@molecularlabs/nucleus-frontend/dist/vaults/bridge.mjs

Nucleus BoringVault Frontend SDK

import { getVaultByKey } from ".";
import { getPreviewFee } from "../api/teller";
import { toChainId } from "../api/vault-config";
import { NATIVE_TOKEN_FOR_BRIDGE_FEE } from "../constants";
import { CrossChainTellerBaseAbi } from "../contracts/cross-chain-teller-base-abi";
const prepareBridgeContractArg = ({
  bridgeChainIdentifier,
  userAddress,
  nativeTokenForBridgeFee = NATIVE_TOKEN_FOR_BRIDGE_FEE
}) => {
  return {
    chainSelector: bridgeChainIdentifier,
    destinationChainReceiver: userAddress,
    bridgeFeeToken: nativeTokenForBridgeFee,
    messageGas: BigInt(1e5),
    data: "0x"
  };
};
const prepareBridgeTransactionData = async ({
  vaultKey,
  bridgeAmount,
  sourceChainId,
  destinationChainId,
  userAddress
}) => {
  const nativeTokenForBridgeFee = NATIVE_TOKEN_FOR_BRIDGE_FEE;
  const vault = await getVaultByKey(vaultKey);
  if (!vault) {
    throw new Error(`Invalid vault key: ${vaultKey}`);
  }
  if (!vault.contracts) {
    throw new Error(`Contracts not configured for vault ${vaultKey}`);
  }
  if (!vault.contracts.boringVault) {
    throw new Error(
      `BoringVault contract not configured for vault ${vaultKey}`
    );
  }
  if (!vault.contracts.accountant) {
    throw new Error(`Accountant contract not configured for vault ${vaultKey}`);
  }
  if (!vault.contracts.teller) {
    throw new Error(`Teller contract not configured for vault ${vaultKey}`);
  }
  const normalizedSourceChainId = toChainId(sourceChainId);
  const sourceChain = vault.withdraw.sourceChains[normalizedSourceChainId];
  if (!sourceChain) {
    throw new Error(`Source chain not configured for vault ${vaultKey}`);
  }
  const normalizedDestinationChainId = toChainId(destinationChainId);
  const destinationChain = sourceChain.destinationChains[normalizedDestinationChainId];
  if (!destinationChain) {
    throw new Error(`Destination chain not configured for vault ${vaultKey}`);
  }
  const bridgeChainIdentifier = destinationChain.bridge.chainIdentifier;
  const bridgeContractArg = prepareBridgeContractArg({
    bridgeChainIdentifier,
    userAddress,
    nativeTokenForBridgeFee
  });
  const previewFee = await getPreviewFee({
    shareAmount: bridgeAmount,
    bridgeData: bridgeContractArg,
    contractAddress: vault.contracts.teller,
    chainId: normalizedSourceChainId
  });
  return {
    abi: CrossChainTellerBaseAbi,
    address: vault.contracts.teller,
    functionName: "bridge",
    args: [bridgeAmount, bridgeContractArg],
    chainId: normalizedSourceChainId,
    value: previewFee
  };
};
export {
  prepareBridgeContractArg,
  prepareBridgeTransactionData
};
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