import type { Hex } from "../types/evm.js";
/** Decoded fields from a `send()` transaction input. */
export interface DecodedSendPayload {
    dstEid: number;
    to: Hex;
    amountLD: bigint;
    minAmountLD: bigint;
    composeMsg: Hex;
}
/** Decoded fields from a BridgeRequest compose message. */
export interface DecodedBridgeRequest {
    dstEid: number;
    to: Hex;
    refundAddress: Hex;
    minAmountOut: bigint;
}
/**
 * Decode the calldata of a `send()` transaction on a zERC20 (OFT) contract.
 *
 * @throws if `data` does not encode a call to `send()`.
 */
export declare function decodeSendPayload(data: Hex): DecodedSendPayload;
/**
 * Extract the `amountReceivedLD` value from the first `OFTSent` event found in
 * a set of transaction logs.
 *
 * Returns `undefined` when no `OFTSent` event is present.
 */
export declare function extractOftSentAmount(logs: ReadonlyArray<{
    topics: readonly Hex[];
    data: Hex;
}>): bigint | undefined;
/**
 * Decode a BridgeRequest compose message.
 *
 * Returns `null` when `composeMsg` is empty (`"0x"`) or cannot be decoded.
 */
export declare function decodeBridgeRequest(composeMsg: Hex): DecodedBridgeRequest | null;
//# sourceMappingURL=decode.d.ts.map