cnode

package
v1.2.1 Latest Latest
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 Go to latest Published: May 2, 2026 License: MIT Imports: 66 Imported by: 0

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Index

Constants

View Source 
const (
	// Enum of policy allowed.
	AllowTcbOpenChannel      = 1 << iota
	AllowStandardOpenChannel = 1 << iota
)

Variables

This section is empty.

Functions

func RecycleInstantiatedTcbDepositTx 

func RecycleInstantiatedTcbDepositTx(tx *storage.DALTx, args ...interface{}) error

func RequestStandardDeposit 

func RequestStandardDeposit(
	nowTs uint64, myAddr ctype.Addr,
	initializer *entity.PaymentChannelInitializer, ospToOsp bool,
	ocem *pem.OpenChannelEventMessage) (int, error)

RequestStandardDeposit checks open-channel policy. nowTs is a unix timestamp (seconds); the contract's `OpenDeadline` and rtconfig `MinDeadlineDelta` / `MaxDeadlineDelta` are also seconds in the blocktime contracts.

func RequestTcbDeposit 

func RequestTcbDeposit(dal *storage.DAL, nodeConfig common.GlobalNodeConfig, initializer *entity.PaymentChannelInitializer) (int, error)

Types

type CNode 

type CNode struct {
	EthAddress ctype.Addr // ETH address of the node

	// OSP server ETH address (for convenience)
	ServerAddr ctype.Addr

	Disputer *dispute.Processor

	AppClient *app.AppClient
	// contains filtered or unexported fields
}

func NewCNode 

func NewCNode(
	masterTxConfig *eth.TransactorConfig,
	depositTxConfig *eth.TransactorConfig,
	transactorConfigs []*eth.TransactorConfig,
	profile common.CProfile,
	routingPolicy route.RoutingPolicy,
	routingData []byte) (*CNode, error)

func NewCNodeWithExternalSigner 

func NewCNodeWithExternalSigner(
	address ctype.Addr,
	signer eth.Signer,
	profile common.CProfile) (*CNode, error)

NewCNodeWithExternalSigner is only used by client

func (*CNode) AddBooleanPay 

func (c *CNode) AddBooleanPay(newPay *entity.ConditionalPay, note *anypb.Any, dstNetId uint64) (ctype.PayIDType, error)

Similar to EstablishCondPayOnToken. This will add hash lock condition to pay condition and set time stamp.

func (*CNode) AddCelerStream 

func (c *CNode) AddCelerStream(celerMsg *rpc.CelerMsg, stream rpc.CelerStream) (context.Context, error)

AddCelerStream is called on server side after authReq passed add the stream to connection manager.

func (*CNode) BcastRoutingInfo 

func (c *CNode) BcastRoutingInfo(req *rpc.RoutingRequest, osps []string)

An OSP server sends out the message to its peer OSPs.

func (*CNode) BuildRoutingTable 

func (c *CNode) BuildRoutingTable(token ctype.Addr) (map[ctype.Addr]ctype.CidType, error)

func (*CNode) ClearPaymentsInChannel 

func (c *CNode) ClearPaymentsInChannel(cid ctype.CidType) error

ClearPaymentsInChannel confirm onchain resolved pays and clear expired pays in the channel. For efficieny, only expired pays are checked for possible on-chain resolvement. This function will replace SettleExpiredPays and ConfirmOnChainResolvedPays in the future.

func (*CNode) ClearPaymentsWithPeerOsps 

func (c *CNode) ClearPaymentsWithPeerOsps() error

func (*CNode) Close 

func (c *CNode) Close()

func (*CNode) ConfirmBooleanPay 

func (c *CNode) ConfirmBooleanPay(payID ctype.PayIDType) error

func (*CNode) ConfirmOnChainResolvedPays 

func (c *CNode) ConfirmOnChainResolvedPays(cid ctype.CidType) error

func (*CNode) ConfirmSettlePaymentChannel 

func (c *CNode) ConfirmSettlePaymentChannel(cid ctype.CidType) error

func (*CNode) ConfirmWithdraw 

func (c *CNode) ConfirmWithdraw(cid ctype.CidType) error

func (*CNode) CooperativeWithdraw 

func (c *CNode) CooperativeWithdraw(cid ctype.CidType, amount *big.Int, callback cooperativewithdraw.Callback) (string, error)

func (*CNode) DepositWithCallback 

func (c *CNode) DepositWithCallback(amt *big.Int, cid ctype.CidType, cb deposit.DepositCallback) (string, error)

