FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/@solana/wallet-standard-util/LICENSE

@@ -0,0 +1,202 @@
+
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node_modules/@solana/wallet-standard-util/lib/cjs/commitment.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getCommitment = getCommitment;
+/**
+ * TODO: docs
+ */
+function getCommitment(commitment) {
+    switch (commitment) {
+        case 'processed':
+        case 'confirmed':
+        case 'finalized':
+        case undefined:
+            return commitment;
+        case 'recent':
+            return 'processed';
+        case 'single':
+        case 'singleGossip':
+            return 'confirmed';
+        case 'max':
+        case 'root':
+            return 'finalized';
+        default:
+            return undefined;
+    }
+}
+//# sourceMappingURL=commitment.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/commitment.js.map

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node_modules/@solana/wallet-standard-util/lib/cjs/endpoint.js

@@ -0,0 +1,45 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LOCALNET_ENDPOINT = exports.TESTNET_ENDPOINT = exports.DEVNET_ENDPOINT = exports.MAINNET_ENDPOINT = void 0;
+exports.getChainForEndpoint = getChainForEndpoint;
+exports.getEndpointForChain = getEndpointForChain;
+const wallet_standard_chains_1 = require("@solana/wallet-standard-chains");
+/** TODO: docs */
+exports.MAINNET_ENDPOINT = 'https://api.mainnet-beta.solana.com';
+/** TODO: docs */
+exports.DEVNET_ENDPOINT = 'https://api.devnet.solana.com';
+/** TODO: docs */
+exports.TESTNET_ENDPOINT = 'https://api.testnet.solana.com';
+/** TODO: docs */
+exports.LOCALNET_ENDPOINT = 'http://localhost:8899';
+/**
+ * TODO: docs
+ */
+function getChainForEndpoint(endpoint) {
+    if (endpoint.includes(exports.MAINNET_ENDPOINT))
+        return wallet_standard_chains_1.SOLANA_MAINNET_CHAIN;
+    if (/\bdevnet\b/i.test(endpoint))
+        return wallet_standard_chains_1.SOLANA_DEVNET_CHAIN;
+    if (/\btestnet\b/i.test(endpoint))
+        return wallet_standard_chains_1.SOLANA_TESTNET_CHAIN;
+    if (/\blocalhost\b/i.test(endpoint) || /\b127\.0\.0\.1\b/.test(endpoint))
+        return wallet_standard_chains_1.SOLANA_LOCALNET_CHAIN;
+    return wallet_standard_chains_1.SOLANA_MAINNET_CHAIN;
+}
+/**
+ * TODO: docs
+ */
+function getEndpointForChain(chain, endpoint) {
+    if (endpoint)
+        return endpoint;
+    if (chain === wallet_standard_chains_1.SOLANA_MAINNET_CHAIN)
+        return exports.MAINNET_ENDPOINT;
+    if (chain === wallet_standard_chains_1.SOLANA_DEVNET_CHAIN)
+        return exports.DEVNET_ENDPOINT;
+    if (chain === wallet_standard_chains_1.SOLANA_TESTNET_CHAIN)
+        return exports.TESTNET_ENDPOINT;
+    if (chain === wallet_standard_chains_1.SOLANA_LOCALNET_CHAIN)
+        return exports.LOCALNET_ENDPOINT;
+    return exports.MAINNET_ENDPOINT;
+}
+//# sourceMappingURL=endpoint.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/endpoint.js.map

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node_modules/@solana/wallet-standard-util/lib/cjs/index.js

@@ -0,0 +1,21 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./commitment.js"), exports);
+__exportStar(require("./endpoint.js"), exports);
+__exportStar(require("./signIn.js"), exports);
+__exportStar(require("./signMessage.js"), exports);
+//# sourceMappingURL=index.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/index.js.map

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+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,kDAAgC;AAChC,gDAA8B;AAC9B,8CAA4B;AAC5B,mDAAiC"}

