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Просмотр файла: interface.d.ts
/**
* The Interface class is a low-level class that accepts an
* ABI and provides all the necessary functionality to encode
* and decode paramaters to and results from methods, events
* and errors.
*
* It also provides several convenience methods to automatically
* search and find matching transactions and events to parse them.
*
* @_subsection api/abi:Interfaces [interfaces]
*/
import { AbiCoder } from "./abi-coder.js";
import { checkResultErrors, Result } from "./coders/abstract-coder.js";
import { ConstructorFragment, ErrorFragment, EventFragment, FallbackFragment, Fragment, FunctionFragment, ParamType } from "./fragments.js";
import { Typed } from "./typed.js";
import type { BigNumberish, BytesLike, CallExceptionError, CallExceptionTransaction } from "../utils/index.js";
import type { JsonFragment } from "./fragments.js";
export { checkResultErrors, Result };
/**
* When using the [[Interface-parseLog]] to automatically match a Log to its event
* for parsing, a **LogDescription** is returned.
*/
export declare class LogDescription {
/**
* The matching fragment for the ``topic0``.
*/
readonly fragment: EventFragment;
/**
* The name of the Event.
*/
readonly name: string;
/**
* The full Event signature.
*/
readonly signature: string;
/**
* The topic hash for the Event.
*/
readonly topic: string;
/**
* The arguments passed into the Event with ``emit``.
*/
readonly args: Result;
/**
* @_ignore:
*/
constructor(fragment: EventFragment, topic: string, args: Result);
}
/**
* When using the [[Interface-parseTransaction]] to automatically match
* a transaction data to its function for parsing,
* a **TransactionDescription** is returned.
*/
export declare class TransactionDescription {
/**
* The matching fragment from the transaction ``data``.
*/
readonly fragment: FunctionFragment;
/**
* The name of the Function from the transaction ``data``.
*/
readonly name: string;
/**
* The arguments passed to the Function from the transaction ``data``.
*/
readonly args: Result;
/**
* The full Function signature from the transaction ``data``.
*/
readonly signature: string;
/**
* The selector for the Function from the transaction ``data``.
*/
readonly selector: string;
/**
* The ``value`` (in wei) from the transaction.
*/
readonly value: bigint;
/**
* @_ignore:
*/
constructor(fragment: FunctionFragment, selector: string, args: Result, value: bigint);
}
/**
* When using the [[Interface-parseError]] to automatically match an
* error for a call result for parsing, an **ErrorDescription** is returned.
*/
export declare class ErrorDescription {
/**
* The matching fragment.
*/
readonly fragment: ErrorFragment;
/**
* The name of the Error.
*/
readonly name: string;
/**
* The arguments passed to the Error with ``revert``.
*/
readonly args: Result;
/**
* The full Error signature.
*/
readonly signature: string;
/**
* The selector for the Error.
*/
readonly selector: string;
/**
* @_ignore:
*/
constructor(fragment: ErrorFragment, selector: string, args: Result);
}
/**
* An **Indexed** is used as a value when a value that does not
* fit within a topic (i.e. not a fixed-length, 32-byte type). It
* is the ``keccak256`` of the value, and used for types such as
* arrays, tuples, bytes and strings.
*/
export declare class Indexed {
/**
* The ``keccak256`` of the value logged.
*/
readonly hash: null | string;
/**
* @_ignore:
*/
readonly _isIndexed: boolean;
/**
* Returns ``true`` if %%value%% is an **Indexed**.
*
* This provides a Type Guard for property access.
*/
static isIndexed(value: any): value is Indexed;
/**
* @_ignore:
*/
constructor(hash: null | string);
}
/**
* An **InterfaceAbi** may be any supported ABI format.
*
* A string is expected to be a JSON string, which will be parsed
* using ``JSON.parse``. This means that the value **must** be a valid
* JSON string, with no stray commas, etc.
*
* An array may contain any combination of:
* - Human-Readable fragments
* - Parsed JSON fragment
* - [[Fragment]] instances
*
* A **Human-Readable Fragment** is a string which resembles a Solidity
* signature and is introduced in [this blog entry](link-ricmoo-humanreadableabi).
