op-challenger: Add script to list all games.

op-challenger/README.md

@@ -111,6 +111,17 @@ If the game is resolved successfully, the result is printed.
   These arguments must specify a way for `cast` to sign the transactions.
   See `cast send --help` for supported options.
 
+### [list_games.sh](scripts/list_games.sh)
+
+```shell
+./scripts/list_games.sh <RPC> <GAME_FACTORY_ADDRESS>
+```
+
+Prints the games created by the game factory along with their current status.
+
+* `RPC_URL` - the RPC endpoint of the L1 endpoint to use (e.g. `http://localhost:8545`).
+* `GAME_FACTORY_ADDRESS` - the address of the dispute game factory contract on L1.
+
 ### [list_claims.sh](scripts/list_claims.sh)
 
 ```shell

op-challenger/scripts/list_games.sh

+#!/usr/bin/env bash
+
+set -euo pipefail
+
+RPC=${1:?Must specify RPC address}
+FACTORY_ADDR=${2:?Must specify dispute game factory address}
+
+COUNT=$(cast call --rpc-url "${RPC}" "${FACTORY_ADDR}" 'gameCount() returns(uint256)')
+echo "Game count: ${COUNT}"
+if [[ "${COUNT}" == "0" ]]
+then
+  exit
+fi
+((COUNT=COUNT-1))
+for i in $(seq 0 "${COUNT}")
+do
+  GAME=$(cast call --rpc-url "${RPC}" "${FACTORY_ADDR}" 'gameAtIndex(uint256) returns(uint8, uint64, address)' "${i}")
+
+  SAVEIFS=$IFS   # Save current IFS (Internal Field Separator)
+  IFS=$'\n'      # Change IFS to newline char
+  GAME=($GAME) # split the string into an array by the same name
+  IFS=$SAVEIFS   # Restore original IFS
+
+  GAME_ADDR="${GAME[2]}"
+  STATUS=$(cast call --rpc-url "${RPC}" "${GAME_ADDR}" "status() return(uint8)" | cast to-dec)
+  if [[ "${STATUS}" == "0" ]]
+  then
+    STATUS="In Progress"
+  elif [[ "${STATUS}" == "1" ]]
+  then
+    STATUS="Challenger Wins"
+  elif [[ "${STATUS}" == "2" ]]
+  then
+    STATUS="Defender Wins"
+  fi
+  echo "${i}  Game: ${GAME_ADDR} Type: ${GAME[0]} Created: ${GAME[1]} Status: ${STATUS}"
+done