Create a Block

The simplest block you can create is an empty block. You will only need connect your client to a node and then call the Client.block(&self) function.

The following code example will:

1. Create a Client which will connect to the Shimmer Testnet.
2. Build and post an empty block.

Code Example

Rust

Dotenv

This example uses dotenv, which is not safe to use in production environments.

client/examples/block/00_block_no_payload.rs

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See full example on GitHub

Run the Example

Run the example by running the following command:

cargo run --example simple_block --release

Nodejs

Dotenv

This example uses dotenv, which is not safe to use in production environments.

client/bindings/nodejs/examples/06_simple_block.ts

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See full example on GitHub

You can run the example by running the following command from the bindings/node/examples/ folder:

node dist/06_simple_block.js

Python

client/bindings/python/examples/06_simple_block.py

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See full example on GitHub

You can run the example by running the following command from the binding/python/examples folder:

python3 06_simple_block.py

Java

client/bindings/java/examples/src/CreateBlock.java

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See full example on GitHub

Expected Output

Rust

Block {
    protocol_version: 2,
    parents: Parents(
        BoxedSlicePrefix([
            BlockId(0x2f68b25006f0e1b55ada3e9278e69796380971e97587c233d138c593139d255d),
            BlockId(0x76d25ac0073d14381d9a38c61ecb9665241d771bd89564e467c7fdf98e770ddd),
            BlockId(0xd072addb86a5a59a69b17d0e8fc3368771dc5ea7f7c2257045e508ae37f27a46),
            BlockId(0xfea2e90318a1b234569a3d698e97906d2c6a0084eb571971bf9ce9c4d31ee6c9),
        ]),
    ),
    payload: OptionalPayload(
        None,
    ),
    nonce: 4420,
}
Block with no payload sent: https://explorer.shimmer.network/testnet/block/0x9f794dde42c7be9cd209cc992f69e1f8b7b40578303825049079d8ac128aa20f

Nodejs

Block: [
  '0x7531a0983f941e50b1764165d8cf1e205605c269f43796d18e38264ddfce8d06',
  {
    protocolVersion: 2,
    parents: [
      '0x649914f510d1f9e8bb54f3ea0c810f7b591377a36edae8698df8a5be7e080e36',
      '0x76e0ce892ae9b3f0707ea6c068a3ee4faf98ac66e8089773a6ffe3951c6f111a',
      '0x8461d818b5fca64848f475aae434d994592bf0f5648b3ff7470e75437768295d',
      '0x994bcacab8bfc939a201e9ccf5a75eec2d047324a8a905cf1a4c1e09f3e1002a'
    ],
    nonce: '3074457345618276659'
  }
]

Empty block sent: https://explorer.shimmer.network/testnet/block/0x7531a0983f941e50b1764165d8cf1e205605c269f43796d18e38264ddfce8d06

Python

[
  "0xa76b3551777d24fd20a045b2ebae11346c9f7ce76e2351eccb044b8842769250",
  {
    "protocolVersion": 2,
    "parents": [
      "0x485f44a5528b341a179db493fdd19138096f823fc034ba207a9ed85ebee5a109",
      "0x4a77573beb29edfa67ec00ee10577b31fe6a9e50b19ace0c833cfd1166069f7a",
      "0xa8edca4bda2db44e7bd29dd9282eff6011ff73fc1e318ba5950a67387be562da",
      "0xac283aa0ea563f81d7be39d2ae78bbadae838142e6d81280aeae02e96e35f013"
    ],
    "nonce": "12297829382473042444"
  }
]

Java

{
  "type": 3,
  "amount": "1000000",
  "unlockConditions": [
    {
      "type": 0,
      "address": {
        "type": 0,
        "pubKeyHash": "0x7ffec9e1233204d9c6dce6812b1539ee96af691ca2e4d9065daa85907d33e5d3"
      }
    }
  ]
}