feat: add getting started config script

Adds a new script to contracts-bedrock that generates the deploy
config for the getting started network. Removes the getting started
config from the repository and avoids unnecessary work for the user
while following the guide.

packages/contracts-bedrock/.gitignore

@@ -26,3 +26,6 @@ deployments/1337
 
 # Devnet config which changes with each 'make devnet-up'
 deploy-config/devnetL1.json
+
+# Getting Started guide deploy config
+deploy-config/getting-started.json

packages/contracts-bedrock/deploy-config/getting-started.json → packages/contracts-bedrock/scripts/getting-started-config.sh

+#!/usr/bin/env bash
+
+# This script is used to generate the getting-started.json configuration file
+# used in the Getting Started quickstart guide on the docs site. Avoids the
+# need to have the getting-started.json committed to the repo since it's an
+# invalid JSON file when not filled in, which is annoying.
+
+reqenv() {
+  local var_name="$1"
+  local var_value="${!var_name}"
+  if [ -z "$var_value" ]; then
+    echo "Error: environment variable $var_name is undefined"
+    exit 1
+  fi
+  echo "$var_value"
+}
+
+# Load required environment variables
+GS_ADMIN_ADDRESS=$(reqenv GS_ADMIN_ADDRESS)
+GS_BATCHER_ADDRESS=$(reqenv GS_BATCHER_ADDRESS)
+GS_PROPOSER_ADDRESS=$(reqenv GS_PROPOSER_ADDRESS)
+GS_SEQUENCER_ADDRESS=$(reqenv GS_SEQUENCER_ADDRESS)
+L1_RPC_URL=$(reqenv L1_RPC_URL)
+
+# Get the finalized block timestamp and hash
+block=$(cast block finalized --rpc-url $L1_RPC_URL)
+timestamp=$(echo "$block" | awk '/timestamp/ { print $2 }')
+blockhash=$(echo "$block" | awk '/hash/ { print $2 }')
+
+# Generate the config file
+config=$(cat << EOL
 {
-  "finalSystemOwner": "ADMIN",
-  "portalGuardian": "ADMIN",
+  "finalSystemOwner": "$GS_ADMIN_ADDRESS",
+  "portalGuardian": "$GS_ADMIN_ADDRESS",
 
-  "l1StartingBlockTag": "BLOCKHASH",
+  "l1StartingBlockTag": "$blockhash",
 
   "l1ChainID": 5,
   "l2ChainID": 42069,
@@ -13,23 +44,23 @@
   "sequencerWindowSize": 3600,
   "channelTimeout": 300,
 
-  "p2pSequencerAddress": "SEQUENCER",
+  "p2pSequencerAddress": "$GS_SEQUENCER_ADDRESS",
   "batchInboxAddress": "0xff00000000000000000000000000000000042069",
-  "batchSenderAddress": "BATCHER",
+  "batchSenderAddress": "$GS_BATCHER_ADDRESS",
 
   "l2OutputOracleSubmissionInterval": 120,
   "l2OutputOracleStartingBlockNumber": 0,
-  "l2OutputOracleStartingTimestamp": TIMESTAMP,
+  "l2OutputOracleStartingTimestamp": $timestamp,
 
-  "l2OutputOracleProposer": "PROPOSER",
-  "l2OutputOracleChallenger": "ADMIN",
+  "l2OutputOracleProposer": "$GS_PROPOSER_ADDRESS",
+  "l2OutputOracleChallenger": "$GS_ADMIN_ADDRESS",
 
   "finalizationPeriodSeconds": 12,
 
-  "proxyAdminOwner": "ADMIN",
-  "baseFeeVaultRecipient": "ADMIN",
-  "l1FeeVaultRecipient": "ADMIN",
-  "sequencerFeeVaultRecipient": "ADMIN",
+  "proxyAdminOwner": "$GS_ADMIN_ADDRESS",
+  "baseFeeVaultRecipient": "$GS_ADMIN_ADDRESS",
+  "l1FeeVaultRecipient": "$GS_ADMIN_ADDRESS",
+  "sequencerFeeVaultRecipient": "$GS_ADMIN_ADDRESS",
 
   "baseFeeVaultMinimumWithdrawalAmount": "0x8ac7230489e80000",
   "l1FeeVaultMinimumWithdrawalAmount": "0x8ac7230489e80000",
@@ -44,7 +75,7 @@
   "enableGovernance": true,
   "governanceTokenSymbol": "OP",
   "governanceTokenName": "Optimism",
-  "governanceTokenOwner": "ADMIN",
+  "governanceTokenOwner": "$GS_ADMIN_ADDRESS",
 
   "l2GenesisBlockGasLimit": "0x1c9c380",
   "l2GenesisBlockBaseFeePerGas": "0x3b9aca00",
@@ -59,3 +90,8 @@
   "requiredProtocolVersion": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "recommendedProtocolVersion": "0x0000000000000000000000000000000000000000000000000000000000000000"
 }
+EOL
+)
+
+# Write the config file
+echo "$config" > deploy-config/getting-started.json