feat: improve periodic proof sending script

alerts/.env.devnet

@@ -4,6 +4,7 @@
 
 # # Variables for contract_alerts.sh
 # RPC_URL=<YOUR_RPC_URL>
+# RPC_URL_FALLBACK=<YOUR_FALLBACK_RPC_URL>
 # CONTRACT_ADDRESS=<YOUR_CONTRACT_ADDRESS>
 # NEW_BATCH_TOPIC=<YOUR_NEW_BATCH_TOPIC>
 # VERIFIED_BATCH_TOPIC=<YOUR_VERIFIED_BATCH_TOPIC>
@@ -17,6 +18,7 @@
 
 # # Variables for balance_alerts.sh
 # RPC_URL=<YOUR_RPC_URL>
+# RPC_URL_FALLBACK=<YOUR_FALLBACK_RPC_URL>
 # PAYMENT_CONTRACT_ADDRESS=<YOUR_PAYMENT_CONTRACT_ADDRESS>
 # BALANCE_THRESHOLD=<YOUR_BALANCE_THRESHOLD_IN_ETH>
 # WALLET_ADDRESS=<YOUR_WALLET_ADDRESS>

alerts/.env.example

@@ -17,6 +17,7 @@ EXPRESSION=<GREP_EXPRESSION>
 
 # Variables for balance_alerts.sh
 RPC_URL=<YOUR_RPC_URL>
+RPC_URL_FALLBACK=<YOUR_FALLBACK_RPC_URL>
 PAYMENT_CONTRACT_ADDRESS=<YOUR_PAYMENT_CONTRACT_ADDRESS>
 BALANCE_THRESHOLD=<YOUR_BALANCE_THRESHOLD_IN_ETH>
 WALLET_NAME=<YOUR_WALLET_NAME> # Example: "Task sender"
@@ -37,6 +38,7 @@ LOGS_BLOCK_RANGE=<LOGS_BLOCK_RANGE>
 CONTRACT_ADDRESS=<YOUR_CONTRACT_ADDRESS>
 AGGREGATED_PROOF_VERIFIED_TOPIC=0xfe3e9e971000ab9c80c7e06aba2933aae5419d0e44693e3046913e9e58053f62
 RPC_URL=<YOUR_RPC_URL>
+RPC_URL_FALLBACK=<YOUR_FALLBACK_RPC_URL>
 LOGS_BLOCK_RANGE=7500
 SLEEP_TIME=3600
 PAGER_DUTY_KEY=<YOUR_PAGER_DUTY_KEY>

alerts/periodic_sender.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+# This script is responsible for the handling of periodic sending, and the clauses for sending proofs.
+# It forwards the path of the .env file as the first argument to the sender_with_alert.sh script when
+# the conditions are met.
+
+ENV_FILE="$1"
+
+if [[ -z "$ENV_FILE" ]]; then
+    echo "Usage: $0 path/to/.env"
+    exit 1
+fi
+
+# Fetches the current ETH gas price
+function fetch_gas_price() {
+    gas_price=$(cast gas-price --rpc-url $RPC_URL)
+    if [[ -z "$gas_price" || "$gas_price" == "0" ]]; then
+        echo "Primary RPC_URL failed to fetch gas price, trying fallback..."
+        gas_price=$(cast gas-price --rpc-url $RPC_URL_FALLBACK)
+    fi
+
+    echo $gas_price
+}
+
+source "$ENV_FILE"
+
+# Each elapsed interval lasts for 30 minutes
+sleep_time=1800
+elapsed_intervals=0
+
+while true; do
+    echo "Starting pass #$elapsed_intervals"
+
+    current_gas_price=$(fetch_gas_price)
+    if [[ -z "$current_gas_price" || "$current_gas_price" == "0" ]]; then
+        echo "Failed to fetch current gas price from both RPC URLs, skipping this pass."
+
+        elapsed_intervals=$((elapsed_intervals + 1))
+
+        echo "Sleeping $sleep_time seconds (($((sleep_time / 60)) minutes))"
+        sleep "$sleep_time"
+        continue
+    fi
+    echo "Current gas price: $current_gas_price wei"
+
+    # In case current and gas price meet the criteria, send a proof and reset counter
+    if { [ $elapsed_intervals -ge 10 ] && [ $elapsed_intervals -lt 14 ] && [ $current_gas_price -lt 2000000000 ]; }; then
+        # Between 10 and 14 elapsed intervals (5 to 7 hours), if gas price is below 2 gwei, send a proof
+        message="Sending proof at $elapsed_intervals with gas price $current_gas_price wei"
+        echo "$message"
+        ./alerts/sender_with_alert.sh "$ENV_FILE"
+        elapsed_intervals=0
+    elif { [ $elapsed_intervals -ge 14 ] && [ $elapsed_intervals -lt 16 ] && [ $current_gas_price -lt 5000000000 ]; }; then
+        # Between 14 and 16 elapsed intervals (7 to 8 hours), if gas price is below 5 gwei, send a proof
+        message="Sending proof at $elapsed_intervals with gas price $current_gas_price wei"
+        echo "$message"
+        ./alerts/sender_with_alert.sh "$ENV_FILE"
+        elapsed_intervals=0
+    elif { [ $elapsed_intervals -ge 16 ] && [ $elapsed_intervals -lt 24 ] && [ $current_gas_price -lt 15000000000 ]; }; then
+        # Between 16 and 24 elapsed intervals (8 to 12 hours), if gas price is below 15 gwei, send a proof
+        message="Sending proof at $elapsed_intervals with gas price $current_gas_price wei"
+        echo "$message"
+        ./alerts/sender_with_alert.sh "$ENV_FILE"
+        elapsed_intervals=0
+    elif { [ $elapsed_intervals -ge 50 ]; }; then
+        # After 50 elapsed intervals (25 hours), if gas price is below 50 gwei, send a proof
+        message="Sending proof at $elapsed_intervals with gas price $current_gas_price wei"
+        echo "$message"
+        ./alerts/sender_with_alert.sh "$ENV_FILE"
+        elapsed_intervals=0
+    fi
+
+    elapsed_intervals=$((elapsed_intervals + 1))
+
+    echo "Sleeping $sleep_time seconds (($((sleep_time / 60)) minutes))"
+    sleep "$sleep_time"
+done