diff --git a/client/package-lock.json b/client/package-lock.json
index 3cf61093..a401f485 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -9,6 +9,7 @@
"version": "0.0.0",
"dependencies": {
"axios": "^0.27.2",
+ "ethereum-cryptography": "^1.1.2",
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
@@ -517,6 +518,70 @@
"@jridgewell/sourcemap-codec": "^1.4.10"
}
},
+ "node_modules/@noble/hashes": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
+ "integrity": "sha512-KYRCASVTv6aeUi1tsF8/vpyR7zpfs3FUzy2Jqm+MU+LmUKhQ0y2FpfwqkCcxSg2ua4GALJd8k2R76WxwZGbQpA==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@noble/secp256k1": {
+ "version": "1.6.3",
+ "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
+ "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@scure/base": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.1.tgz",
+ "integrity": "sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@scure/bip32": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.1.0.tgz",
+ "integrity": "sha512-ftTW3kKX54YXLCxH6BB7oEEoJfoE2pIgw7MINKAs5PsS6nqKPuKk1haTF/EuHmYqG330t5GSrdmtRuHaY1a62Q==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ],
+ "dependencies": {
+ "@noble/hashes": "~1.1.1",
+ "@noble/secp256k1": "~1.6.0",
+ "@scure/base": "~1.1.0"
+ }
+ },
+ "node_modules/@scure/bip39": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.1.0.tgz",
+ "integrity": "sha512-pwrPOS16VeTKg98dYXQyIjJEcWfz7/1YJIwxUEPFfQPtc86Ym/1sVgQ2RLoD43AazMk2l/unK4ITySSpW2+82w==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ],
+ "dependencies": {
+ "@noble/hashes": "~1.1.1",
+ "@scure/base": "~1.1.0"
+ }
+ },
"node_modules/@types/prop-types": {
"version": "15.7.5",
"resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.5.tgz",
@@ -1178,6 +1243,17 @@
"node": ">=0.8.0"
}
},
+ "node_modules/ethereum-cryptography": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-1.1.2.tgz",
+ "integrity": "sha512-XDSJlg4BD+hq9N2FjvotwUET9Tfxpxc3kWGE2AqUG5vcbeunnbImVk3cj6e/xT3phdW21mE8R5IugU4fspQDcQ==",
+ "dependencies": {
+ "@noble/hashes": "1.1.2",
+ "@noble/secp256k1": "1.6.3",
+ "@scure/bip32": "1.1.0",
+ "@scure/bip39": "1.1.0"
+ }
+ },
"node_modules/fill-range": {
"version": "7.0.1",
"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -2107,6 +2183,40 @@
"@jridgewell/sourcemap-codec": "^1.4.10"
}
},
+ "@noble/hashes": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
+ "integrity": "sha512-KYRCASVTv6aeUi1tsF8/vpyR7zpfs3FUzy2Jqm+MU+LmUKhQ0y2FpfwqkCcxSg2ua4GALJd8k2R76WxwZGbQpA=="
+ },
+ "@noble/secp256k1": {
+ "version": "1.6.3",
+ "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
+ "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ=="
+ },
+ "@scure/base": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.1.tgz",
+ "integrity": "sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA=="
+ },
+ "@scure/bip32": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.1.0.tgz",
+ "integrity": "sha512-ftTW3kKX54YXLCxH6BB7oEEoJfoE2pIgw7MINKAs5PsS6nqKPuKk1haTF/EuHmYqG330t5GSrdmtRuHaY1a62Q==",
+ "requires": {
+ "@noble/hashes": "~1.1.1",
+ "@noble/secp256k1": "~1.6.0",
+ "@scure/base": "~1.1.0"
+ }
+ },
+ "@scure/bip39": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.1.0.tgz",
+ "integrity": "sha512-pwrPOS16VeTKg98dYXQyIjJEcWfz7/1YJIwxUEPFfQPtc86Ym/1sVgQ2RLoD43AazMk2l/unK4ITySSpW2+82w==",
+ "requires": {
+ "@noble/hashes": "~1.1.1",
+ "@scure/base": "~1.1.0"
+ }
+ },
"@types/prop-types": {
"version": "15.7.5",
"resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.5.tgz",
@@ -2497,6 +2607,17 @@
"integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==",
"dev": true
},
+ "ethereum-cryptography": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-1.1.2.tgz",
+ "integrity": "sha512-XDSJlg4BD+hq9N2FjvotwUET9Tfxpxc3kWGE2AqUG5vcbeunnbImVk3cj6e/xT3phdW21mE8R5IugU4fspQDcQ==",
