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2026-03-02 11:37:34 -08:00

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Runbook: Deploy cW* and Wire Config

Created: 2026-02-27
Purpose: Steps to deploy cWUSDT/cWUSDC on a chain, set CW_BRIDGE_<CHAIN>, update token-mapping, and verify roles. Covers Phase D and E from CW_BRIDGE_TASK_LIST.md.

Prerequisites

  • smom-dbis-138/.env has CW_BRIDGE_<CHAIN> set (already done from deployed bridge suite for Mainnet, Cronos, BSC, Polygon, Gnosis, Avalanche, Base, Arbitrum, Optimism).
  • For cross-chain mint to work, the bridge at that address must either be extended to mint cW* in ccipReceive or you must deploy a dedicated cW* receiver (e.g. TwoWayTokenBridgeL2) and point CW_BRIDGE_<CHAIN> to it; see CW_BRIDGE_APPROACH.md.
  • RPC URL and PRIVATE_KEY for the target chain(s).

Phase D: Deploy cW* and wire config

One-command helper (from repo root):
./scripts/deployment/run-cw-remaining-steps.sh runs a dry-run and --update-mapping by default. Use --deploy to broadcast, then set CWUSDT_/CWUSDC_ in .env from output and run again with --update-mapping (or run --update-mapping after editing .env). Use --verify to check MINTER/BURNER roles per chain.

D1. Run cW* deploy

All supported chains:

cd smom-dbis-138
./scripts/deployment/deploy-tokens-and-weth-all-chains-skip-canonical.sh --deploy-cw

Or from repo root (runs same deploy, then can run update-mapping/verify):

./scripts/deployment/run-cw-remaining-steps.sh --deploy

Single chain (e.g. BSC 56):

cd smom-dbis-138
source .env
# Use the per-chain bridge; script will pick CW_BRIDGE_BSC when running for chain 56
CW_BRIDGE_ADDRESS="$CW_BRIDGE_BSC" forge script script/deploy/DeployCWTokens.s.sol:DeployCWTokens \
  --rpc-url "$BSC_RPC_URL" --chain-id 56 --broadcast --private-key "$PRIVATE_KEY" --legacy

Or with the wrapper (target one chain only if the script supports --chain 56):

./scripts/deployment/deploy-tokens-and-weth-all-chains-skip-canonical.sh --deploy-cw --chain 56

Record the printed addresses for cWUSDT and cWUSDC per chain.

D2. Set CWUSDT_ and CWUSDC_ in .env

Append or update in smom-dbis-138/.env (replace with actual addresses from D1 output):

# Example for BSC (56)
CWUSDT_BSC=0x...
CWUSDC_BSC=0x...

# Example for Polygon (137)
CWUSDT_POLYGON=0x...
CWUSDC_POLYGON=0x...

Use the chain suffix that matches the deploy script: MAINNET, CRONOS, BSC, POLYGON, GNOSIS, AVALANCHE, BASE, ARBITRUM, OPTIMISM.

D3. Update token-mapping-multichain.json

Automated: After setting CWUSDT_<CHAIN> and CWUSDC_<CHAIN> in smom-dbis-138/.env, run from repo root:

./scripts/deployment/run-cw-remaining-steps.sh --update-mapping

This updates config/token-mapping-multichain.json for all chains that have CWUSDT_*/CWUSDC_* in .env (138→chain pairs; Compliant_USDT_cW, Compliant_USDC_cW, and Compliant_EURC_cW if CWEURC_* is set).

Manual: For each chain where cW* was deployed, set addressTo for the _cW entries (replace the 0x0 placeholder) in config/token-mapping-multichain.json: Compliant_USDT_cW → CWUSDT_, Compliant_USDC_cW → CWUSDC_, Compliant_EURC_cW if cWEURC deployed.

