Merge branch 'feature/topic0-event-decoding' into develop

2021-10-18 16:35:59 -03:00 · 2021-10-18 16:35:59 -03:00 · 6fa78bcdc6
parent c457a67e53 f3a6848e94
commit 6fa78bcdc6
10 changed files with 313 additions and 97 deletions
--- a/.gitmodules
+++ b/.gitmodules
@ -4,3 +4,6 @@
 [submodule "trustwallet"]
 	path = trustwallet
 	url = https://github.com/trustwallet/assets.git
+[submodule "topic0"]
+	path = topic0
+	url = https://github.com/wmitsuda/topic0.git
--- a/5
+++ b/5
@ -19,8 +19,13 @@ WORKDIR /signatures
 COPY 4bytes/signatures /signatures/
 COPY 4bytes/with_parameter_names /signatures/

+FROM alpine:3.14.0 AS topic0builder
+WORKDIR /topic0
+COPY topic0/with_parameter_names /topic0/
+
 FROM nginx:1.21.1-alpine
 RUN apk add jq
+COPY --from=topic0builder /topic0 /usr/share/nginx/html/topic0/
 COPY --from=fourbytesbuilder /signatures /usr/share/nginx/html/signatures/
 COPY --from=logobuilder /assets /usr/share/nginx/html/assets/
 COPY nginx.conf /etc/nginx/conf.d/default.conf
--- a/nginx.conf
+++ b/nginx.conf
@ -43,6 +43,40 @@ server {
        }
    }