func (*CNode) ForwardMsgToPeer 

func (c *CNode) ForwardMsgToPeer(req *rpc.FwdReq) error

func (*CNode) GetBalance 

func (c *CNode) GetBalance(cid ctype.CidType) (*common.ChannelBalance, error)

func (*CNode) GetChannelIdForPeer 

func (c *CNode) GetChannelIdForPeer(peer, tokenAddr ctype.Addr) (ctype.CidType, error)

func (*CNode) GetConnManager 

func (c *CNode) GetConnManager() *rpc.ConnectionManager

func (*CNode) GetConnectedOsps 

func (c *CNode) GetConnectedOsps() map[ctype.Addr]bool

func (*CNode) GetCurrentBlockNumber 

func (c *CNode) GetCurrentBlockNumber() *big.Int

func (*CNode) GetDAL 

func (c *CNode) GetDAL() *storage.DAL

func (*CNode) GetJoinStatusForNode 

func (c *CNode) GetJoinStatusForNode(dst, tokenAddr ctype.Addr) rpc.JoinCelerStatus

GetJoinStatusForNode gets the join status of an endpoint CAVEAT: Note that this will break if we decide to set a default route so that LookupNextChannelOnToken always returns a nextHop for any query. TODO: May not rely on LookupNextChannelOnToken in the future(yilun)

func (*CNode) GetKVStore 

func (c *CNode) GetKVStore() storage.KVStore

func (*CNode) GetPaymentState 

func (c *CNode) GetPaymentState(payID ctype.PayIDType) (int, int)

GetPaymentState returns the ingress and egress state of a payment

func (*CNode) GetPeerOsps 

func (c *CNode) GetPeerOsps() map[ctype.Addr]*route.NeighborInfo

func (*CNode) GetRPCAddr 

func (c *CNode) GetRPCAddr() string

Return the server's internal RPC address.

func (*CNode) GetSettleFinalizedTime 

func (c *CNode) GetSettleFinalizedTime(cid ctype.CidType) (*big.Int, error)

func (*CNode) GetSgnGuardRequest 

func (c *CNode) GetSgnGuardRequest(cid ctype.CidType) (*SgnRequest, error)

func (*CNode) GetSgnSubscription 

func (c *CNode) GetSgnSubscription() (*SgnSubscription, error)

func (*CNode) HandleAuthAck 

func (c *CNode) HandleAuthAck(peer ctype.Addr, ack *rpc.AuthAck)

HandleAuthAck tries to update db based on sync info in AuthAck msg NOTE this func doesn't return error as it's best effort to sync state some code are similar to open_channel logic but couldn't re-use due to openchan assumes init state

func (*CNode) HandleAuthReq 

func (c *CNode) HandleAuthReq(req *rpc.AuthReq) (*rpc.CelerMsg, error)

HandleAuthReq verifies AuthReq and return msg to send back or error if error is nil, guarantee *rpc.CelerMsg isn't nil

func (*CNode) InstantiateChannel 

func (c *CNode) InstantiateChannel(cid ctype.CidType, openCallback event.OpenChannelCallback) error

func (*CNode) IntendSettlePaymentChannel 

func (c *CNode) IntendSettlePaymentChannel(cid ctype.CidType) error

func (*CNode) IntendWithdraw 

func (c *CNode) IntendWithdraw(cidFrom ctype.CidType, amount *big.Int, cidTo ctype.CidType) error

func (*CNode) IsLocalPeer 

func (c *CNode) IsLocalPeer(client ctype.Addr) bool

Is the destination client locally connected on this server?

func (*CNode) MonitorCooperativeWithdrawJob 

func (c *CNode) MonitorCooperativeWithdrawJob(
	withdrawHash string,
	callback cooperativewithdraw.Callback)

func (*CNode) MonitorDepositJobWithCallback 

func (c *CNode) MonitorDepositJobWithCallback(jobID string, cb deposit.DepositCallback)

func (*CNode) NumClients 

func (c *CNode) NumClients() int

Return the number of clients locally connected on this server?

func (*CNode) OnNewStream 

func (c *CNode) OnNewStream(callback event.OnNewStreamCallback)

func (*CNode) OnReceivingToken 

func (c *CNode) OnReceivingToken(callback event.OnReceivingTokenCallback)

func (*CNode) OnSendToken 

func (c *CNode) OnSendToken(sendCallback event.OnSendingTokenCallback)

func (*CNode) OpenChannel 

func (c *CNode) OpenChannel(
	peer ctype.Addr,
	amtSelf *big.Int,
	amtPeer *big.Int,
	tokenInfo *entity.TokenInfo,
	ospToOspOpen bool,
	openCallback event.OpenChannelCallback) error

func (*CNode) ProcessMigrateChannelRequest 

func (c *CNode) ProcessMigrateChannelRequest(in *rpc.MigrateChannelRequest) (*rpc.MigrateChannelResponse, error)

