diff --git a/contracts/script/test/7683/loadtesting/loadtest.sh b/contracts/script/test/7683/loadtesting/loadtest.sh
new file mode 100755
index 00000000..2052c566
--- /dev/null
+++ b/contracts/script/test/7683/loadtesting/loadtest.sh
@@ -0,0 +1,312 @@
+#!/bin/bash
+# ===============================================
+# T1ERC7683 Intent Settlement Script
+# Random asset selection + timed transactions + random direction (Base <-> Arbitrum)
+# Uses random uint32 nonce without validation, with retries for nonce collisions
+# Limits transaction amounts to $0.001 USD equivalent for USDC and WETH
+# Uses environment variables for chain-specific configs
+# Matches Solidity OrderData struct with data field
+# ===============================================
+# Suppress Foundry nightly warning
+export FOUNDRY_DISABLE_NIGHTLY_WARNING=1
+# Load environment variables from .env file if it exists
+if [[ -f ".env" ]]; then
+    source .env
+fi
+# CONFIGURATION
+# Ensure required env vars are set
+required_vars=("RPC_BASE" "RPC_ARB" "PROXY_BASE" "PROXY_ARB" "PRIVATE_KEY" "SENDER_ADDRESS" "RECIPIENT_ADDRESS")
+for var in "${required_vars[@]}"; do
+    if [[ -z "${!var}" ]]; then
+        echo "❌ Error: $var environment variable is not set" >&2
+        exit 1
+    fi
+done
+# Set default token addresses if not provided
+USDC_BASE="${USDC_BASE:-0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913}"
+USDC_ARB="${USDC_ARB:-0xaf88d065e77c8cC2239327C5EDb3A432268e5831}"
+WETH_BASE="${WETH_BASE:-0x4200000000000000000000000000000000000006}"
+WETH_ARB="${WETH_ARB:-0x82aF49447D8a07e3bd95BD0d56f35241523fBab1}"
+# Chain domains (fixed)
+DOMAIN_BASE=8453
+DOMAIN_ARB=42161
+# Counterparts (counterpart on the other chain)
+COUNTERPART_BASE="${COUNTERPART_BASE:-$PROXY_ARB}" # Default to Arb proxy
+COUNTERPART_ARB="${COUNTERPART_ARB:-$PROXY_BASE}" # Default to Base proxy
+# ASSETS CONFIG (parallel arrays for asset names and amounts)
+ASSET_NAMES=("USDC" "WETH")
+ASSET_AMOUNTS=("1000" "400000000000") # 0.001 USDC (6 decimals, ~$0.001), 0.0000004 WETH (18 decimals, ~$0.001 at $2500/WETH)
+ASSET_DECIMALS=("6" "18") # Decimals for each asset
+# ORDER ENCODING
+FILL_DEADLINE=1800 # 30 minutes, fixed to match Solidity
+# Corrected ORDER_DATA_TYPE without field names
+ORDER_DATA_TYPE=$(cast keccak "OrderData(bytes32,bytes32,bytes32,bytes32,uint256,uint256,uint256,uint32,uint32,bytes32,uint32,bool,bytes)" | sed 's/^0x//')
+ORDER_DATA_TYPE="0x$ORDER_DATA_TYPE"
+# Validate ORDER_DATA_TYPE
+if [[ ! "$ORDER_DATA_TYPE" =~ ^0x[0-9a-fA-F]{64}$ ]]; then
+    echo "❌ Error: Invalid ORDER_DATA_TYPE: $ORDER_DATA_TYPE" >&2
+    exit 1
+fi
+echo "🔍 ORDER_DATA_TYPE: $ORDER_DATA_TYPE" >&2
+encode_order_data() {
+    local asset=$1
+    local amount=$2
+    local decimals=$3
+    local origin_domain=$4
+    local dest_domain=$5
+    local counterpart=$6
+    local nonce=$7
+    local input_token_addr
+    local output_token_addr
+    case $asset in
+        "USDC")
+            if [[ $origin_domain -eq $DOMAIN_BASE ]]; then
+                input_token_addr="$USDC_BASE"
+            else
+                input_token_addr="$USDC_ARB"
+            fi
+            if [[ $dest_domain -eq $DOMAIN_BASE ]]; then
+                output_token_addr="$USDC_BASE"