D4. Verify on-chain

Confirm the bridge/receiver has MINTER_ROLE and BURNER_ROLE on the cW* token:

# MINTER_ROLE = keccak256("MINTER_ROLE")
cast keccak "MINTER_ROLE"
# Example: 0x...

# Check cWUSDT on BSC (replace addresses and rpc)
cast call <CWUSDT_BSC> "hasRole(bytes32,address)(bool)" $(cast keccak "MINTER_ROLE") $CW_BRIDGE_BSC --rpc-url $BSC_RPC_URL
cast call <CWUSDT_BSC> "hasRole(bytes32,address)(bool)" $(cast keccak "BURNER_ROLE") $CW_BRIDGE_BSC --rpc-url $BSC_RPC_URL

Both should return true.

Phase E: Relay and send path (138 → other chains)

E1. Relay service (138 → Mainnet)

If using the existing CCIPRelayBridge for cW* on Mainnet, that contract is WETH-only and must be extended (or a separate cW* receiver deployed and relay logic updated) so that when the relay sends a cUSDT/cUSDC message, the Mainnet receiver mints cWUSDT/cWUSDC. See RELAY_BRIDGE_ADD_LINK_SUPPORT_RUNBOOK.md for the pattern (token whitelist + transfer or mint in ccipReceive). Then:

  • Configure relay to send c* messages to the cW* receiver on Mainnet.
  • Ensure the receiver has MINTER_ROLE on cWUSDT/cWUSDC and holds or mints as designed.

E2. Direct CCIP (138 → chain)

If Chain 138 uses UniversalCCIPBridge or a dedicated sender to send c* to a destination chain:

  • Add destination config for the c* token with receiver = the cW* receiver on the destination (e.g. TwoWayTokenBridgeL2 address).
  • Ensure the receiver on the destination has MINTER_ROLE on the cW* token and implements ccipReceive → cW*.mint(recipient, amount) (see CW_BRIDGE_APPROACH.md).

E3. Test E2E

  1. On Chain 138: Lock or transfer cUSDT to the sender/bridge and trigger a send to the target chain (recipient = test address).
  2. Wait for CCIP execution on the destination chain.
  3. On the destination chain: Verify the recipient’s cWUSDT balance increased (e.g. cast call <CWUSDT_<CHAIN>> "balanceOf(address)(uint256)" <recipient> --rpc-url <RPC>).

New chain checklist (summary)

Step Action
1 Set CW_BRIDGE_<CHAIN> in .env (or use existing from bridge suite).
2 Run DeployCWTokens for that chain (D1).
3 Set CWUSDT_<CHAIN>, CWUSDC_<CHAIN> in .env (D2).
4 Update config/token-mapping-multichain.json addressTo for _cW entries (D3).
5 Verify MINTER_ROLE and BURNER_ROLE on cW* for the bridge (D4).
6 If cross-chain mint is required, ensure the bridge/receiver code mints cW* in ccipReceive (Phase B or C); then wire relay/direct CCIP (E1, E2) and run E2E test (E3).

Retry failed cW* deploys (Mainnet, Cronos, Arbitrum)

If the 10 remaining cW* (cWEURC..cWXAUT) failed on Mainnet (nonce), Cronos (RPC timeout), or Arbitrum (gas), use the steps below.

Mainnet (1) — fix nonce

Deployer nonce on Mainnet must match the RPC (error: nonce=256 maxNonce=253 means 3 pending txs are ahead of what the RPC has confirmed).

  1. Check nonce and balance:
    ./scripts/deployment/check-deployer-nonce-and-balance.sh

  2. Options:

    • Wait for pending transactions to confirm, then re-run the deploy.
    • Replace/cancel pending txs: send a 0-value transaction from the deployer to itself with the next expected nonce (e.g. 253) and higher gas so it replaces the stuck one; repeat until the queue is cleared.
    • Use the same wallet in another tool (e.g. MetaMask) and ensure no other process is sending from this account.