node_modules/@solana/wallet-standard-util/lib/cjs/package.json

@@ -0,0 +1 @@
+{ "type": "commonjs" }

node_modules/@solana/wallet-standard-util/lib/cjs/signIn.js

@@ -0,0 +1,186 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifySignIn = verifySignIn;
+exports.deriveSignInMessage = deriveSignInMessage;
+exports.deriveSignInMessageText = deriveSignInMessageText;
+exports.parseSignInMessage = parseSignInMessage;
+exports.parseSignInMessageText = parseSignInMessageText;
+exports.createSignInMessage = createSignInMessage;
+exports.createSignInMessageText = createSignInMessageText;
+const signMessage_js_1 = require("./signMessage.js");
+const util_js_1 = require("./util.js");
+/**
+ * TODO: docs
+ */
+function verifySignIn(input, output) {
+    const { signedMessage, signature, account: { publicKey }, } = output;
+    const message = deriveSignInMessage(input, output);
+    return (!!message && (0, signMessage_js_1.verifyMessageSignature)({ message, signedMessage, signature, publicKey: publicKey }));
+}
+/**
+ * TODO: docs
+ */
+function deriveSignInMessage(input, output) {
+    const text = deriveSignInMessageText(input, output);
+    if (!text)
+        return null;
+    return new TextEncoder().encode(text);
+}
+/**
+ * TODO: docs
+ */
+function deriveSignInMessageText(input, output) {
+    const parsed = parseSignInMessage(output.signedMessage);
+    if (!parsed)
+        return null;
+    if (input.domain && input.domain !== parsed.domain)
+        return null;
+    if (input.address && input.address !== parsed.address)
+        return null;
+    if (input.statement !== parsed.statement)
+        return null;
+    if (input.uri !== parsed.uri)
+        return null;
+    if (input.version !== parsed.version)
+        return null;
+    if (input.chainId !== parsed.chainId)
+        return null;
+    if (input.nonce !== parsed.nonce)
+        return null;
+    if (input.issuedAt !== parsed.issuedAt)
+        return null;
+    if (input.expirationTime !== parsed.expirationTime)
+        return null;
+    if (input.notBefore !== parsed.notBefore)
+        return null;
+    if (input.requestId !== parsed.requestId)
+        return null;
+    if (input.resources) {
+        if (!parsed.resources)
+            return null;
+        if (!(0, util_js_1.arraysEqual)(input.resources, parsed.resources))
+            return null;
+    }
+    else if (parsed.resources)
+        return null;
+    return createSignInMessageText(parsed);
+}
+/**
+ * TODO: docs
+ */
+function parseSignInMessage(message) {
+    const text = new TextDecoder().decode(message);
+    return parseSignInMessageText(text);
+}
+// TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+const DOMAIN = '(?<domain>[^\\n]+?) wants you to sign in with your Solana account:\\n';
+const ADDRESS = '(?<address>[^\\n]+)(?:\\n|$)';
+const STATEMENT = '(?:\\n(?<statement>[\\S\\s]*?)(?:\\n|$))??';
+const URI = '(?:\\nURI: (?<uri>[^\\n]+))?';
+const VERSION = '(?:\\nVersion: (?<version>[^\\n]+))?';
+const CHAIN_ID = '(?:\\nChain ID: (?<chainId>[^\\n]+))?';
+const NONCE = '(?:\\nNonce: (?<nonce>[^\\n]+))?';
+const ISSUED_AT = '(?:\\nIssued At: (?<issuedAt>[^\\n]+))?';
+const EXPIRATION_TIME = '(?:\\nExpiration Time: (?<expirationTime>[^\\n]+))?';
+const NOT_BEFORE = '(?:\\nNot Before: (?<notBefore>[^\\n]+))?';
+const REQUEST_ID = '(?:\\nRequest ID: (?<requestId>[^\\n]+))?';
+const RESOURCES = '(?:\\nResources:(?<resources>(?:\\n- [^\\n]+)*))?';
+const FIELDS = `${URI}${VERSION}${CHAIN_ID}${NONCE}${ISSUED_AT}${EXPIRATION_TIME}${NOT_BEFORE}${REQUEST_ID}${RESOURCES}`;
+const MESSAGE = new RegExp(`^${DOMAIN}${ADDRESS}${STATEMENT}${FIELDS}\\n*$`);
+/**
+ * TODO: docs
+ */
+function parseSignInMessageText(text) {
+    var _a;
+    const match = MESSAGE.exec(text);
+    if (!match)
+        return null;
+    const groups = match.groups;
+    if (!groups)
+        return null;
+    return {
+        domain: groups.domain,
+        address: groups.address,
+        statement: groups.statement,
+        uri: groups.uri,
+        version: groups.version,
+        nonce: groups.nonce,
+        chainId: groups.chainId,
+        issuedAt: groups.issuedAt,
+        expirationTime: groups.expirationTime,
+        notBefore: groups.notBefore,
+        requestId: groups.requestId,
+        resources: (_a = groups.resources) === null || _a === void 0 ? void 0 : _a.split('\n- ').slice(1),
+    };
+}
+/**
+ * TODO: docs
+ */
+function createSignInMessage(input) {
+    const text = createSignInMessageText(input);
+    return new TextEncoder().encode(text);
+}
+/**
+ * TODO: docs
+ */
+function createSignInMessageText(input) {
+    // ${domain} wants you to sign in with your Solana account:
+    // ${address}
+    //
+    // ${statement}
+    //
+    // URI: ${uri}
+    // Version: ${version}
+    // Chain ID: ${chain}
+    // Nonce: ${nonce}
+    // Issued At: ${issued-at}
+    // Expiration Time: ${expiration-time}
+    // Not Before: ${not-before}
+    // Request ID: ${request-id}
+    // Resources:
+    // - ${resources[0]}
+    // - ${resources[1]}
+    // ...
+    // - ${resources[n]}
+    let message = `${input.domain} wants you to sign in with your Solana account:\n`;
+    message += `${input.address}`;
+    if (input.statement) {
+        message += `\n\n${input.statement}`;
+    }
+    const fields = [];
+    if (input.uri) {
+        fields.push(`URI: ${input.uri}`);
+    }
+    if (input.version) {
+        fields.push(`Version: ${input.version}`);
+    }
+    if (input.chainId) {
+        fields.push(`Chain ID: ${input.chainId}`);
+    }
+    if (input.nonce) {
+        fields.push(`Nonce: ${input.nonce}`);
+    }
+    if (input.issuedAt) {
+        fields.push(`Issued At: ${input.issuedAt}`);
+    }
+    if (input.expirationTime) {
+        fields.push(`Expiration Time: ${input.expirationTime}`);
+    }
+    if (input.notBefore) {
+        fields.push(`Not Before: ${input.notBefore}`);
+    }
+    if (input.requestId) {
+        fields.push(`Request ID: ${input.requestId}`);
+    }
+    if (input.resources) {
+        fields.push(`Resources:`);
+        for (const resource of input.resources) {
+            fields.push(`- ${resource}`);
+        }
+    }
+    if (fields.length) {
+        message += `\n\n${fields.join('\n')}`;
+    }
+    return message;
+}
+//# sourceMappingURL=signIn.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/signMessage.js

@@ -0,0 +1,22 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyMessageSignature = verifyMessageSignature;
+exports.verifySignMessage = verifySignMessage;
+const ed25519_1 = require("@noble/curves/ed25519");
+const util_js_1 = require("./util.js");
+/**
+ * TODO: docs
+ */
+function verifyMessageSignature({ message, signedMessage, signature, publicKey, }) {
+    // TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+    return (0, util_js_1.bytesEqual)(message, signedMessage) && ed25519_1.ed25519.verify(signature, signedMessage, publicKey);
+}
+/**
+ * TODO: docs
+ */
+function verifySignMessage(input, output) {
+    const { message, account: { publicKey }, } = input;
+    const { signedMessage, signature } = output;
+    return verifyMessageSignature({ message, signedMessage, signature, publicKey: publicKey });
+}
+//# sourceMappingURL=signMessage.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/signMessage.js.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/cjs/tsconfig.cjs.tsbuildinfo

@@ -0,0 +1 @@
+{"root":["../../src/commitment.ts","../../src/endpoint.ts","../../src/index.ts","../../src/signIn.ts","../../src/signMessage.ts","../../src/util.ts"],"version":"5.7.3"}

node_modules/@solana/wallet-standard-util/lib/cjs/util.js

@@ -0,0 +1,44 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.arraysEqual = arraysEqual;
+exports.bytesEqual = bytesEqual;
+/**
+ * @internal
+ *
+ * Efficiently compare {@link Indexed} arrays (e.g. `Array` and `Uint8Array`).
+ *
+ * @param a An array.
+ * @param b Another array.
+ *
+ * @return `true` if the arrays have the same length and elements, `false` otherwise.
+ *
+ * @group Internal
+ */
+function arraysEqual(a, b) {
+    if (a === b)
+        return true;
+    const length = a.length;
+    if (length !== b.length)
+        return false;
+    for (let i = 0; i < length; i++) {
+        if (a[i] !== b[i])
+            return false;
+    }
+    return true;
+}
+/**
+ * @internal
+ *
+ * Efficiently compare byte arrays, using {@link arraysEqual}.
+ *
+ * @param a A byte array.
+ * @param b Another byte array.
+ *
+ * @return `true` if the byte arrays have the same length and bytes, `false` otherwise.
+ *
+ * @group Internal
+ */
+function bytesEqual(a, b) {
+    return arraysEqual(a, b);
+}
+//# sourceMappingURL=util.js.map

node_modules/@solana/wallet-standard-util/lib/cjs/util.js.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/esm/commitment.js