+ "requires": {
+ "@noble/hashes": "1.1.2",
+ "@noble/secp256k1": "1.6.3",
+ "@scure/bip32": "1.1.0",
+ "@scure/bip39": "1.1.0"
+ }
+ },
"fill-range": {
"version": "7.0.1",
"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
diff --git a/client/package.json b/client/package.json
index f662261b..1ca89d30 100644
--- a/client/package.json
+++ b/client/package.json
@@ -10,6 +10,7 @@
},
"dependencies": {
"axios": "^0.27.2",
+ "ethereum-cryptography": "^1.1.2",
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
diff --git a/client/src/App.jsx b/client/src/App.jsx
index 7254c1fa..a491c8d7 100644
--- a/client/src/App.jsx
+++ b/client/src/App.jsx
@@ -6,16 +6,21 @@ import { useState } from "react";
function App() {
const [balance, setBalance] = useState(0);
const [address, setAddress] = useState("");
-
+ const [privateKey,setPrivateKey] = useState("");
+ const [signature, setSignature] = useState("");
return (
-
+
);
}
diff --git a/client/src/Transfer.jsx b/client/src/Transfer.jsx
index 7dac2bef..2756d8b6 100644
--- a/client/src/Transfer.jsx
+++ b/client/src/Transfer.jsx
@@ -1,15 +1,34 @@
import { useState } from "react";
import server from "./server";
+import * as secp from "ethereum-cryptography/secp256k1"
+import { keccak256 } from "ethereum-cryptography/keccak";
+import { toHex, utf8ToBytes } from "ethereum-cryptography/utils";
-function Transfer({ address, setBalance }) {
+function Transfer({ address, setBalance, privateKey }) {
const [sendAmount, setSendAmount] = useState("");
const [recipient, setRecipient] = useState("");
+ const [signature, setSignature] = useState("");
+ const [recoveryBit, setRecoveryBit] = useState("");
const setValue = (setter) => (evt) => setter(evt.target.value);
-
+ function hashMessage(message){
+ return toHex(keccak256(utf8ToBytes(message)));
+ }
async function transfer(evt) {
evt.preventDefault();
+ const message = {
+ address, sendAmount, recipient,
+ };
+
+ const hash = hashMessage(JSON.stringify(message));
+ const [sig, recoveryBit] = await secp.sign(hash, privateKey, {recovered: true});
+ message.sign = toHex(sig);
+ message.recoveryBit = recoveryBit;
+ setSignature(toHex(sig));
+ setRecoveryBit(recoveryBit);
+ console.log('request:', message);
+
try {
const {
data: { balance },
@@ -45,7 +64,12 @@ function Transfer({ address, setBalance }) {
onChange={setValue(setRecipient)}
>
-
+
+ Signature: {signature}
+
+
+ Recovery Bit: {recoveryBit}
+
);
diff --git a/client/src/Wallet.jsx b/client/src/Wallet.jsx
index 8dde5242..3e2def2f 100644
--- a/client/src/Wallet.jsx
+++ b/client/src/Wallet.jsx
@@ -1,8 +1,13 @@
+import * as secp from "ethereum-cryptography/secp256k1"
+import {toHex} from "ethereum-cryptography/utils"
+import {keccak256} from "ethereum-cryptography/keccak"
import server from "./server";
-function Wallet({ address, setAddress, balance, setBalance }) {
+function Wallet({ address, setAddress, balance, setBalance, privateKey, setPrivateKey }) {
async function onChange(evt) {
- const address = evt.target.value;
+ const privateKey = evt.target.value;
+ setPrivateKey(privateKey);
+ const address = toHex(keccak256((secp.getPublicKey(privateKey)).slice(1)).slice(-20));
setAddress(address);
if (address) {
const {
@@ -19,10 +24,12 @@ function Wallet({ address, setAddress, balance, setBalance }) {
Your Wallet
-
+
+ Address: {address}
+
Balance: {balance}
);
diff --git a/client/src/crypto.js b/client/src/crypto.js
new file mode 100644
index 00000000..05a3a233
--- /dev/null
+++ b/client/src/crypto.js
@@ -0,0 +1,24 @@
+// const secp = require("ethereum-cryptography/secp256k1");
+import secp from 'ethereum-cryptography/secp256k1';
+import { keccak256 } from 'ethereum-cryptography/keccak';
+import { utf8ToBytes } from 'ethereum-cryptography/utils'
+// const { keccak256 } = require("ethereum-cryptography/keccak");
