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init.go
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init.go
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package signing_proposal_fsm
import (
"sync"
"github.com/lidofinance/dc4bc/fsm/fsm"
dkp "github.com/lidofinance/dc4bc/fsm/state_machines/dkg_proposal_fsm"
"github.com/lidofinance/dc4bc/fsm/state_machines/internal"
)
const (
FsmName = "signing_proposal_fsm"
StateSigningInitial = dkp.StateDkgMasterKeyCollected
StateSigningIdle = fsm.State("stage_signing_idle")
StateSigningAwaitPartialSigns = fsm.State("state_signing_await_partial_signs")
StateSigningPartialSignsAwaitCancelledByTimeout = fsm.State("state_signing_partial_signs_await_cancelled_by_timeout")
StateSigningPartialSignsAwaitCancelledByError = fsm.State("state_signing_partial_signs_await_cancelled_by_error")
StateSigningPartialSignsCollected = fsm.State("state_signing_partial_signs_collected")
EventSigningInit = fsm.Event("event_signing_init")
EventSigningStart = fsm.Event("event_signing_start")
EventSigningPartialSignReceived = fsm.Event("event_signing_partial_sign_received")
EventSigningPartialSignError = fsm.Event("event_signing_partial_sign_error_received")
eventSigningPartialSignsAwaitCancelByTimeoutInternal = fsm.Event("event_signing_partial_signs_await_cancel_by_timeout_internal")
eventSigningPartialSignsAwaitCancelByErrorInternal = fsm.Event("event_signing_partial_signs_await_sign_cancel_by_error_internal")
eventAutoSigningValidatePartialSignInternal = fsm.Event("event_signing_partial_signs_await_validate")
eventSigningPartialSignsConfirmedInternal = fsm.Event("event_signing_partial_signs_confirmed_internal")
EventSigningRestart = fsm.Event("event_signing_restart")
)
type SigningProposalFSM struct {
*fsm.FSM
payload *internal.DumpedMachineStatePayload
payloadMu sync.RWMutex
}
func New() internal.DumpedMachineProvider {
machine := &SigningProposalFSM{}
machine.FSM = fsm.MustNewFSM(
FsmName,
StateSigningInitial,
[]fsm.EventDesc{
{Name: EventSigningInit, SrcState: []fsm.State{StateSigningInitial}, DstState: StateSigningIdle},
{Name: EventSigningStart, SrcState: []fsm.State{StateSigningIdle}, DstState: StateSigningAwaitPartialSigns},
{Name: EventSigningPartialSignReceived, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningAwaitPartialSigns},
{Name: EventSigningPartialSignError, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningAwaitPartialSigns},
{Name: eventSigningPartialSignsAwaitCancelByTimeoutInternal, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningPartialSignsAwaitCancelledByTimeout, IsInternal: true},
{Name: eventSigningPartialSignsAwaitCancelByErrorInternal, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningPartialSignsAwaitCancelledByError, IsInternal: true},
{Name: eventAutoSigningValidatePartialSignInternal, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningAwaitPartialSigns, IsInternal: true, IsAuto: true},
{Name: eventSigningPartialSignsConfirmedInternal, SrcState: []fsm.State{StateSigningAwaitPartialSigns}, DstState: StateSigningPartialSignsCollected, IsInternal: true},
{Name: EventSigningRestart, SrcState: []fsm.State{StateSigningPartialSignsCollected, StateSigningPartialSignsAwaitCancelledByTimeout, StateSigningPartialSignsAwaitCancelledByError}, DstState: StateSigningIdle},
},
fsm.Callbacks{
EventSigningInit: machine.actionInitSigningProposal,
EventSigningStart: machine.actionStartSigningProposal,
EventSigningPartialSignReceived: machine.actionPartialSignConfirmationReceived,
eventAutoSigningValidatePartialSignInternal: machine.actionValidateSigningPartialSignsAwaitConfirmations,
EventSigningPartialSignError: machine.actionConfirmationError,
EventSigningRestart: machine.actionSigningRestart,
},
)
return machine
}
func (m *SigningProposalFSM) WithSetup(state fsm.State, payload *internal.DumpedMachineStatePayload) internal.DumpedMachineProvider {
m.payloadMu.Lock()
defer m.payloadMu.Unlock()
m.payload = payload
m.FSM = m.FSM.MustCopyWithState(state)
return m
}