45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package events
|
|
|
|
import (
|
|
"context"
|
|
|
|
"golang.org/x/xerrors"
|
|
|
|
"github.com/filecoin-project/lotus/chain/types"
|
|
)
|
|
|
|
func (me *messageEvents) CheckMsg(ctx context.Context, smsg types.ChainMsg, hnd MsgHandler) CheckFunc {
|
|
msg := smsg.VMMessage()
|
|
|
|
return func(ts *types.TipSet) (done bool, more bool, err error) {
|
|
fa, err := me.cs.StateGetActor(ctx, msg.From, ts.Key())
|
|
if err != nil {
|
|
return false, true, err
|
|
}
|
|
|
|
// >= because actor nonce is actually the next nonce that is expected to appear on chain
|
|
if msg.Nonce >= fa.Nonce {
|
|
return false, true, nil
|
|
}
|
|
|
|
rec, err := me.cs.StateGetReceipt(ctx, smsg.VMMessage().Cid(), ts.Key())
|
|
if err != nil {
|
|
return false, true, xerrors.Errorf("getting receipt in CheckMsg: %w", err)
|
|
}
|
|
|
|
more, err = hnd(msg, rec, ts, ts.Height())
|
|
|
|
return true, more, err
|
|
}
|
|
}
|
|
|
|
func (me *messageEvents) MatchMsg(inmsg *types.Message) MsgMatchFunc {
|
|
return func(msg *types.Message) (matched bool, err error) {
|
|
if msg.From == inmsg.From && msg.Nonce == inmsg.Nonce && !inmsg.Equals(msg) {
|
|
return false, xerrors.Errorf("matching msg %s from %s, nonce %d: got duplicate origin/nonce msg %d", inmsg.Cid(), inmsg.From, inmsg.Nonce, msg.Nonce)
|
|
}
|
|
|
|
return inmsg.Equals(msg), nil
|
|
}
|
|
}
|