+// const { utf8ToBytes } = require("ethereum-cryptography/utils");
+
+function hashMessage(message) {
+ return keccak256(utf8ToBytes(message));
+}
+
+function signMessage(message, privateKey) {
+ const hash = hashMessage(message);
+ const signature = secp.sign(hash, privateKey, { recovered: true });
+ return signature;
+}
+
+function recoverKey(message, signature, recoveryBit) {
+ const hash = hashMessage(message);
+ const publicKey = secp.recoverPublicKey(hash, signature, recoveryBit);
+ return publicKey;
+}
+
+export { hashMessage, signMessage, recoverKey };
diff --git a/client/yarn.lock b/client/yarn.lock
new file mode 100644
index 00000000..142e8747
--- /dev/null
+++ b/client/yarn.lock
@@ -0,0 +1,947 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@ampproject/remapping@^2.1.0":
+ version "2.2.0"
+ resolved "https://registry.yarnpkg.com/@ampproject/remapping/-/remapping-2.2.0.tgz#56c133824780de3174aed5ab6834f3026790154d"
+ integrity sha512-qRmjj8nj9qmLTQXXmaR1cck3UXSRMPrbsLJAasZpF+t3riI71BXed5ebIOYwQntykeZuhjsdweEc9BxH5Jc26w==
+ dependencies:
+ "@jridgewell/gen-mapping" "^0.1.0"
+ "@jridgewell/trace-mapping" "^0.3.9"
+
+"@babel/code-frame@^7.18.6":
+ version "7.18.6"
+ resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.18.6.tgz#3b25d38c89600baa2dcc219edfa88a74eb2c427a"
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+ dependencies:
+ "@babel/highlight" "^7.18.6"
+
+"@babel/compat-data@^7.20.5":
+ version "7.20.14"
+ resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.20.14.tgz#4106fc8b755f3e3ee0a0a7c27dde5de1d2b2baf8"
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+
+"@babel/core@^7.19.6":
+ version "7.20.12"
+ resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.20.12.tgz#7930db57443c6714ad216953d1356dac0eb8496d"
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+ dependencies:
+ "@ampproject/remapping" "^2.1.0"
+ "@babel/code-frame" "^7.18.6"
+ "@babel/generator" "^7.20.7"
+ "@babel/helper-compilation-targets" "^7.20.7"
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+ gensync "^1.0.0-beta.2"
+ json5 "^2.2.2"
+ semver "^6.3.0"
+
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+
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+
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+ version "7.20.7"
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+ js-tokens "^3.0.0 || ^4.0.0"
+
+lru-cache@^5.1.1:
+ version "5.1.1"
+ resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-5.1.1.tgz#1da27e6710271947695daf6848e847f01d84b920"
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+ dependencies:
+ yallist "^3.0.2"
+
+magic-string@^0.26.7:
+ version "0.26.7"
+ resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.26.7.tgz#caf7daf61b34e9982f8228c4527474dac8981d6f"
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+ dependencies:
+ sourcemap-codec "^1.4.8"
+
+mime-db@1.52.0:
+ version "1.52.0"
+ resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
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+ mime-db "1.52.0"
+
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+ version "2.1.2"
+ resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+ integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+nanoid@^3.3.4:
+ version "3.3.4"
+ resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
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+
+node-releases@^2.0.8:
+ version "2.0.10"
+ resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.10.tgz#c311ebae3b6a148c89b1813fd7c4d3c024ef537f"
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+
+normalize-path@^3.0.0, normalize-path@~3.0.0:
+ version "3.0.0"
+ resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
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+
+path-parse@^1.0.7:
+ version "1.0.7"
+ resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
