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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/ox/core
Просмотр файла: TransactionEnvelopeEip4844.ts
import * as AccessList from './AccessList.js'
import * as Blobs from './Blobs.js'
import type * as Errors from './Errors.js'
import * as Hash from './Hash.js'
import * as Hex from './Hex.js'
import type {
Assign,
Compute,
PartialBy,
UnionPartialBy,
} from './internal/types.js'
import * as Kzg from './Kzg.js'
import * as Rlp from './Rlp.js'
import * as Signature from './Signature.js'
import * as TransactionEnvelope from './TransactionEnvelope.js'
import * as TransactionEnvelopeEip1559 from './TransactionEnvelopeEip1559.js'
export type TransactionEnvelopeEip4844<
signed extends boolean = boolean,
bigintType = bigint,
numberType = number,
type extends string = Type,
> = Compute<
TransactionEnvelope.Base<type, signed, bigintType, numberType> & {
/** EIP-2930 Access List. */
accessList?: AccessList.AccessList | undefined
/** Versioned hashes of blobs to be included in the transaction. */
blobVersionedHashes: readonly Hex.Hex[]
/** Maximum total fee per gas sender is willing to pay for blob gas (in wei). */
maxFeePerBlobGas?: bigintType | undefined
/** Total fee per gas in wei (gasPrice/baseFeePerGas + maxPriorityFeePerGas). */
maxFeePerGas?: bigintType | undefined
/** Max priority fee per gas (in wei). */
maxPriorityFeePerGas?: bigintType | undefined
/** The sidecars associated with this transaction. When defined, the envelope is in the "network wrapper" format. */
sidecars?: readonly Blobs.BlobSidecar<Hex.Hex>[] | undefined
}
>
export type Rpc<signed extends boolean = boolean> = TransactionEnvelopeEip4844<
signed,
Hex.Hex,
Hex.Hex,
'0x3'
>
export type Serialized = `${SerializedType}${string}`
export const serializedType = '0x03' as const
export type SerializedType = typeof serializedType
export type Signed = TransactionEnvelopeEip4844<true>
export const type = 'eip4844' as const
export type Type = 'eip4844'
/**
* Asserts a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844} is valid.
*
* @example
* ```ts twoslash
* import { TransactionEnvelopeEip4844, Value } from 'ox'
*
* TransactionEnvelopeEip4844.assert({
* blobVersionedHashes: [],
* chainId: 1,
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
* // @error: EmptyBlobVersionedHashesError: Blob versioned hashes must not be empty.
* ```
*
* @param envelope - The transaction envelope to assert.
*/
export function assert(
envelope: PartialBy<TransactionEnvelopeEip4844, 'type'>,
) {
const { blobVersionedHashes } = envelope
if (blobVersionedHashes) {
if (blobVersionedHashes.length === 0)
throw new Blobs.EmptyBlobVersionedHashesError()
for (const hash of blobVersionedHashes) {
const size = Hex.size(hash)
const version = Hex.toNumber(Hex.slice(hash, 0, 1))
if (size !== 32)
throw new Blobs.InvalidVersionedHashSizeError({ hash, size })
if (version !== Kzg.versionedHashVersion)
throw new Blobs.InvalidVersionedHashVersionError({
hash,
version,
})
}
}
TransactionEnvelopeEip1559.assert(
envelope as {} as TransactionEnvelopeEip1559.TransactionEnvelopeEip1559,
)
}
export declare namespace assert {
type ErrorType =
| TransactionEnvelopeEip1559.assert.ErrorType
| Hex.size.ErrorType
| Hex.toNumber.ErrorType
| Hex.slice.ErrorType
| Blobs.EmptyBlobVersionedHashesError
| Blobs.InvalidVersionedHashSizeError
| Blobs.InvalidVersionedHashVersionError
| Errors.GlobalErrorType
}
/**
* Deserializes a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844} from its serialized form.
*
* @example
* ```ts twoslash
* import { TransactionEnvelopeEip4844 } from 'ox'
*
* const envelope = TransactionEnvelopeEip4844.deserialize('0x03ef0182031184773594008477359400809470997970c51812dc3a010c7d01b50e0d17dc79c8880de0b6b3a764000080c0')
* // @log: {
* // @log: blobVersionedHashes: [...],
* // @log: type: 'eip4844',
* // @log: nonce: 785n,
* // @log: maxFeePerGas: 2000000000n,
* // @log: gas: 1000000n,
* // @log: to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* // @log: value: 1000000000000000000n,
* // @log: }
* ```
*
* @param serialized - The serialized transaction.