+    location /topic0 {
+        root   /usr/share/nginx/html;
+        expires 30d;
+
+        # Base on: https://michielkalkman.com/snippets/nginx-cors-open-configuration/
+        if ($request_method = 'OPTIONS') {
+            add_header 'Access-Control-Allow-Origin' '*';
+            #
+            # Om nom nom cookies
+            #
+            add_header 'Access-Control-Allow-Credentials' 'true';
+            add_header 'Access-Control-Allow-Methods' 'GET, OPTIONS';
+
+            #
+            # Custom headers and headers various browsers *should* be OK with but aren't
+            #
+            add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+
+            #
+            # Tell client that this pre-flight info is valid for 20 days
+            #
+            add_header 'Access-Control-Max-Age' 1728000;
+            add_header 'Content-Type' 'text/plain charset=UTF-8';
+            add_header 'Content-Length' 0;
+            return 204;
+        }
+        if ($request_method = 'GET') {
+            add_header 'Access-Control-Allow-Origin' '*' always;
+            add_header 'Access-Control-Allow-Credentials' 'true' always;
+            add_header 'Access-Control-Allow-Methods' 'GET, OPTIONS' always;
+            add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type' always;
+        }
+    }
+
    location /assets {
        root   /usr/share/nginx/html;
        expires 30d;
--- a/package.json
+++ b/package.json
@ -52,8 +52,8 @@
    "test": "craco test",
    "eject": "react-scripts eject",
    "source-map-explorer": "source-map-explorer build/static/js/*.js",
-    "assets-start": "docker run --rm -p 3001:80 --name otterscan-assets -d -v$(pwd)/4bytes/signatures:/usr/share/nginx/html/signatures/ -v$(pwd)/trustwallet/blockchains/ethereum/assets:/usr/share/nginx/html/assets -v$(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf nginx:1.21.1-alpine",
-    "assets-start-with-param-names": "docker run --rm -p 3001:80 --name otterscan-assets -d -v$(pwd)/4bytes/with_parameter_names:/usr/share/nginx/html/signatures/ -v$(pwd)/trustwallet/blockchains/ethereum/assets:/usr/share/nginx/html/assets -v$(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf nginx:1.21.1-alpine",
+    "assets-start": "docker run --rm -p 3001:80 --name otterscan-assets -d -v$(pwd)/4bytes/signatures:/usr/share/nginx/html/signatures/ -v$(pwd)/trustwallet/blockchains/ethereum/assets:/usr/share/nginx/html/assets -v$(pwd)/topic0/with_parameter_names:/usr/share/nginx/html/topic0/ -v$(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf nginx:1.21.1-alpine",
+    "assets-start-with-param-names": "docker run --rm -p 3001:80 --name otterscan-assets -d -v$(pwd)/4bytes/with_parameter_names:/usr/share/nginx/html/signatures/ -v$(pwd)/trustwallet/blockchains/ethereum/assets:/usr/share/nginx/html/assets -v$(pwd)/topic0/with_parameter_names:/usr/share/nginx/html/topic0/ -v$(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf nginx:1.21.1-alpine",
    "assets-stop": "docker stop otterscan-assets",
    "docker-build": "DOCKER_BUILDKIT=1 docker build -t otterscan -f Dockerfile .",
    "docker-start": "docker run --rm -p 5000:80 --name otterscan -d otterscan",
--- a/public/sourcify.svg
+++ b/public/sourcify.svg
@ -0,0 +1,63 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="15.875mm"
+   height="15.875mm"
+   viewBox="0 0 15.875 15.875"
+   version="1.1"
+   id="svg990"
+   inkscape:version="1.1.1 (c3084ef, 2021-09-22)"
+   sodipodi:docname="sourcify.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview992"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
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+     inkscape:document-units="mm"
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+     inkscape:cx="384.24712"
+     inkscape:cy="511.1782"
+     inkscape:window-width="1440"
+     inkscape:window-height="872"
+     inkscape:window-x="0"
+     inkscape:window-y="28"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs987" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
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+    <g
+       id="g972"
+       transform="matrix(0.26458333,0,0,0.26458333,3.0286537,13.080962)">
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+         d="M 0,30 C 0,46.5685 13.4315,60 30,60 46.5685,60 60,46.5685 60,30 60,13.4315 46.5685,0 30,0 13.4315,0 0,13.4315 0,30 Z"
+         fill="#2b50aa"
+         id="path874" />
+      <path
+         d="m 30.0587,59.413 c 16.2119,0 29.3542,-13.1423 29.3542,-29.3542 0,-16.2119 -13.1423,-29.35421 -29.3542,-29.35421 -16.2118,0 -29.354171,13.14231 -29.354171,29.35421 0,16.2119 13.142371,29.3542 29.354171,29.3542 z"
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+         fill="#c5d5ea"
+         id="path880" />
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+  </g>
+</svg>
--- a/src/AddressTransactions.tsx
+++ b/src/AddressTransactions.tsx
@ -13,7 +13,6 @@ import queryString from "query-string";
 import Blockies from "react-blockies";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faCircleNotch } from "@fortawesome/free-solid-svg-icons/faCircleNotch";
-import { faCheckCircle } from "@fortawesome/free-regular-svg-icons/faCheckCircle";
 import { faQuestionCircle } from "@fortawesome/free-regular-svg-icons/faQuestionCircle";
 import StandardFrame from "./StandardFrame";
 import StandardSubtitle from "./StandardSubtitle";
@ -240,7 +239,13 @@ const AddressTransactions: React.FC = () => {
                      </span>
                    ) : (
                      <span className="self-center text-green-500">
-                        <FontAwesomeIcon icon={faCheckCircle} />
+                        <img
+                          src="/sourcify.svg"
+                          alt="Sourcify logo"
+                          title="Verified by Sourcify"
+                          width={16}
+                          height={16}
+                        />
                      </span>
                    )}
                  </span>
@ -300,10 +305,6 @@ const AddressTransactions: React.FC = () => {
                              disabled={controller === undefined}
                            />
                          </div>
-                          <ResultHeader
-                            feeDisplay={feeDisplay}
-                            feeDisplayToggler={feeDisplayToggler}
-                          />
                        </SelectionContext.Provider>
                      ) : (
                        <PendingResults />
--- a/src/transaction/LogEntry.tsx
+++ b/src/transaction/LogEntry.tsx
@ -1,6 +1,6 @@
-import React, { Fragment } from "react";
+import React, { useMemo } from "react";
 import { Log } from "@ethersproject/abstract-provider";
-import { LogDescription } from "@ethersproject/abi";
+import { Fragment, Interface, LogDescription } from "@ethersproject/abi";
 import { Tab } from "@headlessui/react";
 import AddressHighlighter from "../components/AddressHighlighter";
 import DecoratedAddressLink from "../components/DecoratedAddressLink";
@ -9,6 +9,7 @@ import ModeTab from "../components/ModeTab";
 import DecodedParamsTable from "./decoder/DecodedParamsTable";
 import DecodedLogSignature from "./decoder/DecodedLogSignature";
 import { TransactionData } from "../types";
+import { useTopic0 } from "../useTopic0";

