fix: Push3 evolution: fitness scoring wrapper (transpile → deploy → attack → score) (#545)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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openhands
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tools/push3-evolution/fitness.sh
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280
tools/push3-evolution/fitness.sh
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#!/usr/bin/env bash
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# =============================================================================
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# fitness.sh — Push3 optimizer fitness scoring wrapper
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#
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# Pipeline: Push3 candidate → transpile → compile → deploy/upgrade → attack ×N → score
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#
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# Usage:
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# ./tools/push3-evolution/fitness.sh <candidate.push3>
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#
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# Output:
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# Single integer on stdout — total lm_eth_total across all attacks (wei).
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#
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# Exit codes:
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# 0 Success — score printed to stdout.
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# 1 Invalid candidate — Push3 program won't transpile, compile, or deploy.
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# 2 Infra error — Anvil unavailable, missing tool, bootstrap failure.
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# =============================================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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ONCHAIN_DIR="$REPO_ROOT/onchain"
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ATTACKS_DIR="$ONCHAIN_DIR/script/backtesting/attacks"
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RPC_URL="http://localhost:8545"
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# Standard Anvil test accounts (deterministic mnemonic)
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MNEMONIC="test test test test test test test test test test test junk"
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# Account 2 — recenter caller
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RECENTER_PK="0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a"
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# Account 8 — adversary (used to fund LM with WETH)
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ADV_PK="0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97"
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# WETH address on the local Anvil Base fork
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WETH="0x4200000000000000000000000000000000000006"
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# =============================================================================
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# Argument parsing
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# =============================================================================
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if [ $# -ne 1 ]; then
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echo "Usage: $0 <candidate.push3>" >&2
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exit 2
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fi
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PUSH3_FILE="$1"
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if [ ! -f "$PUSH3_FILE" ]; then
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echo "Error: File not found: $PUSH3_FILE" >&2
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exit 1
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fi
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# Canonicalise so relative paths work after cwd changes.
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PUSH3_FILE="$(cd "$(dirname "$PUSH3_FILE")" && pwd)/$(basename "$PUSH3_FILE")"
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# =============================================================================
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# Helpers
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# =============================================================================
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log() { echo " [fitness] $*" >&2; }
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fail1() { echo " [invalid] $*" >&2; exit 1; }
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fail2() { echo " [infra] $*" >&2; exit 2; }
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# =============================================================================
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# Tool check
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# =============================================================================
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for _tool in forge cast anvil python3; do
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command -v "$_tool" &>/dev/null || fail2 "$_tool not found in PATH"
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done
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# =============================================================================
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# Cleanup
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# =============================================================================
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ANVIL_PID=""
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WORK_DIR="$(mktemp -d)"
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cleanup() {
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[ -n "$ANVIL_PID" ] && kill "$ANVIL_PID" 2>/dev/null || true
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rm -rf "$WORK_DIR"
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}
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trap cleanup EXIT
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# =============================================================================
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# Step 0 — Start Anvil (if not already running)
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# =============================================================================
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if cast chain-id --rpc-url "$RPC_URL" >/dev/null 2>&1; then
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log "Anvil already running at $RPC_URL"
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else
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anvil --silent \
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--mnemonic "$MNEMONIC" \
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--port 8545 &
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ANVIL_PID=$!
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TRIES=0
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until cast chain-id --rpc-url "$RPC_URL" >/dev/null 2>&1; do
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TRIES=$((TRIES + 1))
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[ $TRIES -gt 50 ] && fail2 "Anvil did not start within 50 attempts"
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sleep 0.2
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done
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log "Anvil started (PID $ANVIL_PID)"
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fi
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# =============================================================================
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# Steps 1–3 — Transpile → compile → deploy fresh stack → UUPS upgrade
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#
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# deploy-optimizer.sh handles the full pipeline. With no OPTIMIZER_PROXY set it
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# also runs DeployLocal.sol to produce the initial stack.
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#
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# Exit codes from deploy-optimizer.sh all map to exit 1 (invalid candidate)
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# because transpile / compile / round-trip failures are candidate issues.
