@metamask/utils/dist/transaction-types.d.mts

Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase

import type { Bytes } from "./bytes.mjs";
import type { Hex } from "./hex.mjs";
export type Transaction = LegacyTransaction | EIP2930Transaction | EIP1559Transaction;
export type SignedTransaction = Transaction & Signature;
export type Signature = {
    /**
     * EC signature parameter
     * 32 bytes long sequence.
     */
    r: Bytes;
    /**
     * EC signature parameter
     * Signature proof.
     * 32 bytes long sequence
     */
    s: Bytes;
    /**
     * Recovery identifier. It can be either 0x1b or 0x1c
     * 1 byte long sequence
     */
    yParity: Bytes;
};
/**
 * Base Ethereum Transaction
 */
export type BaseTransaction = {
    /**
     * Sequentially incrementing counter which indicates the transaction
     * number from the account
     */
    nonce: Bytes;
    /**
     * The address of the sender, that will be signing the transaction
     */
    from: Hex | Uint8Array;
    /**
     * The receiving address.
     * If an externally-owned account, the transaction will transfer value.
     * If a contract account, the transaction will execute the contract code.
     */
    to: Hex | Uint8Array;
    /**
     * The amount of Ether sent.
     */
    value: Bytes;
    /**
     * Maximum amount of gas units that this transaction can consume.
     */
    gasLimit: Bytes;
    /**
     * Arbitrary data.
     */
    data?: Bytes;
};
/**
 * Typed Ethereum Transaction
 */
export type TypedTransaction = BaseTransaction & {
    /**
     * Transaction type.
     */
    type: number;
};
/**
 * Ethereum Legacy Transaction
 * Reference: https://ethereum.org/en/developers/docs/transactions/
 */
export type LegacyTransaction = BaseTransaction & {
    /**
     * Transaction's gas price.
     */
    gasPrice: Bytes | null;
};
/**
 * EIP-2930 Transaction: Optional Access Lists
 * Reference: https://eips.ethereum.org/EIPS/eip-2930
 */
export type EIP2930Transaction = TypedTransaction & {
    /**
     * Transaction type.
     */
    type: 1;
    /**
     * Transaction chain ID
     */
    chainId: Bytes;
    /**
     * List of addresses and storage keys that the transaction plans to access
     */
    accessList: {
        address: Hex;
        storageKeys: Hex[];
    }[] | {
        address: Uint8Array;
        storageKeys: Uint8Array[];
    }[];
};
/**
 * EIP-1559 Transaction: Fee market change for ETH 1.0 chain (Type-2)
 *
 * Reference: https://eips.ethereum.org/EIPS/eip-1559
 */
export type EIP1559Transaction = TypedTransaction & {
    /**
     * Transaction type.
     */
    type: 2;
    /**
     * Maximum fee to give to the miner
     */
    maxPriorityFeePerGas: Bytes;
    /**
     * Maximum total fee
     */
    maxFeePerGas: Bytes;
};
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