99 lines
3.0 KiB
Bash
99 lines
3.0 KiB
Bash
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#!/usr/bin/env bash
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# Retry Transaction with Exponential Backoff
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# Usage: ./retry-with-backoff.sh <command> [max_retries] [initial_delay]
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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# Colors
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
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log_success() { echo -e "${GREEN}[✓]${NC} $1"; }
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log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
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# Load environment variables
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if [ -f "$PROJECT_ROOT/.env" ]; then
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source "$PROJECT_ROOT/.env"
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elif [ -f "$PROJECT_ROOT/../.env" ]; then
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source "$PROJECT_ROOT/../.env"
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fi
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# Configuration
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COMMAND="${1:-}"
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MAX_RETRIES="${2:-3}"
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INITIAL_DELAY="${3:-5}"
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GAS_MULTIPLIER=1.5
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if [ -z "$COMMAND" ]; then
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log_error "Command required"
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log_info "Usage: $0 '<command>' [max_retries] [initial_delay]"
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log_info "Example: $0 'cast send ... --gas-price \$GAS' 3 5"
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exit 1
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fi
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RPC_URL="${RPC_URL_138:-http://192.168.11.250:8545}"
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# Get optimal gas price (increasing with each retry)
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get_optimal_gas() {
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local retry_count="$1"
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local current_gas=$(cast gas-price --rpc-url "$RPC_URL" 2>/dev/null || echo "1000000000")
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local multiplier=$(echo "scale=2; $GAS_MULTIPLIER * (1 + $retry_count * 0.5)" | bc 2>/dev/null || echo "$GAS_MULTIPLIER")
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local optimal_gas=$(echo "scale=0; $current_gas * $multiplier / 1" | bc 2>/dev/null || echo "$current_gas")
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echo "$optimal_gas"
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}
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log_info "========================================="
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log_info "Retry with Exponential Backoff"
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log_info "========================================="
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log_info ""
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log_info "Command: $COMMAND"
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log_info "Max Retries: $MAX_RETRIES"
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log_info "Initial Delay: $INITIAL_DELAY seconds"
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log_info ""
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RETRY=0
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DELAY=$INITIAL_DELAY
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while [ $RETRY -lt $MAX_RETRIES ]; do
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log_info "Attempt $((RETRY + 1))/$MAX_RETRIES"
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# Get optimal gas for this retry
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OPTIMAL_GAS=$(get_optimal_gas $RETRY)
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OPTIMAL_GAS_GWEI=$(echo "scale=2; $OPTIMAL_GAS / 1000000000" | bc 2>/dev/null || echo "1")
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log_info "Using gas price: $OPTIMAL_GAS_GWEI gwei"
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# Replace GAS_PRICE in command if present
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COMMAND_WITH_GAS=$(echo "$COMMAND" | sed "s/\$GAS_PRICE/$OPTIMAL_GAS/g" | sed "s/\${GAS_PRICE}/$OPTIMAL_GAS/g")
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# Execute command
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if eval "$COMMAND_WITH_GAS" 2>&1; then
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log_success "Command succeeded on attempt $((RETRY + 1))"
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exit 0
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else
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EXIT_CODE=$?
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log_warn "Command failed (exit code: $EXIT_CODE)"
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if [ $RETRY -lt $((MAX_RETRIES - 1)) ]; then
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log_info "Waiting $DELAY seconds before retry..."
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sleep $DELAY
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DELAY=$((DELAY * 2)) # Exponential backoff
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((RETRY++)) || true
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else
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log_error "Command failed after $MAX_RETRIES attempts"
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exit $EXIT_CODE
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fi
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fi
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done
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log_error "All retry attempts exhausted"
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exit 1
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