import { type OmniAddress } from "../types/index.js";
export interface TokenDecimals {
    decimals: number;
    origin_decimals: number;
}
/**
 * Normalizes an amount from one decimal precision to another using BigInt math
 * @param amount The amount to normalize as a bigint
 * @param fromDecimals The source decimal precision
 * @param toDecimals The target decimal precision
 * @returns The normalized amount as a bigint
 */
export declare function normalizeAmount(amount: bigint, fromDecimals: number, toDecimals: number): bigint;
/**
 * Verifies if a transfer amount will be valid after normalization
 * @param amount The amount to transfer
 * @param fee The fee to be deducted
 * @param originDecimals The decimals of the token on the source chain
 * @param destinationDecimals The decimals of the token on the destination chain
 * @returns true if the normalized amount (minus fee) will be greater than 0
 */
export declare function verifyTransferAmount(amount: bigint, fee: bigint, originDecimals: number, destinationDecimals: number): boolean;
/**
 * Get the minimum number of decimals between origin and destination chains
 * @param contractId The NEAR contract to query
 * @param sourceToken The source token address
 * @param destinationToken The destination token address
 * @returns The minimum number of decimals
 * @throws Error if either token is not registered (returns null from getTokenDecimals)
 */
export declare function getMinimumDecimals(contractId: string, sourceToken: OmniAddress, destinationToken: OmniAddress): Promise<number>;
/**
 * Gets token decimals from the NEAR contract
 * @param contractId The NEAR contract ID to query
 * @param tokenAddress The Omni token address to check
 * @returns Promise resolving to the token's decimal information, or null if token is not registered
 */
export declare function getTokenDecimals(contractId: string, tokenAddress: OmniAddress): Promise<TokenDecimals | null>;
/**
 * Gets the minimum transferable amount for a token pair accounting for decimal normalization
 * @param originDecimals The decimals of the source token
 * @param destinationDecimals The decimals of the destination token
 * @returns The minimum transferable amount as a bigint
 */
export declare function getMinimumTransferableAmount(originDecimals: number, destinationDecimals: number): bigint;
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