Use existing L1 accounts for deployment if found (#7)

Part of [Create bridge channel in go-nitro](https://www.notion.so/Create-bridge-channel-in-go-nitro-22ce80a0d8ae4edb80020a8f250ea270)
- Use existing accounts from a volume if present instead of creating new accounts and funding them

Reviewed-on: #7
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

config/fixturenet-optimism/optimism-contracts/deploy-contracts.sh

@@ -50,58 +50,78 @@ wait_for_block() {
 }
 
 # We need four accounts and their private keys for the deployment: Admin, Proposer, Batcher, and Sequencer
-# If $CERC_L1_ADDRESS and $CERC_L1_PRIV_KEY have been set, we'll assign it to Admin and generate/fund the remaining three accounts from it
-# If not, we'll assume the L1 is the stack's own fixturenet-eth and use the pre-funded accounts/keys from $CERC_L1_ACCOUNTS_CSV_URL
-if [ -n "$CERC_L1_ADDRESS" ] && [ -n "$CERC_L1_PRIV_KEY" ]; then
-  wallet1=$(cast wallet new)
-  wallet2=$(cast wallet new)
-  wallet3=$(cast wallet new)
-  # Admin
-  ADMIN=$CERC_L1_ADDRESS
-  ADMIN_KEY=$CERC_L1_PRIV_KEY
-  # Proposer
-  PROPOSER=$(echo "$wallet1" | awk '/Address:/{print $2}')
-  PROPOSER_KEY=$(echo "$wallet1" | awk '/Private key:/{print $3}')
-  # Batcher
-  BATCHER=$(echo "$wallet2" | awk '/Address:/{print $2}')
-  BATCHER_KEY=$(echo "$wallet2" | awk '/Private key:/{print $3}')
-  # Sequencer
-  SEQ=$(echo "$wallet3" | awk '/Address:/{print $2}')
-  SEQ_KEY=$(echo "$wallet3" | awk '/Private key:/{print $3}')
+# Check if accounts file already exists
+l2_accounts_file="/l2-accounts/accounts.json"
+if [ -f $l2_accounts_file ]; then
+  echo "Using existing accounts from $l2_accounts_file."
 
-  echo "Funding accounts."
-  wait_for_block 1 300
-  cast send --from $ADMIN --rpc-url $CERC_L1_RPC --value $CERC_PROPOSER_AMOUNT $PROPOSER --private-key $ADMIN_KEY
-  cast send --from $ADMIN --rpc-url $CERC_L1_RPC --value $CERC_BATCHER_AMOUNT $BATCHER --private-key $ADMIN_KEY
-else
-  curl -o accounts.csv $CERC_L1_ACCOUNTS_CSV_URL
-  # Admin
-  ADMIN=$(awk -F ',' 'NR == 1 {print $2}' accounts.csv)
-  ADMIN_KEY=$(awk -F ',' 'NR == 1 {print $3}' accounts.csv)
+  ADMIN=$(jq -r .Admin $l2_accounts_file)
+  ADMIN_KEY=$(jq -r .AdminKey $l2_accounts_file)
   # Proposer
-  PROPOSER=$(awk -F ',' 'NR == 2 {print $2}' accounts.csv)
-  PROPOSER_KEY=$(awk -F ',' 'NR == 2 {print $3}' accounts.csv)
+  PROPOSER=$(jq -r .Proposer $l2_accounts_file)
+  PROPOSER_KEY=$(jq -r .ProposerKey $l2_accounts_file)
   # Batcher
-  BATCHER=$(awk -F ',' 'NR == 3 {print $2}' accounts.csv)
-  BATCHER_KEY=$(awk -F ',' 'NR == 3 {print $3}' accounts.csv)
+  BATCHER=$(jq -r .Batcher $l2_accounts_file)
+  BATCHER_KEY=$(jq -r .BatcherKey $l2_accounts_file)
   # Sequencer
-  SEQ=$(awk -F ',' 'NR == 4 {print $2}' accounts.csv)
-  SEQ_KEY=$(awk -F ',' 'NR == 4 {print $3}' accounts.csv)
+  SEQ=$(jq -r .Seq $l2_accounts_file)
+  SEQ_KEY=$(jq -r .SeqKey $l2_accounts_file)
+else
+  # If $CERC_L1_ADDRESS and $CERC_L1_PRIV_KEY have been set, we'll assign it to Admin and generate/fund the remaining three accounts from it
+  # If not, we'll assume the L1 is the stack's own fixturenet-eth and use the pre-funded accounts/keys from $CERC_L1_ACCOUNTS_CSV_URL
+
+  if [ -n "$CERC_L1_ADDRESS" ] && [ -n "$CERC_L1_PRIV_KEY" ]; then
+    echo "Creating new accounts for Optimism deployment."
+    wallet1=$(cast wallet new)
+    wallet2=$(cast wallet new)
+    wallet3=$(cast wallet new)
+    # Admin
+    ADMIN=$CERC_L1_ADDRESS
+    ADMIN_KEY=$CERC_L1_PRIV_KEY
+    # Proposer
+    PROPOSER=$(echo "$wallet1" | awk '/Address:/{print $2}')
+    PROPOSER_KEY=$(echo "$wallet1" | awk '/Private key:/{print $3}')
+    # Batcher
+    BATCHER=$(echo "$wallet2" | awk '/Address:/{print $2}')
+    BATCHER_KEY=$(echo "$wallet2" | awk '/Private key:/{print $3}')
+    # Sequencer
+    SEQ=$(echo "$wallet3" | awk '/Address:/{print $2}')
+    SEQ_KEY=$(echo "$wallet3" | awk '/Private key:/{print $3}')
+
+    echo "Funding accounts..."
+    wait_for_block 1 300
+    cast send --from $ADMIN --rpc-url $CERC_L1_RPC --value $CERC_PROPOSER_AMOUNT $PROPOSER --private-key $ADMIN_KEY
+    cast send --from $ADMIN --rpc-url $CERC_L1_RPC --value $CERC_BATCHER_AMOUNT $BATCHER --private-key $ADMIN_KEY
+  else
+    curl -o accounts.csv $CERC_L1_ACCOUNTS_CSV_URL
+    # Admin
+    ADMIN=$(awk -F ',' 'NR == 1 {print $2}' accounts.csv)
+    ADMIN_KEY=$(awk -F ',' 'NR == 1 {print $3}' accounts.csv)
+    # Proposer
+    PROPOSER=$(awk -F ',' 'NR == 2 {print $2}' accounts.csv)
+    PROPOSER_KEY=$(awk -F ',' 'NR == 2 {print $3}' accounts.csv)
+    # Batcher
+    BATCHER=$(awk -F ',' 'NR == 3 {print $2}' accounts.csv)
+    BATCHER_KEY=$(awk -F ',' 'NR == 3 {print $3}' accounts.csv)
+    # Sequencer
+    SEQ=$(awk -F ',' 'NR == 4 {print $2}' accounts.csv)
+    SEQ_KEY=$(awk -F ',' 'NR == 4 {print $3}' accounts.csv)
+  fi
+
+  # These accounts will be needed by other containers, so write them to a shared volume
+  echo "Writing accounts/private keys to volume l2_accounts."
+  accounts_json=$(jq -n \
+    --arg Admin "$ADMIN" --arg AdminKey "$ADMIN_KEY" \
+    --arg Proposer "$PROPOSER" --arg ProposerKey "$PROPOSER_KEY" \
+    --arg Batcher "$BATCHER" --arg BatcherKey "$BATCHER_KEY" \
+    --arg Seq "$SEQ" --arg SeqKey "$SEQ_KEY" \
+    '{Admin: $Admin, AdminKey: $AdminKey, Proposer: $Proposer, ProposerKey: $ProposerKey, Batcher: $Batcher, BatcherKey: $BatcherKey, Seq: $Seq, SeqKey: $SeqKey}')
+  echo "$accounts_json" > $l2_accounts_file
 fi
 
