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A utility library for working with ERC-4337
72 lines • 2.32 kB
JavaScript
import { encodeFunctionData } from "viem";
export const encodeCallData = async (calls) => {
if (calls.length > 1) {
return encodeFunctionData({
abi: [
{
inputs: [
{
internalType: "address[]",
name: "dest",
type: "address[]"
},
{
internalType: "uint256[]",
name: "value",
type: "uint256[]"
},
{
internalType: "bytes[]",
name: "func",
type: "bytes[]"
}
],
name: "executeBatch",
outputs: [],
stateMutability: "nonpayable",
type: "function"
}
],
functionName: "executeBatch",
args: [
calls.map((a) => a.to),
calls.map((a) => a.value ?? 0n),
calls.map((a) => a.data ?? "0x")
]
});
}
const call = calls.length === 0 ? undefined : calls[0];
if (!call) {
throw new Error("No calls to encode");
}
return encodeFunctionData({
abi: [
{
inputs: [
{
internalType: "address",
name: "dest",
type: "address"
},
{
internalType: "uint256",
name: "value",
type: "uint256"
},
{
internalType: "bytes",
name: "func",
type: "bytes"
}
],
name: "execute",
outputs: [],
stateMutability: "nonpayable",
type: "function"
}
],
functionName: "execute",
args: [call.to, call.value ?? 0n, call.data ?? "0x"]
});
};
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