Merge branch 'main' of https://github.com/hyle-team/zano_web3

package-lock.json

@@ -16,6 +16,7 @@
         "@types/uuid": "^10.0.0",
         "axios": "^1.7.2",
         "big.js": "^6.2.1",
+        "decimal.js": "^10.4.3",
         "react": "^18.3.1",
         "typescript": "^5.5.4",
         "uuid": "^10.0.0"
@@ -96,6 +97,12 @@
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
       "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw=="
     },
+    "node_modules/decimal.js": {
+      "version": "10.4.3",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.4.3.tgz",
+      "integrity": "sha512-VBBaLc1MgL5XpzgIP7ny5Z6Nx3UrRkIViUkPUdtl9aya5amy3De1gsUUSB1g3+3sExYNjCAsAznmukyxCb1GRA==",
+      "license": "MIT"
+    },
     "node_modules/delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -139,12 +146,14 @@
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
-      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
+      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
+      "license": "MIT"
     },
     "node_modules/loose-envify": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
       "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+      "license": "MIT",
       "dependencies": {
         "js-tokens": "^3.0.0 || ^4.0.0"
       },
@@ -180,6 +189,7 @@
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
       "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
+      "license": "MIT",
       "dependencies": {
         "loose-envify": "^1.1.0"
       },
@@ -283,6 +293,11 @@
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
       "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw=="
     },
+    "decimal.js": {
+      "version": "10.4.3",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.4.3.tgz",
+      "integrity": "sha512-VBBaLc1MgL5XpzgIP7ny5Z6Nx3UrRkIViUkPUdtl9aya5amy3De1gsUUSB1g3+3sExYNjCAsAznmukyxCb1GRA=="
+    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "build:web": "tsc --project tsconfig.web.json",
     "build:server": "tsc --project tsconfig.server.json",
-    "build": "npm run build:web && npm run build:server",
+    "build:shared": "tsc --project tsconfig.shared.json",
+    "build": "npm run build:web && npm run build:server && npm run build:shared",
     "postinstall": "npm run build"
   },
   "repository": {
@@ -29,6 +30,7 @@
     "@types/uuid": "^10.0.0",
     "axios": "^1.7.2",
     "big.js": "^6.2.1",
+    "decimal.js": "^10.4.3",
     "react": "^18.3.1",
     "typescript": "^5.5.4",
     "uuid": "^10.0.0"
@@ -46,6 +48,11 @@
       "import": "./server/dist/index.js",
       "require": "./server/dist/index.js",
       "types": "./server/dist/index.d.ts"
+    },
+    "./shared": {
+      "import": "./shared/dist/index.js",
+      "require": "./shared/dist/index.js",
+      "types": "./shared/dist/index.d.ts"
     }
   },
   "homepage": "https://github.com/hyle-team/zano_web3#readme"

shared/src/index.ts

@@ -0,0 +1 @@
+export * from "./utils";

shared/src/utils.ts

@@ -0,0 +1,89 @@
+import Decimal from "decimal.js";
+
+export function validateTokensInput(input: string | number, decimal_point: number = 12) {
+
+    if (typeof input === 'number') {
+        input = input.toString();
+    }
+
+    if (input === "") {
+        return {
+            valid: false,
+            error: 'Invalid input',
+        };
+    }
+  
+    input = input.replace(/[^0-9.,]/g, '');
+  
+    const MAX_NUMBER = new Decimal(2).pow(64).minus(1);
+  
+    if (decimal_point < 0 || decimal_point > 18) {
+        return {
+            valid: false,
+            error: 'Invalid decimal point',
+        };
+    }
+  
+    const dotInput = input.replace(/,/g, '');
+  
+    const decimalDevider = new Decimal(10).pow(decimal_point);
+  
+    const maxAllowedNumber = MAX_NUMBER.div(decimalDevider);
+  
+    const minAllowedNumber = new Decimal(1).div(decimalDevider);
+  
+    const rounded = (() => {
+        if (dotInput.replace('.', '').length > 20) {
+            const decimalParts = dotInput.split('.');
+  
+            if (decimalParts.length === 2 && decimalParts[1].length > 1) {
+                const beforeDotLength = decimalParts[0].length;
+                const roundedInput = new Decimal(dotInput).toFixed(Math.max(20 - beforeDotLength, 0));
+  
+                if (roundedInput.replace(/./g, '').length <= 20) {
+                    return roundedInput;
+                }
+            }
+  
+            return false;
+        } else {
+            return dotInput;
+        }
+    })();
+    
+    const decimalsAmount = dotInput.split('.')[1]?.length || 0;
+
+    if (decimalsAmount > decimal_point) {
+        return {
+            valid: false,
+            error: 'Invalid amount - too many decimal points',
+        };
+    }
+  
+    if (rounded === false) {
+        return {
+            valid: false,
+            error: 'Invalid amount - number is too big or has too many decimal points',
+        };
+    }
+  
+    const dotInputDecimal = new Decimal(rounded);
+      
+    if (dotInputDecimal.gt(maxAllowedNumber)) {
+        return {
+            valid: false,
+            error: 'Invalid amount - number is too big',
+        };
+    }
+  
+    if (dotInputDecimal.lt(minAllowedNumber)) {
+        return {
+            valid: false,
+            error: 'Invalid amount - number is too small',
+        };
+    }
+  
+    return {
+        valid: true
+    };
+}

tsconfig.shared.json

@@ -0,0 +1,10 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+      "outDir": "./shared/dist",
+      "declarationDir": "./shared/dist",
+      "rootDir": "./shared/src",
+    },
+    "include": ["shared/src/**/*"],
+    "exclude": ["node_modules"],
+  }