* @returns Deserialized Transaction Envelope.
*/
export function deserialize(
serialized: Serialized,
): Compute<TransactionEnvelopeEip4844> {
const transactionOrWrapperArray = Rlp.toHex(Hex.slice(serialized, 1))
const hasNetworkWrapper = transactionOrWrapperArray.length === 4
const transactionArray = hasNetworkWrapper
? transactionOrWrapperArray[0]!
: transactionOrWrapperArray
const wrapperArray = hasNetworkWrapper
? transactionOrWrapperArray.slice(1)
: []
const [
chainId,
nonce,
maxPriorityFeePerGas,
maxFeePerGas,
gas,
to,
value,
data,
accessList,
maxFeePerBlobGas,
blobVersionedHashes,
yParity,
r,
s,
] = transactionArray
const [blobs, commitments, proofs] = wrapperArray
if (!(transactionArray.length === 11 || transactionArray.length === 14))
throw new TransactionEnvelope.InvalidSerializedError({
attributes: {
chainId,
nonce,
maxPriorityFeePerGas,
maxFeePerGas,
gas,
to,
value,
data,
accessList,
...(transactionArray.length > 9
? {
yParity,
r,
s,
}
: {}),
},
serialized,
type,
})
let transaction = {
blobVersionedHashes: blobVersionedHashes as Hex.Hex[],
chainId: Number(chainId),
type,
} as TransactionEnvelopeEip4844
if (Hex.validate(to) && to !== '0x') transaction.to = to
if (Hex.validate(gas) && gas !== '0x') transaction.gas = BigInt(gas)
if (Hex.validate(data) && data !== '0x') transaction.data = data
if (Hex.validate(nonce))
transaction.nonce = nonce === '0x' ? 0n : BigInt(nonce)
if (Hex.validate(value) && value !== '0x') transaction.value = BigInt(value)
if (Hex.validate(maxFeePerBlobGas) && maxFeePerBlobGas !== '0x')
transaction.maxFeePerBlobGas = BigInt(maxFeePerBlobGas)
if (Hex.validate(maxFeePerGas) && maxFeePerGas !== '0x')
transaction.maxFeePerGas = BigInt(maxFeePerGas)
if (Hex.validate(maxPriorityFeePerGas) && maxPriorityFeePerGas !== '0x')
transaction.maxPriorityFeePerGas = BigInt(maxPriorityFeePerGas)
if (accessList?.length !== 0 && accessList !== '0x')
transaction.accessList = AccessList.fromTupleList(accessList as any)
if (blobs && commitments && proofs)
transaction.sidecars = Blobs.toSidecars(blobs as Hex.Hex[], {
commitments: commitments as Hex.Hex[],
proofs: proofs as Hex.Hex[],
})
const signature =
r && s && yParity
? Signature.fromTuple([yParity as Hex.Hex, r as Hex.Hex, s as Hex.Hex])
: undefined
if (signature)
transaction = {
...transaction,
...signature,
} as TransactionEnvelopeEip4844
assert(transaction)
return transaction
}
export declare namespace deserialize {
type ErrorType = Errors.GlobalErrorType
}
/**
* Converts an arbitrary transaction object into an EIP-4844 Transaction Envelope.
*
* @example
* ```ts twoslash
* // @noErrors
* import { Blobs, TransactionEnvelopeEip4844, Value } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const blobVersionedHashes = Blobs.toVersionedHashes(blobs, { kzg })
*
* const envelope = TransactionEnvelopeEip4844.from({
* chainId: 1,
* blobVersionedHashes,
* maxFeePerBlobGas: Value.fromGwei('3'),
* maxFeePerGas: Value.fromGwei('10'),
* maxPriorityFeePerGas: Value.fromGwei('1'),
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
* ```
*
* @example
* ### Attaching Signatures
*
* It is possible to attach a `signature` to the transaction envelope.
