ox/dist/core/internal/address.d.ts

Ethereum Standard Library

/** @internal */
export declare const length = 42;
/**
 * Combined shape + lowercase classification for an Ethereum address string.
 * Avoids the regex / try-catch / error-allocation overhead in the hot path
 * and avoids a second pass for callers that need both pieces of metadata
 * (e.g. strict validation).
 *
 * - `0` = invalid shape (not `0x[0-9a-fA-F]{40}`)
 * - `1` = valid shape, all-lowercase hex body (no checksum to verify)
 * - `2` = valid shape, contains at least one `A-F` upper char
 *
 * @internal
 */
export declare function classify(value: string): 0 | 1 | 2;
/**
 * Manual ASCII shape check for an Ethereum address string. Returns `true`
 * when `value` has the shape `0x[0-9a-fA-F]{40}`. Does not verify checksum
 * casing.
 *
 * @internal
 */
export declare function hasShape(value: string): boolean;
/**
 * Returns the canonical lowercase form of a shape-validated address, or the
 * input unchanged when it is already all-lowercase. Pre-condition: caller has
 * already verified the string is shape-valid via {@link hasShape} or
 * {@link classify}.
 *
 * @internal
 */
export declare function lowercase(value: string): string;
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