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+
+picocolors@^1.0.0:
+ version "1.0.0"
+ resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
+ integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+
+picomatch@^2.0.4, picomatch@^2.2.1:
+ version "2.3.1"
+ resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
+ integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
+
+postcss@^8.4.18:
+ version "8.4.21"
+ resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.21.tgz#c639b719a57efc3187b13a1d765675485f4134f4"
+ integrity sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==
+ dependencies:
+ nanoid "^3.3.4"
+ picocolors "^1.0.0"
+ source-map-js "^1.0.2"
+
+react-dom@^18.2.0:
+ version "18.2.0"
+ resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-18.2.0.tgz#22aaf38708db2674ed9ada224ca4aa708d821e3d"
+ integrity sha512-6IMTriUmvsjHUjNtEDudZfuDQUoWXVxKHhlEGSk81n4YFS+r/Kl99wXiwlVXtPBtJenozv2P+hxDsw9eA7Xo6g==
+ dependencies:
+ loose-envify "^1.1.0"
+ scheduler "^0.23.0"
+
+react-refresh@^0.14.0:
+ version "0.14.0"
+ resolved "https://registry.yarnpkg.com/react-refresh/-/react-refresh-0.14.0.tgz#4e02825378a5f227079554d4284889354e5f553e"
+ integrity sha512-wViHqhAd8OHeLS/IRMJjTSDHF3U9eWi62F/MledQGPdJGDhodXJ9PBLNGr6WWL7qlH12Mt3TyTpbS+hGXMjCzQ==
+
+react@^18.2.0:
+ version "18.2.0"
+ resolved "https://registry.yarnpkg.com/react/-/react-18.2.0.tgz#555bd98592883255fa00de14f1151a917b5d77d5"
+ integrity sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==
+ dependencies:
+ loose-envify "^1.1.0"
+
+readdirp@~3.6.0:
+ version "3.6.0"
+ resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.6.0.tgz#74a370bd857116e245b29cc97340cd431a02a6c7"
+ integrity sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==
+ dependencies:
+ picomatch "^2.2.1"
+
+resolve@^1.22.1:
+ version "1.22.1"
+ resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.1.tgz#27cb2ebb53f91abb49470a928bba7558066ac177"
+ integrity sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==
+ dependencies:
+ is-core-module "^2.9.0"
+ path-parse "^1.0.7"
+ supports-preserve-symlinks-flag "^1.0.0"
+
+rollup@^2.79.1:
+ version "2.79.1"
+ resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.79.1.tgz#bedee8faef7c9f93a2647ac0108748f497f081c7"
+ integrity sha512-uKxbd0IhMZOhjAiD5oAFp7BqvkA4Dv47qpOCtaNvng4HBwdbWtdOh8f5nZNuk2rp51PMGk3bzfWu5oayNEuYnw==
+ optionalDependencies:
+ fsevents "~2.3.2"
+
+sass@^1.54.9:
+ version "1.58.3"
+ resolved "https://registry.yarnpkg.com/sass/-/sass-1.58.3.tgz#2348cc052061ba4f00243a208b09c40e031f270d"
+ integrity sha512-Q7RaEtYf6BflYrQ+buPudKR26/lH+10EmO9bBqbmPh/KeLqv8bjpTNqxe71ocONqXq+jYiCbpPUmQMS+JJPk4A==
+ dependencies:
+ chokidar ">=3.0.0 <4.0.0"
+ immutable "^4.0.0"
+ source-map-js ">=0.6.2 <2.0.0"
+
+scheduler@^0.23.0:
+ version "0.23.0"
+ resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.23.0.tgz#ba8041afc3d30eb206a487b6b384002e4e61fdfe"
+ integrity sha512-CtuThmgHNg7zIZWAXi3AsyIzA3n4xx7aNyjwC2VJldO2LMVDhFK+63xGqq6CsJH4rTAt6/M+N4GhZiDYPx9eUw==
+ dependencies:
+ loose-envify "^1.1.0"
+
+semver@^6.3.0:
+ version "6.3.0"
+ resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+ integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+
+"source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.0.2:
+ version "1.0.2"
+ resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.2.tgz#adbc361d9c62df380125e7f161f71c826f1e490c"
+ integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
+
+sourcemap-codec@^1.4.8:
+ version "1.4.8"
+ resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz#ea804bd94857402e6992d05a38ef1ae35a9ab4c4"
+ integrity sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==
+
+supports-color@^5.3.0:
+ version "5.5.0"
+ resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+ integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+ dependencies:
+ has-flag "^3.0.0"
+
+supports-preserve-symlinks-flag@^1.0.0:
+ version "1.0.0"
+ resolved "https://registry.yarnpkg.com/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz#6eda4bd344a3c94aea376d4cc31bc77311039e09"
+ integrity sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==
+
+to-fast-properties@^2.0.0:
+ version "2.0.0"
+ resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+ integrity sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==
+
+to-regex-range@^5.0.1:
+ version "5.0.1"
+ resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+ integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+ dependencies:
+ is-number "^7.0.0"
+
+update-browserslist-db@^1.0.10:
+ version "1.0.10"
+ resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz#0f54b876545726f17d00cd9a2561e6dade943ff3"
+ integrity sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==
+ dependencies:
+ escalade "^3.1.1"
+ picocolors "^1.0.0"
+
+vite@^3.1.0:
+ version "3.2.5"
+ resolved "https://registry.yarnpkg.com/vite/-/vite-3.2.5.tgz#dee5678172a8a0ab3e547ad4148c3d547f90e86a"
+ integrity sha512-4mVEpXpSOgrssFZAOmGIr85wPHKvaDAcXqxVxVRZhljkJOMZi1ibLibzjLHzJvcok8BMguLc7g1W6W/GqZbLdQ==
+ dependencies:
+ esbuild "^0.15.9"
+ postcss "^8.4.18"
+ resolve "^1.22.1"
+ rollup "^2.79.1"
+ optionalDependencies:
+ fsevents "~2.3.2"
+
+yallist@^3.0.2:
+ version "3.1.1"
+ resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+ integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
diff --git a/server/.gitignore b/server/.gitignore
index e69f6c6f..86ffab6e 100644
--- a/server/.gitignore
+++ b/server/.gitignore
@@ -1,2 +1,3 @@
!.gitignore
-node_modules
\ No newline at end of file
+node_modules
+wallet.txt
\ No newline at end of file
diff --git a/server/index.js b/server/index.js
index 3dbd053b..96bc0f0e 100644
--- a/server/index.js
+++ b/server/index.js
@@ -7,10 +7,11 @@ app.use(cors());
app.use(express.json());
const balances = {
- "0x1": 100,
- "0x2": 50,
- "0x3": 75,
+ "a17dc0fa60592e4c7ef410dde0b38dc0e75814e3": 100,
+ "bc6a84b7dce3e64a0b4c29e74184735192157d29": 50,
+ "c6f9462fe05aa3057f171b8049d1ff846ea6620b": 75,
};
+
app.get("/balance/:address", (req, res) => {
const { address } = req.params;
@@ -19,17 +20,26 @@ app.get("/balance/:address", (req, res) => {
});
app.post("/send", (req, res) => {
- const { sender, recipient, amount } = req.body;
+ // TODO: signature and message
+ const { sender, recipient, amount, sign, recoveryBit } = req.body;
+ const message = {sender, amount,recipient};
+ const messageHash = hashMessage(JSON.stringify(message));
+ const recovered = secp.recoverPublicKey(messageHash, hexToBytes(sign), recoveryBit);
+
+ const addressOfSign = toHex(addressFromPublicKey(recovered));
+ console.log('addressOfSign:',addressOfSign);
setInitialBalance(sender);
setInitialBalance(recipient);
-
- if (balances[sender] < amount) {
- res.status(400).send({ message: "Not enough funds!" });
- } else {
- balances[sender] -= amount;
- balances[recipient] += amount;
- res.send({ balance: balances[sender] });
+ if(sender!==addressOfSign){
+ if (balances[sender] < amount) {
+ res.status(400).send({ message: "Not enough funds!" });
+ } else {
+ console.log("Public Key Verified");
+ balances[sender] -= amount;
+ balances[recipient] += amount;
+ res.send({ balance: balances[sender] });
+ }
}
});
@@ -42,3 +52,12 @@ function setInitialBalance(address) {
balances[address] = 0;
}
}
+function hashMessage(message) {
+ const bytes = utf8ToBytes(message);
+ return keccak256(bytes);
+}
+function addressFromPublicKey(publicKey){
+ const addrBytes = publicKey.slice(1);
+ const hash = keccak256(addrBytes);
+ return hash.slice(-20);
+}
\ No newline at end of file
diff --git a/server/package-lock.json b/server/package-lock.json
