feat(prover): improve oracle proof submission delay (#212)

taikoxyz · May 5, 2023 · 20c1423 · 20c1423
1 parent e061540
commit 20c1423
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/proposer/proposer.go b/proposer/proposer.go
@@ -343,7 +343,7 @@ func (p *Proposer) checkTaikoTokenBalance() error {
 	}
 
 	if balance.Cmp(new(big.Int).SetUint64(fee)) == -1 {
-		return fmt.Errorf("proposer does not have enough tko balance to propose")
+		return fmt.Errorf("proposer does not have enough tko balance to propose, balance: %d, fee: %d", balance, fee)
 	}
 
 	return nil

diff --git a/prover/proof_producer/oracle_proof_producer.go b/prover/proof_producer/oracle_proof_producer.go
@@ -119,7 +119,18 @@ func (p *OracleProducer) RequestProof(
 		return fmt.Errorf("failed to sign evidence: %w", err)
 	}
 
-	time.AfterFunc(p.proofTimeTarget, func() {
+	var (
+		delay     time.Duration = 0
+		now                     = time.Now()
+		blockTime               = time.Unix(int64(block.Time()), 0)
+	)
+	if now.Before(blockTime.Add(p.proofTimeTarget)) {
+		delay = blockTime.Add(p.proofTimeTarget).Sub(now)
+	}
+
+	log.Info("Oracle proof submission delay", "delay", delay)
+
+	time.AfterFunc(delay, func() {
 		resultCh <- &ProofWithHeader{
 			BlockID: blockID,
 			Header:  header,