*
* ```ts twoslash
* // @noErrors
* import { Blobs, Secp256k1, TransactionEnvelopeEip4844, Value } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const sidecars = Blobs.toSidecars(blobs, { kzg })
* const blobVersionedHashes = Blobs.sidecarsToVersionedHashes(sidecars)
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* maxFeePerBlobGas: Value.fromGwei('3'),
* maxFeePerGas: Value.fromGwei('10'),
* maxPriorityFeePerGas: Value.fromGwei('1'),
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
*
* const signature = Secp256k1.sign({
* payload: TransactionEnvelopeEip4844.getSignPayload(envelope),
* privateKey: '0x...',
* })
*
* const envelope_signed = TransactionEnvelopeEip4844.from(envelope, { // [!code focus]
* sidecars, // [!code focus]
* signature, // [!code focus]
* }) // [!code focus]
* // @log: {
* // @log: blobVersionedHashes: [...],
* // @log: chainId: 1,
* // @log: maxFeePerBlobGas: 3000000000n,
* // @log: maxFeePerGas: 10000000000n,
* // @log: maxPriorityFeePerGas: 1000000000n,
* // @log: to: '0x0000000000000000000000000000000000000000',
* // @log: type: 'eip4844',
* // @log: value: 1000000000000000000n,
* // @log: r: 125...n,
* // @log: s: 642...n,
* // @log: yParity: 0,
* // @log: }
* ```
*
* @example
* ### From Serialized
*
* It is possible to instantiate an EIP-4844 Transaction Envelope from a {@link ox#TransactionEnvelopeEip4844.Serialized} value.
*
* ```ts twoslash
* import { TransactionEnvelopeEip4844 } from 'ox'
*
* const envelope = TransactionEnvelopeEip4844.from('0x03f858018203118502540be4008504a817c800809470997970c51812dc3a010c7d01b50e0d17dc79c8880de0b6b3a764000080c08477359400e1a001627c687261b0e7f8638af1112efa8a77e23656f6e7945275b19e9deed80261')
* // @log: {
* // @log: blobVersionedHashes: [...],
* // @log: chainId: 1,
* // @log: maxFeePerGas: 10000000000n,
* // @log: to: '0x0000000000000000000000000000000000000000',
* // @log: type: 'eip4844',
* // @log: value: 1000000000000000000n,
* // @log: }
* ```
*
* @param envelope - The transaction object to convert.
* @param options - Options.
* @returns An EIP-4844 Transaction Envelope.
*/
export function from<
const envelope extends
| UnionPartialBy<TransactionEnvelopeEip4844, 'type'>
| Serialized,
const signature extends Signature.Signature | undefined = undefined,
>(
envelope:
| envelope
| UnionPartialBy<TransactionEnvelopeEip4844, 'type'>
| Serialized,
options: from.Options<signature> = {},
): from.ReturnType<envelope, signature> {
const { signature } = options
const envelope_ = (
typeof envelope === 'string' ? deserialize(envelope) : envelope
) as TransactionEnvelopeEip4844
assert(envelope_)
return {
...envelope_,
...(signature ? Signature.from(signature) : {}),
type: 'eip4844',
} as never
}
export declare namespace from {
type Options<signature extends Signature.Signature | undefined = undefined> =
{
signature?: signature | Signature.Signature | undefined
}
type ReturnType<
envelope extends
| UnionPartialBy<TransactionEnvelopeEip4844, 'type'>
| Hex.Hex = TransactionEnvelopeEip4844 | Hex.Hex,
signature extends Signature.Signature | undefined = undefined,
> = Compute<
envelope extends Hex.Hex
? TransactionEnvelopeEip4844
: Assign<
envelope,
(signature extends Signature.Signature ? Readonly<signature> : {}) & {
readonly type: 'eip4844'
}
>
>
type ErrorType =
| deserialize.ErrorType
| assert.ErrorType
| Errors.GlobalErrorType
}
/**
* Returns the payload to sign for a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844}.
*
* @example
* The example below demonstrates how to compute the sign payload which can be used
* with ECDSA signing utilities like {@link ox#Secp256k1.(sign:function)}.
*
* ```ts twoslash
* // @noErrors
* import { Blobs, Secp256k1, TransactionEnvelopeEip4844 } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const blobVersionedHashes = Blobs.toVersionedHashes(blobs, { kzg })
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* nonce: 0n,
* maxFeePerGas: 1000000000n,
* gas: 21000n,
* to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* value: 1000000000000000000n,
* })
*
* const payload = TransactionEnvelopeEip4844.getSignPayload(envelope) // [!code focus]
* // @log: '0x...'
*
* const signature = Secp256k1.sign({ payload, privateKey: '0x...' })
* ```
*
* @param envelope - The transaction envelope to get the sign payload for.
* @returns The sign payload.
*/
export function getSignPayload(
envelope: TransactionEnvelopeEip4844,
): getSignPayload.ReturnType {
return hash(envelope, { presign: true })
}
export declare namespace getSignPayload {
type ReturnType = Hex.Hex
type ErrorType = hash.ErrorType | Errors.GlobalErrorType
}
/**
* Hashes a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844}. This is the "transaction hash".
