rust 智能合约样板

准备工作

1. 安装 rust 环境，包括 rustup, cargo, rustc https://www.rust-lang.org/tools/install
2. 安装 wasm-pack https://rustwasm.github.io/wasm-pack/installer/
3. npm install

编译运行

1. 编译

wasm-pack build --target  web --no-typescript 

2. 运行

# 手动构造 abi
vim ./pkg/hello_wasm_bg.abi.json

填充如下内容

[
  {
    "name": "init",
    "type": "function",
    "inputs": [
      {
        "name": "a",
        "type": "string"
      },
      {
        "name": "b",
        "type": "string"
      }
    ],
    "outputs": [
      {
        "type": "string"
      }
    ]
  },
  {
    "name": "echo0",
    "type": "function",
    "inputs": [
      {
        "type": "bytes"
      }
    ],
    "outputs": [
      {
        "type": "bytes"
      }
    ]
  },
  {
    "name": "echo1",
    "type": "function",
    "inputs": [
      {
        "type": "address"
      }
    ],
    "outputs": [
      {
        "type": "address"
      }
    ]
  },
  {
    "name": "echo2",
    "type": "function",
    "inputs": [
      {
        "type": "u256"
      }
    ],
    "outputs": [
      {
        "type": "u256"
      }
    ]
  },
  {
    "name": "balance",
    "type": "function",
    "inputs": [
      {
        "type": "address"
      }
    ],
    "outputs": [
      {
        "type": "u256"
      }
    ]
  }
]

light-server -s .

打开 localhost:4000/tests/index.html