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Bedrock Local Devnet Setup

Table of Contents

You can spin up a local devnet via docker compose. For convenience, we have defined make targets to start and stop the devnet with a single command. To run the devnet, you will need docker installed. Then, as a precondition, make sure that you have compiled the contracts by cding into packages/contracts and running pnpm i followed by pnpm build. You'll only need to do this if you change the contracts in the future.

Then, run the following:

make devnet-up # starts the devnet
make devnet-down # stops the devnet
make devnet-clean # removes the devnet by deleting images and persistent volumes

L1 is accessible at http://localhost:8545, and L2 is accessible at http://localhost:9545. Any Ethereum tool - Metamask, seth, etc. - can use these endpoints. Note that you will need to specify the L2 chain ID manually if you use Metamask. The devnet's L2 chain ID is 901.

The devnet comes with a pre-funded account you can use as a faucet:

  • Address: 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
  • Private key: ac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80

The faucet account exists on both L1 and L2. To deposit onto L2 from L1, you can use the deposit hardhat task. Run the following from the packags/contracts directory:

npx hardhat deposit --amount-eth <amount in eth> --to <address>

You'll need a .env with the following contents:

L1_PROVIDER_URL=http://localhost:8545
L2_PROVIDER_URL=http://localhost:9545
PRIVATE_KEY=bf7604d9d3a1c7748642b1b7b05c2bd219c9faa91458b370f85e5a40f3b03af7

The batch submitter uses the account below to submit batches to L1:

  • Address: 0xde3829a23df1479438622a08a116e8eb3f620bb5
  • Private key: bf7604d9d3a1c7748642b1b7b05c2bd219c9faa91458b370f85e5a40f3b03af7