+            else
+                output_token_addr="$USDC_ARB"
+            fi
+            ;;
+        "WETH")
+            if [[ $origin_domain -eq $DOMAIN_BASE ]]; then
+                input_token_addr="$WETH_BASE"
+            else
+                input_token_addr="$WETH_ARB"
+            fi
+            if [[ $dest_domain -eq $DOMAIN_BASE ]]; then
+                output_token_addr="$WETH_BASE"
+            else
+                output_token_addr="$WETH_ARB"
+            fi
+            ;;
+        *)
+            echo "❌ Invalid asset: $asset" >&2
+            return 1
+            ;;
+    esac
+    if [[ -z "$input_token_addr" || -z "$output_token_addr" ]]; then
+        echo "❌ Error: Token addresses not set for $asset on origin $origin_domain -> dest $dest_domain" >&2
+        return 1
+    fi
+    local sender_addr=$(cast to-bytes32 "$SENDER_ADDRESS")
+    local recipient_addr=$(cast to-bytes32 "$RECIPIENT_ADDRESS")
+    local counterpart_addr=$(cast to-bytes32 "$counterpart")
+    local input_token=$(cast to-bytes32 "$input_token_addr")
+    local output_token=$(cast to-bytes32 "$output_token_addr")
+    local min_amount_out=$((amount * 90 / 100)) # Match Solidity: 90%
+    # Validate sender address matches private key
+    local derived_sender=$(cast wallet address --private-key "$PRIVATE_KEY")
+    if [[ "$derived_sender" != "$SENDER_ADDRESS" ]]; then
+        echo "❌ Error: SENDER_ADDRESS ($SENDER_ADDRESS) does not match address derived from PRIVATE_KEY ($derived_sender)" >&2
+        return 1
+    fi
+    # Validate counterpart address matches contract's counterpart
+    local contract_counterpart
+    if [[ $origin_domain -eq $DOMAIN_BASE ]]; then
+        contract_counterpart=$(cast call "$PROXY_BASE" "counterpart()(address)" --rpc-url "$RPC_BASE" 2>/dev/null)
+    else
+        contract_counterpart=$(cast call "$PROXY_ARB" "counterpart()(address)" --rpc-url "$RPC_ARB" 2>/dev/null)
+    fi
+    if [[ "$contract_counterpart" != "$counterpart" ]]; then
+        echo "❌ Error: Counterpart ($counterpart) does not match contract's counterpart ($contract_counterpart) on origin $origin_domain" >&2
+        return 1
+    fi
+    # Encode fields in the correct order per OrderData struct
+    local args=(
+        "$sender_addr"           # bytes32 sender
+        "$recipient_addr"        # bytes32 recipient
+        "$input_token"           # bytes32 inputToken
+        "$output_token"          # bytes32 outputToken
+        "$amount"                # uint256 amountIn
+        "$min_amount_out"        # uint256 minAmountOut
+        "$nonce"                 # uint256 senderNonce
+        "$origin_domain"         # uint32 originDomain
+        "$dest_domain"           # uint32 destinationDomain
+        "$counterpart_addr"      # bytes32 destinationSettler
+        "$FILL_DEADLINE"         # uint32 fillDeadline
+        "true"                   # bool closedAuction
+        "0x"                     # bytes data
+    )
+    for i in "${!args[@]}"; do
+        if [[ -z "${args[$i]}" ]]; then
+            echo "❌ Error: Argument $((i+1)) is empty or invalid" >&2
+            return 1
+        fi
+    done
+    echo "🔍 Encoding arguments: ${args[*]}" >&2
+    # ABI-encode with the correct type string
