a2beda3db4
Align remaining shell scripts with shared env loading (no direct .env source). Made-with: Cursor
163 lines
5.3 KiB
Bash
Executable File
163 lines
5.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Compare local WETH9 with standard WETH9 implementation
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# Checks function signatures and behavior
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# Usage: ./compare-weth9-standard.sh
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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 "$SCRIPT_DIR/.." && pwd)"
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source "$PROJECT_ROOT/scripts/lib/address-inventory.sh"
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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} $1"; }
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load_explorer_runtime_env
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# Configuration
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RPC_URL="${RPC_URL_138:-http://192.168.11.250:8545}"
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WETH9_ADDRESS="$(resolve_address_value WETH9_ADDRESS WETH9_ADDRESS 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2)"
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STANDARD_WETH9_MAINNET="0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2" # Same address on Ethereum mainnet
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log_info "========================================="
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log_info "WETH9 Standard Comparison"
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log_info "========================================="
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log_info ""
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# Standard WETH9 function signatures
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declare -A STANDARD_FUNCTIONS=(
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["deposit()"]="0xd0e30db0"
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["withdraw(uint256)"]="0x2e1a7d4d"
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["totalSupply()"]="0x18160ddd"
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["balanceOf(address)"]="0x70a08231"
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["transfer(address,uint256)"]="0xa9059cbb"
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["transferFrom(address,address,uint256)"]="0x23b872dd"
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["approve(address,uint256)"]="0x095ea7b3"
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["allowance(address,address)"]="0xdd62ed3e"
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)
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log_info "Local WETH9 Address: $WETH9_ADDRESS"
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log_info "Standard WETH9 (Ethereum Mainnet): $STANDARD_WETH9_MAINNET"
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log_info ""
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# Get local contract bytecode
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log_info "Step 1: Fetching local contract bytecode..."
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LOCAL_BYTECODE=$(cast code "$WETH9_ADDRESS" --rpc-url "$RPC_URL" 2>/dev/null || echo "")
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if [ -z "$LOCAL_BYTECODE" ] || [ "$LOCAL_BYTECODE" = "0x" ]; then
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log_error "Failed to fetch local contract bytecode"
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exit 1
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fi
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LOCAL_BYTECODE_LENGTH=$(echo -n "$LOCAL_BYTECODE" | wc -c)
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log_success "✓ Local bytecode fetched ($LOCAL_BYTECODE_LENGTH chars)"
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log_info ""
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# Check function signatures
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log_info "Step 2: Checking function signatures..."
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log_info ""
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MATCHES=0
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MISSING=0
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for func_name in "${!STANDARD_FUNCTIONS[@]}"; do
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sig="${STANDARD_FUNCTIONS[$func_name]}"
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if echo "$LOCAL_BYTECODE" | grep -qi "$sig"; then
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log_success "✓ $func_name ($sig) - Found"
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((MATCHES++)) || true
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else
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log_warn "⚠ $func_name ($sig) - Not found"
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((MISSING++)) || true
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fi
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done
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log_info ""
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log_info "Function Signature Check:"
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log_info " Matches: $MATCHES"
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log_info " Missing: $MISSING"
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if [ $MISSING -eq 0 ]; then
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log_success "✓ All standard function signatures found"
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else
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log_warn "⚠ Some standard function signatures are missing"
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fi
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log_info ""
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# Check contract behavior
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log_info "Step 3: Checking contract behavior..."
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# Check totalSupply and contract balance
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TOTAL_SUPPLY=$(cast call "$WETH9_ADDRESS" "totalSupply()" --rpc-url "$RPC_URL" 2>/dev/null || echo "0")
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CONTRACT_BALANCE=$(cast balance "$WETH9_ADDRESS" --rpc-url "$RPC_URL" 2>/dev/null || echo "0")
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if [ "$TOTAL_SUPPLY" = "$CONTRACT_BALANCE" ]; then
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log_success "✓ Contract balance = Total supply (1:1 backing maintained)"
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else
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log_error "✗ Contract balance ≠ Total supply (backing mismatch)"
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log_error " This is NOT standard WETH9 behavior"
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fi
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log_info ""
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# Check decimals
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log_info "Step 4: Checking decimals() function..."
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DECIMALS=$(cast call "$WETH9_ADDRESS" "decimals()" --rpc-url "$RPC_URL" 2>/dev/null || echo "ERROR")
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if [ "$DECIMALS" != "ERROR" ]; then
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DECIMALS_DEC=$(cast --to-dec "$DECIMALS" 2>/dev/null || echo "N/A")
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if [ "$DECIMALS_DEC" = "18" ]; then
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log_success "✓ decimals() returns 18 (standard)"
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elif [ "$DECIMALS_DEC" = "0" ]; then
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log_warn "⚠ decimals() returns 0 (known WETH9 issue, not critical)"
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else
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log_warn "⚠ decimals() returns $DECIMALS_DEC (unexpected)"
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fi
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else
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log_warn "⚠ decimals() function not callable (may not exist)"
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fi
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log_info ""
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# Summary
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log_info "========================================="
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log_info "Comparison Summary"
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log_info "========================================="
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log_info ""
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if [ $MISSING -eq 0 ] && [ "$TOTAL_SUPPLY" = "$CONTRACT_BALANCE" ]; then
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log_success "✓ Contract appears to match standard WETH9 implementation"
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log_info ""
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log_info "However, to be certain:"
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log_info " 1. Run verification script: ./scripts/verify-weth9-ratio.sh"
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log_info " 2. Run test suite: ./scripts/test-weth9-deposit.sh"
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log_info " 3. Compare bytecode hash with known WETH9 implementations"
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else
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log_warn "⚠ Contract may differ from standard WETH9"
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log_info ""
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log_info "Differences found:"
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if [ $MISSING -gt 0 ]; then
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log_info " - Missing function signatures: $MISSING"
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fi
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if [ "$TOTAL_SUPPLY" != "$CONTRACT_BALANCE" ]; then
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log_info " - Backing mismatch (balance ≠ supply)"
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fi
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log_info ""
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log_info "Recommendations:"
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log_info " 1. Decompile bytecode for detailed analysis"
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log_info " 2. Test deposit() function with verification script"
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log_info " 3. Compare with canonical WETH9 source code"
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fi
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log_info ""
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log_info "For bytecode comparison:"
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log_info " cast code $WETH9_ADDRESS --rpc-url $RPC_URL > local_weth9.bin"
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log_info " Compare hash: cast keccak local_weth9.bin"
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