* For example, ``function balanceOf(address) view returns (uint)``.
*
* A **Parsed JSON Fragment** is a JavaScript Object desribed in the
* [Solidity documentation](link-solc-jsonabi).
*/
export type InterfaceAbi = string | ReadonlyArray<Fragment | JsonFragment | string>;
/**
* An Interface abstracts many of the low-level details for
* encoding and decoding the data on the blockchain.
*
* An ABI provides information on how to encode data to send to
* a Contract, how to decode the results and events and how to
* interpret revert errors.
*
* The ABI can be specified by [any supported format](InterfaceAbi).
*/
export declare class Interface {
#private;
/**
* All the Contract ABI members (i.e. methods, events, errors, etc).
*/
readonly fragments: ReadonlyArray<Fragment>;
/**
* The Contract constructor.
*/
readonly deploy: ConstructorFragment;
/**
* The Fallback method, if any.
*/
readonly fallback: null | FallbackFragment;
/**
* If receiving ether is supported.
*/
readonly receive: boolean;
/**
* Create a new Interface for the %%fragments%%.
*/
constructor(fragments: InterfaceAbi);
/**
* Returns the entire Human-Readable ABI, as an array of
* signatures, optionally as %%minimal%% strings, which
* removes parameter names and unneceesary spaces.
*/
format(minimal?: boolean): Array<string>;
/**
* Return the JSON-encoded ABI. This is the format Solidiy
* returns.
*/
formatJson(): string;
/**
* The ABI coder that will be used to encode and decode binary
* data.
*/
getAbiCoder(): AbiCoder;
/**
* Get the function name for %%key%%, which may be a function selector,
* function name or function signature that belongs to the ABI.
*/
getFunctionName(key: string): string;
/**
* Returns true if %%key%% (a function selector, function name or
* function signature) is present in the ABI.
*
* In the case of a function name, the name may be ambiguous, so
* accessing the [[FunctionFragment]] may require refinement.
*/
hasFunction(key: string): boolean;
/**
* Get the [[FunctionFragment]] for %%key%%, which may be a function
* selector, function name or function signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple functions match by name.
*
* If the %%key%% and %%values%% do not refine to a single function in
* the ABI, this will throw.
*/
getFunction(key: string, values?: Array<any | Typed>): null | FunctionFragment;
/**
* Iterate over all functions, calling %%callback%%, sorted by their name.
*/
forEachFunction(callback: (func: FunctionFragment, index: number) => void): void;
/**
* Get the event name for %%key%%, which may be a topic hash,
* event name or event signature that belongs to the ABI.
*/
getEventName(key: string): string;
/**
* Returns true if %%key%% (an event topic hash, event name or
* event signature) is present in the ABI.
*
* In the case of an event name, the name may be ambiguous, so
* accessing the [[EventFragment]] may require refinement.
*/
hasEvent(key: string): boolean;
/**
* Get the [[EventFragment]] for %%key%%, which may be a topic hash,
* event name or event signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple events match by name.
*
* If the %%key%% and %%values%% do not refine to a single event in
* the ABI, this will throw.
*/
getEvent(key: string, values?: Array<any | Typed>): null | EventFragment;
/**
* Iterate over all events, calling %%callback%%, sorted by their name.
*/
forEachEvent(callback: (func: EventFragment, index: number) => void): void;
/**
* Get the [[ErrorFragment]] for %%key%%, which may be an error
* selector, error name or error signature that belongs to the ABI.
*
* If %%values%% is provided, it will use the Typed API to handle
* ambiguous cases where multiple errors match by name.
*
* If the %%key%% and %%values%% do not refine to a single error in
* the ABI, this will throw.
*/
getError(key: string, values?: Array<any | Typed>): null | ErrorFragment;
/**
* Iterate over all errors, calling %%callback%%, sorted by their name.
