fix(taiko-client): fix process in handling empty proof (#18128)

Co-authored-by: David <david@taiko.xyz>
taikoxyz · Sep 18, 2024 · d6d90d8 · d6d90d8
1 parent 9476859
commit d6d90d8
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Showing 3 changed files with 7 additions and 0 deletions.
diff --git a/packages/taiko-client/prover/proof_producer/proof_producer.go b/packages/taiko-client/prover/proof_producer/proof_producer.go
@@ -14,6 +14,7 @@ import (
 
 var (
 	errProofGenerating = errors.New("proof is generating")
+	errEmptyProof      = errors.New("proof is empty")
 )
 
 // ProofRequestBody represents a request body to generate a proof.

diff --git a/packages/taiko-client/prover/proof_producer/sgx_producer.go b/packages/taiko-client/prover/proof_producer/sgx_producer.go
@@ -158,6 +158,9 @@ func (s *SGXProofProducer) callProverDaemon(
 	if s.ProofType == ProofTypeCPU {
 		proof = common.Hex2Bytes(output.Data.Proof)
 	} else {
+		if len(output.Data.Proof) == 0 {
+			return nil, errEmptyProof
+		}
 		proof = common.Hex2Bytes(output.Data.Proof[2:])
 	}
 

diff --git a/packages/taiko-client/prover/proof_producer/zkvm_producer.go b/packages/taiko-client/prover/proof_producer/zkvm_producer.go
@@ -136,6 +136,9 @@ func (s *ZKvmProofProducer) callProverDaemon(
 		return nil, ErrRetry
 	}
 
+	if len(output.Data.Proof.Proof) == 0 {
+		return nil, errEmptyProof
+	}
 	proof = common.Hex2Bytes(output.Data.Proof.Proof[2:])
 	log.Info(
 		"Proof generated",