@aztec/cli-wallet

--- package/src/utils/ecdsa.ts (excerpt) ---
export function extractECDSAPublicKeyFromBase64String(base64PublicKey: string): Buffer {
  const buffer = Buffer.from(base64PublicKey, 'base64');
  let keyOffset = 0;
  const typeLen = buffer.readUInt32BE(keyOffset);
  keyOffset += 4;
  keyOffset += typeLen;

  const curveLen = buffer.readUInt32BE(keyOffset);
  keyOffset += 4;
  keyOffset += curveLen;

  const keyLen = buffer.readUInt32BE(keyOffset);
  keyOffset += 5; // 4+1 to remove the prefix
  return buffer.subarray(keyOffset, keyOffset + keyLen - 1);
}


--- package/src/cmds/bridge_fee_juice.ts (excerpt) ---
import { L1FeeJuicePortalManager } from '@aztec/aztec.js/ethereum';
import type { AztecNode } from '@aztec/aztec.js/node';
import { ProtocolContractAddress } from '@aztec/aztec.js/protocol';
import { prettyPrintJSON } from '@aztec/cli/utils';
import { createEthereumChain } from '@aztec/ethereum/chain';
import { createExtendedL1Client } from '@aztec/ethereum/client';
import { Fr } from '@aztec/foundation/curves/bn254';
import type { LogFn, Logger } from '@aztec/foundation/log';
import type { AztecAddress } from '@aztec/stdlib/aztec-address';
import { getNonNullifiedL1ToL2MessageWitness } from '@aztec/stdlib/messaging';

export async function bridgeL1FeeJuice(
  amount: bigint,
  recipient: AztecAddress,
  node: AztecNode,
  l1RpcUrls: string[],
  chainId: number,
  privateKey: string | undefined,
  mnemonic: string,
  mint: boolean,
  json: boolean,
  wait: boolean,
  interval = 60_000,
  log: LogFn,
  debugLogger: Logger,
) {
  // Prepare L1 client
  const chain = createEthereumChain(l1RpcUrls, chainId);
  const client = createExtendedL1Client(chain.rpcUrls, privateKey ?? mnemonic, chain.chainInfo);

  // Setup portal manager
  const portal = await L1FeeJuicePortalManager.new(node, client, debugLogger);
  const { claimAmount, claimSecret, messageHash, messageLeafIndex } = await portal.bridgeTokensPublic(
    recipient,
    amount,
    mint,
  );

  if (json) {
    const out = {
      claimAmount,
      claimSecret,
      messageLeafIndex,
    };
    log(prettyPrintJSON(out));

--- package/src/cmds/index.ts (excerpt) ---
import { getIdentities } from '@aztec/accounts/utils';
import { TxHash } from '@aztec/aztec.js/tx';
import {
  ETHEREUM_HOSTS,
  PRIVATE_KEY,
  addOptions,
  createSecretKeyOption,
  l1ChainIdOption,
  parseBigint,
  parseFieldFromHexString,
  parsePublicKey,
} from '@aztec/cli/utils';
import { randomBytes } from '@aztec/foundation/crypto/random';
import type { LogFn, Logger } from '@aztec/foundation/log';
import { TxStatus } from '@aztec/stdlib/tx';

import { type Command, Option } from 'commander';
import inquirer from 'inquirer';

import type { WalletDB } from '../storage/wallet_db.js';
import type { CliWalletAndNodeWrapper } from '../utils/cli_wallet_and_node_wrapper.js';
import type { AccountType } from '../utils/constants.js';
import {
  ARTIFACT_DESCRIPTION,
  CLIFeeArgs,
  aliasedAddressParser,
  aliasedSecretKeyParser,
  aliasedTxHashParser,
  artifactPathFromPromiseOrAlias,
  artifactPathParser,
  cleanupAuthWitnesses,
  createAccountOption,
  createAliasOption,
  createArgsOption,
  createArtifactOption,
  createAuthwitnessOption,
  createContractAddressOption,
  createDebugExecutionStepsDirOption,
  createTypeOption,
  createVerboseOption,
  integerArgParser,
} from '../utils/options/index.js';

function parseWaitForStatus(status: string): TxStatus {
  switch (status) {
    case 'proposed':
      return TxStatus.PROPOSED;
    case 'checkpointed':
      return TxStatus.CHECKPOINTED;
    default:
      throw new Error(`Invalid wait-for-status: ${status}. Use 'propos

--- package/dest/utils/ecdsa.js (excerpt) ---
export function extractECDSAPublicKeyFromBase64String(base64PublicKey) {
    const buffer = Buffer.from(base64PublicKey, 'base64');
    let keyOffset = 0;
    const typeLen = buffer.readUInt32BE(keyOffset);
    keyOffset += 4;
    keyOffset += typeLen;
    const curveLen = buffer.readUInt32BE(keyOffset);
    keyOffset += 4;
    keyOffset += curveLen;
    const keyLen = buffer.readUInt32BE(keyOffset);
    keyOffset += 5; // 4+1 to remove the prefix
    return buffer.subarray(keyOffset, keyOffset + keyLen - 1);
}