import { SupportedNetwork, TxId } from '../globalTypes.js';
/**
 * a provider for interacting with the blockchain
 * @category Provider
 */
export interface ChainProvider {
    /**
     * Send a raw transaction hex string.
     * @param rawTxHex The raw transaction hex string to send.
     * @returns A promise which resolves to the hash of the transaction that has been sent.
     */
    broadcast(txHex: string): Promise<TxId>;
    /**
    * Send a PSBT.
    * @param psbtBase64 The PSBT to send.
    * @param metadata Optional metadata to attach to the transaction.
    * @returns A promise which resolves to the hash of the transaction that has been sent.
    */
    broadcastPsbt(psbtBase64: string, metadata?: Record<string, unknown>): Promise<TxId>;
    /**
     * Get a transaction raw hex from the network.
     * @param txHash The hash value of the transaction.
     * @returns The query result with the transaction raw hex.
     */
    getRawTransaction(txId: TxId): Promise<string>;
    /**
     * Query a transaction confirmation
     * @param txId
     */
    getConfirmations(txId: TxId): Promise<number>;
    /**
     * Query current network fee
     * @param txId
     */
    getFeeRate(): Promise<number>;
    /**
     * Get the current network the provider is connected to.
     * @returns A promise which resolves to the current network identifier.
     */
    getNetwork(): Promise<SupportedNetwork>;
    /**
     * Get the median time of the latest block.
     * @returns A promise which resolves to the median time as a Unix timestamp.
     */
    getMedianTime(): Promise<number>;
}
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