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Просмотр файла: Authorization.js
import * as Hash from './Hash.js';
import * as Hex from './Hex.js';
import * as Rlp from './Rlp.js';
import * as Signature from './Signature.js';
/**
* Converts an [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization object into a typed {@link ox#Authorization.Authorization}.
*
* @example
* An Authorization can be instantiated from an [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple in object format.
*
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 1,
* nonce: 69n,
* })
* ```
*
* @example
* ### Attaching Signatures
*
* A {@link ox#Signature.Signature} can be attached with the `signature` option. The example below demonstrates signing
* an Authorization with {@link ox#Secp256k1.(sign:function)}.
*
* ```ts twoslash
* import { Authorization, Secp256k1 } from 'ox'
*
* const authorization = Authorization.from({
* address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* chainId: 1,
* nonce: 40n,
* })
*
* const signature = Secp256k1.sign({
* payload: Authorization.getSignPayload(authorization),
* privateKey: '0x...',
* })
*
* const authorization_signed = Authorization.from(authorization, { signature }) // [!code focus]
* ```
*
* @param authorization - An [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple in object format.
* @param options - Authorization options.
* @returns The {@link ox#Authorization.Authorization}.
*/
export function from(authorization, options = {}) {
if (typeof authorization.chainId === 'string')
return fromRpc(authorization);
return { ...authorization, ...options.signature };
}
/**
* Converts an {@link ox#Authorization.Rpc} to an {@link ox#Authorization.Authorization}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.fromRpc({
* address: '0x0000000000000000000000000000000000000000',
* chainId: '0x1',
* nonce: '0x1',
* r: '0x635dc2033e60185bb36709c29c75d64ea51dfbd91c32ef4be198e4ceb169fb4d',
* s: '0x50c2667ac4c771072746acfdcf1f1483336dcca8bd2df47cd83175dbe60f0540',
* yParity: '0x0',
* })
* ```
*
* @param authorization - The RPC-formatted Authorization.
* @returns A signed {@link ox#Authorization.Authorization}.
*/
export function fromRpc(authorization) {
const { address, chainId, nonce } = authorization;
const signature = Signature.extract(authorization);
return {
address,
chainId: Number(chainId),
nonce: BigInt(nonce),
...signature,
};
}
/**
* Converts an {@link ox#Authorization.ListRpc} to an {@link ox#Authorization.List}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorizationList = Authorization.fromRpcList([{
* address: '0x0000000000000000000000000000000000000000',
* chainId: '0x1',
* nonce: '0x1',
* r: '0x635dc2033e60185bb36709c29c75d64ea51dfbd91c32ef4be198e4ceb169fb4d',
* s: '0x50c2667ac4c771072746acfdcf1f1483336dcca8bd2df47cd83175dbe60f0540',
* yParity: '0x0',
* }])
* ```
*
* @param authorizationList - The RPC-formatted Authorization list.
* @returns A signed {@link ox#Authorization.List}.
*/
export function fromRpcList(authorizationList) {
return authorizationList.map(fromRpc);
}
/**
* Converts an {@link ox#Authorization.Tuple} to an {@link ox#Authorization.Authorization}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.fromTuple([
* '0x1',
* '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* '0x3'
* ])
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 1,
* // @log: nonce: 3n
* // @log: }
* ```
*
* @example
* It is also possible to append a Signature tuple to the end of an Authorization tuple.
*
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.fromTuple([
* '0x1',
* '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* '0x3',
* '0x1',
* '0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90',
* '0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064',
* ])
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 1,
* // @log: nonce: 3n
* // @log: r: BigInt('0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90'),
* // @log: s: BigInt('0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064'),
* // @log: yParity: 0,
* // @log: }
* ```
*
* @param tuple - The [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple.
* @returns The {@link ox#Authorization.Authorization}.
*/
export function fromTuple(tuple) {
const [chainId, address, nonce, yParity, r, s] = tuple;
let args = {
address,
chainId: chainId === '0x' ? 0 : Number(chainId),
nonce: nonce === '0x' ? 0n : BigInt(nonce),
};
if (yParity && r && s)
args = { ...args, ...Signature.fromTuple([yParity, r, s]) };
return from(args);
}
/**
* Converts an {@link ox#Authorization.TupleList} to an {@link ox#Authorization.List}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorizationList = Authorization.fromTupleList([
* ['0x1', '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c', '0x3'],
* ['0x3', '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c', '0x14'],
* ])
* // @log: [
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 1,
* // @log: nonce: 3n,
* // @log: },
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 3,
* // @log: nonce: 20n,
* // @log: },
* // @log: ]
* ```
*
* @example
* It is also possible to append a Signature tuple to the end of an Authorization tuple.
*
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorizationList = Authorization.fromTupleList([
* ['0x1', '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c', '0x3', '0x1', '0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90', '0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064'],
* ['0x3', '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c', '0x14', '0x1', '0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90', '0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064'],
* ])
* // @log: [
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 1,
* // @log: nonce: 3n,
* // @log: r: BigInt('0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90'),
* // @log: s: BigInt('0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064'),
* // @log: yParity: 0,
* // @log: },
* // @log: {
* // @log: address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
* // @log: chainId: 3,
* // @log: nonce: 20n,
* // @log: r: BigInt('0x68a020a209d3d56c46f38cc50a33f704f4a9a10a59377f8dd762ac66910e9b90'),
* // @log: s: BigInt('0x7e865ad05c4035ab5792787d4a0297a43617ae897930a6fe4d822b8faea52064'),
* // @log: yParity: 0,
* // @log: },
* // @log: ]
* ```
*
* @param tupleList - The [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple list.