*
* @example
* ```ts twoslash
* // @noErrors
* import { Blobs, TransactionEnvelopeEip4844 } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const blobVersionedHashes = Blobs.toVersionedHashes(blobs, { kzg })
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* nonce: 0n,
* maxFeePerGas: 1000000000n,
* gas: 21000n,
* to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* value: 1000000000000000000n,
* })
*
* const hash = TransactionEnvelopeEip4844.hash(envelope) // [!code focus]
* ```
*
* @param envelope - The EIP-4844 Transaction Envelope to hash.
* @param options - Options.
* @returns The hash of the transaction envelope.
*/
export function hash<presign extends boolean = false>(
envelope: TransactionEnvelopeEip4844<presign extends true ? false : true>,
options: hash.Options<presign> = {},
): hash.ReturnType {
const { presign } = options
return Hash.keccak256(
serialize({
...envelope,
...(presign
? {
sidecars: undefined,
r: undefined,
s: undefined,
yParity: undefined,
v: undefined,
}
: {}),
}),
)
}
export declare namespace hash {
type Options<presign extends boolean = false> = {
/** Whether to hash this transaction for signing. @default false */
presign?: presign | boolean | undefined
}
type ReturnType = Hex.Hex
type ErrorType =
| Hash.keccak256.ErrorType
| serialize.ErrorType
| Errors.GlobalErrorType
}
/**
* Serializes a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844}.
*
* @example
* ```ts twoslash
* // @noErrors
* import { Blobs, TransactionEnvelopeEip4844 } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const blobVersionedHashes = Blobs.toVersionedHashes(blobs, { kzg })
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* maxFeePerGas: Value.fromGwei('10'),
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
*
* const serialized = TransactionEnvelopeEip4844.serialize(envelope) // [!code focus]
* ```
*
* @example
* ### Attaching Signatures
*
* It is possible to attach a `signature` to the serialized Transaction Envelope.
*
* ```ts twoslash
* // @noErrors
* import { Blobs, Secp256k1, TransactionEnvelopeEip4844, Value } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const sidecars = Blobs.toSidecars(blobs, { kzg })
* const blobVersionedHashes = Blobs.sidecarsToVersionedHashes(blobs)
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* maxFeePerBlobGas: Value.fromGwei('3'),
* maxFeePerGas: Value.fromGwei('10'),
* maxPriorityFeePerGas: Value.fromGwei('1'),
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
*
* const signature = Secp256k1.sign({
* payload: TransactionEnvelopeEip4844.getSignPayload(envelope),
* privateKey: '0x...',
* })
*
* const serialized = TransactionEnvelopeEip4844.serialize(envelope, { // [!code focus]
* sidecars, // [!code focus]
* signature, // [!code focus]
* }) // [!code focus]
*
* // ... send `serialized` transaction to JSON-RPC `eth_sendRawTransaction`
* ```
*
* @param envelope - The Transaction Envelope to serialize.
* @param options - Options.
* @returns The serialized Transaction Envelope.
*/
export function serialize(
envelope: PartialBy<TransactionEnvelopeEip4844, 'type'>,
options: serialize.Options = {},
): Serialized {
const {
blobVersionedHashes,
chainId,
gas,
nonce,
to,
value,
maxFeePerBlobGas,
maxFeePerGas,
maxPriorityFeePerGas,
accessList,
data,
} = envelope
assert(envelope)
const accessTupleList = AccessList.toTupleList(accessList)
const signature = Signature.extract(options.signature || envelope)
const serialized = [
Hex.fromNumber(chainId),
nonce ? Hex.fromNumber(nonce) : '0x',
maxPriorityFeePerGas ? Hex.fromNumber(maxPriorityFeePerGas) : '0x',
maxFeePerGas ? Hex.fromNumber(maxFeePerGas) : '0x',
gas ? Hex.fromNumber(gas) : '0x',
to ?? '0x',
value ? Hex.fromNumber(value) : '0x',
data ?? '0x',
accessTupleList,
maxFeePerBlobGas ? Hex.fromNumber(maxFeePerBlobGas) : '0x',
blobVersionedHashes ?? [],
...(signature ? Signature.toTuple(signature) : []),
] as const
const sidecars = options.sidecars || envelope.sidecars
const blobs: Hex.Hex[] = []
const commitments: Hex.Hex[] = []
const proofs: Hex.Hex[] = []
if (sidecars)
for (let i = 0; i < sidecars.length; i++) {
const { blob, commitment, proof } = sidecars[i]!
