From 952f2c2f1e2659ebe4fb4f5940832d02e5da6c4e Mon Sep 17 00:00:00 2001 From: Aayush Rajasekaran Date: Wed, 9 Sep 2020 05:13:51 -0400 Subject: [PATCH] Sever chainstore's dependence on the state tree --- chain/store/store.go | 25 ++++--------------------- 1 file changed, 4 insertions(+), 21 deletions(-) diff --git a/chain/store/store.go b/chain/store/store.go index 20a7e3031..ad30e0324 100644 --- a/chain/store/store.go +++ b/chain/store/store.go @@ -18,7 +18,6 @@ import ( "github.com/filecoin-project/specs-actors/actors/util/adt" "github.com/filecoin-project/lotus/api" - "github.com/filecoin-project/lotus/chain/state" "github.com/filecoin-project/lotus/chain/vm" "github.com/filecoin-project/lotus/journal" bstore "github.com/filecoin-project/lotus/lib/blockstore" @@ -767,32 +766,16 @@ type BlockMessages struct { func (cs *ChainStore) BlockMsgsForTipset(ts *types.TipSet) ([]BlockMessages, error) { applied := make(map[address.Address]uint64) - cst := cbor.NewCborStore(cs.bs) - st, err := state.LoadStateTree(cst, ts.Blocks()[0].ParentStateRoot) - if err != nil { - return nil, xerrors.Errorf("failed to load state tree") - } - - preloadAddr := func(a address.Address) error { - if _, ok := applied[a]; !ok { - act, err := st.GetActor(a) - if err != nil { - return err - } - - applied[a] = act.Nonce - } - return nil - } - selectMsg := func(m *types.Message) (bool, error) { - if err := preloadAddr(m.From); err != nil { - return false, err + // The first match for a sender is guaranteed to have correct nonce -- the block isn't valid otherwise + if _, ok := applied[m.From]; !ok { + applied[m.From] = m.Nonce } if applied[m.From] != m.Nonce { return false, nil } + applied[m.From]++ return true, nil