 type LogEntryProps = {
  txData: TransactionData;
@ -16,7 +17,31 @@ type LogEntryProps = {
  logDesc: LogDescription | null | undefined;
 };

-const LogEntry: React.FC<LogEntryProps> = ({ txData, log, logDesc }) => (
+const LogEntry: React.FC<LogEntryProps> = ({ txData, log, logDesc }) => {
+  const rawTopic0 = log.topics[0];
+  const topic0 = useTopic0(rawTopic0);
+
+  const topic0LogDesc = useMemo(() => {
+    if (!topic0?.signatures) {
+      return undefined;
+    }
+
+    const sigs = topic0.signatures;
+    for (const sig of sigs) {
+      const logFragment = Fragment.fromString(`event ${sig}`);
+      const intf = new Interface([logFragment]);
+      try {
+        return intf.parseLog(log);
+      } catch (err) {
+        // Ignore on purpose; try to match other sigs
+      }
+    }
+    return undefined;
+  }, [topic0, log]);
+
+  const resolvedLogDesc = logDesc ?? topic0LogDesc;
+
+  return (
    <div className="flex space-x-10 py-5">
      <div>
        <span className="rounded-full w-12 h-12 flex items-center justify-center bg-green-50 text-green-500">
@ -48,15 +73,15 @@ const LogEntry: React.FC<LogEntryProps> = ({ txData, log, logDesc }) => (
              <ModeTab>Raw</ModeTab>
            </div>
          </Tab.List>
-        <Tab.Panels as={Fragment}>
+          <Tab.Panels as={React.Fragment}>
            <Tab.Panel className="space-y-2">
-            {logDesc === undefined ? (
+              {resolvedLogDesc === undefined ? (
                <div className="grid grid-cols-12 gap-x-3 gap-y-5 text-sm">
                  <div className="col-start-2 flex space-x-2 items-center col-span-11">
                    Waiting for data...
                  </div>
                </div>
-            ) : logDesc === null ? (
+              ) : resolvedLogDesc === null ? (
                <div className="grid grid-cols-12 gap-x-3 gap-y-5 text-sm">
                  <div className="col-start-2 flex space-x-2 items-center col-span-11">
                    No decoded data
@ -66,15 +91,18 @@ const LogEntry: React.FC<LogEntryProps> = ({ txData, log, logDesc }) => (
                <>
                  <div className="grid grid-cols-12 gap-x-3 gap-y-5 text-sm">
                    <div className="col-start-2 flex space-x-2 items-center col-span-11 font-mono">
-                    <DecodedLogSignature event={logDesc.eventFragment} />
+                      <DecodedLogSignature
+                        event={resolvedLogDesc.eventFragment}
+                      />
                    </div>
                  </div>
                  <div className="grid grid-cols-12 gap-x-3 gap-y-5 text-sm">
                    <div className="col-start-2 flex space-x-2 items-center col-span-11">
                      <DecodedParamsTable
-                      args={logDesc.args}
-                      paramTypes={logDesc.eventFragment.inputs}
+                        args={resolvedLogDesc.args}
+                        paramTypes={resolvedLogDesc.eventFragment.inputs}
                        txData={txData}
+                        hasParamNames={resolvedLogDesc === logDesc}
                      />
                    </div>
                  </div>
@ -112,5 +140,6 @@ const LogEntry: React.FC<LogEntryProps> = ({ txData, log, logDesc }) => (
      </div>
    </div>
  );
+};