blobs.push(blob)
commitments.push(commitment)
proofs.push(proof)
}
return Hex.concat(
'0x03',
sidecars
? // If sidecars are provided, envelope turns into a "network wrapper":
Rlp.fromHex([serialized, blobs, commitments, proofs])
: // Otherwise, standard envelope is used:
Rlp.fromHex(serialized),
) as Serialized
}
export declare namespace serialize {
type Options = {
/** Signature to append to the serialized Transaction Envelope. */
signature?: Signature.Signature | undefined
/** Sidecars to append to the serialized Transaction Envelope. */
sidecars?: Blobs.BlobSidecars<Hex.Hex> | undefined
}
type ErrorType =
| assert.ErrorType
| Hex.fromNumber.ErrorType
| Signature.toTuple.ErrorType
| Hex.concat.ErrorType
| Rlp.fromHex.ErrorType
| Errors.GlobalErrorType
}
/**
* Converts an {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844} to an {@link ox#TransactionEnvelopeEip4844.Rpc}.
*
* @example
* ```ts twoslash
* // @noErrors
* import { Blobs, RpcRequest, TransactionEnvelopeEip4844, Value } from 'ox'
* import { kzg } from './kzg'
*
* const blobs = Blobs.from('0xdeadbeef')
* const blobVersionedHashes = Blobs.toVersionedHashes(blobs, { kzg })
*
* const envelope = TransactionEnvelopeEip4844.from({
* blobVersionedHashes,
* chainId: 1,
* nonce: 0n,
* gas: 21000n,
* maxFeePerBlobGas: Value.fromGwei('20'),
* to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* value: Value.fromEther('1'),
* })
*
* const envelope_rpc = TransactionEnvelopeEip4844.toRpc(envelope) // [!code focus]
*
* const request = RpcRequest.from({
* id: 0,
* method: 'eth_sendTransaction',
* params: [envelope_rpc],
* })
* ```
*
* @param envelope - The EIP-4844 transaction envelope to convert.
* @returns An RPC-formatted EIP-4844 transaction envelope.
*/
export function toRpc(envelope: Omit<TransactionEnvelopeEip4844, 'type'>): Rpc {
const signature = Signature.extract(envelope)
return {
...envelope,
chainId: Hex.fromNumber(envelope.chainId),
data: envelope.data ?? envelope.input,
...(typeof envelope.gas === 'bigint'
? { gas: Hex.fromNumber(envelope.gas) }
: {}),
...(typeof envelope.nonce === 'bigint'
? { nonce: Hex.fromNumber(envelope.nonce) }
: {}),
...(typeof envelope.value === 'bigint'
? { value: Hex.fromNumber(envelope.value) }
: {}),
...(typeof envelope.maxFeePerBlobGas === 'bigint'
? { maxFeePerBlobGas: Hex.fromNumber(envelope.maxFeePerBlobGas) }
: {}),
...(typeof envelope.maxFeePerGas === 'bigint'
? { maxFeePerGas: Hex.fromNumber(envelope.maxFeePerGas) }
: {}),
...(typeof envelope.maxPriorityFeePerGas === 'bigint'
? { maxPriorityFeePerGas: Hex.fromNumber(envelope.maxPriorityFeePerGas) }
: {}),
type: '0x3',
...(signature ? Signature.toRpc(signature) : {}),
} as never
}
export declare namespace toRpc {
export type ErrorType = Signature.extract.ErrorType | Errors.GlobalErrorType
}
/**
* Validates a {@link ox#TransactionEnvelopeEip4844.TransactionEnvelopeEip4844}. Returns `true` if the envelope is valid, `false` otherwise.
*
* @example
* ```ts twoslash
* import { TransactionEnvelopeEip4844, Value } from 'ox'
*
* const valid = TransactionEnvelopeEip4844.assert({
* blobVersionedHashes: [],
* chainId: 1,
* to: '0x0000000000000000000000000000000000000000',
* value: Value.fromEther('1'),
* })
* // @log: false
* ```
*
* @param envelope - The transaction envelope to validate.
*/
export function validate(
envelope: PartialBy<TransactionEnvelopeEip4844, 'type'>,
) {
try {
assert(envelope)
return true
} catch {
return false
}
}
export declare namespace validate {
type ErrorType = Errors.GlobalErrorType
}
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