fix: create account estimate fees (#22)

src/chains/evm/common/utils/chain.ts

@@ -3,12 +3,12 @@ import { EVM_FOLKS_CHAIN_ID } from "../constants/chain.js";
 import type { EvmChainId } from "../types/chain.js";
 import type { Account, Address, WalletClient } from "viem";
 
-export function getSignerAddress(signer: WalletClient): Address {
+export function getEvmSignerAddress(signer: WalletClient): Address {
   if (signer.account?.address) return signer.account.address;
   throw new Error("EVM Signer address is not set");
 }
 
-export function getSignerAccount(signer: WalletClient): Account {
+export function getEvmSignerAccount(signer: WalletClient): Account {
   if (signer.account) return signer.account;
   throw new Error("EVM Signer account is not set");
 }

src/chains/evm/common/utils/contract.ts

@@ -3,10 +3,12 @@ import { getContract } from "viem";
 import { ChainType } from "../../../../common/types/chain.js";
 import { convertFromGenericAddress } from "../../../../common/utils/address.js";
 import { ERC20Abi } from "../constants/abi/erc-20-abi.js";
+import { WormholeDataAdapterAbi } from "../constants/abi/wormhole-data-adapter-abi.js";
 
-import { getSignerAccount, getSignerAddress } from "./chain.js";
+import { getEvmSignerAccount, getEvmSignerAddress } from "./chain.js";
 
 import type { GenericAddress } from "../../../../common/types/chain.js";
+import type { GetReadContractReturnType } from "../types/contract.js";
 import type { Address, Client, WalletClient } from "viem";
 
 export function getERC20Contract(
@@ -30,14 +32,25 @@ export async function sendERC20Approve(
 ) {
   const erc20 = getERC20Contract(provider, address, signer);
   const allowance = await erc20.read.allowance([
-    getSignerAddress(signer),
+    getEvmSignerAddress(signer),
     receiver,
   ]);
 
   // approve if not enough
   if (allowance < amount)
     return await erc20.write.approve([receiver, BigInt(amount)], {
-      account: getSignerAccount(signer),
+      account: getEvmSignerAccount(signer),
       chain: signer.chain,
     });
 }
+
+export function getWormholeDataAdapterContract(
+  provider: Client,
+  address: Address,
+): GetReadContractReturnType<typeof WormholeDataAdapterAbi> {
+  return getContract({
+    abi: WormholeDataAdapterAbi,
+    address: convertFromGenericAddress<ChainType.EVM>(address, ChainType.EVM),
+    client: { public: provider },
+  });
+}

src/chains/evm/common/utils/gmp.ts

@@ -0,0 +1,27 @@
+import { concat } from "viem";
+
+import {
+  UINT16_LENGTH,
+  UINT256_LENGTH,
+} from "../../../../common/constants/bytes.js";
+import { convertNumberToBytes } from "../../../../common/utils/bytes.js";
+
+import type { GenericAddress } from "../../../../common/types/chain.js";
+import type { AdapterType } from "../../../../common/types/message.js";
+import type { Hex } from "viem";
+
+export function encodeWormholeEvmPayloadWithMetadata(
+  returnAdapterId: AdapterType,
+  returnGasLimit: bigint,
+  sender: GenericAddress,
+  handler: GenericAddress,
+  payload: Hex,
+): Hex {
+  return concat([
+    convertNumberToBytes(returnAdapterId, UINT16_LENGTH),
+    convertNumberToBytes(returnGasLimit, UINT256_LENGTH),
+    sender,
+    handler,
+    payload,
+  ]);
+}