index 612c6e2d..efe4e1e7 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -10,9 +10,80 @@
"license": "ISC",
"dependencies": {
"cors": "^2.8.5",
- "express": "^4.18.1"
+ "ethereum-cryptography": "^1.1.2",
+ "express": "^4.18.1",
+ "nodemon": "^2.0.20"
}
},
+ "node_modules/@noble/hashes": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
+ "integrity": "sha512-KYRCASVTv6aeUi1tsF8/vpyR7zpfs3FUzy2Jqm+MU+LmUKhQ0y2FpfwqkCcxSg2ua4GALJd8k2R76WxwZGbQpA==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@noble/secp256k1": {
+ "version": "1.6.3",
+ "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
+ "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@scure/base": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.1.tgz",
+ "integrity": "sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ]
+ },
+ "node_modules/@scure/bip32": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.1.0.tgz",
+ "integrity": "sha512-ftTW3kKX54YXLCxH6BB7oEEoJfoE2pIgw7MINKAs5PsS6nqKPuKk1haTF/EuHmYqG330t5GSrdmtRuHaY1a62Q==",
+ "funding": [
+ {
+ "type": "individual",
+ "url": "https://paulmillr.com/funding/"
+ }
+ ],
+ "dependencies": {
+ "@noble/hashes": "~1.1.1",
+ "@noble/secp256k1": "~1.6.0",
+ "@scure/base": "~1.1.0"
+ }
+ },
+ "node_modules/@scure/bip39": {
+ "version": "1.1.0",
+ "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.1.0.tgz",
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"resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
"integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
},
+ "supports-color": {
+ "version": "5.5.0",
+ "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+ "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+ "requires": {
+ "has-flag": "^3.0.0"
+ }
+ },
+ "to-regex-range": {
+ "version": "5.0.1",
+ "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+ "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+ "requires": {
+ "is-number": "^7.0.0"
+ }
+ },
"toidentifier": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
"integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
},
+ "touch": {
+ "version": "3.1.0",
+ "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
+ "integrity": "sha512-WBx8Uy5TLtOSRtIq+M03/sKDrXCLHxwDcquSP2c43Le03/9serjQBIztjRz6FkJez9D/hleyAXTBGLwwZUw9lA==",
+ "requires": {
+ "nopt": "~1.0.10"
+ }
+ },
"type-is": {
"version": "1.6.18",
"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -1034,6 +1722,11 @@
"mime-types": "~2.1.24"
}
},
+ "undefsafe": {
+ "version": "2.0.5",
+ "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+ "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA=="
+ },
"unpipe": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
diff --git a/server/package.json b/server/package.json
index c03b40a9..58cf6d4e 100644
--- a/server/package.json
+++ b/server/package.json
@@ -4,13 +4,15 @@
"description": "",
"main": "index.js",
"scripts": {
- "test": "echo \"Error: no test specified\" && exit 1"
+ "start": "nodemon index"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"cors": "^2.8.5",
- "express": "^4.18.1"
+ "ethereum-cryptography": "^1.1.2",
+ "express": "^4.18.1",
+ "nodemon": "^2.0.20"
}
}
diff --git a/server/scripts/digitalSignature.js b/server/scripts/digitalSignature.js
new file mode 100644
index 00000000..cffe1845
--- /dev/null
+++ b/server/scripts/digitalSignature.js
@@ -0,0 +1,22 @@
+const secp = require("ethereum-cryptography/secp256k1");
+const { keccak256 } = require("ethereum-cryptography/keccak");
+const { hexToBytes, toHex } = require("ethereum-cryptography/utils");
+
+function hashMessage(message) {
+ return keccak256(utf8ToBytes(message));
+}
+
+const signMessage = (message, privateKey) => {
+ return secp.sign(hashMessage(message), privateKey, { recovered: true });
+}
+
+const recoverKey = (message, signature, recoveryBit) => {
