Merge branch 'feature/flash-transactions' into develop

src/BlockTransactions.tsx

@@ -49,12 +49,12 @@ const BlockTransactions: React.FC = () => {
       ]);
       document.title = `Block #${_block.number} Transactions | Otterscan`;
 
-      setTxs(
-        _block.transactions
-          .map((t, i) => {
+      const responses = _block.transactions
+        .map((t, i): ProcessedTransaction => {
           return {
             blockNumber: blockNumber.toNumber(),
             timestamp: _block.timestamp,
+            miner: _block.miner,
             idx: i,
             hash: t.hash,
             from: t.from,
@@ -68,8 +68,32 @@ const BlockTransactions: React.FC = () => {
             status: provider.formatter.number(_receipts[i].status),
           };
         })
-          .reverse()
+        .reverse();
+
+      const internalChecks = await Promise.all(
+        responses.map(async (res) => {
+          const r = await provider.send("ots_getTransactionTransfers", [
+            res.hash,
+          ]);
+          for (const t of r) {
+            if (
+              res.miner &&
+              (res.miner === ethers.utils.getAddress(t.from) ||
+                res.miner === ethers.utils.getAddress(t.to))
+            ) {
+              return true;
+            }
+          }
+          return false;
+        })
       );
+      for (let i = 0; i < responses.length; i++) {
+        if (internalChecks[i]) {
+          responses[i].internalMinerInteraction = true;
+        }
+      }
+
+      setTxs(responses);
     };
     readBlock();
   }, [blockNumber]);

src/Transaction.tsx

@@ -5,7 +5,6 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import {
   faCheckCircle,
   faTimesCircle,
-  faAngleRight,
   faCaretRight,
 } from "@fortawesome/free-solid-svg-icons";
 import { provider } from "./ethersconfig";
@@ -17,10 +16,18 @@ import BlockLink from "./components/BlockLink";
 import AddressLink from "./components/AddressLink";
 import Copy from "./components/Copy";
 import Timestamp from "./components/Timestamp";
+import InternalTransfer from "./components/InternalTransfer";
 import TokenLogo from "./components/TokenLogo";
 import GasValue from "./components/GasValue";
 import FormattedBalance from "./components/FormattedBalance";
 import erc20 from "./erc20.json";
+import {
+  From,
+  TokenMetas,
+  TokenTransfer,
+  TransactionData,
+  Transfer,
+} from "./types";
 
 const USE_OTS = true;
 
@@ -31,56 +38,6 @@ type TransactionParams = {
   txhash: string;
 };
 
-type TransactionData = {
-  transactionHash: string;
-  status: boolean;
-  blockNumber: number;
-  transactionIndex: number;
-  confirmations: number;
-  timestamp: number;
-  from: string;
-  to: string;
-  value: BigNumber;
-  tokenTransfers: TokenTransfer[];
-  tokenMetas: TokenMetas;
-  fee: BigNumber;
-  gasPrice: BigNumber;
-  gasLimit: BigNumber;
-  gasUsed: BigNumber;
-  gasUsedPerc: number;
-  nonce: number;
-  data: string;
-  logs: ethers.providers.Log[];
-};
-
-type From = {
-  current: string;
-  depth: number;
-};
-
-type Transfer = {
-  from: string;
-  to: string;
-  value: BigNumber;
-};
-
-type TokenTransfer = {
-  token: string;
-  from: string;
-  to: string;
-  value: BigNumber;
-};
-
-type TokenMeta = {
-  name: string;
-  symbol: string;
-  decimals: number;
-};
-
-type TokenMetas = {
-  [tokenAddress: string]: TokenMeta;
-};
-
 const Transaction: React.FC = () => {
   const params = useParams<TransactionParams>();
   const { txhash } = params;
@@ -142,6 +99,7 @@ const Transaction: React.FC = () => {
         transactionIndex: _receipt.transactionIndex,
         confirmations: _receipt.confirmations,
         timestamp: _block.timestamp,
+        miner: _block.miner,
         from: _receipt.from,
         to: _receipt.to,
         value: _response.value,
@@ -289,17 +247,11 @@ const Transaction: React.FC = () => {
                   {transfers ? (
                     <div className="mt-2 space-y-1">
                       {transfers.map((t, i) => (
-                        <div key={i} className="flex space-x-1 text-xs">
-                          <span className="text-gray-500">
-                            <FontAwesomeIcon icon={faAngleRight} size="1x" />{" "}
-                            TRANSFER
-                          </span>
-                          <span>{ethers.utils.formatEther(t.value)} Ether</span>
-                          <span className="text-gray-500">From</span>
-                          <AddressLink address={t.from} />
-                          <span className="text-gray-500">To</span>
-                          <AddressLink address={t.to} />
-                        </div>
+                        <InternalTransfer
+                          key={i}
+                          txData={txData}
+                          transfer={t}
+                        />
                       ))}
                     </div>
                   ) : (