@@ -0,0 +1,23 @@
+/**
+ * TODO: docs
+ */
+export function getCommitment(commitment) {
+    switch (commitment) {
+        case 'processed':
+        case 'confirmed':
+        case 'finalized':
+        case undefined:
+            return commitment;
+        case 'recent':
+            return 'processed';
+        case 'single':
+        case 'singleGossip':
+            return 'confirmed';
+        case 'max':
+        case 'root':
+            return 'finalized';
+        default:
+            return undefined;
+    }
+}
+//# sourceMappingURL=commitment.js.map

node_modules/@solana/wallet-standard-util/lib/esm/commitment.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"commitment.js","sourceRoot":"","sources":["../../src/commitment.ts"],"names":[],"mappings":"AAKA;;GAEG;AACH,MAAM,UAAU,aAAa,CAAC,UAAuB;IACjD,QAAQ,UAAU,EAAE,CAAC;QACjB,KAAK,WAAW,CAAC;QACjB,KAAK,WAAW,CAAC;QACjB,KAAK,WAAW,CAAC;QACjB,KAAK,SAAS;YACV,OAAO,UAAU,CAAC;QACtB,KAAK,QAAQ;YACT,OAAO,WAAW,CAAC;QACvB,KAAK,QAAQ,CAAC;QACd,KAAK,cAAc;YACf,OAAO,WAAW,CAAC;QACvB,KAAK,KAAK,CAAC;QACX,KAAK,MAAM;YACP,OAAO,WAAW,CAAC;QACvB;YACI,OAAO,SAAS,CAAC;IACzB,CAAC;AACL,CAAC"}

node_modules/@solana/wallet-standard-util/lib/esm/endpoint.js

@@ -0,0 +1,40 @@
+import { SOLANA_DEVNET_CHAIN, SOLANA_LOCALNET_CHAIN, SOLANA_MAINNET_CHAIN, SOLANA_TESTNET_CHAIN, } from '@solana/wallet-standard-chains';
+/** TODO: docs */
+export const MAINNET_ENDPOINT = 'https://api.mainnet-beta.solana.com';
+/** TODO: docs */
+export const DEVNET_ENDPOINT = 'https://api.devnet.solana.com';
+/** TODO: docs */
+export const TESTNET_ENDPOINT = 'https://api.testnet.solana.com';
+/** TODO: docs */
+export const LOCALNET_ENDPOINT = 'http://localhost:8899';
+/**
+ * TODO: docs
+ */
+export function getChainForEndpoint(endpoint) {
+    if (endpoint.includes(MAINNET_ENDPOINT))
+        return SOLANA_MAINNET_CHAIN;
+    if (/\bdevnet\b/i.test(endpoint))
+        return SOLANA_DEVNET_CHAIN;
+    if (/\btestnet\b/i.test(endpoint))
+        return SOLANA_TESTNET_CHAIN;
+    if (/\blocalhost\b/i.test(endpoint) || /\b127\.0\.0\.1\b/.test(endpoint))
+        return SOLANA_LOCALNET_CHAIN;
+    return SOLANA_MAINNET_CHAIN;
+}
+/**
+ * TODO: docs
+ */
+export function getEndpointForChain(chain, endpoint) {
+    if (endpoint)
+        return endpoint;
+    if (chain === SOLANA_MAINNET_CHAIN)
+        return MAINNET_ENDPOINT;
+    if (chain === SOLANA_DEVNET_CHAIN)
+        return DEVNET_ENDPOINT;
+    if (chain === SOLANA_TESTNET_CHAIN)
+        return TESTNET_ENDPOINT;
+    if (chain === SOLANA_LOCALNET_CHAIN)
+        return LOCALNET_ENDPOINT;
+    return MAINNET_ENDPOINT;
+}
+//# sourceMappingURL=endpoint.js.map

node_modules/@solana/wallet-standard-util/lib/esm/endpoint.js.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/esm/index.js

@@ -0,0 +1,5 @@
+export * from './commitment.js';
+export * from './endpoint.js';
+export * from './signIn.js';
+export * from './signMessage.js';
+//# sourceMappingURL=index.js.map

node_modules/@solana/wallet-standard-util/lib/esm/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,cAAc,iBAAiB,CAAC;AAChC,cAAc,eAAe,CAAC;AAC9B,cAAc,aAAa,CAAC;AAC5B,cAAc,kBAAkB,CAAC"}