+ return secp.recoverPublicKey(hashMessage(message), signature, recoveryBit);
+}
+
+
+module.exports = {
+ hashMessage,
+ signMessage,
+ recoverKey,
+};
\ No newline at end of file
diff --git a/server/scripts/generate.js b/server/scripts/generate.js
new file mode 100644
index 00000000..0370d007
--- /dev/null
+++ b/server/scripts/generate.js
@@ -0,0 +1,14 @@
+const secp = require("ethereum-cryptography/secp256k1");
+const { toHex } = require("ethereum-cryptography/utils");
+const { keccak256 } = require("ethereum-cryptography/keccak");
+
+const privateKey = secp.utils.randomPrivateKey();
+console.log('private key:', toHex(privateKey));
+
+const publicKey = secp.getPublicKey(privateKey);
+console.log('public key:', toHex(publicKey))
+function getAddress(publickey){
+ return keccak256(publicKey.slice(1)).slice(-20);
+}
+
+console.log('Address:', toHex(getAddress(publicKey)));
\ No newline at end of file
diff --git a/server/scripts/generateKeys.js b/server/scripts/generateKeys.js
new file mode 100644
index 00000000..1efe8e72
--- /dev/null
+++ b/server/scripts/generateKeys.js
@@ -0,0 +1,8 @@
+const secp = require("ethereum-cryptography/secp256k1");
+const { toHex } = require("ethereum-cryptography/utils");
+
+const privateKey = toHex(secp.utils.randomPrivateKey());
+const publicKey = toHex(secp.getPublicKey(privateKey));
+
+console.log("Private key:", privateKey);
+console.log("Public key:", publicKey);
\ No newline at end of file
diff --git a/server/scripts/hashToSignature.js b/server/scripts/hashToSignature.js
new file mode 100644
index 00000000..20953edf
--- /dev/null
+++ b/server/scripts/hashToSignature.js
@@ -0,0 +1,26 @@
+const { keccak256 } = require("ethereum-cryptography/keccak");
+const { utf8ToBytes, toHex } = require("ethereum-cryptography/utils");
+const secp = require("ethereum-cryptography/secp256k1");
+
+(async () => {
+
+ const PRIVATE_KEY = "77484d45ecfe34287a9d88a4f8ec3eb9cd92ce55dc3a9ba4be57ee4126c32e89"
+
+ let message = {
+ from: "b83ab85e1fbe71c7e7643df5de9f7cc6be4f96da",
+ to: "c42da13bc0dcb20f3fb7af2433dfe10641721501",
+ amount: 10
+ }
+ console.log("Mesage:", message);
+
+ const messageHash = toHex(keccak256(utf8ToBytes(JSON.stringify(message))));
+ console.log("Message Hash:", messageHash);
+
+ const [signature, recoveryBit] = await secp.sign(messageHash, PRIVATE_KEY, { recovered: true });
+ console.log("Signature:", toHex(signature));
+ console.log("Recovery Bit:", recoveryBit);
+
+ const publicKey = toHex(secp.recoverPublicKey(messageHash, signature, recoveryBit));
+ console.log("Public Key:", publicKey);
+
+})();
\ No newline at end of file
diff --git a/server/yarn.lock b/server/yarn.lock
new file mode 100644
index 00000000..b107d8ba
--- /dev/null
+++ b/server/yarn.lock
@@ -0,0 +1,673 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@noble/hashes@1.2.0", "@noble/hashes@~1.2.0":
+ version "1.2.0"
+ resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.2.0.tgz#a3150eeb09cc7ab207ebf6d7b9ad311a9bdbed12"
+ integrity sha512-FZfhjEDbT5GRswV3C6uvLPHMiVD6lQBmpoX5+eSiPaMTXte/IKqI5dykDxzZB/WBeK/CDuQRBWarPdi3FNY2zQ==
+
+"@noble/secp256k1@1.7.1", "@noble/secp256k1@~1.7.0":
+ version "1.7.1"
+ resolved "https://registry.yarnpkg.com/@noble/secp256k1/-/secp256k1-1.7.1.tgz#b251c70f824ce3ca7f8dc3df08d58f005cc0507c"
+ integrity sha512-hOUk6AyBFmqVrv7k5WAw/LpszxVbj9gGN4JRkIX52fdFAj1UA61KXmZDvqVEm+pOyec3+fIeZB02LYa/pWOArw==
+
+"@scure/base@~1.1.0":
+ version "1.1.1"
+ resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.1.tgz#ebb651ee52ff84f420097055f4bf46cfba403938"
+ integrity sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==
+
+"@scure/bip32@1.1.5":
+ version "1.1.5"
+ resolved "https://registry.yarnpkg.com/@scure/bip32/-/bip32-1.1.5.tgz#d2ccae16dcc2e75bc1d75f5ef3c66a338d1ba300"
