Merge pull request #1 from uandersonricardo/add-base-agents

.env.example

@@ -0,0 +1 @@
+OPENROUTER_API_KEY=

package-lock.json

@@ -8,6 +8,14 @@
       "name": "projeto-talp1",
       "version": "0.0.1",
       "license": "ISC",
+      "dependencies": {
+        "@langchain/core": "^1.1.45",
+        "@langchain/langgraph": "^1.3.0",
+        "@langchain/openrouter": "^0.2.4",
+        "dotenv": "^17.4.2",
+        "langchain": "^1.4.0",
+        "zod": "^4.4.3"
+      },
       "devDependencies": {
         "@biomejs/biome": "2.4.14",
         "@types/node": "^25.6.0",
@@ -178,6 +186,12 @@
         "node": ">=14.21.3"
       }
     },
+    "node_modules/@cfworker/json-schema": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/@cfworker/json-schema/-/json-schema-4.1.1.tgz",
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+      "license": "MIT"
+    },
     "node_modules/@emnapi/core": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.10.0.tgz",
@@ -219,6 +233,189 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@langchain/core": {
+      "version": "1.1.45",
+      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-1.1.45.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "@standard-schema/spec": "^1.1.0",
+        "ansi-styles": "^5.0.0",
+        "camelcase": "6",
+        "decamelize": "1.2.0",
+        "js-tiktoken": "^1.0.12",
+        "langsmith": ">=0.5.0 <1.0.0",
+        "mustache": "^4.2.0",
+        "p-queue": "^6.6.2",
+        "zod": "^3.25.76 || ^4"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/@langchain/langgraph": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-1.3.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@langchain/langgraph-checkpoint": "^1.0.2",
+        "@langchain/langgraph-sdk": "~1.9.0",
+        "@langchain/protocol": "^0.0.15",
+        "@standard-schema/spec": "1.1.0",
+        "uuid": "^10.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
+        "@langchain/core": "^1.1.44",
+        "zod": "^3.25.32 || ^4.2.0",
+        "zod-to-json-schema": "^3.x"
+      },
+      "peerDependenciesMeta": {
+        "zod-to-json-schema": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@langchain/langgraph-checkpoint": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@langchain/langgraph-checkpoint/-/langgraph-checkpoint-1.0.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "uuid": "^10.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
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+      }
+    },
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+      "dependencies": {
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+        "p-retry": "^7.1.1",
+        "uuid": "^13.0.0"
+      },
+      "peerDependencies": {
+        "react": "^18 || ^19",
+        "react-dom": "^18 || ^19",
+        "svelte": "^4.0.0 || ^5.0.0",
+        "vue": "^3.0.0"
+      },
+      "peerDependenciesMeta": {
+        "react": {
+          "optional": true
+        },
+        "react-dom": {
+          "optional": true
+        },
+        "svelte": {
+          "optional": true
+        },
+        "vue": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@langchain/langgraph-sdk/node_modules/eventemitter3": {
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+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.4.tgz",
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+      "license": "MIT"
+    },
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+      "dependencies": {
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+        "p-timeout": "^7.0.0"
+      },
+      "engines": {
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+      },
+      "funding": {
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+      }
+    },
+    "node_modules/@langchain/langgraph-sdk/node_modules/p-timeout": {
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
+    "node_modules/@langchain/openai": {
+      "version": "1.4.5",
+      "resolved": "https://registry.npmjs.org/@langchain/openai/-/openai-1.4.5.tgz",
+      "integrity": "sha512-bQ2WMIZfSh02trJLYSAtiIcD3j6EBCiAm9nw0dZWQsVaUxmWc3JJqs8uUte6AkMazmLHzcUIw+14UkXO5fRJvQ==",
+      "license": "MIT",
+      "dependencies": {
+        "js-tiktoken": "^1.0.12",
+        "openai": "^6.34.0",
+        "zod": "^3.25.76 || ^4"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "peerDependencies": {
+        "@langchain/core": "^1.1.42"
+      }
+    },
+    "node_modules/@langchain/openrouter": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/@langchain/openrouter/-/openrouter-0.2.4.tgz",
+      "integrity": "sha512-FzoHUwIM4eE3rcMKZ1dL9a3vgVrz+6WiS5ygIMyHagNlPDUxpdg1V5LnA+ZVWosNyAtAkFYmz+DQZys9nM9oQQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@langchain/openai": "1.4.5",
+        "eventsource-parser": "^3.0.6",
+        "openai": "^6.22.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "peerDependencies": {
+        "@langchain/core": "^1.0.0"
+      }
+    },
+    "node_modules/@langchain/protocol": {
+      "version": "0.0.15",
+      "resolved": "https://registry.npmjs.org/@langchain/protocol/-/protocol-0.0.15.tgz",
+      "integrity": "sha512-MllvbpMjqHevUm+v94M422mH7XKN+wGCvJRBVROTWBotEDOATYB4Ktk2UheYP859y9o2LlhtPek5t1T9eyfAbQ==",
+      "license": "MIT"
+    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.4.tgz",
@@ -516,7 +713,6 @@
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-      "dev": true,
       "license": "MIT"
     },
     "node_modules/@tybys/wasm-util": {
@@ -555,6 +751,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/json-schema": {
+      "version": "7.0.15",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
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+      "license": "MIT"
+    },
     "node_modules/@types/node": {
       "version": "25.6.0",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.0.tgz",
@@ -678,6 +880,18 @@
         "url": "https://opencollective.com/vitest"
       }
     },
+    "node_modules/ansi-styles": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
+      "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
     "node_modules/assertion-error": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
@@ -688,6 +902,38 @@
         "node": ">=12"
       }
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/camelcase": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-6.3.0.tgz",
+      "integrity": "sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
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     "node_modules/chai": {
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       "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.2.tgz",
@@ -705,6 +951,15 @@
       "dev": true,
       "license": "MIT"
     },
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+      "license": "MIT",
+      "engines": {
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@@ -715,6 +970,18 @@
         "node": ">=8"
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+    "node_modules/dotenv": {
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+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
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+      "engines": {
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+      "funding": {
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@@ -732,6 +999,21 @@
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@@ -775,6 +1057,78 @@
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+    "node_modules/is-network-error": {
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+      "engines": {
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+      },
+      "funding": {
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+      "license": "MIT",
+      "dependencies": {
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+      }
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+      "dependencies": {
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+      "license": "MIT",
+      "dependencies": {
+        "eventemitter3": "^4.0.4",
+        "p-timeout": "^3.2.0"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-retry": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/p-retry/-/p-retry-7.1.1.tgz",
+      "integrity": "sha512-J5ApzjyRkkf601HpEeykoiCvzHQjWxPAHhyjFcEUP2SWq0+35NKh8TLhpLw+Dkq5TZBFvUM6UigdE9hIVYTl5w==",
+      "license": "MIT",
+      "dependencies": {
+        "is-network-error": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-timeout": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-3.2.0.tgz",
+      "integrity": "sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==",
+      "license": "MIT",
+      "dependencies": {
+        "p-finally": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/pathe": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/pathe/-/pathe-2.0.3.tgz",
@@ -1270,6 +1706,20 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/uuid": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-10.0.0.tgz",
+      "integrity": "sha512-8XkAphELsDnEGrDxUOHB3RGvXz6TeuYSGEZBOjtTtPm2lwhGBjLgOzLHB63IUWfBpNucQjND6d3AOudO+H3RWQ==",
+      "deprecated": "uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/vite": {
       "version": "8.0.11",
       "resolved": "https://registry.npmjs.org/vite/-/vite-8.0.11.tgz",
@@ -1454,6 +1904,15 @@
       "engines": {
         "node": ">=8"
       }
+    },
+    "node_modules/zod": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }

