call from zetachain fixes (#191)

zeta-chain · Aug 20, 2024 · 325de30 · 325de30
1 parent f7d796b
commit 325de30
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diff --git a/universal/hello/contracts/Hello.sol b/universal/hello/contracts/Hello.sol
@@ -6,6 +6,7 @@ import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import {RevertContext, RevertOptions} from "@zetachain/protocol-contracts/contracts/Revert.sol";
 import "@zetachain/protocol-contracts/contracts/zevm/interfaces/UniversalContract.sol";
 import "@zetachain/protocol-contracts/contracts/zevm/interfaces/IGatewayZEVM.sol";
+import "@zetachain/protocol-contracts/contracts/zevm/interfaces/IZRC20.sol";
 
 contract Hello is UniversalContract {
     event HelloEvent(string, string);
@@ -34,6 +35,7 @@ contract Hello is UniversalContract {
         uint256 gasLimit,
         RevertOptions memory revertOptions
     ) external {
+        IZRC20(zrc20).approve(gateway, 1_000_000_000);
         IGatewayZEVM(gateway).call(
             receiver,
             zrc20,

diff --git a/universal/hello/tasks/callFromZetaChain.ts b/universal/hello/tasks/callFromZetaChain.ts
@@ -12,6 +12,13 @@ const main = async (args: any, hre: HardhatRuntimeEnvironment) => {
     signer
   );
 
+  const zrc20Artifact = await hre.artifacts.readArtifact("IZRC20");
+  const zrc20 = new hre.ethers.Contract(
+    args.zrc20,
+    zrc20Artifact.abi,
+    signer
+  );
+
   const message = hre.ethers.utils.defaultAbiCoder.encode(
     ["string"],
     [args.message]
@@ -20,6 +27,13 @@ const main = async (args: any, hre: HardhatRuntimeEnvironment) => {
   const revertMessageBytes = hre.ethers.utils.toUtf8Bytes(args.revertMessage);
 
   try {
+    const zrc20TransferTx = await zrc20.transfer(args.contract, 500_000_000,
+    {
+      gasPrice: 10000000000,
+      gasLimit: 7000000,
+    });
+    await zrc20TransferTx.wait();
+
     const tx = await contract.callFromZetaChain(
       hre.ethers.utils.hexlify(args.receiver),
       args.zrc20,