 echo "Using accounts:"
 echo -e "Admin: $ADMIN\nProposer: $PROPOSER\nBatcher: $BATCHER\nSequencer: $SEQ"
 
-# These accounts will be needed by other containers, so write them to a shared volume
-echo "Writing accounts/private keys to volume l2_accounts."
-accounts_json=$(jq -n \
-  --arg Admin "$ADMIN" --arg AdminKey "$ADMIN_KEY" \
-  --arg Proposer "$PROPOSER" --arg ProposerKey "$PROPOSER_KEY" \
-  --arg Batcher "$BATCHER" --arg BatcherKey "$BATCHER_KEY" \
-  --arg Seq "$SEQ" --arg SeqKey "$SEQ_KEY" \
-  '{Admin: $Admin, AdminKey: $AdminKey, Proposer: $Proposer, ProposerKey: $ProposerKey, Batcher: $Batcher, BatcherKey: $BatcherKey, Seq: $Seq, SeqKey: $SeqKey}')
-echo "$accounts_json" > "/l2-accounts/accounts.json"
-
 # Get a finalized L1 block to set as the starting point for the L2 deployment
 # If the chain is a freshly created fixturenet-eth, a finalized block won't be available for many minutes; rather than wait, we can use block 1
 echo "Checking L1 for finalized block..."
@@ -165,7 +185,7 @@ echo "Done deploying contracts."
 echo "Generating L2 genesis allocs..."
 L2_CHAIN_ID=$(jq ".l2ChainID" $deploy_config_file)
 DEPLOY_CONFIG_PATH=$deploy_config_file \
-CONTRACT_ADDRESSES_PATH=deployments/$DEPLOYMENT_CONTEXT-deploy.json \
+CONTRACT_ADDRESSES_PATH="deployments/$DEPLOYMENT_CONTEXT-deploy.json" \
 forge script --chain-id $L2_CHAIN_ID scripts/L2Genesis.s.sol:L2Genesis --sig 'runWithAllUpgrades()' --private-key $ADMIN_KEY
 
 cp /app/packages/contracts-bedrock/state-dump-$L2_CHAIN_ID.json allocs-l2.json
@@ -173,7 +193,7 @@ echo "Done."
 echo "*************************************"
 
 # Copy files needed by other containers to the appropriate shared volumes
-echo "Copying deployment artifacts volume l1_deployment and deploy-config to volume l2_config"
+echo "Copying deployment artifacts to volume l1_deployment and deploy-config to volume l2_config"
 cp /app/packages/contracts-bedrock/deployments/$DEPLOYMENT_CONTEXT-deploy.json /l1-deployment
 cp /app/packages/contracts-bedrock/deploy-config/$DEPLOYMENT_CONTEXT.json /l2-config
 cp allocs-l2.json /l2-config