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# =============================================================================
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log "Running deploy-optimizer.sh (transpile → compile → deploy → upgrade)…"
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DEPLOY_LOG="$WORK_DIR/deploy.log"
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DEPLOY_EC=0
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"$REPO_ROOT/tools/deploy-optimizer.sh" "$PUSH3_FILE" >"$DEPLOY_LOG" 2>&1 || DEPLOY_EC=$?
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if [ "$DEPLOY_EC" -ne 0 ]; then
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# Surface the deploy log so operators can diagnose candidate failures.
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cat "$DEPLOY_LOG" >&2
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fail1 "deploy-optimizer.sh failed (exit $DEPLOY_EC)"
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fi
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log "Optimizer deployed and upgraded"
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# =============================================================================
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# Step 4 — Read deployment addresses
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#
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# DeployLocal.sol writes to onchain/deployments-local.json; addresses are
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# deterministic for a fresh Anvil + standard mnemonic.
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# =============================================================================
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DEPLOYMENTS="$ONCHAIN_DIR/deployments-local.json"
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[ -f "$DEPLOYMENTS" ] || fail2 "deployments-local.json not found — did DeployLocal.sol run?"
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LM_ADDR=$(python3 -c "
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import json
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d = json.load(open('$DEPLOYMENTS'))
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print(d['contracts']['LiquidityManager'])
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" 2>/dev/null) || fail2 "Failed to read LiquidityManager from deployments-local.json"
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[ -n "$LM_ADDR" ] || fail2 "LiquidityManager address is empty in deployments-local.json"
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log "LiquidityManager: $LM_ADDR"
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# =============================================================================
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# Step 5 — Bootstrap LM state
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#
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# a. Grant recenterAccess to the standard Anvil account 2 (impersonate feeDestination).
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# b. Fund LM with 1000 WETH from the adversary account (account 8).
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# c. Call recenter() to deploy the capital into Uniswap positions so attacks
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# have something meaningful to work against. The LM needs at least some
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# TWAP history; mine blocks and retry until recenter succeeds.
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# =============================================================================
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RECENTER_ADDR=$(cast wallet address --private-key "$RECENTER_PK")
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FEE_DEST=$(cast call "$LM_ADDR" "feeDestination()(address)" \
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--rpc-url "$RPC_URL" 2>/dev/null | sed 's/\[.*//;s/[[:space:]]//g') \
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|| fail2 "Failed to read feeDestination() from LM"
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log "Granting recenterAccess to $RECENTER_ADDR (via feeDestination $FEE_DEST)"
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cast rpc --rpc-url "$RPC_URL" anvil_impersonateAccount "$FEE_DEST" >/dev/null
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cast send --rpc-url "$RPC_URL" --from "$FEE_DEST" --unlocked \
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"$LM_ADDR" "setRecenterAccess(address)" "$RECENTER_ADDR" >/dev/null 2>&1 \
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|| fail2 "setRecenterAccess failed"
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cast rpc --rpc-url "$RPC_URL" anvil_stopImpersonatingAccount "$FEE_DEST" >/dev/null
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log "Funding LM with 1000 WETH"
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cast send "$WETH" "deposit()" --value 1000ether \
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--private-key "$ADV_PK" --rpc-url "$RPC_URL" >/dev/null 2>&1 \
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|| fail2 "Failed to wrap ETH to WETH"
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cast send "$WETH" "transfer(address,uint256)" "$LM_ADDR" 1000000000000000000000 \
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--private-key "$ADV_PK" --rpc-url "$RPC_URL" >/dev/null 2>&1 \
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|| fail2 "Failed to transfer WETH to LM"
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log "Initial recenter — deploying capital into positions"
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RECENTERED=false
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for _attempt in 1 2 3 4; do
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# Mine 50 blocks each attempt to accumulate TWAP history.