node_modules/@solana/wallet-standard-util/lib/esm/signIn.js

@@ -0,0 +1,176 @@
+import { verifyMessageSignature } from './signMessage.js';
+import { arraysEqual } from './util.js';
+/**
+ * TODO: docs
+ */
+export function verifySignIn(input, output) {
+    const { signedMessage, signature, account: { publicKey }, } = output;
+    const message = deriveSignInMessage(input, output);
+    return (!!message && verifyMessageSignature({ message, signedMessage, signature, publicKey: publicKey }));
+}
+/**
+ * TODO: docs
+ */
+export function deriveSignInMessage(input, output) {
+    const text = deriveSignInMessageText(input, output);
+    if (!text)
+        return null;
+    return new TextEncoder().encode(text);
+}
+/**
+ * TODO: docs
+ */
+export function deriveSignInMessageText(input, output) {
+    const parsed = parseSignInMessage(output.signedMessage);
+    if (!parsed)
+        return null;
+    if (input.domain && input.domain !== parsed.domain)
+        return null;
+    if (input.address && input.address !== parsed.address)
+        return null;
+    if (input.statement !== parsed.statement)
+        return null;
+    if (input.uri !== parsed.uri)
+        return null;
+    if (input.version !== parsed.version)
+        return null;
+    if (input.chainId !== parsed.chainId)
+        return null;
+    if (input.nonce !== parsed.nonce)
+        return null;
+    if (input.issuedAt !== parsed.issuedAt)
+        return null;
+    if (input.expirationTime !== parsed.expirationTime)
+        return null;
+    if (input.notBefore !== parsed.notBefore)
+        return null;
+    if (input.requestId !== parsed.requestId)
+        return null;
+    if (input.resources) {
+        if (!parsed.resources)
+            return null;
+        if (!arraysEqual(input.resources, parsed.resources))
+            return null;
+    }
+    else if (parsed.resources)
+        return null;
+    return createSignInMessageText(parsed);
+}
+/**
+ * TODO: docs
+ */
+export function parseSignInMessage(message) {
+    const text = new TextDecoder().decode(message);
+    return parseSignInMessageText(text);
+}
+// TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+const DOMAIN = '(?<domain>[^\\n]+?) wants you to sign in with your Solana account:\\n';
+const ADDRESS = '(?<address>[^\\n]+)(?:\\n|$)';
+const STATEMENT = '(?:\\n(?<statement>[\\S\\s]*?)(?:\\n|$))??';
+const URI = '(?:\\nURI: (?<uri>[^\\n]+))?';
+const VERSION = '(?:\\nVersion: (?<version>[^\\n]+))?';
+const CHAIN_ID = '(?:\\nChain ID: (?<chainId>[^\\n]+))?';
+const NONCE = '(?:\\nNonce: (?<nonce>[^\\n]+))?';
+const ISSUED_AT = '(?:\\nIssued At: (?<issuedAt>[^\\n]+))?';
+const EXPIRATION_TIME = '(?:\\nExpiration Time: (?<expirationTime>[^\\n]+))?';
+const NOT_BEFORE = '(?:\\nNot Before: (?<notBefore>[^\\n]+))?';
+const REQUEST_ID = '(?:\\nRequest ID: (?<requestId>[^\\n]+))?';
+const RESOURCES = '(?:\\nResources:(?<resources>(?:\\n- [^\\n]+)*))?';
+const FIELDS = `${URI}${VERSION}${CHAIN_ID}${NONCE}${ISSUED_AT}${EXPIRATION_TIME}${NOT_BEFORE}${REQUEST_ID}${RESOURCES}`;
+const MESSAGE = new RegExp(`^${DOMAIN}${ADDRESS}${STATEMENT}${FIELDS}\\n*$`);
+/**
+ * TODO: docs
+ */
+export function parseSignInMessageText(text) {
+    const match = MESSAGE.exec(text);
+    if (!match)
+        return null;
+    const groups = match.groups;
+    if (!groups)
+        return null;
+    return {
+        domain: groups.domain,
+        address: groups.address,
+        statement: groups.statement,
+        uri: groups.uri,
+        version: groups.version,
+        nonce: groups.nonce,
+        chainId: groups.chainId,
+        issuedAt: groups.issuedAt,
+        expirationTime: groups.expirationTime,
+        notBefore: groups.notBefore,
+        requestId: groups.requestId,
+        resources: groups.resources?.split('\n- ').slice(1),
+    };
+}
+/**
+ * TODO: docs
+ */
+export function createSignInMessage(input) {
+    const text = createSignInMessageText(input);
+    return new TextEncoder().encode(text);
+}
+/**
+ * TODO: docs
+ */
+export function createSignInMessageText(input) {
+    // ${domain} wants you to sign in with your Solana account:
+    // ${address}
+    //
+    // ${statement}
+    //
+    // URI: ${uri}
+    // Version: ${version}
+    // Chain ID: ${chain}
+    // Nonce: ${nonce}
+    // Issued At: ${issued-at}
+    // Expiration Time: ${expiration-time}
+    // Not Before: ${not-before}
+    // Request ID: ${request-id}
+    // Resources:
+    // - ${resources[0]}
+    // - ${resources[1]}
+    // ...
+    // - ${resources[n]}
+    let message = `${input.domain} wants you to sign in with your Solana account:\n`;
+    message += `${input.address}`;
+    if (input.statement) {
+        message += `\n\n${input.statement}`;
+    }
+    const fields = [];
+    if (input.uri) {
+        fields.push(`URI: ${input.uri}`);
+    }
+    if (input.version) {
+        fields.push(`Version: ${input.version}`);
+    }
+    if (input.chainId) {
+        fields.push(`Chain ID: ${input.chainId}`);
+    }
+    if (input.nonce) {
+        fields.push(`Nonce: ${input.nonce}`);
+    }
+    if (input.issuedAt) {
+        fields.push(`Issued At: ${input.issuedAt}`);
+    }
+    if (input.expirationTime) {
+        fields.push(`Expiration Time: ${input.expirationTime}`);
+    }
+    if (input.notBefore) {
+        fields.push(`Not Before: ${input.notBefore}`);
+    }
+    if (input.requestId) {
+        fields.push(`Request ID: ${input.requestId}`);
+    }
+    if (input.resources) {
+        fields.push(`Resources:`);
+        for (const resource of input.resources) {
+            fields.push(`- ${resource}`);
+        }
+    }
+    if (fields.length) {
+        message += `\n\n${fields.join('\n')}`;
+    }
+    return message;
+}
+//# sourceMappingURL=signIn.js.map

node_modules/@solana/wallet-standard-util/lib/esm/signMessage.js

@@ -0,0 +1,18 @@
+import { ed25519 } from '@noble/curves/ed25519';
+import { bytesEqual } from './util.js';
+/**
+ * TODO: docs
+ */
+export function verifyMessageSignature({ message, signedMessage, signature, publicKey, }) {
+    // TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+    return bytesEqual(message, signedMessage) && ed25519.verify(signature, signedMessage, publicKey);
+}
+/**
+ * TODO: docs
+ */
+export function verifySignMessage(input, output) {
+    const { message, account: { publicKey }, } = input;
+    const { signedMessage, signature } = output;
+    return verifyMessageSignature({ message, signedMessage, signature, publicKey: publicKey });
+}
+//# sourceMappingURL=signMessage.js.map

node_modules/@solana/wallet-standard-util/lib/esm/signMessage.js.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/esm/tsconfig.esm.tsbuildinfo