src/components/InternalTransfer.tsx

@@ -0,0 +1,57 @@
+import React from "react";
+import { ethers } from "ethers";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faAngleRight, faCoins } from "@fortawesome/free-solid-svg-icons";
+import AddressLink from "./AddressLink";
+import { TransactionData, Transfer } from "../types";
+
+type InternalTransferProps = {
+  txData: TransactionData;
+  transfer: Transfer;
+};
+
+const InternalTransfer: React.FC<InternalTransferProps> = ({
+  txData,
+  transfer,
+}) => {
+  const fromMiner =
+    txData.miner !== undefined && transfer.from === txData.miner;
+  const toMiner = txData.miner !== undefined && transfer.to === txData.miner;
+
+  return (
+    <div className="flex items-baseline space-x-1 text-xs">
+      <span className="text-gray-500">
+        <FontAwesomeIcon icon={faAngleRight} size="1x" /> TRANSFER
+      </span>
+      <span>{ethers.utils.formatEther(transfer.value)} Ether</span>
+      <span className="text-gray-500">From</span>
+      <div
+        className={`flex items-baseline space-x-1 ${
+          fromMiner ? "rounded px-2 py-1 bg-yellow-100" : ""
+        }`}
+      >
+        {fromMiner && (
+          <span className="text-yellow-400" title="Miner address">
+            <FontAwesomeIcon icon={faCoins} size="1x" />
+          </span>
+        )}
+        <AddressLink address={transfer.from} />
+      </div>
+      <span className="text-gray-500">To</span>
+      <div
+        className={`flex items-baseline space-x-1 px-2 py-1 ${
+          toMiner ? "rounded px-2 py-1 bg-yellow-100" : ""
+        }`}
+      >
+        {toMiner && (
+          <span className="text-yellow-400" title="Miner address">
+            <FontAwesomeIcon icon={faCoins} size="1x" />
+          </span>
+        )}
+        <AddressLink address={transfer.to} />
+      </div>
+    </div>
+  );
+};
+
+export default React.memo(InternalTransfer);

src/components/TransactionDirection.tsx

@@ -1,6 +1,9 @@
 import React from "react";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { faLongArrowAltRight } from "@fortawesome/free-solid-svg-icons";
+import {
+  faCoins,
+  faLongArrowAltRight,
+} from "@fortawesome/free-solid-svg-icons";
 
 export enum Direction {
   IN,
@@ -9,12 +12,18 @@ export enum Direction {
   INTERNAL,
 }
 
+export enum Flags {
+  MINER,
+}
+
 type TransactionDirectionProps = {
   direction?: Direction;
+  flags?: Flags;
 };
 
 const TransactionDirection: React.FC<TransactionDirectionProps> = ({
   direction,
+  flags,
 }) => {
   let bgColor = "bg-green-50";
   let fgColor = "text-green-500";
@@ -32,6 +41,12 @@ const TransactionDirection: React.FC<TransactionDirectionProps> = ({
     msg = "SELF";
   } else if (direction === Direction.INTERNAL) {
     msg = "INT";
+    bgColor = "bg-green-100"
+  }
+
+  if (flags === Flags.MINER) {
+    bgColor = "bg-yellow-50";
+    fgColor = "text-yellow-400";
   }
 
   return (
@@ -42,10 +57,14 @@ const TransactionDirection: React.FC<TransactionDirectionProps> = ({
           : "w-5 h-5 rounded-full flex justify-center items-center"
       } text-xs font-bold`}
     >
-      {msg ?? (
+      {flags === Flags.MINER ? (
+        <FontAwesomeIcon icon={faCoins} size="1x" />
+      ) : (
+        msg ?? (
           <span>
             <FontAwesomeIcon icon={faLongArrowAltRight} />
           </span>
+        )
       )}
     </span>
   );

