@molecularlabs/nucleus-frontend/dist/display/bridge-fees.mjs

Nucleus BoringVault Frontend SDK

import { getPreviewFee } from "../api/teller";
import { NATIVE_TOKEN_FOR_BRIDGE_FEE } from "../constants";
import { getVaultByKey } from "../vaults";
import { prepareBridgeContractArg } from "../vaults/bridge";
const getBridgeFee = async ({
  vaultKey,
  bridgeAmount,
  sourceChainId,
  destinationChainId,
  userAddress,
  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 sourceChain = vault.withdraw.sourceChains[sourceChainId];
  if (!sourceChain) {
    throw new Error(`Source chain not configured for vault ${vaultKey}`);
  }
  const destinationChain = sourceChain.destinationChains[destinationChainId];
  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: sourceChainId
  });
  return previewFee;
};
export {
  getBridgeFee
};
//# sourceMappingURL=bridge-fees.mjs.map