lotus/chain/messagepool/provider.go

135 lines
4.4 KiB
Go

package messagepool
import (
"context"
"time"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/network"
"github.com/ipfs/go-cid"
pubsub "github.com/libp2p/go-libp2p-pubsub"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/chain/messagesigner"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
)
var (
HeadChangeCoalesceMinDelay = 2 * time.Second
HeadChangeCoalesceMaxDelay = 6 * time.Second
HeadChangeCoalesceMergeInterval = time.Second
)
type Provider interface {
SubscribeHeadChanges(func(rev, app []*types.TipSet) error) *types.TipSet
PutMessage(ctx context.Context, m types.ChainMsg) (cid.Cid, error)
PubSubPublish(string, []byte) error
GetActorAfter(address.Address, *types.TipSet) (*types.Actor, error)
StateAccountKeyAtFinality(context.Context, address.Address, *types.TipSet) (address.Address, error)
StateNetworkVersion(context.Context, abi.ChainEpoch) network.Version
MessagesForBlock(context.Context, *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error)
MessagesForTipset(context.Context, *types.TipSet) ([]types.ChainMsg, error)
LoadTipSet(ctx context.Context, tsk types.TipSetKey) (*types.TipSet, error)
ChainComputeBaseFee(ctx context.Context, ts *types.TipSet) (types.BigInt, error)
IsLite() bool
}
type mpoolProvider struct {
sm *stmgr.StateManager
ps *pubsub.PubSub
lite messagesigner.MpoolNonceAPI
}
var _ Provider = (*mpoolProvider)(nil)
func NewProvider(sm *stmgr.StateManager, ps *pubsub.PubSub) Provider {
return &mpoolProvider{sm: sm, ps: ps}
}
func NewProviderLite(sm *stmgr.StateManager, ps *pubsub.PubSub, noncer messagesigner.MpoolNonceAPI) Provider {
return &mpoolProvider{sm: sm, ps: ps, lite: noncer}
}
func (mpp *mpoolProvider) IsLite() bool {
return mpp.lite != nil
}
func (mpp *mpoolProvider) SubscribeHeadChanges(cb func(rev, app []*types.TipSet) error) *types.TipSet {
mpp.sm.ChainStore().SubscribeHeadChanges(
store.WrapHeadChangeCoalescer(
cb,
HeadChangeCoalesceMinDelay,
HeadChangeCoalesceMaxDelay,
HeadChangeCoalesceMergeInterval,
))
return mpp.sm.ChainStore().GetHeaviestTipSet()
}
func (mpp *mpoolProvider) PutMessage(ctx context.Context, m types.ChainMsg) (cid.Cid, error) {
return mpp.sm.ChainStore().PutMessage(ctx, m)
}
func (mpp *mpoolProvider) PubSubPublish(k string, v []byte) error {
return mpp.ps.Publish(k, v) //nolint
}
func (mpp *mpoolProvider) GetActorAfter(addr address.Address, ts *types.TipSet) (*types.Actor, error) {
if mpp.IsLite() {
n, err := mpp.lite.GetNonce(context.TODO(), addr, ts.Key())
if err != nil {
return nil, xerrors.Errorf("getting nonce over lite: %w", err)
}
a, err := mpp.lite.GetActor(context.TODO(), addr, ts.Key())
if err != nil {
return nil, xerrors.Errorf("getting actor over lite: %w", err)
}
a.Nonce = n
return a, nil
}
stcid, _, err := mpp.sm.TipSetState(context.TODO(), ts)
if err != nil {
return nil, xerrors.Errorf("computing tipset state for GetActor: %w", err)
}
st, err := mpp.sm.StateTree(stcid)
if err != nil {
return nil, xerrors.Errorf("failed to load state tree: %w", err)
}
return st.GetActor(addr)
}
func (mpp *mpoolProvider) StateAccountKeyAtFinality(ctx context.Context, addr address.Address, ts *types.TipSet) (address.Address, error) {
return mpp.sm.ResolveToKeyAddressAtFinality(ctx, addr, ts)
}
func (mpp *mpoolProvider) StateNetworkVersion(ctx context.Context, height abi.ChainEpoch) network.Version {
return mpp.sm.GetNetworkVersion(ctx, height)
}
func (mpp *mpoolProvider) MessagesForBlock(ctx context.Context, h *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
return mpp.sm.ChainStore().MessagesForBlock(ctx, h)
}
func (mpp *mpoolProvider) MessagesForTipset(ctx context.Context, ts *types.TipSet) ([]types.ChainMsg, error) {
return mpp.sm.ChainStore().MessagesForTipset(ctx, ts)
}
func (mpp *mpoolProvider) LoadTipSet(ctx context.Context, tsk types.TipSetKey) (*types.TipSet, error) {
return mpp.sm.ChainStore().LoadTipSet(ctx, tsk)
}
func (mpp *mpoolProvider) ChainComputeBaseFee(ctx context.Context, ts *types.TipSet) (types.BigInt, error) {
baseFee, err := mpp.sm.ChainStore().ComputeBaseFee(ctx, ts)
if err != nil {
return types.NewInt(0), xerrors.Errorf("computing base fee at %s: %w", ts, err)
}
return baseFee, nil
}