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deps - patch ethereumjs-util/dist/secp256k1 for fast module init via lazy loading (#14682)

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Co-authored-by: Alex Donesky <adonesky@gmail.com>
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kumavis 2022-08-10 03:40:33 +09:00 committed by GitHub
parent 4f34e72085
commit a86630de3d
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1 changed files with 46 additions and 0 deletions
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patches/eth-sig-util++ethereumjs-util+5.2.1.patch Normal file
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@ -0,0 +1,46 @@
lazy precompute for faster module initialization
diff --git a/node_modules/eth-sig-util/node_modules/ethereumjs-util/dist/secp256k1-adapter.js b/node_modules/eth-sig-util/node_modules/ethereumjs-util/dist/secp256k1-adapter.js
index e4d053a..3098939 100644
--- a/node_modules/eth-sig-util/node_modules/ethereumjs-util/dist/secp256k1-adapter.js
+++ b/node_modules/eth-sig-util/node_modules/ethereumjs-util/dist/secp256k1-adapter.js
@@ -2,7 +2,7 @@
var secp256k1 = require('ethereum-cryptography/secp256k1');
-var secp256k1v3 = require('./secp256k1-lib/index');
+function getSecp256k1 () { return require('./secp256k1-lib/index'); }
var der = require('./secp256k1-lib/der');
/**
@@ -28,6 +28,7 @@ var privateKeyVerify = function privateKeyVerify(privateKey) {
* @return {boolean}
*/
var privateKeyExport = function privateKeyExport(privateKey, compressed) {
+ var secp256k1v3 = getSecp256k1();
// privateKeyExport method is not part of secp256k1 v4 package
// this implementation is based on v3
if (privateKey.length !== 32) {
@@ -74,6 +75,7 @@ var privateKeyNegate = function privateKeyNegate(privateKey) {
* @return {Buffer}
*/
var privateKeyModInverse = function privateKeyModInverse(privateKey) {
+ var secp256k1v3 = getSecp256k1();
if (privateKey.length !== 32) {
throw new Error('private key length is invalid');
}
@@ -217,6 +219,7 @@ var signatureImport = function signatureImport(signature) {
* @return {Buffer}
*/
var signatureImportLax = function signatureImportLax(signature) {
+ var secp256k1v3 = getSecp256k1();
// signatureImportLax method is not part of secp256k1 v4 package
// this implementation is based on v3
// ensure that signature is greater than 0
@@ -340,6 +343,7 @@ var ecdh = function ecdh(publicKey, privateKey) {
* @return {Buffer}
*/
var ecdhUnsafe = function ecdhUnsafe(publicKey, privateKey, compressed) {
+ var secp256k1v3 = getSecp256k1();
// ecdhUnsafe method is not part of secp256k1 v4 package
// this implementation is based on v3
// ensure valid publicKey length