fix(connector-besu): do not crash if ledger unreachable - send HTTP 503

.yarn/patches/web3-eth-accounts-npm-1.6.1-c95f31ca81.patch

@@ -0,0 +1,13 @@
+diff --git a/lib/index.js b/lib/index.js
+index de2853c247b334e6b22cee42b3e597281c44efdc..787aecf6758228c092f1a3cd8097f64e76cc573d 100644
+--- a/lib/index.js
++++ b/lib/index.js
+@@ -344,7 +344,7 @@ function _handleTxPricing(_this, tx) {
+                             throw Error("Network doesn't support eip-1559");
+                         resolve({ gasPrice });
+                     }
+-                });
++                }).catch((ex) => reject(ex));
+             }
+         }
+         catch (error) {

package.json

@@ -117,6 +117,7 @@
     "ws": ">=1.1.5",
     "xml2js": ">=0.5.0",
     "yargs-parser": ">=18.1.1",
+    "web3-eth-accounts@npm:1.6.1": "patch:web3-eth-accounts@npm%3A1.6.1#~/.yarn/patches/web3-eth-accounts-npm-1.6.1-c95f31ca81.patch",
     "zod": ">=3.22.3"
   },
   "devDependencies": {

packages/cactus-common/src/main/typescript/http/http-header.ts

@@ -0,0 +1,157 @@
+/**
+ * A list of well-known headers as published on Wikipedia.
+ * @see https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
+ *
+ * TODO Finish documenting each enum item and make sure to also include
+ * the examples provided on the linked Wikipedia page above. The first
+ * few headers are documented this way but we need all of them like that.
+ *
+ * TODO Ensure that there are no typos in the header names.
+ */
+export enum HttpHeader {
+  // Standard request fields
+
+  /**
+   * Acceptable instance-manipulations for the request.
+   * @example A-IM: feed
+   * @see https://datatracker.ietf.org/doc/html/rfc3229
+   */
+  A_IM = "A-IM",
+  /**
+   * Media type(s) that is/are acceptable for the response. See Content negotiation.
+   * @example Accept: text/html
+   * @see https://datatracker.ietf.org/doc/html/rfc9110
+   */
+  Accept = "Accept",
+  /**
+   * Character sets that are acceptable.
+   * @example Accept-Charset: utf-8
+   * @see https://datatracker.ietf.org/doc/html/rfc9110
+   */
+  AcceptCharset = "Accept-Charset",
+  /**
+   * Acceptable version in time.
+   * @example Accept-Datetime: Thu, 31 May 2007 20:35:00 GMT
+   * @see https://datatracker.ietf.org/doc/html/rfc7089
+   */
+  AcceptDatetime = "Accept-Datetime",
+  AcceptEncoding = "Accept-Encoding",
+  AcceptLanguage = "Accept-Language",
+  AccessControlAllowOrigin = "Access-Control-Allow-Origin",
+  AccessControlAllowCredentials = "Access-Control-Allow-Credentials",
+  AccessControlExposeHeaders = "Access-Control-Expose-Headers",
+  AccessControlMaxAge = "Access-Control-Max-Age",
+  AccessControlAllowMethods = "Access-Control-Allow-Methods",
+  AccessControlAllowHeaders = "Access-Control-Allow-Headers",
+  Authorization = "Authorization",
+  CacheControl = "Cache-Control",
+  Connection = "Connection",
+  ContentDisposition = "Content-Disposition",
+  ContentEncoding = "Content-Encoding",
+  ContentLength = "Content-Length",
+  ContentLocation = "Content-Location",
+  ContentMD5 = "Content-MD5",
+  ContentType = "Content-Type",
+  Cookie = "Cookie",
+  Date = "Date",
+  Expect = "Expect",
+  Forwarded = "Forwarded",
+  From = "From",
+  Host = "Host",
+  IfMatch = "If-Match",
+  IfModifiedSince = "If-Modified-Since",
+  IfNoneMatch = "If-None-Match",
+  IfRange = "If-Range",
+  IfUnmodifiedSince = "If-Unmodified-Since",
+  MaxForwards = "Max-Forwards",
+  Origin = "Origin",
+  Pragma = "Pragma",
+  Prefer = "Prefer",
+  ProxyAuthorization = "Proxy-Authorization",
+  Range = "Range",
+  Referer = "Referer",
+  TE = "TE",
+  Trailer = "Trailer",
+  TransferEncoding = "Transfer-Encoding",
+  Upgrade = "Upgrade",
+  UserAgent = "User-Agent",
+
+  // Common non-standard request fields
+  UpgradeInsecureRequests = "Upgrade-Insecure-Requests",
+  XRequestedWith = "X-Requested-With",
+  DNT = "DNT",
+  XForwardedFor = "X-Forwarded-For",
+  XForwardedHost = "X-Forwarded-Host",
+  XForwardedProto = "X-Forwarded-Proto",
+  FrontEndHttps = "Front-End-Https",
+  XHttpMethodOverride = "X-Http-Method-Override",
+  XAttDeviceId = "X-Att-DeviceId",
+  XWapProfile = "X-Wap-Profile",
+  ProxyConnection = "Proxy-Connection",
+  XUIDH = "X-UIDH",
+  XCsrfToken = "X-Csrf-Token",
+  XRequestId = "X-Request-ID", // Alternative X-Request-Id
+  CorrelationId = "X-Correlation-ID", // Alternative Correlation-ID
+  SaveData = "Save-Data",
+  SecGpc = "Sec-GPC",
+
+  // Standard response fields
+  AcceptCH = "Accept-CH",
+  AcceptPatch = "Accept-Patch",
+  AltSvc = "Alt-Svc",
+  Age = "Age",
+  Allow = "Allow",
+  Expires = "Expires",
+  IM = "IM",
+  LastModified = "Last-Modified",
+  Link = "Link",
+  Location = "Location",
+  P3P = "P3P",
+  ProxyAuthenticate = "Proxy-Authenticate",
+  PublicKeyPins = "Public-Key-Pins",
+  /**
+   * f an entity is temporarily unavailable, this instructs the client
+   * to try again later. Value could be a specified period of time
+   * (in seconds) or a HTTP-date.
+   *
+   * There are two accepted formats when it comes to the values of the header:
+   * ```http
+   * Retry-After: <http-date>
+   * Retry-After: <delay-seconds>
+   * ```
+   *
+   * `<http-date>`
+   * A date after which to retry. See the Date header for more details on the HTTP date format.
+   *
+   * `<delay-seconds>`
+   * A non-negative decimal integer indicating the seconds to delay after the response is received.
+   *
+   * @example Retry-After: 120
+   * @example Retry-After: Fri, 07 Nov 2014 23:59:59 GMT
+   *
+   * @see https://datatracker.ietf.org/doc/html/rfc9110#section-10.2.3
+   */
+  RetryAfter = "Retry-After",
+  Server = "Server",
+  SetCookie = "Set-Cookie",
+  StrictTransportSecurity = "Strict-Transport-Security",
+  Tk = "Tk",
+  Vary = "Vary",
+  Via = "Via", // Same as request field
+  /**
+   * Indicates the authentication scheme that should be used to access the requested entity.
+   * @example WWW-Authenticate: Basic
+   * @see https://datatracker.ietf.org/doc/html/rfc9110
+   */
+  WWWAuthenticate = "WWW-Authenticate",
+  XFrameOptions = "X-Frame-Options",
+
+  // Common non-standard response fields
+  ContentSecurityPolicy = "Content-Security-Policy",
+  ExpectCT = "Expect-CT",
+  NEL = "NEL",
+  PermissionsPolicy = "Permissions-Policy",
+  Refresh = "Refresh",
+  ReportTo = "Report-To",
+  Timing_Allow_Origin = "Timing-Allow-Origin",
+}