+    local encoded=$(cast abi-encode "encode(bytes32,bytes32,bytes32,bytes32,uint256,uint256,uint256,uint32,uint32,bytes32,uint32,bool,bytes)" "${args[@]}" 2>/dev/null)
+    if [[ $? -ne 0 ]]; then
+        echo "❌ Error: Failed to ABI encode arguments: ${args[*]}" >&2
+        return 1
+    fi
+    # Validate hex string
+    if [[ ! "$encoded" =~ ^0x[0-9a-fA-F]*$ ]]; then
+        echo "❌ Error: Invalid hex string in ORDER_DATA: $encoded" >&2
+        return 1
+    fi
+    local hex_length=${#encoded}
+    echo "🔍 ORDER_DATA length: $((hex_length - 2)) bytes" >&2
+    echo "$encoded"
+    return 0
+}
+# Get random uint32 nonce
+get_valid_nonce() {
+    # Try od first
+    local nonce=$(od -An -tu4 -N4 /dev/urandom 2>/dev/null)
+    if [[ -z "$nonce" || ! "$nonce" =~ ^[0-9]+$ || "$nonce" -gt 4294967295 ]]; then
+        echo "⚠️ od failed, falling back to RANDOM" >&2
+        # Fallback to RANDOM
+        nonce=$(( ($RANDOM << 16) + $RANDOM ))
+        if [[ -z "$nonce" || ! "$nonce" =~ ^[0-9]+$ || "$nonce" -gt 4294967295 ]]; then
+            echo "❌ Failed to generate random nonce with RANDOM" >&2
+            return 1
+        fi
+    fi
+    echo "🔍 Using random nonce: $nonce" >&2
+    echo "$nonce"
+    return 0
+}
+# MAIN SCRIPT
+NUM_TXS="$1"
+if [[ -z "$NUM_TXS" || ! "$NUM_TXS" =~ ^[0-9]+$ || "$NUM_TXS" -le 0 ]]; then
+    echo "❌ Error: NUM_TXS must be a positive integer (got '$NUM_TXS')" >&2
+    exit 1
+fi
+INTERVAL="${2:-0}" # Default: 0 (all at once)
+if [[ ! "$INTERVAL" =~ ^[0-9]+$ ]]; then
+    echo "❌ Error: INTERVAL must be a non-negative integer (got '$INTERVAL')" >&2
+    exit 1
+fi
+echo "🚀 Starting $NUM_TXS transactions (interval: ${INTERVAL}s)"
+echo " Base: RPC $RPC_BASE | Proxy $PROXY_BASE | Counterpart $COUNTERPART_BASE | Domain $DOMAIN_BASE"
+echo " Arb: RPC $RPC_ARB | Proxy $PROXY_ARB | Counterpart $COUNTERPART_ARB | Domain $DOMAIN_ARB"
+echo " Sender: $SENDER_ADDRESS"
+echo "================================================================"
+# Validate asset arrays
+if [[ ${#ASSET_NAMES[@]} -eq 0 || ${#ASSET_NAMES[@]} -ne ${#ASSET_AMOUNTS[@]} || ${#ASSET_NAMES[@]} -ne ${#ASSET_DECIMALS[@]} ]]; then
+    echo "❌ Error: Asset arrays are misconfigured" >&2
+    exit 1
+fi
+echo "📋 Available assets: ${ASSET_NAMES[*]}"
+# Check sender's balances
+for chain in "BASE" "ARB"; do
+    RPC_VAR="RPC_$chain"
+    USDC_VAR="USDC_$chain"
+    WETH_VAR="WETH_$chain"
+    RPC="${!RPC_VAR}"
+    USDC="${!USDC_VAR}"
+    WETH="${!WETH_VAR}"
+    echo "🔍 Checking USDC balance for $SENDER_ADDRESS on $chain..."
+    USDC_BALANCE=$(cast call "$USDC" "balanceOf(address)(uint256)" "$SENDER_ADDRESS" --rpc-url "$RPC" 2>/dev/null | sed 's/ \[.*\]//')
+    if [[ $? -ne 0 || -z "$USDC_BALANCE" ]]; then
+        echo "⚠️ Failed to query USDC balance on $chain" >&2
+        continue
+    fi
+    USDC_REQUIRED_AMOUNT="1000" # 0.001 USDC
+    if [[ ! "$USDC_BALANCE" =~ ^[0-9]+$ || "$USDC_BALANCE" -lt "$USDC_REQUIRED_AMOUNT" ]]; then
+        echo "❌ Insufficient USDC balance on $chain: $USDC_BALANCE < $USDC_REQUIRED_AMOUNT" >&2
+        exit 1
+    fi
+    echo "✅ USDC balance on $chain: $USDC_BALANCE (sufficient)"
+    echo "🔍 Checking WETH balance for $SENDER_ADDRESS on $chain..."