 export default React.memo(LogEntry);
--- a/src/url.ts
+++ b/src/url.ts
@ -5,6 +5,9 @@ export const fourBytesURL = (
  fourBytes: string
 ): string => `${assetsURLPrefix}/signatures/${fourBytes}`;

+export const topic0URL = (assetsURLPrefix: string, topic0: string): string =>
+  `${assetsURLPrefix}/topic0/${topic0}`;
+
 export const tokenLogoURL = (
  assetsURLPrefix: string,
  address: string
--- a/src/useTopic0.ts
+++ b/src/useTopic0.ts
@ -0,0 +1,77 @@
+import { useState, useEffect, useContext } from "react";
+import { RuntimeContext } from "./useRuntime";
+import { topic0URL } from "./url";
+
+export type Topic0Entry = {
+  signatures: string[] | undefined;
+};
+
+const fullCache = new Map<string, Topic0Entry | null>();
+
+/**
+ * Extract topic0 DB info
+ *
+ * @param rawTopic0 an hex string containing the keccak256 of event signature
+ */
+export const useTopic0 = (
+  rawTopic0: string
+): Topic0Entry | null | undefined => {
+  if (rawTopic0.length !== 66 || !rawTopic0.startsWith("0x")) {
+    throw new Error(
+      `rawTopic0 must contain a 32 bytes hex event signature starting with 0x; received value: "${rawTopic0}"`
+    );
+  }
+
+  const runtime = useContext(RuntimeContext);
+  const assetsURLPrefix = runtime.config?.assetsURLPrefix;
+
+  const topic0 = rawTopic0.slice(2);
+  const [entry, setEntry] = useState<Topic0Entry | null | undefined>(
+    fullCache.get(topic0)
+  );
+  useEffect(() => {
+    if (assetsURLPrefix === undefined) {
+      return;
+    }
+
+    const signatureURL = topic0URL(assetsURLPrefix, topic0);
+    fetch(signatureURL)
+      .then(async (res) => {
+        if (!res.ok) {
+          console.error(`Signature does not exist in topic0 DB: ${topic0}`);
+          fullCache.set(topic0, null);
+          setEntry(null);
+          return;
+        }
+
+        // Get only the first occurrence, for now ignore alternative param names
+        const sig = await res.text();
+        const sigs = sig.split(";");
+        const entry: Topic0Entry = {
+          signatures: sigs,
+        };
+        setEntry(entry);
+        fullCache.set(topic0, entry);
+      })
+      .catch((err) => {
+        console.error(`Couldn't fetch signature URL ${signatureURL}`, err);
+        setEntry(null);
+        fullCache.set(topic0, null);
+      });
+  }, [topic0, assetsURLPrefix]);
+
+  if (assetsURLPrefix === undefined) {
+    return undefined;
+  }
+
+  // Try to resolve topic0 name
+  if (entry === null || entry === undefined) {
+    return entry;
+  }
+
+  // Simulates LRU
+  // TODO: implement LRU purging
+  fullCache.delete(topic0);
+  fullCache.set(topic0, entry);
+  return entry;
+};
--- a/1
+++ b/1
@ -0,0 +1 @@
+Subproject commit 52559d5690d491f8191a2d3fdb3c037516adc68f
				`@ -0,0 +1 @@`
				`Subproject commit 52559d5690d491f8191a2d3fdb3c037516adc68f`