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my-project-public — gitlawb

#1	/**
#2	* Automaton Wallet Management
#3	*
#4	* Creates and manages an EVM wallet for the automaton's identity and payments.
#5	* The private key is the automaton's sovereign identity.
#6	* Adapted from conway-mcp/src/wallet.ts
#7	*/
#8
#9	import type { PrivateKeyAccount } from "viem";
#10	import { generatePrivateKey, privateKeyToAccount } from "viem/accounts";
#11	import fs from "fs";
#12	import path from "path";
#13	import type { WalletData } from "../types.js";
#14
#15	const AUTOMATON_DIR = path.join(
#16	process.env.HOME \|\| "/root",
#17	".automaton",
#18	);
#19	const WALLET_FILE = path.join(AUTOMATON_DIR, "wallet.json");
#20
#21	export function getAutomatonDir(): string {
#22	return AUTOMATON_DIR;
#23	}
#24
#25	export function getWalletPath(): string {
#26	return WALLET_FILE;
#27	}
#28
#29	/**
#30	* Get or create the automaton's wallet.
#31	* The private key IS the automaton's identity -- protect it.
#32	*/
#33	export async function getWallet(): Promise<{
#34	account: PrivateKeyAccount;
#35	isNew: boolean;
#36	}> {
#37	if (!fs.existsSync(AUTOMATON_DIR)) {
#38	fs.mkdirSync(AUTOMATON_DIR, { recursive: true, mode: 0o700 });
#39	}
#40
#41	if (fs.existsSync(WALLET_FILE)) {
#42	const walletData: WalletData = JSON.parse(
#43	fs.readFileSync(WALLET_FILE, "utf-8"),
#44	);
#45	const account = privateKeyToAccount(walletData.privateKey);
#46	return { account, isNew: false };
#47	} else {
#48	const privateKey = generatePrivateKey();
#49	const account = privateKeyToAccount(privateKey);
#50
#51	const walletData: WalletData = {
#52	privateKey,
#53	createdAt: new Date().toISOString(),
#54	};
#55
#56	fs.writeFileSync(WALLET_FILE, JSON.stringify(walletData, null, 2), {
#57	mode: 0o600,
#58	});
#59
#60	return { account, isNew: true };
#61	}
#62	}
#63
#64	/**
#65	* Get the wallet address without loading the full account.
#66	*/
#67	export function getWalletAddress(): string \| null {
#68	if (!fs.existsSync(WALLET_FILE)) {
#69	return null;
#70	}
#71
#72	const walletData: WalletData = JSON.parse(
#73	fs.readFileSync(WALLET_FILE, "utf-8"),
#74	);
#75	const account = privateKeyToAccount(walletData.privateKey);
#76	return account.address;
#77	}
#78
#79	/**
#80	* Load the full wallet account (needed for signing).
#81	*/
#82	export function loadWalletAccount(): PrivateKeyAccount \| null {
#83	if (!fs.existsSync(WALLET_FILE)) {
#84	return null;
#85	}
#86
#87	const walletData: WalletData = JSON.parse(
#88	fs.readFileSync(WALLET_FILE, "utf-8"),
#89	);
#90	return privateKeyToAccount(walletData.privateKey);
#91	}
#92
#93	export function walletExists(): boolean {
#94	return fs.existsSync(WALLET_FILE);
#95	}
#96

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