🐁 First commit

.gitignore

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+# Logs
+logs
+*.log
+*.dump
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+.env
+.env.prod
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# Generated
+generated
+
+# Postgres data
+dev/data
+dev/fileHashes
+dev/db-autostart/2.vaultsfyi.sql
+backup.sql
+
+.turbo
+cache

biome.json

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+{
+  "$schema": "https://biomejs.dev/schemas/1.5.3/schema.json",
+  "files": {
+    "ignore": ["lib/**", "build/**"]
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "correctness": {
+        "useExhaustiveDependencies": "off",
+        "noUnusedVariables": "error"
+      },
+      "complexity": {
+        "useLiteralKeys": "off",
+        "useArrowFunction": "off",
+        "noForEach": "off",
+        "useOptionalChain": "off",
+        "noUselessSwitchCase": "off",
+        "noUselessEmptyExport": "error",
+        "noUselessFragments": "error"
+      },
+      "style": {
+        "noParameterAssign": "off",
+        "noUselessElse": "off",
+        "noNonNullAssertion": "off",
+        "useDefaultParameterLast": "off"
+      },
+      "suspicious": {
+        "noExplicitAny": "off",
+        "noArrayIndexKey": "off",
+        "useDefaultSwitchClauseLast": "off",
+        "noAssignInExpressions": "off"
+      }
+    }
+  },
+  "formatter": {
+    "indentStyle": "space",
+    "lineWidth": 120
+  },
+  "javascript": {
+    "formatter": {
+      "quoteStyle": "single",
+      "semicolons": "asNeeded",
+      "trailingComma": "es5"
+    }
+  },
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  }
+}

package.json

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+{
+  "name": "callerV2",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@biomejs/biome": "^1.6.1"
+  }
+}

packages/core/.gitignore

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+# Cached data
+data
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+pnpm-lock.yaml
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+.env
+
+/build

packages/core/package.json

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+{
+  "name": "core",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "typecheck": "tsc --noEmit",
+    "lint": "pnpm typecheck && biome check .",
+    "lint:fix": "biome check . --apply"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@biomejs/biome": "^1.6.1",
+    "@types/node": "^20.11.30",
+    "tsx": "^4.7.1",
+    "typescript": "^5.4.2"
+  }
+}

packages/core/src/OpCodeBuilder.ts

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+import { OPCODES } from './constants/opcodes'
+import { padHex } from './utils/padHex'
+
+export class OpCodeBuilder {
+  private opCodes: string[] = []
+
+  public addBytes(bytes: string) {
+    this.opCodes.push(bytes)
+    return this
+  }
+
+  public addOpCode(opCode: keyof typeof OPCODES) {
+    this.opCodes.push(OPCODES[opCode])
+    return this
+  }
+
+  public pushToStack(bytes: string | number) {
+    if (typeof bytes === 'number') bytes = padHex(bytes.toString(16))
+    const bytesLength = bytes.length / 2
+    if (bytesLength > 32) throw new Error('Bytes length must be equal or less than 32')
+    const pushOpCode = (Number(`0x${OPCODES.PUSH0}`) + bytesLength).toString(16)
+    this.opCodes.push(pushOpCode, bytes)
+    return this
+  }
+
+  public pushBytesSizeToStack(bytes: string) {
+    const callDataSize = padHex((bytes.length / 2).toString(16))
+    this.pushToStack(callDataSize)
+    return this
+  }
+
+  public toString(): `0x${string}` {
+    return `0x${this.opCodes.join('')}`
+  }
+}