*/
forEachError(callback: (func: ErrorFragment, index: number) => void): void;
_decodeParams(params: ReadonlyArray<ParamType>, data: BytesLike): Result;
_encodeParams(params: ReadonlyArray<ParamType>, values: ReadonlyArray<any>): string;
/**
* Encodes a ``tx.data`` object for deploying the Contract with
* the %%values%% as the constructor arguments.
*/
encodeDeploy(values?: ReadonlyArray<any>): string;
/**
* Decodes the result %%data%% (e.g. from an ``eth_call``) for the
* specified error (see [[getError]] for valid values for
* %%key%%).
*
* Most developers should prefer the [[parseCallResult]] method instead,
* which will automatically detect a ``CALL_EXCEPTION`` and throw the
* corresponding error.
*/
decodeErrorResult(fragment: ErrorFragment | string, data: BytesLike): Result;
/**
* Encodes the transaction revert data for a call result that
* reverted from the the Contract with the sepcified %%error%%
* (see [[getError]] for valid values for %%fragment%%) with the %%values%%.
*
* This is generally not used by most developers, unless trying to mock
* a result from a Contract.
*/
encodeErrorResult(fragment: ErrorFragment | string, values?: ReadonlyArray<any>): string;
/**
* Decodes the %%data%% from a transaction ``tx.data`` for
* the function specified (see [[getFunction]] for valid values
* for %%fragment%%).
*
* Most developers should prefer the [[parseTransaction]] method
* instead, which will automatically detect the fragment.
*/
decodeFunctionData(fragment: FunctionFragment | string, data: BytesLike): Result;
/**
* Encodes the ``tx.data`` for a transaction that calls the function
* specified (see [[getFunction]] for valid values for %%fragment%%) with
* the %%values%%.
*/
encodeFunctionData(fragment: FunctionFragment | string, values?: ReadonlyArray<any>): string;
/**
* Decodes the result %%data%% (e.g. from an ``eth_call``) for the
* specified function (see [[getFunction]] for valid values for
* %%key%%).
*
* Most developers should prefer the [[parseCallResult]] method instead,
* which will automatically detect a ``CALL_EXCEPTION`` and throw the
* corresponding error.
*/
decodeFunctionResult(fragment: FunctionFragment | string, data: BytesLike): Result;
makeError(_data: BytesLike, tx: CallExceptionTransaction): CallExceptionError;
/**
* Encodes the result data (e.g. from an ``eth_call``) for the
* specified function (see [[getFunction]] for valid values
* for %%fragment%%) with %%values%%.
*
* This is generally not used by most developers, unless trying to mock
* a result from a Contract.
*/
encodeFunctionResult(fragment: FunctionFragment | string, values?: ReadonlyArray<any>): string;
encodeFilterTopics(fragment: EventFragment | string, values: ReadonlyArray<any>): Array<null | string | Array<string>>;
encodeEventLog(fragment: EventFragment | string, values: ReadonlyArray<any>): {
data: string;
topics: Array<string>;
};
decodeEventLog(fragment: EventFragment | string, data: BytesLike, topics?: ReadonlyArray<string>): Result;
/**
* Parses a transaction, finding the matching function and extracts
* the parameter values along with other useful function details.
*
* If the matching function cannot be found, return null.
*/
parseTransaction(tx: {
data: string;
value?: BigNumberish;
}): null | TransactionDescription;
parseCallResult(data: BytesLike): Result;
/**
* Parses a receipt log, finding the matching event and extracts
* the parameter values along with other useful event details.
*
* If the matching event cannot be found, returns null.
*/
parseLog(log: {
topics: ReadonlyArray<string>;
data: string;
}): null | LogDescription;
/**
* Parses a revert data, finding the matching error and extracts
* the parameter values along with other useful error details.
*
* If the matching error cannot be found, returns null.
*/
parseError(data: BytesLike): null | ErrorDescription;
/**
* Creates a new [[Interface]] from the ABI %%value%%.
*
* The %%value%% may be provided as an existing [[Interface]] object,
* a JSON-encoded ABI or any Human-Readable ABI format.
*/
static from(value: InterfaceAbi | Interface): Interface;
}
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