package.json

@@ -3,6 +3,7 @@
   "version": "0.0.1",
   "description": "Projeto de TALP 1",
   "main": "dist/index.js",
+  "type": "module",
   "scripts": {
     "test": "vitest",
     "coverage": "vitest run --coverage",
@@ -24,5 +25,13 @@
     "@types/node": "^25.6.0",
     "typescript": "^6.0.3",
     "vitest": "^4.1.5"
+  },
+  "dependencies": {
+    "@langchain/core": "^1.1.45",
+    "@langchain/langgraph": "^1.3.0",
+    "@langchain/openrouter": "^0.2.4",
+    "dotenv": "^17.4.2",
+    "langchain": "^1.4.0",
+    "zod": "^4.4.3"
   }
 }

src/agents/auditor/agent.ts

@@ -0,0 +1,20 @@
+import { END, type GraphNode, START, StateGraph } from "@langchain/langgraph";
+
+import { AuditorState } from "./state.ts";
+import { slitherTool } from "./tools/slither-tool.ts";
+
+const PLACEHOLDER_VULNERABILITIES = [
+  { type: "reentrancy", severity: "high", description: "Unchecked external call allows reentrancy attack." },
+  { type: "integer-overflow", severity: "medium", description: "Arithmetic operation may overflow." },
+];
+
+const auditContract: GraphNode<typeof AuditorState> = async (state) => {
+  await slitherTool.invoke({ solidityFile: state.solidityFile });
+  return { vulnerabilities: PLACEHOLDER_VULNERABILITIES };
+};
+
+export const auditorAgent = new StateGraph(AuditorState)
+  .addNode("auditContract", auditContract)
+  .addEdge(START, "auditContract")
+  .addEdge("auditContract", END)
+  .compile();

