import { Address, Hash } from "viem";
export interface TokenMetadata {
    name: string;
    symbol: string;
    decimals: number;
    totalSupply: bigint;
}
export interface TransferParams {
    to: Address;
    amount: bigint;
    data?: `0x${string}`;
}
export interface TokenTransferParams extends TransferParams {
    token: Address;
}
export interface TokenApprovalParams {
    token: Address;
    spender: Address;
    amount: bigint;
}
export interface TransactionResult {
    hash: Hash;
    wait: () => Promise<TransactionReceipt>;
}
export interface TransactionReceipt {
    status: "success" | "failure";
    hash: Hash;
    blockNumber: bigint;
    gasUsed: bigint;
}
export interface TokenAllowance {
    token: Address;
    owner: Address;
    spender: Address;
    amount: bigint;
}
export declare const ERC20_ABI: readonly [{
    readonly constant: true;
    readonly inputs: readonly [{
        readonly name: "_owner";
        readonly type: "address";
    }];
    readonly name: "balanceOf";
    readonly outputs: readonly [{
        readonly name: "balance";
        readonly type: "uint256";
    }];
    readonly type: "function";
}, {
    readonly constant: true;
    readonly inputs: readonly [];
    readonly name: "symbol";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "string";
    }];
    readonly type: "function";
}, {
    readonly constant: true;
    readonly inputs: readonly [];
    readonly name: "name";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "string";
    }];
    readonly type: "function";
}, {
    readonly constant: true;
    readonly inputs: readonly [];
    readonly name: "decimals";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "uint8";
    }];
    readonly type: "function";
}, {
    readonly constant: true;
    readonly inputs: readonly [];
    readonly name: "totalSupply";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "uint256";
    }];
    readonly type: "function";
}, {
    readonly constant: true;
    readonly inputs: readonly [{
        readonly name: "_owner";
        readonly type: "address";
    }, {
        readonly name: "_spender";
        readonly type: "address";
    }];
    readonly name: "allowance";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "uint256";
    }];
    readonly type: "function";
}, {
    readonly constant: false;
    readonly inputs: readonly [{
        readonly name: "_to";
        readonly type: "address";
    }, {
        readonly name: "_value";
        readonly type: "uint256";
    }];
    readonly name: "transfer";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "bool";
    }];
    readonly type: "function";
}, {
    readonly constant: false;
    readonly inputs: readonly [{
        readonly name: "_spender";
        readonly type: "address";
    }, {
        readonly name: "_value";
        readonly type: "uint256";
    }];
    readonly name: "approve";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "bool";
    }];
    readonly type: "function";
}, {
    readonly constant: false;
    readonly inputs: readonly [{
        readonly name: "_from";
        readonly type: "address";
    }, {
        readonly name: "_to";
        readonly type: "address";
    }, {
        readonly name: "_value";
        readonly type: "uint256";
    }];
    readonly name: "transferFrom";
    readonly outputs: readonly [{
        readonly name: "";
        readonly type: "bool";
    }];
    readonly type: "function";
}];