +| Field Size | Field Name | Data type | Description | +| ---------- | ----------- | --------- | -------- | +| 32 | nHashParent | uint256 | Parent object, 0 is root +| 4 | nRevision | int | Object revision in the system +| 8 | nTime | int64_t | Time which this object was created +| 32 | nCollateralHash | uint256 | Hash of the collateral fee transaction +| 0-16384 | strData | string | Data field - can be used for anything +| 4 | nObjectType | int | ???? +| 41 | vinMasternode | CTxIn | Unspent output for the masternode which is signing this object +| 71-73 | vchSig | char[] | Signature of the masternode + +### MNGOVERNANCEOBJECTVOTE - "govobjvote" + +Governance Vote + +Masternodes use governance voting in response to new proposals, contracts, settings or finalized budgets. + +| Field Size | Field Name | Data type | Description | +| ---------- | ----------- | --------- | -------- | +| 4 | nVoteSignal | int | ??? +| 41+ | vinMasternode | CTxIn | Unspent output for the masternode which is voting +| 32 | nParentHash | uint256 | Object which we're voting on (proposal, contract, setting or final budget) +| 4 | nVoteOutcome | int | ??? +| 8 | nTime | int64_t | Time which the vote was created +| 71-73 | vchSig | char[] | Signature of the masternode