fix(prover): fix a capacity release issue (#405)

prover/prover.go

@@ -642,20 +642,21 @@ func (p *Prover) onBlockProposed(
 // submitProofOp performs a proof submission operation.
 func (p *Prover) submitProofOp(ctx context.Context, proofWithHeader *proofProducer.ProofWithHeader) {
 	p.submitProofConcurrencyGuard <- struct{}{}
+
 	go func() {
+		p.currentBlocksBeingProvenMutex.Lock()
+		delete(p.currentBlocksBeingProven, proofWithHeader.Meta.Id)
+		p.currentBlocksBeingProvenMutex.Unlock()
+
 		defer func() {
 			<-p.submitProofConcurrencyGuard
-			p.currentBlocksBeingProvenMutex.Lock()
-			delete(p.currentBlocksBeingProven, proofWithHeader.Meta.Id)
-			p.currentBlocksBeingProvenMutex.Unlock()
+			if !p.cfg.OracleProver {
+				p.capacityManager.ReleaseOneCapacity()
+			}
 		}()
 
 		if err := backoff.Retry(
 			func() error {
-				if !p.cfg.OracleProver {
-					p.capacityManager.ReleaseOneCapacity()
-				}
-
 				err := p.validProofSubmitter.SubmitProof(p.ctx, proofWithHeader)
 				if err != nil {
 					log.Error("Submit proof error", "error", err)