Enum FsmEvent 

pub enum FsmEvent {
    TransactionReceived {
        agent_dids: Vec<String>,
    },
    AuthorizeReceived {
        agent_did: String,
        settlement_address: Option<String>,
        expiry: Option<String>,
    },
    RejectReceived {
        agent_did: String,
        reason: Option<String>,
    },
    CancelReceived {
        by_did: String,
        reason: Option<String>,
    },
    PoliciesReceived {
        from_did: String,
    },
    PresentationReceived {
        from_did: String,
    },
    SettleReceived {
        settlement_id: Option<String>,
        amount: Option<String>,
    },
    RevertReceived {
        by_did: String,
        reason: String,
    },
    AgentsAdded {
        agent_dids: Vec<String>,
    },
    AgentRemoved {
        agent_did: String,
    },
}

An event that can trigger a state transition in the FSM.

Each variant corresponds to a TAP message type that affects transaction state. Events carry only the data needed for the state transition, not the full message payload.

Variants

TransactionReceived

A new Transfer or Payment was received, initiating the transaction.

Fields

agent_dids: Vec<String>

DIDs of agents involved in this transaction.

AuthorizeReceived

An agent sent an Authorize message for this transaction.

Fields

agent_did: String

DID of the agent that authorized.

settlement_address: Option<String>

Optional settlement address provided by the agent.

expiry: Option<String>

Optional expiry for this authorization.

RejectReceived

An agent sent a Reject message for this transaction.

Fields

agent_did: String

DID of the agent that rejected.

reason: Option<String>

Optional reason for rejection.

CancelReceived

A party sent a Cancel message.

Fields

by_did: String

DID of the party that cancelled.

reason: Option<String>

Optional reason for cancellation.

PoliciesReceived

A counterparty sent UpdatePolicies, indicating requirements that must be fulfilled before they will authorize.

Fields

from_did: String

DID of the party that sent the policies.

PresentationReceived

A Presentation was received satisfying (some) outstanding policies.

Fields

from_did: String

DID of the party that sent the presentation.

SettleReceived

The originator sent a Settle message with an on-chain reference.

Fields

settlement_id: Option<String>

On-chain settlement identifier (CAIP-220).

amount: Option<String>

Actual amount settled.

RevertReceived

A party sent a Revert message for a settled transaction.

Fields

by_did: String

DID of the party requesting revert.

reason: String

Reason for reversal.

AgentsAdded

New agents were added to the transaction (TAIP-5).

Fields

agent_dids: Vec<String>

DIDs of newly added agents.

AgentRemoved

An agent was removed from the transaction (TAIP-5).

Fields

agent_did: String

DID of the removed agent.

Trait Implementations

impl Clone for FsmEvent

fn clone(&self) -> FsmEvent

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FsmEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FsmEvent

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for FsmEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Serialize for FsmEvent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.