feat: add multi-node blockchain monitoring workflows for 3-node network
- Create multi-node blockchain health monitoring workflow - Create P2P network verification workflow for all 3 nodes - Create blockchain synchronization verification workflow - Update blockchain-communication-test.sh to include aitbc2 (gitea-runner) - Add shared scripts directory with health check, P2P verification, and sync verification scripts - All workflows trigger on git push to main/develop branches - Workflows run on gitea-runner (has SSH access to all nodes) - Include automatic remediation for failed services and sync issues - Sync threshold set to 10 blocks - Logging to /var/log/aitbc/ and alerts in Gitea UI
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aitbc
348
scripts/multi-node/sync-verification.sh
Executable file
348
scripts/multi-node/sync-verification.sh
Executable file
@@ -0,0 +1,348 @@
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#!/bin/bash
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#
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# Blockchain Synchronization Verification Script
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# Verifies blockchain synchronization across all 3 nodes
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# Provides automatic remediation by forcing sync from healthy node
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#
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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LOG_DIR="/var/log/aitbc"
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LOG_FILE="${LOG_DIR}/sync-verification.log"
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# Node Configuration
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NODES=(
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"aitbc:10.1.223.93"
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"aitbc1:10.1.223.40"
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"aitbc2:10.1.223.98"
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)
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RPC_PORT=8006
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SYNC_THRESHOLD=10
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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# Logging functions
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log() {
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local level="$1"
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shift
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local message="$@"
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local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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echo "[${timestamp}] [${level}] ${message}" | tee -a "${LOG_FILE}"
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}
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log_success() {
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log "SUCCESS" "$@"
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echo -e "${GREEN}$@${NC}"
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}
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log_error() {
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log "ERROR" "$@"
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echo -e "${RED}$@${NC}"
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}
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log_warning() {
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log "WARNING" "$@"
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echo -e "${YELLOW}$@${NC}"
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}
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# SSH execution helper
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ssh_exec() {
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local node="$1"
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local command="$2"
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ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no "$node" "$command" 2>&1 || return 1
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}
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# Get block height from RPC endpoint
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get_block_height() {
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local node_ip="$1"
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# Try to get block height from RPC
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height=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/blockchain/height" 2>/dev/null | grep -o '[0-9]*' || echo "0")
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if [ -z "$height" ] || [ "$height" = "0" ]; then
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# Try alternative endpoint
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height=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/height" 2>/dev/null | grep -o '[0-9]*' || echo "0")
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fi
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echo "$height"
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}
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# Get chain ID from RPC endpoint
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get_chain_id() {
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local node_ip="$1"
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chain_id=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/blockchain/chain-id" 2>/dev/null || echo "")
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if [ -z "$chain_id" ]; then
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chain_id=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/chain-id" 2>/dev/null || echo "")
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fi
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echo "$chain_id"
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}
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# Get block hash at specific height
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get_block_hash() {
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local node_ip="$1"
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local height="$2"
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hash=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/blockchain/block/${height}/hash" 2>/dev/null || echo "")
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echo "$hash"
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}
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# Check chain ID consistency
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check_chain_id_consistency() {
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log "Checking chain ID consistency across nodes"
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local first_chain_id=""
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local consistent=true
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for node_config in "${NODES[@]}"; do
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IFS=':' read -r node_name node_ip <<< "$node_config"
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chain_id=$(get_chain_id "$node_ip")
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if [ -z "$chain_id" ]; then
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log_error "Could not get chain ID from ${node_name}"
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consistent=false
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continue
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fi
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log "Chain ID on ${node_name}: ${chain_id}"
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if [ -z "$first_chain_id" ]; then
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first_chain_id="$chain_id"
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elif [ "$chain_id" != "$first_chain_id" ]; then
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log_error "Chain ID mismatch on ${node_name}: ${chain_id} vs ${first_chain_id}"
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consistent=false
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fi
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done
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if [ "$consistent" = true ]; then
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log_success "Chain ID consistent across all nodes"
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return 0
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else
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log_error "Chain ID inconsistent across nodes"
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return 1
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fi
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}
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# Check block synchronization
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check_block_sync() {
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log "Checking block synchronization across nodes"
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local heights=()
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local max_height=0
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local min_height=999999
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for node_config in "${NODES[@]}"; do
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IFS=':' read -r node_name node_ip <<< "$node_config"
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height=$(get_block_height "$node_ip")
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if [ -z "$height" ] || [ "$height" = "0" ]; then
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log_error "Could not get block height from ${node_name}"
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return 1
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fi
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heights+=("${node_name}:${height}")
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log "Block height on ${node_name}: ${height}"
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if [ "$height" -gt "$max_height" ]; then
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max_height=$height
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max_node="${node_name}"
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max_ip="${node_ip}"
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fi
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if [ "$height" -lt "$min_height" ]; then
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min_height=$height
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fi
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done
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local height_diff=$((max_height - min_height))
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log "Max height: ${max_height} (${max_node}), Min height: ${min_height}, Diff: ${height_diff}"
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if [ "$height_diff" -le "$SYNC_THRESHOLD" ]; then
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log_success "Block synchronization within threshold (diff: ${height_diff})"
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return 0
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else
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log_error "Block synchronization exceeds threshold (diff: ${height_diff})"
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return 1
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fi