src/search/TransactionItem.tsx

@@ -1,6 +1,9 @@
 import React from "react";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { faExclamationCircle } from "@fortawesome/free-solid-svg-icons";
+import {
+  faExclamationCircle,
+  faCoins,
+} from "@fortawesome/free-solid-svg-icons";
 import MethodName from "../components/MethodName";
 import BlockLink from "../components/BlockLink";
 import TransactionLink from "../components/TransactionLink";
@@ -8,6 +11,7 @@ import AddressOrENSName from "../components/AddressOrENSName";
 import TimestampAge from "../components/TimestampAge";
 import TransactionDirection, {
   Direction,
+  Flags,
 } from "../components/TransactionDirection";
 import TransactionValue from "../components/TransactionValue";
 import { ENSReverseCache, ProcessedTransaction } from "../types";
@@ -42,9 +46,14 @@ const TransactionItem: React.FC<TransactionItemProps> = ({
 
   const ensFrom = ensCache && tx.from && ensCache[tx.from];
   const ensTo = ensCache && tx.to && ensCache[tx.to];
+  const flash = tx.gasPrice.isZero() && tx.internalMinerInteraction;
 
   return (
-    <div className="grid grid-cols-12 gap-x-1 items-baseline text-sm border-t border-gray-200 hover:bg-gray-100 px-2 py-3">
+    <div
+      className={`grid grid-cols-12 gap-x-1 items-baseline text-sm border-t border-gray-200 hover:bg-gray-100 ${
+        flash ? "bg-yellow-100" : ""
+      } px-2 py-3`}
+    >
       <div className="col-span-2 flex space-x-1 items-baseline">
         {tx.status === 0 && (
           <span className="text-red-600" title="Transaction reverted">
@@ -63,15 +72,25 @@ const TransactionItem: React.FC<TransactionItemProps> = ({
       <span className="col-span-2 flex justify-between items-baseline space-x-2 pr-2">
         <span className="truncate" title={tx.from}>
           {tx.from && (
+            <div className="flex items-baseline space-x-1">
+              {tx.miner && tx.miner === tx.from && (
+                <span className="text-yellow-400" title="Miner address">
+                  <FontAwesomeIcon icon={faCoins} size="1x" />
+                </span>
+              )}
               <AddressOrENSName
                 address={tx.from}
                 ensName={ensFrom}
                 selectedAddress={selectedAddress}
               />
+            </div>
           )}
         </span>
         <span>
-          <TransactionDirection direction={direction} />
+          <TransactionDirection
+            direction={direction}
+            flags={tx.internalMinerInteraction ? Flags.MINER : undefined}
+          />
         </span>
       </span>
       <span className="col-span-2 truncate" title={tx.to}>

src/types.ts

@@ -1,12 +1,14 @@
-import { BigNumber } from "ethers";
+import { ethers, BigNumber } from "ethers";
 
 export type ProcessedTransaction = {
   blockNumber: number;
   timestamp: number;
+  miner?: string;
   idx: number;
   hash: string;
   from?: string;
   to?: string;
+  internalMinerInteraction?: boolean;
   value: BigNumber;
   fee: BigNumber;
   gasPrice: BigNumber;
@@ -23,3 +25,54 @@ export type TransactionChunk = {
 export type ENSReverseCache = {
   [address: string]: string;
 };
+
+export type TransactionData = {
+  transactionHash: string;
+  status: boolean;
+  blockNumber: number;
+  transactionIndex: number;
+  confirmations: number;
+  timestamp: number;
+  miner?: string;
+  from: string;
+  to: string;
+  value: BigNumber;
+  tokenTransfers: TokenTransfer[];
+  tokenMetas: TokenMetas;
+  fee: BigNumber;
+  gasPrice: BigNumber;
+  gasLimit: BigNumber;
+  gasUsed: BigNumber;
+  gasUsedPerc: number;
+  nonce: number;
+  data: string;
+  logs: ethers.providers.Log[];
+};
+
+export type From = {
+  current: string;
+  depth: number;
+};
+
+export type Transfer = {
+  from: string;
+  to: string;
+  value: BigNumber;
+};
+
+export type TokenTransfer = {
+  token: string;
+  from: string;
+  to: string;
+  value: BigNumber;
+};
+
+export type TokenMeta = {
+  name: string;
+  symbol: string;
+  decimals: number;
+};
+
+export type TokenMetas = {
+  [tokenAddress: string]: TokenMeta;
+};