+    WETH_BALANCE=$(cast call "$WETH" "balanceOf(address)(uint256)" "$SENDER_ADDRESS" --rpc-url "$RPC" 2>/dev/null | sed 's/ \[.*\]//')
+    if [[ $? -ne 0 || -z "$WETH_BALANCE" ]]; then
+        echo "⚠️ Failed to query WETH balance on $chain" >&2
+        continue
+    fi
+    WETH_REQUIRED_AMOUNT="400000000000" # 0.0000004 WETH
+    if [[ ! "$WETH_BALANCE" =~ ^[0-9]+$ || "$WETH_BALANCE" -lt "$WETH_REQUIRED_AMOUNT" ]]; then
+        echo "❌ Insufficient WETH balance on $chain: $WETH_BALANCE < $WETH_REQUIRED_AMOUNT" >&2
+        exit 1
+    fi
+    echo "✅ WETH balance on $chain: $WETH_BALANCE (sufficient)"
+done
+# Execute transactions
+for ((i=1; i<=NUM_TXS; i++)); do
+    # Randomly select direction (0: Base -> Arb, 1: Arb -> Base)
+    DIRECTION=$((RANDOM % 2))
+    if [[ $DIRECTION -eq 0 ]]; then
+        ORIGIN="BASE"
+        DEST="ARB"
+    else
+        ORIGIN="ARB"
+        DEST="BASE"
+    fi
+    RPC_VAR="RPC_$ORIGIN"
+    RPC="${!RPC_VAR}"
+    PROXY_VAR="PROXY_$ORIGIN"
+    PROXY="${!PROXY_VAR}"
+    DOMAIN_VAR="DOMAIN_$ORIGIN"
+    LOCAL_DOMAIN="${!DOMAIN_VAR}"
+    DEST_DOMAIN_VAR="DOMAIN_$DEST"
+    DEST_DOMAIN="${!DEST_DOMAIN_VAR}"
+    COUNTERPART_VAR="COUNTERPART_$ORIGIN"
+    COUNTERPART="${!COUNTERPART_VAR}"
+    # Randomly select asset
+    RANDOM_INDEX=$((RANDOM % ${#ASSET_NAMES[@]}))
+    ASSET="${ASSET_NAMES[$RANDOM_INDEX]}"
+    AMOUNT="${ASSET_AMOUNTS[$RANDOM_INDEX]}"
+    DECIMALS="${ASSET_DECIMALS[$RANDOM_INDEX]}"
+    # Approve ERC20 token for the selected asset on the origin chain
+    TOKEN_ADDR_VAR="${ASSET}_$ORIGIN"
+    TOKEN_ADDR="${!TOKEN_ADDR_VAR}"
+    if [[ -z "$TOKEN_ADDR" ]]; then
+        echo "❌ Error: Token address for $ASSET on $ORIGIN is not set" >&2
+        continue
+    fi
+    echo "✅ Approving $ASSET ($TOKEN_ADDR) for $AMOUNT on $ORIGIN..."
+    cast send "$TOKEN_ADDR" "approve(address,uint256)" "$PROXY" "$AMOUNT" \
+        --rpc-url "$RPC" --private-key "$PRIVATE_KEY" --gas-limit 100000 2>/dev/null || {
+        echo "⚠️ Approval for $ASSET on $ORIGIN failed (may already be approved or insufficient balance)" >&2
+    }
+    # Try transaction with up to 3 nonce attempts
+    nonce_attempts=0
+    max_nonce_attempts=3
+    while [[ $nonce_attempts -lt $max_nonce_attempts ]]; do
+        # Get random nonce
+        NONCE=$(get_valid_nonce)
+        if [[ $? -ne 0 ]]; then
+            echo "❌ Skipping TX #$i due to nonce query failure" >&2
+            break
+        fi
+        echo "📜 Using nonce: $NONCE on $ORIGIN (attempt $((nonce_attempts + 1))/$max_nonce_attempts)"
+        # Encode order
+        ORDER_DATA=$(encode_order_data "$ASSET" "$AMOUNT" "$DECIMALS" "$LOCAL_DOMAIN" "$DEST_DOMAIN" "$COUNTERPART" "$NONCE")
+        if [[ $? -ne 0 ]]; then
+            echo "❌ Skipping TX #$i due to order encoding failure" >&2
+            break
+        fi
+        # Construct the STRUCT tuple as a string
+        STRUCT="($FILL_DEADLINE,$ORDER_DATA_TYPE,$ORDER_DATA)"
+        echo "🔍 Struct: $STRUCT" >&2
+        echo ""
+        echo "📦 TX #$i/$NUM_TXS | Direction: $ORIGIN -> $DEST | Asset: $ASSET | Amount: $AMOUNT | Nonce: $NONCE"
+        # ERC20 transaction (USDC or WETH)
+        TX_RESULT=$(cast send "$PROXY" "open((uint32,bytes32,bytes))" "$STRUCT" \
+            --rpc-url "$RPC" --private-key "$PRIVATE_KEY" --gas-limit 500000 2>&1)
+        if [[ $? -eq 0 ]]; then
+            echo "✅ TX #$i submitted!"
+            break
+        else
+            echo "❌ TX #$i failed: $TX_RESULT" >&2
+            nonce_attempts=$((nonce_attempts + 1))
+            if [[ $nonce_attempts -eq $max_nonce_attempts ]]; then
+                echo "❌ Skipping TX #$i after $max_nonce_attempts failed attempts" >&2
+                break
+            fi
+            echo "⚠️ Retrying with new nonce..." >&2
+        fi
+    done
+    # Wait interval (skip for last tx)
+    if [[ $i -lt $NUM_TXS && $INTERVAL -gt 0 ]]; then
+        echo "⏳ Waiting $INTERVAL seconds..."
+        sleep "$INTERVAL"
+    fi
+done
+echo ""
+echo "🎉 Completed $NUM_TXS transactions!"
\ No newline at end of file