Test optimized backfill (skips attested proofs)

check-attestation.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# check-attestation.sh - Check if an OpenTimestamp proof is fully attested
+# Usage: check-attestation.sh <proof-file>
+# Returns: 0 if fully attested, 1 if pending
+
+PROOF_FILE="${1:-}"
+
+if [ -z "$PROOF_FILE" ] || [ ! -f "$PROOF_FILE" ]; then
+    echo "Error: proof file not found: $PROOF_FILE" >&2
+    exit 2
+fi
+
+# Check for PendingAttestation in ots info output
+if ots info "$PROOF_FILE" 2>&1 | grep -q "PendingAttestation"; then
+    echo "pending"
+    exit 1
+else
+    echo "attested"
+    exit 0
+fi