@@ -0,0 +1 @@
+{"root":["../../src/commitment.ts","../../src/endpoint.ts","../../src/index.ts","../../src/signIn.ts","../../src/signMessage.ts","../../src/util.ts"],"version":"5.7.3"}

node_modules/@solana/wallet-standard-util/lib/esm/util.js

@@ -0,0 +1,40 @@
+/**
+ * @internal
+ *
+ * Efficiently compare {@link Indexed} arrays (e.g. `Array` and `Uint8Array`).
+ *
+ * @param a An array.
+ * @param b Another array.
+ *
+ * @return `true` if the arrays have the same length and elements, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function arraysEqual(a, b) {
+    if (a === b)
+        return true;
+    const length = a.length;
+    if (length !== b.length)
+        return false;
+    for (let i = 0; i < length; i++) {
+        if (a[i] !== b[i])
+            return false;
+    }
+    return true;
+}
+/**
+ * @internal
+ *
+ * Efficiently compare byte arrays, using {@link arraysEqual}.
+ *
+ * @param a A byte array.
+ * @param b Another byte array.
+ *
+ * @return `true` if the byte arrays have the same length and bytes, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function bytesEqual(a, b) {
+    return arraysEqual(a, b);
+}
+//# sourceMappingURL=util.js.map

node_modules/@solana/wallet-standard-util/lib/esm/util.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"util.js","sourceRoot":"","sources":["../../src/util.ts"],"names":[],"mappings":"AAcA;;;;;;;;;;;GAWG;AACH,MAAM,UAAU,WAAW,CAAI,CAAa,EAAE,CAAa;IACvD,IAAI,CAAC,KAAK,CAAC;QAAE,OAAO,IAAI,CAAC;IAEzB,MAAM,MAAM,GAAG,CAAC,CAAC,MAAM,CAAC;IACxB,IAAI,MAAM,KAAK,CAAC,CAAC,MAAM;QAAE,OAAO,KAAK,CAAC;IAEtC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE,CAAC;QAC9B,IAAI,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;YAAE,OAAO,KAAK,CAAC;IACpC,CAAC;IAED,OAAO,IAAI,CAAC;AAChB,CAAC;AAED;;;;;;;;;;;GAWG;AACH,MAAM,UAAU,UAAU,CAAC,CAAa,EAAE,CAAa;IACnD,OAAO,WAAW,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;AAC7B,CAAC"}

node_modules/@solana/wallet-standard-util/lib/types/commitment.d.ts

@@ -0,0 +1,8 @@
+import type { SolanaTransactionCommitment } from '@solana/wallet-standard-features';
+type Commitment = 'processed' | 'confirmed' | 'finalized' | 'recent' | 'single' | 'singleGossip' | 'root' | 'max';
+/**
+ * TODO: docs
+ */
+export declare function getCommitment(commitment?: Commitment): SolanaTransactionCommitment | undefined;
+export {};
+//# sourceMappingURL=commitment.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/commitment.d.ts.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/types/endpoint.d.ts

@@ -0,0 +1,18 @@
+import type { SolanaChain } from '@solana/wallet-standard-chains';
+/** TODO: docs */
+export declare const MAINNET_ENDPOINT = "https://api.mainnet-beta.solana.com";
+/** TODO: docs */
+export declare const DEVNET_ENDPOINT = "https://api.devnet.solana.com";
+/** TODO: docs */
+export declare const TESTNET_ENDPOINT = "https://api.testnet.solana.com";
+/** TODO: docs */
+export declare const LOCALNET_ENDPOINT = "http://localhost:8899";
+/**
+ * TODO: docs
+ */
+export declare function getChainForEndpoint(endpoint: string): SolanaChain;
+/**
+ * TODO: docs
+ */
+export declare function getEndpointForChain(chain: SolanaChain, endpoint?: string): string;
+//# sourceMappingURL=endpoint.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/endpoint.d.ts.map

@@ -0,0 +1 @@
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node_modules/@solana/wallet-standard-util/lib/types/index.d.ts

@@ -0,0 +1,5 @@
+export * from './commitment.js';
+export * from './endpoint.js';
+export * from './signIn.js';
+export * from './signMessage.js';
+//# sourceMappingURL=index.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/index.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,cAAc,iBAAiB,CAAC;AAChC,cAAc,eAAe,CAAC;AAC9B,cAAc,aAAa,CAAC;AAC5B,cAAc,kBAAkB,CAAC"}

node_modules/@solana/wallet-standard-util/lib/types/signIn.d.ts

@@ -0,0 +1,34 @@
+import type { SolanaSignInInput, SolanaSignInOutput } from '@solana/wallet-standard-features';
+/**
+ * TODO: docs
+ */
+export declare function verifySignIn(input: SolanaSignInInput, output: SolanaSignInOutput): boolean;
+/**
+ * TODO: docs
+ */
+export declare function deriveSignInMessage(input: SolanaSignInInput, output: SolanaSignInOutput): Uint8Array | null;
+/**
+ * TODO: docs
+ */
+export declare function deriveSignInMessageText(input: SolanaSignInInput, output: SolanaSignInOutput): string | null;
+/**
+ * TODO: docs
+ */
+export type SolanaSignInInputWithRequiredFields = SolanaSignInInput & Required<Pick<SolanaSignInInput, 'domain' | 'address'>>;
+/**
+ * TODO: docs
+ */
+export declare function parseSignInMessage(message: Uint8Array): SolanaSignInInputWithRequiredFields | null;
+/**
+ * TODO: docs
+ */
+export declare function parseSignInMessageText(text: string): SolanaSignInInputWithRequiredFields | null;
+/**
+ * TODO: docs
+ */
+export declare function createSignInMessage(input: SolanaSignInInputWithRequiredFields): Uint8Array;
+/**
+ * TODO: docs
+ */
+export declare function createSignInMessageText(input: SolanaSignInInputWithRequiredFields): string;
+//# sourceMappingURL=signIn.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/signIn.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"signIn.d.ts","sourceRoot":"","sources":["../../src/signIn.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,iBAAiB,EAAE,kBAAkB,EAAE,MAAM,kCAAkC,CAAC;AAI9F;;GAEG;AACH,wBAAgB,YAAY,CAAC,KAAK,EAAE,iBAAiB,EAAE,MAAM,EAAE,kBAAkB,GAAG,OAAO,CAU1F;AAED;;GAEG;AACH,wBAAgB,mBAAmB,CAAC,KAAK,EAAE,iBAAiB,EAAE,MAAM,EAAE,kBAAkB,GAAG,UAAU,GAAG,IAAI,CAI3G;AAED;;GAEG;AACH,wBAAgB,uBAAuB,CAAC,KAAK,EAAE,iBAAiB,EAAE,MAAM,EAAE,kBAAkB,GAAG,MAAM,GAAG,IAAI,CAqB3G;AAED;;GAEG;AACH,MAAM,MAAM,mCAAmC,GAAG,iBAAiB,GAC/D,QAAQ,CAAC,IAAI,CAAC,iBAAiB,EAAE,QAAQ,GAAG,SAAS,CAAC,CAAC,CAAC;AAE5D;;GAEG;AACH,wBAAgB,kBAAkB,CAAC,OAAO,EAAE,UAAU,GAAG,mCAAmC,GAAG,IAAI,CAGlG;AAkBD;;GAEG;AACH,wBAAgB,sBAAsB,CAAC,IAAI,EAAE,MAAM,GAAG,mCAAmC,GAAG,IAAI,CAqB/F;AAED;;GAEG;AACH,wBAAgB,mBAAmB,CAAC,KAAK,EAAE,mCAAmC,GAAG,UAAU,CAG1F;AAED;;GAEG;AACH,wBAAgB,uBAAuB,CAAC,KAAK,EAAE,mCAAmC,GAAG,MAAM,CA+D1F"}

