switch to ethereum-cryptography (#285)

cgewecke · Apr 5, 2022 · e270a63 · e270a63
1 parent 53d9c8e
commit e270a63
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Showing 3 changed files with 12,285 additions and 105 deletions.
diff --git a/lib/gasData.js b/lib/gasData.js
@@ -1,5 +1,6 @@
 const ethersABI = require("@ethersproject/abi");
-const ejsUtil = require("ethereumjs-util");
+const { keccak256 } = require("ethereum-cryptography/keccak");
+const { utf8ToBytes, bytesToHex } = require("ethereum-cryptography/utils");
 const sha1 = require("sha1");
 const utils = require("./utils");
 const SyncRequest = require("./syncRequest");
@@ -89,8 +90,7 @@ class GasData {
       // Generate sighashes and remap ethers to something similar
       // to abiDecoder.getMethodIDs
       Object.keys(methods).forEach(key => {
-        const raw = ejsUtil.keccak256(key);
-        const sighash = ejsUtil.bufferToHex(raw).slice(2, 10);
+        const sighash = bytesToHex(keccak256(utf8ToBytes(key))).slice(0, 8);
         methodIDs[sighash] = Object.assign({ fnSig: key }, methods[key]);
       });