func deflateTxn(txn *msgs.Txn, seg *capn.Segment) *msgs.Txn {
if isDeflated(txn) {
return txn
}
deflatedTxn := msgs.NewTxn(seg)
deflatedTxn.SetId(txn.Id())
deflatedTxn.SetRetry(txn.Retry())
deflatedTxn.SetSubmitter(txn.Submitter())
deflatedTxn.SetSubmitterBootCount(txn.SubmitterBootCount())
deflatedTxn.SetFInc(txn.FInc())
deflatedTxn.SetTopologyVersion(txn.TopologyVersion())
deflatedTxn.SetAllocations(txn.Allocations())
actionsList := txn.Actions()
deflatedActionsList := msgs.NewActionList(seg, actionsList.Len())
deflatedTxn.SetActions(deflatedActionsList)
for idx, l := 0, actionsList.Len(); idx < l; idx++ {
deflatedAction := deflatedActionsList.At(idx)
deflatedAction.SetVarId(actionsList.At(idx).VarId())
deflatedAction.SetMissing()
}
return &deflatedTxn
}
func NewProposal(pm *ProposerManager, txnId *common.TxnId, txn *msgs.Txn, fInc int, ballots []*eng.Ballot, instanceRMId common.RMId, acceptors []common.RMId, skipPhase1 bool) *proposal {
allocs := txn.Allocations()
activeRMIds := make(map[common.RMId]uint32, allocs.Len())
for idx, l := 0, allocs.Len(); idx < l; idx++ {
alloc := allocs.At(idx)
bootCount := alloc.Active()
if bootCount == 0 {
break
}
rmId := common.RMId(alloc.RmId())
activeRMIds[rmId] = bootCount
}
p := &proposal{
proposerManager: pm,
instanceRMId: instanceRMId,
acceptors: acceptors,
activeRMIds: activeRMIds,
fInc: fInc,
txn: txn,
txnId: txnId,
submitter: common.RMId(txn.Submitter()),
submitterBootCount: txn.SubmitterBootCount(),
skipPhase1: skipPhase1,
instances: make(map[common.VarUUId]*proposalInstance, len(ballots)),
pending: make([]*proposalInstance, 0, len(ballots)),
finished: false,
}
for _, ballot := range ballots {
pi := newProposalInstance(p, ballot)
p.instances[*ballot.VarUUId] = pi
pi.init()
pi.start()
}
return p
}
func TxnToRootBytes(txn *msgs.Txn) []byte {
seg := capn.NewBuffer(nil)
txnCap := msgs.NewRootTxn(seg)
txnCap.SetId(txn.Id())
txnCap.SetRetry(txn.Retry())
txnCap.SetSubmitter(txn.Submitter())
txnCap.SetSubmitterBootCount(txn.SubmitterBootCount())
txnCap.SetActions(txn.Actions())
txnCap.SetAllocations(txn.Allocations())
txnCap.SetFInc(txn.FInc())
txnCap.SetTopologyVersion(txn.TopologyVersion())
return server.SegToBytes(seg)
}