src/agents/auditor/model.ts

@@ -0,0 +1,5 @@
+import { ChatOpenRouter } from "@langchain/openrouter";
+
+export const auditorModel = new ChatOpenRouter({
+  model: "moonshotai/kimi-k2.6",
+});

src/agents/auditor/state.ts

@@ -0,0 +1,7 @@
+import { StateSchema } from "@langchain/langgraph";
+import { z } from "zod";
+
+export const AuditorState = new StateSchema({
+  solidityFile: z.string().default(""),
+  vulnerabilities: z.array(z.record(z.string(), z.any())).default([]),
+});

src/agents/auditor/tools/slither-tool.ts

@@ -0,0 +1,15 @@
+import { tool } from "langchain";
+import { z } from "zod";
+
+export const slitherTool = tool(
+  async (_input) => {
+    return [];
+  },
+  {
+    name: "slither",
+    description: "Run slither static analysis on a Solidity contract.",
+    schema: z.object({
+      solidityFile: z.string().describe("The Solidity source code to analyze."),
+    }),
+  },
+);

src/agents/coder/agent.ts

@@ -0,0 +1,20 @@
+import { END, type GraphNode, START, StateGraph } from "@langchain/langgraph";
+
+import { CoderState } from "./state.ts";
+
+const PLACEHOLDER_CONTRACT = `// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract Placeholder {
+    // TODO: implement contract based on requirements
+}`;
+
+const generateContract: GraphNode<typeof CoderState> = async (_state) => {
+  return { contract: PLACEHOLDER_CONTRACT };
+};
+
+export const coderAgent = new StateGraph(CoderState)
+  .addNode("generateContract", generateContract)
+  .addEdge(START, "generateContract")
+  .addEdge("generateContract", END)
+  .compile();

src/agents/coder/state.ts

@@ -0,0 +1,7 @@
+import { StateSchema } from "@langchain/langgraph";
+import { z } from "zod";
+
+export const CoderState = new StateSchema({
+  requirements: z.array(z.string()).default([]),
+  contract: z.string().default(""),
+});

src/agents/tester/agent.ts

@@ -0,0 +1,13 @@
+import { END, type GraphNode, START, StateGraph } from "@langchain/langgraph";
+
+import { TesterState } from "./state.ts";
+
+const runTests: GraphNode<typeof TesterState> = async (_state) => {
+  return { results: [] };
+};
+
+export const testerAgent = new StateGraph(TesterState)
+  .addNode("runTests", runTests)
+  .addEdge(START, "runTests")
+  .addEdge("runTests", END)
+  .compile();

src/agents/tester/state.ts

@@ -0,0 +1,8 @@
+import { StateSchema } from "@langchain/langgraph";
+import { z } from "zod";
+
+export const TesterState = new StateSchema({
+  solidityFiles: z.array(z.string()).default([]),
+  vulnerability: z.record(z.string(), z.any()).default({}),
+  results: z.array(z.any()).default([]),
+});

src/config/constants.ts

@@ -0,0 +1,5 @@
+const constants = {
+  OPENROUTER_API_KEY: process.env.OPENROUTER_API_KEY || "",
+};
+
+export default constants;

src/index.ts

@@ -1 +1,22 @@
-console.log("TALP 1");
+import "dotenv/config";
+
+import { auditorAgent } from "./agents/auditor/agent.ts";
+import { coderAgent } from "./agents/coder/agent.ts";
+import { testerAgent } from "./agents/tester/agent.ts";
+
+const requirements = ["ERC20 token", "pausable", "ownable"];
+
+const coderResult = await coderAgent.invoke({ requirements });
+console.log("======= Coder =======");
+console.log(coderResult.contract);
+
+const auditorResult = await auditorAgent.invoke({ solidityFile: coderResult.contract });
+console.log("\n======= Auditor =======");
+console.log(auditorResult.vulnerabilities);
+
+const testerResult = await testerAgent.invoke({
+  solidityFiles: [coderResult.contract],
+  vulnerability: auditorResult.vulnerabilities[0] ?? {},
+});
+console.log("\n======= Tester =======");
+console.log(testerResult.results);

tsconfig.json

@@ -6,6 +6,7 @@
   "compilerOptions": {
     "rootDir": "./src",
     "outDir": "./dist",
+    "moduleResolution": "nodenext",
     "module": "nodenext",
     "target": "esnext",
     "types": [