index 0
appId 4
textToHexString("guardian");
guardianAddr CLAOUBJPZ5WNLM7ZU237TCOV2WODAGNUX3536PZ3JSWMBN7M46UADLN3GY

('CLAOUBJPZ5WNLM7ZU237TCOV2WODAGNUX3536PZ3JSWMBN7M46UADLN3GY',
 '01befa429d57cd18b7f8a4d91a2da9ab4af05d0fbe00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000677561726469616e')

illness illegal arrive clip fork palm skull south impose verify toss ocean shrug vital swift similar depend margin climb uniform risk pizza canal absorb forward

# Locally in your project.
npm install -D typescript
npm install -D ts-node

# Or globally with TypeScript.
npm install -g typescript
npm install -g ts-node

# Depending on configuration, you may also need these
npm install -D tslib @types/node

go to .../ethereum/
npm ci
go to ..../sdk/js
npm ci; npm run build

Then, in a new window, you can run
  tsc -p tsconfig-cjs.json --watch
which will track updates

ts-node foo2.ts


https://github.com/barnjamin/sdk-extras/blob/master/py/block_fetcher.py

package main

import (
        "context"
        "strings"

        "github.com/algorand/go-algorand/rpcs"
        "github.com/algorand/indexer/fetcher"
        "github.com/sirupsen/logrus"
)

var log = logrus.New()

func main() {
        f, err := fetcher.ForNetAndToken("http://localhost:4001", strings.Repeat("a", 64), log)
        if err != nil {
                log.Fatalf("Failed to create fetcher: %+v", err)
        }

        f.SetBlockHandler(handler)

        f.Run(context.Background())
}

func handler(ctx context.Context, cert *rpcs.EncodedBlockCert) error {
        for _, stxn := range cert.Block.Payset {
                log.Printf("%+v", stxn.SignedTxn.Txn.Type)
        }
        return nil
}