usePrepareCalls

import { 
function usePrepareCalls(params: UsePrepareCallsParams): UsePrepareCallsResult
Hook for preparing calls to a smart account.
This hook provides functionality to prepare calls for execution on a smart account. It handles the preparation step of the Account Abstraction flow, but does not support EOA wallets.
usePrepareCalls } from "@account-kit/react";

const { 
const prepareCalls: UseMutateFunction<{
    signatureRequest?: {
        data: string | {
            raw: `0x${string}`;
        };
        type: "personal_sign";
        rawPayload: `0x${string}`;
    } | {
        data: {
            domain?: {
                chainId?: number | undefined;
                salt?: `0x${string}` | undefined;
                name?: string | undefined;
                verifyingContract?: `0x${string}` | undefined;
                version?: string | undefined;
            } | undefined;
            types: Record<string, {
                type: string;
                name: string;
            }[]>;
            primaryType: string;
            message: Record<string, unknown>;
        };
        type: "eth_signTypedData_v4";
        rawPayload: `0x${string}`;
    } | undefined;
    data: {
        sender: `0x${string}`;
        nonce: `0x${string}`;
        initCode: `0x${string}`;
        callData: `0x${string}`;
        callGasLimit: `0x${string}`;
        verificationGasLimit: `0x${string}`;
        preVerificationGas: `0x${string}`;
        maxFeePerGas: `0x${string}`;
        maxPriorityFeePerGas: `0x${string}`;
        paymasterAndData: `0x${string}`;
    };
    type: "user-operation-v060";
    chainId: `0x${string}`;
    feePayment: {
        sponsored: boolean;
        tokenAddress: `0x${string}`;
        maxAmount: `0x${string}`;
    };
} | {
    ...;
} | {
    ...;
} | {
    ...;
}, Error, {
    ...;
}, unknown>
prepareCalls, 
const prepareCallsAsync: UseMutateAsyncFunction<{
    signatureRequest?: {
        data: string | {
            raw: `0x${string}`;
        };
        type: "personal_sign";
        rawPayload: `0x${string}`;
    } | {
        data: {
            domain?: {
                chainId?: number | undefined;
                salt?: `0x${string}` | undefined;
                name?: string | undefined;
                verifyingContract?: `0x${string}` | undefined;
                version?: string | undefined;
            } | undefined;
            types: Record<string, {
                type: string;
                name: string;
            }[]>;
            primaryType: string;
            message: Record<string, unknown>;
        };
        type: "eth_signTypedData_v4";
        rawPayload: `0x${string}`;
    } | undefined;
    data: {
        sender: `0x${string}`;
        nonce: `0x${string}`;
        initCode: `0x${string}`;
        callData: `0x${string}`;
        callGasLimit: `0x${string}`;
        verificationGasLimit: `0x${string}`;
        preVerificationGas: `0x${string}`;
        maxFeePerGas: `0x${string}`;
        maxPriorityFeePerGas: `0x${string}`;
        paymasterAndData: `0x${string}`;
    };
    type: "user-operation-v060";
    chainId: `0x${string}`;
    feePayment: {
        sponsored: boolean;
        tokenAddress: `0x${string}`;
        maxAmount: `0x${string}`;
    };
} | {
    ...;
} | {
    ...;
} | {
    ...;
}, Error, {
    ...;
}, unknown>
prepareCallsAsync, 
const isPreparingCalls: boolean
isPreparingCalls, 
const error: Error | null
error } =
  
function usePrepareCalls(params: UsePrepareCallsParams): UsePrepareCallsResult
Hook for preparing calls to a smart account.
This hook provides functionality to prepare calls for execution on a smart account. It handles the preparation step of the Account Abstraction flow, but does not support EOA wallets.
usePrepareCalls();

// Prepare calls
await 
const prepareCallsAsync: (variables: {
    capabilities?: {
        eip7702Auth?: true | {
            account?: `0x${string}` | undefined;
            delegation: "ModularAccountV2" | "0x69007702764179f14F51cdce752f4f775d74E139";
        } | undefined;
        permissions?: {
            context: `0x${string}`;
        } | {
            signature: `0x${string}`;
            sessionId: `0x${string}`;
        } | undefined;
        paymasterService?: (({
            policyId: string;
        } | {
            policyIds: string[];
        }) & {
            onlyEstimation?: boolean | undefined;
            erc20?: {
                maxTokenAmount?: `0x${string}` | undefined;
                tokenAddress: `0x${string}`;
                preOpSettings: {
                    autoPermit: {
                        durationSeconds?: `0x${string}` | undefined;
                        below: `0x${string}`;
                        amount: `0x${string}`;
                    };
                };
            } | {
                maxTokenAmount?: `0x${string}` | undefined;
                tokenAddress: `0x${string}`;
                preOpSettings: {
                    permitDetails: {
                        deadline: `0x${string}`;
                        value: `0x${string}`;
                    };
                };
            } | {
                maxTokenAmount?: `0x${string}` | undefined;
                tokenAddress: `0x${string}`;
                postOpSettings: {
                    autoApprove?: {
                        below: `0x${string}`;
                        amount: `0x${string}`;
                    } | undefined;
                };
            } | {
                maxTokenAmount?: `0x${string}` | undefined;
                tokenAddress: `0x${string}`;
            } | undefined;
            webhookData?: string | undefined;
        }) | undefined;
        gasParamsOverride?: {
            callGasLimit?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            verificationGasLimit?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            preVerificationGas?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            maxFeePerGas?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            maxPriorityFeePerGas?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            paymasterVerificationGasLimit?: `0x${string}` | {
                multiplier: number;
            } | undefined;
            paymasterPostOpGasLimit?: `0x${string}` | {
                multiplier: number;
            } | undefined;
        } | undefined;
        nonceOverride?: {
            nonceKey: `0x${string}`;
        } | undefined;
    } | undefined | undefined;
    paymasterPermitSignature?: {
        data: `0x${string}` | {
            s: `0x${string}`;
            r: `0x${string}`;
            yParity: `0x${string}`;
        } | {
            s: `0x${string}`;
            r: `0x${string}`;
            v: `0x${string}`;
        };
        type: "secp256k1";
    } | {
        data: `0x${string}` | {
            s: `0x${string}`;
            r: `0x${string}`;
            yParity: `0x${string}`;
        } | {
            s: `0x${string}`;
            r: `0x${string}`;
            v: `0x${string}`;
        };
        type: "ecdsa";
    } | undefined | undefined;
    calls: {
        data?: `0x${string}` | undefined;
        value?: `0x${string}` | undefined;
        to: `0x${string}`;
    }[];
    from?: never | undefined;
}, options?: MutateOptions<...> | undefined) => Promise<...>
prepareCallsAsync({
  
calls: {
    data?: `0x${string}` | undefined;
    value?: `0x${string}` | undefined;
    to: `0x${string}`;
}[]
calls: [
    {
      
to: `0x${string}`
to: "0x...",
      
data?: `0x${string}` | undefined
data: "0x...",
      
value?: `0x${string}` | undefined
value: "0x0",
    },
  ],
});