packages/cactus-common/src/main/typescript/public-api.ts

@@ -47,3 +47,5 @@ export {
 } from "./http/express-http-verb-method-name";
 
 export { isGrpcStatusObjectWithCode } from "./grpc/is-grpc-status-object-with-code";
+
+export { HttpHeader } from "./http/http-header";

packages/cactus-plugin-ledger-connector-besu/package.json

@@ -80,7 +80,8 @@
     "web3-eth": "1.6.1",
     "web3-eth-contract": "1.6.1",
     "web3-utils": "1.6.1",
-    "web3js-quorum": "22.4.0"
+    "web3js-quorum": "22.4.0",
+    "websocket-event-codes": "1.1.0"
   },
   "devDependencies": {
     "@hyperledger/cactus-plugin-keychain-memory": "2.0.0-rc.5",
@@ -105,7 +106,8 @@
     "tsx": "4.16.2",
     "uuid": "10.0.0",
     "web3-core": "1.6.1",
-    "web3-eth": "1.6.1"
+    "web3-eth": "1.6.1",
+    "web3-eth-accounts": "patch:web3-eth-accounts@npm%3A1.6.1#~/.yarn/patches/web3-eth-accounts-npm-1.6.1-c95f31ca81.patch"
   },
   "engines": {
     "node": ">=18",