* @returns An {@link ox#Authorization.List}.
*/
export function fromTupleList(tupleList) {
const list = [];
for (const tuple of tupleList)
list.push(fromTuple(tuple));
return list;
}
/**
* Computes the sign payload for an {@link ox#Authorization.Authorization} in [EIP-7702 format](https://eips.ethereum.org/EIPS/eip-7702): `keccak256('0x05' || rlp([chain_id, address, nonce]))`.
*
* @example
* The example below demonstrates computing the sign payload for an {@link ox#Authorization.Authorization}. This payload
* can then be passed to signing functions like {@link ox#Secp256k1.(sign:function)}.
*
* ```ts twoslash
* import { Authorization, Secp256k1 } from 'ox'
*
* const authorization = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 1,
* nonce: 69n,
* })
*
* const payload = Authorization.getSignPayload(authorization) // [!code focus]
*
* const signature = Secp256k1.sign({
* payload,
* privateKey: '0x...',
* })
* ```
*
* @param authorization - The {@link ox#Authorization.Authorization}.
* @returns The sign payload.
*/
export function getSignPayload(authorization) {
return hash(authorization, { presign: true });
}
/**
* Computes the hash for an {@link ox#Authorization.Authorization} in [EIP-7702 format](https://eips.ethereum.org/EIPS/eip-7702): `keccak256('0x05' || rlp([chain_id, address, nonce]))`.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 1,
* nonce: 69n,
* })
*
* const hash = Authorization.hash(authorization) // [!code focus]
* ```
*
* @param authorization - The {@link ox#Authorization.Authorization}.
* @returns The hash.
*/
export function hash(authorization, options = {}) {
const { presign } = options;
return Hash.keccak256(Hex.concat('0x05', Rlp.fromHex(toTuple(presign
? {
address: authorization.address,
chainId: authorization.chainId,
nonce: authorization.nonce,
}
: authorization))));
}
/**
* Converts an {@link ox#Authorization.Authorization} to an {@link ox#Authorization.Rpc}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.toRpc({
* address: '0x0000000000000000000000000000000000000000',
* chainId: 1,
* nonce: 1n,
* r: 44944627813007772897391531230081695102703289123332187696115181104739239197517n,
* s: 36528503505192438307355164441104001310566505351980369085208178712678799181120n,
* yParity: 0,
* })
* ```
*
* @param authorization - An Authorization.
* @returns An RPC-formatted Authorization.
*/
export function toRpc(authorization) {
const { address, chainId, nonce, ...signature } = authorization;
return {
address,
chainId: Hex.fromNumber(chainId),
nonce: Hex.fromNumber(nonce),
...Signature.toRpc(signature),
};
}
/**
* Converts an {@link ox#Authorization.List} to an {@link ox#Authorization.ListRpc}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.toRpcList([{
* address: '0x0000000000000000000000000000000000000000',
* chainId: 1,
* nonce: 1n,
* r: 44944627813007772897391531230081695102703289123332187696115181104739239197517n,
* s: 36528503505192438307355164441104001310566505351980369085208178712678799181120n,
* yParity: 0,
* }])
* ```
*
* @param authorizationList - An Authorization List.
* @returns An RPC-formatted Authorization List.
*/
export function toRpcList(authorizationList) {
return authorizationList.map(toRpc);
}
/**
* Converts an {@link ox#Authorization.Authorization} to an {@link ox#Authorization.Tuple}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 1,
* nonce: 69n,
* })
*
* const tuple = Authorization.toTuple(authorization) // [!code focus]
* // @log: [
* // @log: address: '0x1234567890abcdef1234567890abcdef12345678',
* // @log: chainId: 1,
* // @log: nonce: 69n,
* // @log: ]
* ```
*
* @param authorization - The {@link ox#Authorization.Authorization}.
* @returns An [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple.
*/
export function toTuple(authorization) {
const { address, chainId, nonce } = authorization;
const signature = Signature.extract(authorization);
return [
chainId ? Hex.fromNumber(chainId) : '0x',
address,
nonce ? Hex.fromNumber(nonce) : '0x',
...(signature ? Signature.toTuple(signature) : []),
];
}
/**
* Converts an {@link ox#Authorization.List} to an {@link ox#Authorization.TupleList}.
*
* @example
* ```ts twoslash
* import { Authorization } from 'ox'
*
* const authorization_1 = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 1,
* nonce: 69n,
* })
* const authorization_2 = Authorization.from({
* address: '0x1234567890abcdef1234567890abcdef12345678',
* chainId: 3,
* nonce: 20n,
* })
*
* const tuple = Authorization.toTupleList([authorization_1, authorization_2]) // [!code focus]
* // @log: [
* // @log: [
* // @log: address: '0x1234567890abcdef1234567890abcdef12345678',
* // @log: chainId: 1,
* // @log: nonce: 69n,
* // @log: ],
* // @log: [
* // @log: address: '0x1234567890abcdef1234567890abcdef12345678',
* // @log: chainId: 3,
* // @log: nonce: 20n,
* // @log: ],
* // @log: ]
* ```
*
* @param list - An {@link ox#Authorization.List}.
* @returns An [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple list.
*/
export function toTupleList(list) {
if (!list || list.length === 0)
return [];
const tupleList = [];
for (const authorization of list)
tupleList.push(toTuple(authorization));
return tupleList;
}
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