blocks.json

{
  "$schema": "https://raw.githubusercontent.com/Blockchains/.github/main/docs/blocks.schema.json",
  "schema_version": "1.0",
  "name": "blockchainlab-tools",
  "repo": "Blockchains/blockchainlab-tools",
  "summary": "26 client-side blockchain developer tools (gas, units, ABI, tx decoder, ENS, storage slots, Merkle, Safe, EIP-712, approvals, MEV, Solana, PSBT...) as static pages with deep links, plus the shared ES-module logic (`assets/core.js`, `assets/core2.js`) usable from Node or the browser.",
  "kind": [
    "web-app",
    "library"
  ],
  "stability": "stable",
  "license": "MIT",
  "homepage": "https://blockchains.github.io/blockchainlab-tools/",
  "entrypoints": [
    {
      "type": "web",
      "name": "tool deep links",
      "ref": "https://blockchains.github.io/blockchainlab-tools/<tool>/",
      "usage": "https://blockchains.github.io/blockchainlab-tools/tx/?chain=base&hash=0x…"
    },
    {
      "type": "file",
      "name": "assets/core.js",
      "ref": "assets/core.js",
      "usage": "git clone + npm install, then import * as C from './assets/core.js'",
      "exports": [
        "convertUnits",
        "selector",
        "topic",
        "encodeCall",
        "decodeCalldata",
        "decodeTx",
        "evmFees",
        "btcFees",
        "solFees",
        "resolveEns",
        "reverseEns",
        "addressInfo",
        "erc20Meta",
        "readSlot",
        "mappingSlot",
        "erc7201Slot",
        "merkleStandard",
        "merkleSimple",
        "hashes",
        "dataset",
        "CHAINS"
      ]
    },
    {
      "type": "file",
      "name": "assets/core2.js",
      "ref": "assets/core2.js",
      "exports": [
        "multicall",
        "safeTxHash",
        "safeInfo",
        "decodeSafeCalldata",
        "typedDataHash",
        "recoverTypedData",
        "erc1271",
        "calldataDiff",
        "verification",
        "gasHistory",
        "bridgeQuotes",
        "approvals",
        "ensBulk",
        "decodeSolTx",
        "decodePSBT",
        "addressLabels",
        "priceImpact",
        "sandwichCheck",
        "stablecoins",
        "rpcHealth",
        "create2Address"
      ]
    }
  ],
  "inputs": [
    {
      "name": "query params",
      "type": "URL",
      "description": "chain, hash, address/q, data, v/u depending on the tool"
    },
    {
      "name": "function args",
      "type": "JS",
      "description": "addresses, hashes, calldata, chain keys"
    }
  ],
  "outputs": [
    {
      "name": "rendered tool page",
      "type": "HTML"
    },
    {
      "name": "JS results",
      "type": "objects",
      "description": "decoded calls, fees in wei/USD, slots, hashes"
    }
  ],
  "deps": [
    "browser (ES modules + import map)",
    "node>=18 with ethers 6.13.4 and @openzeppelin/merkle-tree for Node use"
  ],
  "compatible_with": [
    {
      "repo": "Blockchains/blockchainlab-mcp",
      "how": "the MCP server wraps the same logic as agent tools"
    },
    {
      "repo": "Blockchains/blockchainlab-lens",
      "how": "the extension opens these pages for explorer tx/address URLs"
    },
    {
      "repo": "Blockchains/blockchainlab-api",
      "how": "chains and EIP/ERC/BIP reference data"
    },
    {
      "repo": "Blockchains/blockchain-dev-roadmap",
      "how": "roadmap stages link to the tools"
    },
    {
      "repo": "Blockchains/blockchains.github.io",
      "how": "listed on the hub"
    }
  ],
  "tests": {
    "command": "npm install && npm test",
    "ci": ".github/workflows/live-tests.yml",
    "network": true
  },
  "docs": {
    "readme": "README.md",
    "agents": "AGENTS.md",
    "llms": "llms.txt"
  }
}