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}
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# Check block hash consistency at current height
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check_block_hash_consistency() {
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log "Checking block hash consistency"
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local target_height=""
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# Find the minimum height to compare at
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for node_config in "${NODES[@]}"; do
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IFS=':' read -r node_name node_ip <<< "$node_config"
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height=$(get_block_height "$node_ip")
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if [ -z "$target_height" ] || [ "$height" -lt "$target_height" ]; then
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target_height=$height
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fi
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done
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log "Comparing block hashes at height ${target_height}"
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local first_hash=""
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local consistent=true
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for node_config in "${NODES[@]}"; do
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IFS=':' read -r node_name node_ip <<< "$node_config"
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hash=$(get_block_hash "$node_ip" "$target_height")
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if [ -z "$hash" ]; then
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log_warning "Could not get block hash from ${node_name} at height ${target_height}"
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continue
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fi
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log "Block hash on ${node_name} at height ${target_height}: ${hash}"
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if [ -z "$first_hash" ]; then
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first_hash="$hash"
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elif [ "$hash" != "$first_hash" ]; then
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log_error "Block hash mismatch on ${node_name} at height ${target_height}"
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consistent=false
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fi
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done
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if [ "$consistent" = true ]; then
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log_success "Block hashes consistent at height ${target_height}"
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return 0
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else
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log_error "Block hashes inconsistent"
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return 1
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fi
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}
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# Remediation: Force sync from healthy node
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force_sync_from_source() {
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local target_node="$1"
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local target_name="$2"
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local source_node="$3"
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local source_name="$4"
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log "Forcing sync from ${source_name} to ${target_name}"
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# Stop blockchain service on target
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log "Stopping blockchain service on ${target_name}"
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ssh_exec "$target_node" "systemctl stop aitbc-blockchain-node" 2>&1 | tee -a "${LOG_FILE}"
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sleep 5
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# Copy chain.db from source to target
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log "Copying chain.db from ${source_name} to ${target_name}"
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ssh_exec "$source_node" "cat /var/lib/aitbc/data/chain.db" | ssh_exec "$target_node" "cat > /var/lib/aitbc/data/chain.db" 2>&1 | tee -a "${LOG_FILE}"
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# Start blockchain service on target
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log "Starting blockchain service on ${target_name}"
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ssh_exec "$target_node" "systemctl start aitbc-blockchain-node" 2>&1 | tee -a "${LOG_FILE}"
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sleep 10
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# Verify service is running
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if ssh_exec "$target_node" "systemctl is-active aitbc-blockchain-node" | grep -q "active"; then
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log_success "Sync completed successfully on ${target_name}"
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return 0
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else
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log_error "Failed to start blockchain service on ${target_name} after sync"
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return 1
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fi
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}
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# Main sync verification
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main() {
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log "=== Blockchain Synchronization Verification Started ==="
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# Create log directory if it doesn't exist
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mkdir -p "${LOG_DIR}"
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local total_failures=0
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# Check chain ID consistency
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if ! check_chain_id_consistency; then
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log_error "Chain ID inconsistency detected - this is critical"
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((total_failures++))
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fi
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# Check block synchronization
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if ! check_block_sync; then
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log_error "Block synchronization issue detected"
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((total_failures++))
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# Determine source and target nodes for remediation
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local max_height=0
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local max_node=""
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local max_ip=""
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local min_height=999999
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local min_node=""
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local min_ip=""
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for node_config in "${NODES[@]}"; do
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IFS=':' read -r node_name node_ip <<< "$node_config"
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height=$(get_block_height "$node_ip")
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if [ "$height" -gt "$max_height" ]; then
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max_height=$height
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max_node="${node_name}"
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max_ip="${node_ip}"
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fi
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if [ "$height" -lt "$min_height" ]; then
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min_height=$height
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min_node="${node_name}"
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min_ip="${node_ip}"
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fi
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done
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# Attempt remediation if difference exceeds threshold
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local height_diff=$((max_height - min_height))
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if [ "$height_diff" -gt "$SYNC_THRESHOLD" ]; then
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log "Attempting remediation: sync from ${max_node} to ${min_node}"
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if force_sync_from_source "$min_ip" "$min_node" "$max_ip" "$max_node"; then
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log_success "Remediation successful"
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# Re-check sync after remediation
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if check_block_sync; then
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log_success "Sync verification passed after remediation"
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else
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log_error "Sync still fails after remediation"
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((total_failures++))
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fi
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else
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log_error "Remediation failed"
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((total_failures++))
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fi
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fi
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fi
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# Check block hash consistency
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if ! check_block_hash_consistency; then
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log_error "Block hash inconsistency detected"
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((total_failures++))
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fi
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log "=== Blockchain Synchronization Verification Completed ==="
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log "Total failures: ${total_failures}"
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if [ ${total_failures} -eq 0 ]; then
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log_success "Blockchain synchronization verification passed"
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exit 0
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else
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log_error "Blockchain synchronization verification failed with ${total_failures} failures"
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exit 1
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fi
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}
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# Run main function
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main "$@"
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