ox
Version:
Ethereum Standard Library
97 lines • 2.96 kB
JavaScript
import * as Hex from './Hex.js';
/**
* Converts a {@link ox#Filter.Rpc} to an {@link ox#Filter.Filter}.
*
* @example
* ```ts twoslash
* import { Filter } from 'ox'
*
* const filter = Filter.fromRpc({
* address: '0xd3cda913deb6f67967b99d671a681250403edf27',
* fromBlock: 'latest',
* toBlock: '0x010f2c',
* topics: [
* '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
* null,
* '0x0000000000000000000000000c04d9e9278ec5e4d424476d3ebec70cb5d648d1'
* ]
* })
* // @log: {
* // @log: address: '0xd3cda913deb6f67967b99d671a681250403edf27',
* // @log: fromBlock: 'latest',
* // @log: toBlock: 69420n,
* // @log: topics: [
* // @log: '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
* // @log: null,
* // @log: '0x0000000000000000000000000c04d9e9278ec5e4d424476d3ebec70cb5d648d1',
* // @log: ],
* // @log: }
* ```
*
* @param filter - The RPC filter to convert.
* @returns An instantiated {@link ox#Filter.Filter}.
*/
export function fromRpc(filter) {
const { fromBlock, toBlock } = filter;
return {
...filter,
...(fromBlock && {
fromBlock: Hex.validate(fromBlock, { strict: false })
? BigInt(fromBlock)
: fromBlock,
}),
...(toBlock && {
toBlock: Hex.validate(toBlock, { strict: false })
? BigInt(toBlock)
: toBlock,
}),
};
}
/**
* Converts a {@link ox#Filter.Filter} to a {@link ox#Filter.Rpc}.
*
* @example
* ```ts twoslash
* import { AbiEvent, Filter } from 'ox'
*
* const transfer = AbiEvent.from(
* 'event Transfer(address indexed, address indexed, uint256)'
* )
* const { topics } = AbiEvent.encode(transfer)
*
* const filter = Filter.toRpc({
* address: '0xfba3912ca04dd458c843e2ee08967fc04f3579c2',
* topics
* })
* // @log: {
* // @log: address: '0xfba3912ca04dd458c843e2ee08967fc04f3579c2',
* // @log: topics: [
* // @log: '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
* // @log: ],
* // @log: }
* ```
*
* @param filter - The filter to convert.
* @returns An RPC filter.
*/
export function toRpc(filter) {
const { address, topics, fromBlock, toBlock, blockHash } = filter;
return {
...(typeof address !== 'undefined' ? { address } : {}),
...(typeof topics !== 'undefined' ? { topics } : {}),
...(typeof blockHash !== 'undefined' ? { blockHash } : {}),
...(typeof fromBlock !== 'undefined'
? {
fromBlock: typeof fromBlock === 'string'
? fromBlock
: Hex.fromNumber(fromBlock),
}
: {}),
...(typeof toBlock !== 'undefined'
? {
toBlock: typeof toBlock === 'string' ? toBlock : Hex.fromNumber(toBlock),
}
: {}),
};
}
//# sourceMappingURL=Filter.js.map