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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| import { Address } from './address.js' | ||
| import { bigIntToHex, bytesToHex, toBytes } from './bytes.js' | ||
| import { BIGINT_0 } from './constants.js' | ||
| import { TypeOutput, toType } from './types.js' | ||
|
|
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| import type { AddressLike, BigIntLike, BytesLike, PrefixedHexString } from './types.js' | ||
|
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| /** | ||
| * Flexible input data type for EIP-4895 withdrawal data with amount in Gwei to | ||
| * match CL representation and for eventual ssz withdrawalsRoot | ||
| */ | ||
| export type ExitData = { | ||
| address: Uint8Array | ||
| validatorPubkey: Uint8Array | ||
| } | ||
|
|
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| /** | ||
| * JSON RPC interface for EIP-7002 exit data | ||
| */ | ||
| export interface JsonRpcExit { | ||
| address: PrefixedHexString // 20 bytes | ||
| validatorPubkey: PrefixedHexString // 48 bytes | ||
| } | ||
|
|
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| export type ExitBytes = [Uint8Array, Uint8Array] | ||
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| /** | ||
| * Representation of EIP-7002 exit data | ||
| */ | ||
| export class Exit { | ||
| /** | ||
| * This constructor assigns and validates the values. | ||
| * Use the static factory methods to assist in creating a Withdrawal object from varying data types. | ||
| * Its amount is in Gwei to match CL representation and for eventual ssz withdrawalsRoot | ||
| */ | ||
| constructor(public readonly address: Uint8Array, public readonly validatorPubkey: Uint8Array) {} | ||
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| public static fromExitData(exitData: ExitData) { | ||
| const { address, validatorPubkey } = exitData | ||
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| const vPubKey = toType(validatorPubkey, TypeOutput.Uint8Array) | ||
| const addr = toType(address, TypeOutput.Uint8Array) | ||
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| return new Exit(addr, vPubKey) | ||
| } | ||
|
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| public static fromValuesArray(exitArray: ExitBytes) { | ||
| if (exitArray.length !== 2) { | ||
| throw Error(`Invalid exitArray length expected=2 actual=${exitArray.length}`) | ||
| } | ||
| const [address, validatorPubkey] = exitArray | ||
| return Exit.fromExitData({ validatorPubkey, address }) | ||
| } | ||
|
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| /** | ||
| * Convert a withdrawal to a buffer array | ||
| * @param withdrawal the withdrawal to convert | ||
| * @returns buffer array of the withdrawal | ||
| */ | ||
| public static toBytesArray(exit: Exit | ExitData): ExitBytes { | ||
| const { validatorPubkey, address } = exit | ||
|
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| return [address, validatorPubkey] | ||
| } | ||
|
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| raw() { | ||
| return Exit.toBytesArray(this) | ||
| } | ||
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| toValue() { | ||
| return { | ||
| address: this.address, | ||
| validatorPubkey: this.validatorPubkey, | ||
| } | ||
| } | ||
|
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| toJSON() { | ||
| return { | ||
| address: this.address.toString(), | ||
| validatorPubkey: bytesToHex(this.validatorPubkey), | ||
| } | ||
| } | ||
| } |
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