packages/core/src/constants/opcodes.ts

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+export const OPCODES = {
+  STOP: '00',
+  ADD: '01',
+  MUL: '02',
+  SUB: '03',
+  DIV: '04',
+  SDIV: '05',
+  MOD: '06',
+  SMOD: '07',
+  ADDMOD: '08',
+  MULMOD: '09',
+  EXP: '0A',
+  SIGNEXTEND: '0B',
+  LT: '10',
+  GT: '11',
+  SLT: '12',
+  SGT: '13',
+  EQ: '14',
+  ISZERO: '15',
+  AND: '16',
+  OR: '17',
+  XOR: '18',
+  NOT: '19',
+  BYTE: '1A',
+  SHL: '1B',
+  SHR: '1C',
+  SAR: '1D',
+  KECCAK256: '20',
+  ADDRESS: '30',
+  BALANCE: '31',
+  ORIGIN: '32',
+  CALLER: '33',
+  CALLVALUE: '34',
+  CALLDATALOAD: '35',
+  CALLDATASIZE: '36',
+  CALLDATACOPY: '37',
+  CODESIZE: '38',
+  CODECOPY: '39',
+  GASPRICE: '3A',
+  EXTCODESIZE: '3B',
+  EXTCODECOPY: '3C',
+  RETURNDATASIZE: '3D',
+  RETURNDATACOPY: '3E',
+  EXTCODEHASH: '3F',
+  BLOCKHASH: '40',
+  COINBASE: '41',
+  TIMESTAMP: '42',
+  NUMBER: '43',
+  PREVRANDAO: '44',
+  GASLIMIT: '45',
+  CHAINID: '46',
+  SELFBALANCE: '47',
+  BASEFEE: '48',
+  POP: '50',
+  MLOAD: '51',
+  MSTORE: '52',
+  MSTORE8: '53',
+  SLOAD: '54',
+  SSTORE: '55',
+  JUMP: '56',
+  JUMPI: '57',
+  PC: '58',
+  MSIZE: '59',
+  GAS: '5A',
+  JUMPDEST: '5B',
+  PUSH0: '5F',
+  PUSH1: '60',
+  PUSH2: '61',
+  PUSH3: '62',
+  PUSH4: '63',
+  PUSH5: '64',
+  PUSH6: '65',
+  PUSH7: '66',
+  PUSH8: '67',
+  PUSH9: '68',
+  PUSH10: '69',
+  PUSH11: '6A',
+  PUSH12: '6B',
+  PUSH13: '6C',
+  PUSH14: '6D',
+  PUSH15: '6E',
+  PUSH16: '6F',
+  PUSH17: '70',
+  PUSH18: '71',
+  PUSH19: '72',
+  PUSH20: '73',
+  PUSH21: '74',
+  PUSH22: '75',
+  PUSH23: '76',
+  PUSH24: '77',
+  PUSH25: '78',
+  PUSH26: '79',
+  PUSH27: '7A',
+  PUSH28: '7B',
+  PUSH29: '7C',
+  PUSH30: '7D',
+  PUSH31: '7E',
+  PUSH32: '7F',
+  DUP1: '80',
+  DUP2: '81',
+  DUP3: '82',
+  DUP4: '83',
+  DUP5: '84',
+  DUP6: '85',
+  DUP7: '86',
+  DUP8: '87',
+  DUP9: '88',
+  DUP10: '89',
+  DUP11: '8A',
+  DUP12: '8B',
+  DUP13: '8C',
+  DUP14: '8D',
+  DUP15: '8E',
+  DUP16: '8F',
+  SWAP1: '90',
+  SWAP2: '91',
+  SWAP3: '92',
+  SWAP4: '93',
+  SWAP5: '94',
+  SWAP6: '95',
+  SWAP7: '96',
+  SWAP8: '97',
+  SWAP9: '98',
+  SWAP10: '99',
+  SWAP11: '9A',
+  SWAP12: '9B',
+  SWAP13: '9C',
+  SWAP14: '9D',
+  SWAP15: '9E',
+  SWAP16: '9F',
+  LOG0: 'A0',
+  LOG1: 'A1',
+  LOG2: 'A2',
+  LOG3: 'A3',
+  LOG4: 'A4',
+  CREATE: 'F0',
+  CALL: 'F1',
+  CALLCODE: 'F2',
+  RETURN: 'F3',
+  DELEGATECALL: 'F4',
+  CREATE2: 'F5',
+  STATICCALL: 'FA',
+  REVERT: 'FD',
+  SELFDESTRUCT: 'FF',
+}