  3. Run deploy once nonce is aligned:

cd smom-dbis-138 && source .env
DEPLOY_CWUSDT=0 DEPLOY_CWUSDC=0 CW_BRIDGE_ADDRESS="$CW_BRIDGE_MAINNET" forge script script/deploy/DeployCWTokens.s.sol:DeployCWTokens \
  --rpc-url "${ETHEREUM_MAINNET_RPC}" --chain-id 1 --broadcast --private-key "$PRIVATE_KEY" --legacy -vvv

Add the printed CWEURC_MAINNET … CWXAUT_MAINNET to .env, then run ./scripts/deployment/run-cw-remaining-steps.sh --update-mapping.

Cronos (25) — retry when RPC is stable; fix nonce if needed

If you see invalid nonce; got X, expected Y, wait for pending txs to confirm or replace/cancel them (same idea as Mainnet). Check: ./scripts/deployment/check-deployer-nonce-and-balance.sh

cd smom-dbis-138 && source .env
DEPLOY_CWUSDT=0 DEPLOY_CWUSDC=0 CW_BRIDGE_ADDRESS="$CW_BRIDGE_CRONOS" forge script script/deploy/DeployCWTokens.s.sol:DeployCWTokens \
  --rpc-url "${CRONOS_RPC_URL}" --chain-id 25 --broadcast --private-key "$PRIVATE_KEY" --legacy -vvv

Then set CWEURC_CRONOS … CWXAUT_CRONOS in .env from the script output and run --update-mapping.

Arbitrum (42161) — use current gas; low gas price is enough

Arbitrum One gas is often ~0.02 Gwei; the 10-contract deploy then costs <0.001 ETH. If you see "max fee per gas less than block base fee", set ARBITRUM_GAS_PRICE slightly above base (e.g. 25000000 = 0.025 gwei). Only use 35 gwei if the network is congested. Run the deploy:

cd smom-dbis-138 && source .env
# Only if you see "max fee per gas less than block base fee" (check https://arbiscan.io/gastracker)
export ARBITRUM_GAS_PRICE=25000000
./scripts/deployment/deploy-tokens-and-weth-all-chains-skip-canonical.sh --deploy-cw --chain 42161

Or single-run without the script (use 25000000 = 0.025 gwei when gas is ~0.02 Gwei):

DEPLOY_CWUSDT=0 DEPLOY_CWUSDC=0 CW_BRIDGE_ADDRESS="$CW_BRIDGE_ARBITRUM" forge script script/deploy/DeployCWTokens.s.sol:DeployCWTokens \
  --rpc-url "${ARBITRUM_MAINNET_RPC}" --chain-id 42161 --broadcast --private-key "$PRIVATE_KEY" --legacy --with-gas-price 25000000 -vvv

Then set in .env (expected addresses from script when it runs):

  • CWEURC_ARBITRUM=0xd6969bC19b53f866C64f2148aE271B2Dae0C58E4
  • CWEURT_ARBITRUM=0x3CD9ee18db7ad13616FCC1c83bC6098e03968E66
  • CWGBPC_ARBITRUM=0xBeF5A0Bcc0E77740c910f197138cdD90F98d2427
  • CWGBPT_ARBITRUM=0x948690147D2e50ffe50C5d38C14125aD6a9FA036
  • CWAUDC_ARBITRUM=0x58a8D8F78F1B65c06dAd7542eC46b299629A60dd
  • CWJPYC_ARBITRUM=0xFb4B6Cc81211F7d886950158294A44C312abCA29
  • CWCHFC_ARBITRUM=0xf9f5D0ACD71C76F9476F10B3F3d3E201F0883C68
  • CWCADC_ARBITRUM=0xeE17bB0322383fecCA2784fbE2d4CD7d02b1905B
  • CWXAUC_ARBITRUM=0xc9750828124D4c10e7a6f4B655cA8487bD3842EB
  • CWXAUT_ARBITRUM=0x328Cd365Bb35524297E68ED28c6fF2C9557d1363

Then run ./scripts/deployment/run-cw-remaining-steps.sh --update-mapping.

References

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