node_modules/@solana/wallet-standard-util/lib/types/signMessage.d.ts

@@ -0,0 +1,15 @@
+import type { SolanaSignMessageInput, SolanaSignMessageOutput } from '@solana/wallet-standard-features';
+/**
+ * TODO: docs
+ */
+export declare function verifyMessageSignature({ message, signedMessage, signature, publicKey, }: {
+    message: Uint8Array;
+    signedMessage: Uint8Array;
+    signature: Uint8Array;
+    publicKey: Uint8Array;
+}): boolean;
+/**
+ * TODO: docs
+ */
+export declare function verifySignMessage(input: SolanaSignMessageInput, output: SolanaSignMessageOutput): boolean;
+//# sourceMappingURL=signMessage.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/signMessage.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"signMessage.d.ts","sourceRoot":"","sources":["../../src/signMessage.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,sBAAsB,EAAE,uBAAuB,EAAE,MAAM,kCAAkC,CAAC;AAGxG;;GAEG;AACH,wBAAgB,sBAAsB,CAAC,EACnC,OAAO,EACP,aAAa,EACb,SAAS,EACT,SAAS,GACZ,EAAE;IACC,OAAO,EAAE,UAAU,CAAC;IACpB,aAAa,EAAE,UAAU,CAAC;IAC1B,SAAS,EAAE,UAAU,CAAC;IACtB,SAAS,EAAE,UAAU,CAAC;CACzB,GAAG,OAAO,CAGV;AAED;;GAEG;AACH,wBAAgB,iBAAiB,CAAC,KAAK,EAAE,sBAAsB,EAAE,MAAM,EAAE,uBAAuB,GAAG,OAAO,CAOzG"}

node_modules/@solana/wallet-standard-util/lib/types/util.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=util.d.ts.map

node_modules/@solana/wallet-standard-util/lib/types/util.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"util.d.ts","sourceRoot":"","sources":["../../src/util.ts"],"names":[],"mappings":""}

node_modules/@solana/wallet-standard-util/package.json

@@ -0,0 +1,44 @@
+{
+  "name": "@solana/wallet-standard-util",
+  "version": "1.1.2",
+  "author": "Solana Maintainers <maintainers@solana.foundation>",
+  "repository": "https://github.com/solana-labs/wallet-standard",
+  "license": "Apache-2.0",
+  "publishConfig": {
+    "access": "public"
+  },
+  "files": [
+    "lib",
+    "src",
+    "LICENSE"
+  ],
+  "engines": {
+    "node": ">=16"
+  },
+  "type": "module",
+  "sideEffects": false,
+  "main": "./lib/cjs/index.js",
+  "module": "./lib/esm/index.js",
+  "types": "./lib/types/index.d.ts",
+  "exports": {
+    "require": "./lib/cjs/index.js",
+    "import": "./lib/esm/index.js",
+    "types": "./lib/types/index.d.ts"
+  },
+  "dependencies": {
+    "@noble/curves": "^1.8.0",
+    "@solana/wallet-standard-chains": "^1.1.1",
+    "@solana/wallet-standard-features": "^1.3.0"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.14",
+    "jest": "^29.7.0",
+    "shx": "^0.3.4",
+    "ts-jest": "^29.2.5"
+  },
+  "scripts": {
+    "clean": "shx mkdir -p lib && shx rm -rf lib",
+    "package": "shx mkdir -p lib/cjs && shx echo '{ \"type\": \"commonjs\" }' > lib/cjs/package.json",
+    "test": "jest"
+  }
+}

node_modules/@solana/wallet-standard-util/src/__tests__/signIn.ts

@@ -0,0 +1,89 @@
+import {
+    createSignInMessage,
+    createSignInMessageText,
+    deriveSignInMessage,
+    deriveSignInMessageText,
+    parseSignInMessage,
+    parseSignInMessageText,
+    verifySignIn,
+} from '../signIn.js';
+
+const signInMessageTests = {
+    'with `domain` and `address`': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA',
+    },
+    'with `statement`': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+            statement: 'S',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA\n\nS',
+    },
+    'with multi-line `statement`': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+            statement: 'S\n\nS',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA\n\nS\n\nS',
+    },
+    'with fields': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+            uri: 'https://solana.com',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA\n\nURI: https://solana.com',
+    },
+    'with `statement` and fields': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+            statement: 'S',
+            uri: 'https://solana.com',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA\n\nS\n\nURI: https://solana.com',
+    },
+    'with multi-line `statement` and fields': {
+        parsed: {
+            domain: 'solana.com',
+            address: 'A',
+            statement: 'S\n\nS',
+            uri: 'https://solana.com',
+        },
+        text: 'solana.com wants you to sign in with your Solana account:\nA\n\nS\n\nS\n\nURI: https://solana.com',
+    },
+};
+
+describe.skip('verifySignIn()', () => {});
+
+describe.skip('deriveSignInMessage()', () => {});
+
+describe.skip('deriveSignInMessageText()', () => {});
+
+describe.skip('parseSignInMessage()', () => {});
+
+describe('parseSignInMessageText()', () => {
+    for (const [name, test] of Object.entries(signInMessageTests)) {
+        it(name, () => {
+            const parsed = parseSignInMessageText(test.text);
+            expect(parsed).toEqual(test.parsed);
+        });
+    }
+});
+
+describe.skip('createSignInMessage()', () => {});
+
+describe('createSignInMessageText()', () => {
+    for (const [name, test] of Object.entries(signInMessageTests)) {
+        it(name, () => {
+            const text = createSignInMessageText(test.parsed);
+            expect(text).toBe(test.text);
+        });
+    }
+});