ProcessMigrateChannelRequest handles channel migration request

func (*CNode) ProcessOpenChannelRequest 

func (c *CNode) ProcessOpenChannelRequest(in *rpc.OpenChannelRequest) (*rpc.OpenChannelResponse, error)

func (*CNode) ProcessTcbRequest 

func (c *CNode) ProcessTcbRequest(in *rpc.OpenChannelRequest) (*rpc.OpenChannelResponse, error)

func (*CNode) QueryDeposit 

func (c *CNode) QueryDeposit(depositID string) (int, string, error)

func (*CNode) RecvBcastRoutingInfo 

func (c *CNode) RecvBcastRoutingInfo(in *rpc.RoutingRequest) error

func (*CNode) RegisterStream 

func (c *CNode) RegisterStream(peerAddr ctype.Addr, peerHTTPTarget string) error

WARNING: msg drop interceptor only supports single stream, and should only be used in testing

func (*CNode) RegisterStreamErrCallback 

func (c *CNode) RegisterStreamErrCallback(peerAddr ctype.Addr, callback rpc.ErrCallbackFunc)

func (*CNode) RejectBooleanPay 

func (c *CNode) RejectBooleanPay(payID ctype.PayIDType) error

func (*CNode) RemoveCooperativeWithdrawJob 

func (c *CNode) RemoveCooperativeWithdrawJob(withdrawHash string)

func (*CNode) RemoveDepositJob 

func (c *CNode) RemoveDepositJob(jobID string) error

func (*CNode) RequestDeposit 

func (c *CNode) RequestDeposit(
	peerAddr ctype.Addr, tokenAddr ctype.Addr, toPeer bool, amount *big.Int, maxWait time.Duration) (string, error)

func (*CNode) RequestSgnGuardState 

func (c *CNode) RequestSgnGuardState(cid ctype.CidType) error

func (*CNode) SetDelegation 

func (c *CNode) SetDelegation(tokens []ctype.Addr, timeout int64) error

func (*CNode) SetMsgDropper 

func (c *CNode) SetMsgDropper(dropRecv, dropSend bool)

func (*CNode) SettleExpiredPays 

func (c *CNode) SettleExpiredPays(cid ctype.CidType) error

func (*CNode) SettleOnChainResolvedPay 

func (c *CNode) SettleOnChainResolvedPay(payID ctype.PayIDType) error

func (*CNode) SignState 

func (c *CNode) SignState(in []byte) []byte

SignState signs the data using cnode crypto and return result

func (*CNode) SyncOnChainChannelStates 

func (c *CNode) SyncOnChainChannelStates(cid ctype.CidType) (int, error)

func (*CNode) TcbOpenChannel 

func (c *CNode) TcbOpenChannel(
	peer ctype.Addr,
	amtPeer *big.Int,
	tokenInfo *entity.TokenInfo,
	openCallback event.OpenChannelCallback) error

func (*CNode) VetoWithdraw 

func (c *CNode) VetoWithdraw(cid ctype.CidType) error

type SgnRequest 

type SgnRequest struct {
	ChannelId               []byte `json:"channel_id"`
	SeqNum                  uint64 `json:"seq_num"`
	SimplexSender           string `json:"simplex_sender"`
	SimplexReceiver         string `json:"simplex_receiver"`
	SignedSimplexStateBytes []byte `json:"signed_simplex_state_bytes"`
	DisputeTimeout          uint64 `json:"dispute_timeout"`
	TriggerTxHash           string `json:"trigger_tx_hash"`
	TriggerTxBlkNum         uint64 `json:"trigger_tx_blk_num"`
	GuardTxHash             string `json:"guard_tx_hash"`
	GuardTxBlkNum           uint64 `json:"guard_tx_blk_num"`
	GuardSender             string `json:"guard_sender"`
}

type SgnResponseWithHeight 

type SgnResponseWithHeight struct {
	Height int64           `json:"height"`
	Result json.RawMessage `json:"result"`
}

type SgnSubscription 

type SgnSubscription struct {
	EthAddress string  `json:"eth_address"`
	Deposit    big.Int `json:"deposit"`
	Spend      big.Int `json:"spend"`
}

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