Generally functional. Added upload script
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180
tests/test_padding.sh
Executable file
180
tests/test_padding.sh
Executable file
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#!/bin/bash
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# Test SUP-03: Padding Payload Handling
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# Tests: Type 2 payload with padding bytes and double decryption
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set -e
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TEST_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$TEST_DIR/helpers/timing_utils.sh"
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source "$TEST_DIR/helpers/event_utils.sh"
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# Load test configuration
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KEYS_FILE="$TEST_DIR/fixtures/test_keys.json"
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RELAYS_FILE="$TEST_DIR/fixtures/test_relays.json"
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# Extract keys
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BUILDER_PRIVKEY=$(jq -r '.builder.privkey' "$KEYS_FILE")
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THROWER_A_PRIVKEY=$(jq -r '.thrower_a.privkey' "$KEYS_FILE")
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THROWER_A_PUBKEY=$(jq -r '.thrower_a.pubkey' "$KEYS_FILE")
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THROWER_B_PRIVKEY=$(jq -r '.thrower_b.privkey' "$KEYS_FILE")
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THROWER_B_PUBKEY=$(jq -r '.thrower_b.pubkey' "$KEYS_FILE")
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# Extract relays
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THROWER_A_RELAY=$(jq -r '.test_scenarios.multi_hop_2.thrower_a_relay' "$RELAYS_FILE")
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THROWER_B_RELAY=$(jq -r '.test_scenarios.multi_hop_2.thrower_b_relay' "$RELAYS_FILE")
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FINAL_RELAY=$(jq -r '.test_scenarios.multi_hop_2.final_relay' "$RELAYS_FILE")
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echo "=== SUP-03: Padding Payload Test ==="
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echo "Thrower A: $THROWER_A_PUBKEY → $THROWER_A_RELAY"
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echo "Thrower B: $THROWER_B_PUBKEY → $THROWER_B_RELAY"
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echo "Final Relay: $FINAL_RELAY"
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echo ""
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# Test parameters
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DELAY_A=2
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DELAY_B=2
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PADDING_BYTES=1024
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AUDIT_TAG="test-padding-$(date +%s)"
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TEST_CONTENT="Padding test message at $(date)"
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echo "Step 1: Create inner kind 1 event"
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INNER_EVENT=$(create_test_event "$BUILDER_PRIVKEY" "$TEST_CONTENT")
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INNER_EVENT_ID=$(echo "$INNER_EVENT" | jq -r '.id')
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echo "Created inner event: $INNER_EVENT_ID"
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echo ""
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echo "Step 2: Create routing payload for Thrower B (final hop)"
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ROUTING_B=$(create_routing_payload "$INNER_EVENT" "$FINAL_RELAY" "$DELAY_B" "null" "$AUDIT_TAG")
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ENCRYPTED_B=$(encrypt_payload "$BUILDER_PRIVKEY" "$THROWER_B_PUBKEY" "$ROUTING_B")
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WRAPPER_B=$(create_routing_event "$BUILDER_PRIVKEY" "$THROWER_B_PUBKEY" "$ENCRYPTED_B")
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echo "Created routing for Thrower B"
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echo ""
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echo "Step 3: Create routing payload for Thrower A WITH PADDING INSTRUCTION"
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echo "Instructing Thrower A to add ${PADDING_BYTES} bytes of padding"
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ROUTING_A=$(create_routing_payload "$WRAPPER_B" "$THROWER_B_RELAY" "$DELAY_A" "$THROWER_B_PUBKEY" "$AUDIT_TAG" "$PADDING_BYTES")
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echo ""
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# Verify padding instruction is in the payload
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if ! echo "$ROUTING_A" | grep -q "add_padding_bytes"; then
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echo "ERROR: Padding instruction not found in routing payload"
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exit 1
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fi
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echo "✓ Padding instruction included: add_padding_bytes=$PADDING_BYTES"
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echo ""
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echo "Step 4: Encrypt and wrap for Thrower A"
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ENCRYPTED_A=$(encrypt_payload "$BUILDER_PRIVKEY" "$THROWER_A_PUBKEY" "$ROUTING_A")
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WRAPPER_A=$(create_routing_event "$BUILDER_PRIVKEY" "$THROWER_A_PUBKEY" "$ENCRYPTED_A")
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WRAPPER_A_ID=$(echo "$WRAPPER_A" | jq -r '.id')
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echo "Created routing event: $WRAPPER_A_ID"
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echo ""
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echo "Step 5: Publish to Thrower A"
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PUBLISH_TIME=$(get_timestamp)
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publish_event "$WRAPPER_A" "$THROWER_A_RELAY"
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echo "Published at: $(date -d @$PUBLISH_TIME)"
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echo ""
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echo "Step 6: Monitor for intermediate event on Thrower B's relay"
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echo "This event should be a Type 2 payload (with padding)"
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echo "Monitoring $THROWER_B_RELAY for kind 22222 events to Thrower B..."