node_modules/@solana/wallet-standard-util/src/commitment.ts

@@ -0,0 +1,27 @@
+import type { SolanaTransactionCommitment } from '@solana/wallet-standard-features';
+
+// Copied from @solana/web3.js
+type Commitment = 'processed' | 'confirmed' | 'finalized' | 'recent' | 'single' | 'singleGossip' | 'root' | 'max';
+
+/**
+ * TODO: docs
+ */
+export function getCommitment(commitment?: Commitment): SolanaTransactionCommitment | undefined {
+    switch (commitment) {
+        case 'processed':
+        case 'confirmed':
+        case 'finalized':
+        case undefined:
+            return commitment;
+        case 'recent':
+            return 'processed';
+        case 'single':
+        case 'singleGossip':
+            return 'confirmed';
+        case 'max':
+        case 'root':
+            return 'finalized';
+        default:
+            return undefined;
+    }
+}

node_modules/@solana/wallet-standard-util/src/endpoint.ts

@@ -0,0 +1,39 @@
+import type { SolanaChain } from '@solana/wallet-standard-chains';
+import {
+    SOLANA_DEVNET_CHAIN,
+    SOLANA_LOCALNET_CHAIN,
+    SOLANA_MAINNET_CHAIN,
+    SOLANA_TESTNET_CHAIN,
+} from '@solana/wallet-standard-chains';
+
+/** TODO: docs */
+export const MAINNET_ENDPOINT = 'https://api.mainnet-beta.solana.com';
+/** TODO: docs */
+export const DEVNET_ENDPOINT = 'https://api.devnet.solana.com';
+/** TODO: docs */
+export const TESTNET_ENDPOINT = 'https://api.testnet.solana.com';
+/** TODO: docs */
+export const LOCALNET_ENDPOINT = 'http://localhost:8899';
+
+/**
+ * TODO: docs
+ */
+export function getChainForEndpoint(endpoint: string): SolanaChain {
+    if (endpoint.includes(MAINNET_ENDPOINT)) return SOLANA_MAINNET_CHAIN;
+    if (/\bdevnet\b/i.test(endpoint)) return SOLANA_DEVNET_CHAIN;
+    if (/\btestnet\b/i.test(endpoint)) return SOLANA_TESTNET_CHAIN;
+    if (/\blocalhost\b/i.test(endpoint) || /\b127\.0\.0\.1\b/.test(endpoint)) return SOLANA_LOCALNET_CHAIN;
+    return SOLANA_MAINNET_CHAIN;
+}
+
+/**
+ * TODO: docs
+ */
+export function getEndpointForChain(chain: SolanaChain, endpoint?: string): string {
+    if (endpoint) return endpoint;
+    if (chain === SOLANA_MAINNET_CHAIN) return MAINNET_ENDPOINT;
+    if (chain === SOLANA_DEVNET_CHAIN) return DEVNET_ENDPOINT;
+    if (chain === SOLANA_TESTNET_CHAIN) return TESTNET_ENDPOINT;
+    if (chain === SOLANA_LOCALNET_CHAIN) return LOCALNET_ENDPOINT;
+    return MAINNET_ENDPOINT;
+}

node_modules/@solana/wallet-standard-util/src/index.ts

@@ -0,0 +1,4 @@
+export * from './commitment.js';
+export * from './endpoint.js';
+export * from './signIn.js';
+export * from './signMessage.js';

