oak-server-post-rpc.ts

oak-server-post-rpc.ts

router.post(`/${config.rpcpath}`, async (context: Context) => { 
  const body = context.request.body()
  let responseBody: any
  if (body.type === 'json') {
    let value = await body.value
    let id = value?.id
    let method = value?.method
    if (!(method in handlers)) {
      const message = `Method not found`
      responseBody = { error: { message, code: -32601 }, jsonrpc: '2.0', id }
    } else {
      try {
        let fn = handlers[method]
        let params = value?.params ? value.params : []
        const paramStr = params ? params.join(',') : ''
        console.log(`rpc-run await ${method}(${paramStr})`)
        const result = await fn(...params)
        responseBody = { result, jsonrpc: '2.0', id }
      } catch (e) {
        responseBody = {
          error: { message: `${e}`, code: -32603 },
          jsonrpc: '2.0',
          id
        }
      }
    }
  } else {
    responseBody = {
      error: { message: 'Parse error', code: -32700 },
      jsonrpc: '2.0'
    }
  }
  context.response.body = responseBody
})