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echo ""
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# Wait for Thrower A to process and forward
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sleep $((DELAY_A + 5))
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# Try to find the forwarded event on Thrower B's relay
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# This is tricky because we need to find kind 22222 events with p-tag for Thrower B
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INTERMEDIATE_FOUND=false
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INTERMEDIATE_EVENT=$(nak req --relay "$THROWER_B_RELAY" -k 22222 --tag "p,$THROWER_B_PUBKEY" --limit 10 --timeout 5 2>/dev/null | \
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jq -s 'sort_by(.created_at) | reverse | .[0]' 2>/dev/null || echo "{}")
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if [ "$(echo "$INTERMEDIATE_EVENT" | jq -r '.id')" != "null" ] && [ "$(echo "$INTERMEDIATE_EVENT" | jq -r '.id')" != "" ]; then
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INTERMEDIATE_FOUND=true
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INTERMEDIATE_ID=$(echo "$INTERMEDIATE_EVENT" | jq -r '.id')
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echo "✓ Found intermediate event: $INTERMEDIATE_ID"
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# Check size - should be larger due to padding
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INTERMEDIATE_SIZE=$(echo "$INTERMEDIATE_EVENT" | jq -r '.content' | wc -c)
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echo " Intermediate event content size: ${INTERMEDIATE_SIZE} bytes"
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echo " (Should be larger than original due to padding)"
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else
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echo "⚠ Could not verify intermediate event (may have been processed already)"
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fi
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echo ""
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echo "Step 7: Monitor for final event on destination relay"
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echo "Monitoring $FINAL_RELAY for inner event $INNER_EVENT_ID..."
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echo ""
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TIMEOUT=$((DELAY_A + DELAY_B + 30))
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FOUND=false
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START_MONITOR=$(get_timestamp)
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while [ $(($(get_timestamp) - START_MONITOR)) -lt $TIMEOUT ]; do
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if query_event "$INNER_EVENT_ID" "$FINAL_RELAY" 2 | grep -q "$INNER_EVENT_ID"; then
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ARRIVAL_TIME=$(get_timestamp)
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FOUND=true
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break
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fi
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sleep 1
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done
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if [ "$FOUND" = false ]; then
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echo "ERROR: Inner event not found on final relay within ${TIMEOUT}s"
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echo "This indicates:"
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echo " - Thrower A may not have added padding correctly"
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echo " - Thrower B may not have handled Type 2 payload correctly"
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echo " - Double decryption may have failed"
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exit 1
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fi
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echo "✓ Inner event found on final relay"
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echo ""
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echo "Step 8: Verify timing"
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ACTUAL_DELAY=$((ARRIVAL_TIME - PUBLISH_TIME))
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EXPECTED_DELAY=$((DELAY_A + DELAY_B))
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echo "Actual delay: ${ACTUAL_DELAY}s"
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echo "Expected minimum: ${EXPECTED_DELAY}s"
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if [ $ACTUAL_DELAY -lt $EXPECTED_DELAY ]; then
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echo "ERROR: Event arrived too early!"
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exit 1
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fi
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echo ""
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echo "Step 9: Verify event content"
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FINAL_EVENT=$(query_event "$INNER_EVENT_ID" "$FINAL_RELAY" 5)
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FINAL_CONTENT=$(echo "$FINAL_EVENT" | jq -r '.content')
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if [ "$FINAL_CONTENT" != "$TEST_CONTENT" ]; then
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echo "ERROR: Content mismatch!"
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echo "Expected: $TEST_CONTENT"
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echo "Got: $FINAL_CONTENT"
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exit 1
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fi
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echo "Content verified: $FINAL_CONTENT"
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echo ""
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echo "=== TEST PASSED ==="
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echo "✓ Padding instruction processed by Thrower A"
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echo "✓ Type 2 payload created with ${PADDING_BYTES} bytes padding"
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echo "✓ Thrower B performed double decryption"
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echo "✓ Padding discarded correctly"
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echo "✓ Inner event delivered successfully"
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echo "✓ Content preserved through padding layer"
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echo ""
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echo "Key Observations:"
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if [ "$INTERMEDIATE_FOUND" = true ]; then
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echo " - Intermediate event size increased due to padding"
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fi
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echo " - Double decryption handled correctly"
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echo " - Timing constraints respected"
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echo ""
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exit 0
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