node_modules/@solana/wallet-standard-util/src/signIn.ts

@@ -0,0 +1,185 @@
+import type { SolanaSignInInput, SolanaSignInOutput } from '@solana/wallet-standard-features';
+import { verifyMessageSignature } from './signMessage.js';
+import { arraysEqual } from './util.js';
+
+/**
+ * TODO: docs
+ */
+export function verifySignIn(input: SolanaSignInInput, output: SolanaSignInOutput): boolean {
+    const {
+        signedMessage,
+        signature,
+        account: { publicKey },
+    } = output;
+    const message = deriveSignInMessage(input, output);
+    return (
+        !!message && verifyMessageSignature({ message, signedMessage, signature, publicKey: publicKey as Uint8Array })
+    );
+}
+
+/**
+ * TODO: docs
+ */
+export function deriveSignInMessage(input: SolanaSignInInput, output: SolanaSignInOutput): Uint8Array | null {
+    const text = deriveSignInMessageText(input, output);
+    if (!text) return null;
+    return new TextEncoder().encode(text);
+}
+
+/**
+ * TODO: docs
+ */
+export function deriveSignInMessageText(input: SolanaSignInInput, output: SolanaSignInOutput): string | null {
+    const parsed = parseSignInMessage(output.signedMessage);
+    if (!parsed) return null;
+
+    if (input.domain && input.domain !== parsed.domain) return null;
+    if (input.address && input.address !== parsed.address) return null;
+    if (input.statement !== parsed.statement) return null;
+    if (input.uri !== parsed.uri) return null;
+    if (input.version !== parsed.version) return null;
+    if (input.chainId !== parsed.chainId) return null;
+    if (input.nonce !== parsed.nonce) return null;
+    if (input.issuedAt !== parsed.issuedAt) return null;
+    if (input.expirationTime !== parsed.expirationTime) return null;
+    if (input.notBefore !== parsed.notBefore) return null;
+    if (input.requestId !== parsed.requestId) return null;
+    if (input.resources) {
+        if (!parsed.resources) return null;
+        if (!arraysEqual(input.resources, parsed.resources)) return null;
+    } else if (parsed.resources) return null;
+
+    return createSignInMessageText(parsed);
+}
+
+/**
+ * TODO: docs
+ */
+export type SolanaSignInInputWithRequiredFields = SolanaSignInInput &
+    Required<Pick<SolanaSignInInput, 'domain' | 'address'>>;
+
+/**
+ * TODO: docs
+ */
+export function parseSignInMessage(message: Uint8Array): SolanaSignInInputWithRequiredFields | null {
+    const text = new TextDecoder().decode(message);
+    return parseSignInMessageText(text);
+}
+
+// TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+const DOMAIN = '(?<domain>[^\\n]+?) wants you to sign in with your Solana account:\\n';
+const ADDRESS = '(?<address>[^\\n]+)(?:\\n|$)';
+const STATEMENT = '(?:\\n(?<statement>[\\S\\s]*?)(?:\\n|$))??';
+const URI = '(?:\\nURI: (?<uri>[^\\n]+))?';
+const VERSION = '(?:\\nVersion: (?<version>[^\\n]+))?';
+const CHAIN_ID = '(?:\\nChain ID: (?<chainId>[^\\n]+))?';
+const NONCE = '(?:\\nNonce: (?<nonce>[^\\n]+))?';
+const ISSUED_AT = '(?:\\nIssued At: (?<issuedAt>[^\\n]+))?';
+const EXPIRATION_TIME = '(?:\\nExpiration Time: (?<expirationTime>[^\\n]+))?';
+const NOT_BEFORE = '(?:\\nNot Before: (?<notBefore>[^\\n]+))?';
+const REQUEST_ID = '(?:\\nRequest ID: (?<requestId>[^\\n]+))?';
+const RESOURCES = '(?:\\nResources:(?<resources>(?:\\n- [^\\n]+)*))?';
+const FIELDS = `${URI}${VERSION}${CHAIN_ID}${NONCE}${ISSUED_AT}${EXPIRATION_TIME}${NOT_BEFORE}${REQUEST_ID}${RESOURCES}`;
+const MESSAGE = new RegExp(`^${DOMAIN}${ADDRESS}${STATEMENT}${FIELDS}\\n*$`);
+
+/**
+ * TODO: docs
+ */
+export function parseSignInMessageText(text: string): SolanaSignInInputWithRequiredFields | null {
+    const match = MESSAGE.exec(text);
+    if (!match) return null;
+    const groups = match.groups;
+    if (!groups) return null;
+
+    return {
+        domain: groups.domain!,
+
+        address: groups.address!,
+        statement: groups.statement,
+        uri: groups.uri,
+        version: groups.version,
+        nonce: groups.nonce,
+        chainId: groups.chainId,
+        issuedAt: groups.issuedAt,
+        expirationTime: groups.expirationTime,
+        notBefore: groups.notBefore,
+        requestId: groups.requestId,
+        resources: groups.resources?.split('\n- ').slice(1),
+    };
+}
+
+/**
+ * TODO: docs
+ */
+export function createSignInMessage(input: SolanaSignInInputWithRequiredFields): Uint8Array {
+    const text = createSignInMessageText(input);
+    return new TextEncoder().encode(text);
+}
+
+/**
+ * TODO: docs
+ */
+export function createSignInMessageText(input: SolanaSignInInputWithRequiredFields): string {
+    // ${domain} wants you to sign in with your Solana account:
+    // ${address}
+    //
+    // ${statement}
+    //
+    // URI: ${uri}
+    // Version: ${version}
+    // Chain ID: ${chain}
+    // Nonce: ${nonce}
+    // Issued At: ${issued-at}
+    // Expiration Time: ${expiration-time}
+    // Not Before: ${not-before}
+    // Request ID: ${request-id}
+    // Resources:
+    // - ${resources[0]}
+    // - ${resources[1]}
+    // ...
+    // - ${resources[n]}
+
+    let message = `${input.domain} wants you to sign in with your Solana account:\n`;
+    message += `${input.address}`;
+
+    if (input.statement) {
+        message += `\n\n${input.statement}`;
+    }
+
+    const fields: string[] = [];
+    if (input.uri) {
+        fields.push(`URI: ${input.uri}`);
+    }
+    if (input.version) {
+        fields.push(`Version: ${input.version}`);
+    }
+    if (input.chainId) {
+        fields.push(`Chain ID: ${input.chainId}`);
+    }
+    if (input.nonce) {
+        fields.push(`Nonce: ${input.nonce}`);
+    }
+    if (input.issuedAt) {
+        fields.push(`Issued At: ${input.issuedAt}`);
+    }
+    if (input.expirationTime) {
+        fields.push(`Expiration Time: ${input.expirationTime}`);
+    }
+    if (input.notBefore) {
+        fields.push(`Not Before: ${input.notBefore}`);
+    }
+    if (input.requestId) {
+        fields.push(`Request ID: ${input.requestId}`);
+    }
+    if (input.resources) {
+        fields.push(`Resources:`);
+        for (const resource of input.resources) {
+            fields.push(`- ${resource}`);
+        }
+    }
+    if (fields.length) {
+        message += `\n\n${fields.join('\n')}`;
+    }
+
+    return message;
+}

node_modules/@solana/wallet-standard-util/src/signMessage.ts

@@ -0,0 +1,33 @@
+import { ed25519 } from '@noble/curves/ed25519';
+import type { SolanaSignMessageInput, SolanaSignMessageOutput } from '@solana/wallet-standard-features';
+import { bytesEqual } from './util.js';
+
+/**
+ * TODO: docs
+ */
+export function verifyMessageSignature({
+    message,
+    signedMessage,
+    signature,
+    publicKey,
+}: {
+    message: Uint8Array;
+    signedMessage: Uint8Array;
+    signature: Uint8Array;
+    publicKey: Uint8Array;
+}): boolean {
+    // TODO: implement https://github.com/solana-labs/solana/blob/master/docs/src/proposals/off-chain-message-signing.md
+    return bytesEqual(message, signedMessage) && ed25519.verify(signature, signedMessage, publicKey);
+}
+
+/**
+ * TODO: docs
+ */
+export function verifySignMessage(input: SolanaSignMessageInput, output: SolanaSignMessageOutput): boolean {
+    const {
+        message,
+        account: { publicKey },
+    } = input;
+    const { signedMessage, signature } = output;
+    return verifyMessageSignature({ message, signedMessage, signature, publicKey: publicKey as Uint8Array });
+}

node_modules/@solana/wallet-standard-util/src/util.ts

@@ -0,0 +1,54 @@
+/**
+ * @internal
+ *
+ * Type with a numeric `length` and numerically indexed elements of a generic type `T`.
+ *
+ * For example, `Array<T>` and `Uint8Array`.
+ *
+ * @group Internal
+ */
+export interface Indexed<T> {
+    length: number;
+    [index: number]: T;
+}
+
+/**
+ * @internal
+ *
+ * Efficiently compare {@link Indexed} arrays (e.g. `Array` and `Uint8Array`).
+ *
+ * @param a An array.
+ * @param b Another array.
+ *
+ * @return `true` if the arrays have the same length and elements, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function arraysEqual<T>(a: Indexed<T>, b: Indexed<T>): boolean {
+    if (a === b) return true;
+
+    const length = a.length;
+    if (length !== b.length) return false;
+
+    for (let i = 0; i < length; i++) {
+        if (a[i] !== b[i]) return false;
+    }
+
+    return true;
+}
+
+/**
+ * @internal
+ *
+ * Efficiently compare byte arrays, using {@link arraysEqual}.
+ *
+ * @param a A byte array.
+ * @param b Another byte array.
+ *
+ * @return `true` if the byte arrays have the same length and bytes, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function bytesEqual(a: Uint8Array, b: Uint8Array): boolean {
+    return arraysEqual(a, b);
+}