+ integrity sha512-XyNh1rB0SkEqd3tXcXMi+Xe1fvg+kUIcoRIEujP1Jgv7DqW2r9lg3Ah0NkFaCs9sTkQAQA8kw7xiRXzENi9Rtw==
+ dependencies:
+ "@noble/hashes" "~1.2.0"
+ "@noble/secp256k1" "~1.7.0"
+ "@scure/base" "~1.1.0"
+
+"@scure/bip39@1.1.1":
+ version "1.1.1"
+ resolved "https://registry.yarnpkg.com/@scure/bip39/-/bip39-1.1.1.tgz#b54557b2e86214319405db819c4b6a370cf340c5"
+ integrity sha512-t+wDck2rVkh65Hmv280fYdVdY25J9YeEUIgn2LG1WM6gxFkGzcksoDiUkWVpVp3Oex9xGC68JU2dSbUfwZ2jPg==
+ dependencies:
+ "@noble/hashes" "~1.2.0"
+ "@scure/base" "~1.1.0"
+
+abbrev@1:
+ version "1.1.1"
+ resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
+ integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
+
+accepts@~1.3.8:
+ version "1.3.8"
+ resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.8.tgz#0bf0be125b67014adcb0b0921e62db7bffe16b2e"
+ integrity sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==
+ dependencies:
+ mime-types "~2.1.34"
+ negotiator "0.6.3"
+
+anymatch@~3.1.2:
+ version "3.1.3"
+ resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.1.3.tgz#790c58b19ba1720a84205b57c618d5ad8524973e"
+ integrity sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==
+ dependencies:
+ normalize-path "^3.0.0"
+ picomatch "^2.0.4"
+
+array-flatten@1.1.1:
+ version "1.1.1"
+ resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
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+
+balanced-match@^1.0.0:
+ version "1.0.2"
+ resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
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+
+binary-extensions@^2.0.0:
+ version "2.2.0"
+ resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.2.0.tgz#75f502eeaf9ffde42fc98829645be4ea76bd9e2d"
+ integrity sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==
+
+body-parser@1.20.1:
+ version "1.20.1"
+ resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.20.1.tgz#b1812a8912c195cd371a3ee5e66faa2338a5c668"
+ integrity sha512-jWi7abTbYwajOytWCQc37VulmWiRae5RyTpaCyDcS5/lMdtwSz5lOpDE67srw/HYe35f1z3fDQw+3txg7gNtWw==
+ dependencies:
+ bytes "3.1.2"
+ content-type "~1.0.4"
+ debug "2.6.9"
+ depd "2.0.0"
+ destroy "1.2.0"
+ http-errors "2.0.0"
+ iconv-lite "0.4.24"
+ on-finished "2.4.1"
+ qs "6.11.0"
+ raw-body "2.5.1"
+ type-is "~1.6.18"
+ unpipe "1.0.0"
+
+brace-expansion@^1.1.7:
+ version "1.1.11"
+ resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
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+ dependencies:
+ balanced-match "^1.0.0"
+ concat-map "0.0.1"
+
+braces@~3.0.2:
+ version "3.0.2"
+ resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+ integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+ dependencies:
+ fill-range "^7.0.1"
+
+bytes@3.1.2:
+ version "3.1.2"
+ resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
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+
+call-bind@^1.0.0:
+ version "1.0.2"
+ resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
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+ dependencies:
+ function-bind "^1.1.1"
+ get-intrinsic "^1.0.2"
+
+chokidar@^3.5.2:
+ version "3.5.3"
+ resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.3.tgz#1cf37c8707b932bd1af1ae22c0432e2acd1903bd"
+ integrity sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==
+ dependencies:
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+ braces "~3.0.2"
+ glob-parent "~5.1.2"
+ is-binary-path "~2.1.0"
+ is-glob "~4.0.1"
+ normalize-path "~3.0.0"
+ readdirp "~3.6.0"
+ optionalDependencies:
+ fsevents "~2.3.2"
+
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+ version "0.0.1"
+ resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
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+ dependencies:
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+
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+
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