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for _b in $(seq 1 50); do
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cast rpc evm_mine --rpc-url "$RPC_URL" >/dev/null 2>&1
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done
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if cast send "$LM_ADDR" "recenter()" \
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--private-key "$RECENTER_PK" --rpc-url "$RPC_URL" >/dev/null 2>&1; then
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RECENTERED=true
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break
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fi
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done
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if ! $RECENTERED; then
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log "WARNING: initial recenter did not succeed — attack scores may be lower than expected"
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fi
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# =============================================================================
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# Step 6 — Take base Anvil snapshot
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#
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# All attacks revert to this snapshot so they each start from the same state.
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# =============================================================================
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BASE_SNAP=$(cast rpc anvil_snapshot --rpc-url "$RPC_URL" | tr -d '"')
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log "Base snapshot: $BASE_SNAP"
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# =============================================================================
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# Steps 7–8 — Run each attack and accumulate lm_eth_total
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# =============================================================================
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TOTAL_ETH=0
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ATTACK_COUNT=0
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for ATTACK_JSONL in "$ATTACKS_DIR"/*.jsonl; do
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[ -f "$ATTACK_JSONL" ] || continue
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ATTACK_NAME="$(basename "$ATTACK_JSONL" .jsonl)"
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log "Running attack: $ATTACK_NAME"
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# a. Take per-attack snapshot (identical to base on first iteration;
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# on subsequent iterations the state is already back at base from the
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# previous revert).
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ATK_SNAP=$(cast rpc anvil_snapshot --rpc-url "$RPC_URL" | tr -d '"')
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# b. Run AttackRunner, capturing all output (console.log snapshots come via
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# stdout when using --broadcast; stderr carries compilation noise).
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ATK_OUT="$WORK_DIR/atk-${ATTACK_NAME}.txt"
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ATK_EC=0
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(
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cd "$ONCHAIN_DIR"
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ATTACK_FILE="$ATTACK_JSONL" \
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forge script script/backtesting/AttackRunner.s.sol \
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--rpc-url "$RPC_URL" --broadcast --no-color 2>&1
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) >"$ATK_OUT" || ATK_EC=$?
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if [ "$ATK_EC" -ne 0 ]; then
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log " WARNING: AttackRunner failed for $ATTACK_NAME (exit $ATK_EC) — skipping"
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cast rpc anvil_revert "$ATK_SNAP" --rpc-url "$RPC_URL" >/dev/null 2>&1 || true
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continue
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fi
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# c. Extract lm_eth_total from the final JSON snapshot.
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# Snapshot lines are emitted by console.log and start with '{'.
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ETH_RETAINED=$(python3 - "$ATK_OUT" <<'PYEOF'
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import sys, json
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snapshots = []
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with open(sys.argv[1]) as f:
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for line in f:
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line = line.strip()
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if line.startswith('{') and '"lm_eth_total"' in line:
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try:
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snapshots.append(json.loads(line))
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except json.JSONDecodeError:
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pass
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if snapshots:
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# lm_eth_total is a quoted integer string in the snapshot JSON.
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val = snapshots[-1]['lm_eth_total']
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print(int(val) if isinstance(val, str) else val)
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else:
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print(0)
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PYEOF
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)
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log " $ATTACK_NAME: lm_eth_total=$ETH_RETAINED"
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TOTAL_ETH=$(python3 -c "print(int('$TOTAL_ETH') + int('$ETH_RETAINED'))")
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ATTACK_COUNT=$((ATTACK_COUNT + 1))
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# d. Revert to per-attack snapshot — resets Anvil state to post-bootstrap
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# baseline so the next attack starts from the same conditions.
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cast rpc anvil_revert "$ATK_SNAP" --rpc-url "$RPC_URL" >/dev/null 2>&1 || true
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done
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# =============================================================================
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# Output
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# =============================================================================
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if [ "$ATTACK_COUNT" -eq 0 ]; then
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fail2 "No attacks ran — check $ATTACKS_DIR for *.jsonl files"
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fi
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log "Score: $TOTAL_ETH wei (sum of lm_eth_total across $ATTACK_COUNT attacks)"
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echo "$TOTAL_ETH"
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