code moved from scripts repo;

dump works

rin/wallet/cmd/dump_wallet.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+
+# RinCoin Wallet Backup Script
+# Dumps all private keys to a secure text file for backup.
+# WARNING: This file contains sensitive private keys. Store it securely (encrypted, offline).
+# Do not share or email it. Anyone with this file can spend your coins.
+
+set -eo pipefail
+
+# Configuration
+WALLET="main"
+TIMESTAMP=$(date +%Y%m%d_%H%M%S)
+# Path as seen by the RIN daemon (relative to its /data directory)
+DAEMON_BACKUP_FILE="/data/rin_wallet_backup_${TIMESTAMP}.txt"
+# Actual system path where the file will be created
+SYSTEM_BACKUP_FILE="/mnt/data/docker_vol/rincoin/rincoin-node/data/rin_wallet_backup_${TIMESTAMP}.txt"
+
+# RPC Configuration
+RPC_USER="rinrpc"
+RPC_PASSWORD="745ce784d5d537fc06105a1b935b7657903cfc71a5fb3b90"
+RPC_HOST="localhost"
+RPC_PORT="9556"
+
+# No need to create directory - daemon writes to its own /data
+
+# Check if RIN node is running
+if ! pgrep -f "rincoind" > /dev/null; then
+    echo "Error: RinCoin daemon is not running. Start it first."
+    exit 1
+fi
+
+# Ensure wallet is loaded
+echo "Checking if wallet '${WALLET}' is loaded..."
+LIST_WALLETS_RESPONSE=$(curl -s -u "$RPC_USER:$RPC_PASSWORD" \
+    -H "Content-Type: application/json" \
+    -d '{"jsonrpc": "2.0", "id": "listwallets", "method": "listwallets", "params": []}' \
+    "http://$RPC_HOST:$RPC_PORT")
+
+if ! echo "$LIST_WALLETS_RESPONSE" | grep -q '"main"'; then
+    echo "Wallet '${WALLET}' not loaded. Attempting to load..."
+    LOAD_RESPONSE=$(curl -s -u "$RPC_USER:$RPC_PASSWORD" \
+        -H "Content-Type: application/json" \
+        -d '{"jsonrpc": "2.0", "id": "loadwallet", "method": "loadwallet", "params": ["'$WALLET'"]}' \
+        "http://$RPC_HOST:$RPC_PORT")
+    
+    if echo "$LOAD_RESPONSE" | grep -q '"error"'; then
+        echo "Failed to load wallet. Response: $LOAD_RESPONSE"
+        exit 1
+    fi
+fi
+
+echo "Dumping wallet to: $DAEMON_BACKUP_FILE"
+echo "This may take a moment..."
+
+# Dump wallet using RPC (use daemon's path)
+DUMP_RESPONSE=$(curl -s -u "$RPC_USER:$RPC_PASSWORD" \
+    -H "Content-Type: application/json" \
+    -d '{"jsonrpc": "2.0", "id": "dumpwallet", "method": "dumpwallet", "params": ["'$DAEMON_BACKUP_FILE'"]}' \
+    "http://$RPC_HOST:$RPC_PORT/wallet/$WALLET")
+
+# Check for errors in dump response
+if echo "$DUMP_RESPONSE" | grep -q '"error":null'; then
+    echo "✓ Wallet dump successful"
+else
+    echo "Error dumping wallet: $DUMP_RESPONSE"
+    exit 1
+fi
+
+# Verify the file was created and has content (check system path)
+if [[ ! -f "$SYSTEM_BACKUP_FILE" ]]; then
+    echo "Error: Backup file was not created at $SYSTEM_BACKUP_FILE"
+    exit 1
+fi
+
+LINE_COUNT=$(wc -l < "$SYSTEM_BACKUP_FILE")
+if [[ $LINE_COUNT -lt 10 ]]; then
+    echo "Warning: Backup file seems too small (${LINE_COUNT} lines). Check for errors."
+    exit 1
+fi
+
+# Copy backup to user's home directory for easy access
+USER_BACKUP_DIR="${HOME}/rin_wallet_backups"
+mkdir -p "$USER_BACKUP_DIR"
+USER_BACKUP_FILE="${USER_BACKUP_DIR}/rin_wallet_backup_${TIMESTAMP}.txt"
+cp "$SYSTEM_BACKUP_FILE" "$USER_BACKUP_FILE"
+
+echo "✅ Wallet successfully backed up to: $USER_BACKUP_FILE"
+echo ""
+echo "🔐 SECURITY REMINDERS:"
+echo "  - This file contains private keys for ALL addresses in the wallet."
+echo "  - Encrypt it immediately: gpg -c $USER_BACKUP_FILE"
+echo "  - Store on encrypted media (e.g., USB drive in safe)."
+echo "  - Delete the unencrypted file after encryption."
+echo "  - Test restoration on a testnet node before relying on it."
+echo ""
+echo "File size: $(du -h "$USER_BACKUP_FILE" | cut -f1)"
+echo "Lines: $LINE_COUNT"
+