Rosetta staking

Intermediate

Rosetta

Tutorial

Overview

This guide will walk you through the process of creating a neuron using the Internet Computer implementation of the Rosetta API. You will transfer funds to the governance canister, create a neuron, and configure the newly created neuron.

From the Internet Computer point of view, creating a neuron is a multi-step operation that includes the following actions:

• Make a call to the ledger canister to transfer tokens to the governance canister for staking purposes.
• Notify the governance about the transfer. At this step, the governance canister allocates a new neuron.
• Configure the newly created neuron: set a dissolve delay and start dissolving.

Rosetta API represents these steps as operations of a transaction. The execution of those operations must follow the Construction API flow.

Prerequisites

You’ll need the following to complete this guide:

• A running Rosetta node: you can use the latest docker image from https://hub.docker.com/r/dfinity/rosetta-api. This guide assumes that the Rosetta node runs on address localhost:8080.

• curl.

• An ed25519 key and your favorite tools to sign messages using that key.

• At least 2 ICP on the ledger account controlled by your key (see Compute the ledger account for staking section).

Deriving account identifiers

Staking requires transferring tokens to a sub-account of the governance canister. To complete the transfer, you need to know both your ledger account identifier (source of the transfer) and the account identifier of the governance sub-account (destination of the transfer).

Call the /construction/derive endpoint to get the default ledger account controlled by your public key and the account of the neuron controlled by that key.

Compute the source ledger account

replace hex_bytes in the request below with bytes of your public key.

curl -0 -X POST http://localhost:8080/construction/derive \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "public_key": {
    "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
    "curve_type": "edwards25519"
  }
}
EOF

The expected response should look like the following:

{
  "account_identifier": {
    "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
  }
}

Compute the ledger account for staking

replace hex_bytes in the request below with bytes of your public key.

curl -0 -X POST http://localhost:8080/construction/derive \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "public_key": {
    "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
    "curve_type": "edwards25519"
  },
  "metadata": {
    "account_type": "neuron",
    "neuron_index": 0
  }
}

Set account_type to neuron in the request metadata to tell the Rosetta node that you want to get the account for staking. The neuron_index parameter is an arbitrary 64-bit unsigned integer that the caller chooses to identify the neuron. A single user can control multiple neurons and differentiate them by specifying different values of neuron_index. neuron_index is optional and is equal to 0 by default.

The response should look like the following:

{
  "account_identifier": {
    "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
  }
}

Obtain payloads to sign

Important considerations:

• Replace address fields below with addresses you got on the previous steps. Only the second TRANSACTION operation (with index 1 in the snippet below) should use the ledger address of the neuron. All other operations should use the ledger address of the controller of the neuron.

• The amount in the TRANSACTION operation is the amount you stake. In this example, the amount is 1 ICP.

• Adjust the dissolve_time_utc_seconds metadata field of the SET_DISSOLVE_TIMESTAMP operation. The current timestamp plus 31,557,600 seconds corresponds to a one-year stake.

• All neuron management operations support the optional neuron_index metadata field. You should use the same value of neuron_index that you specified at the Compute the ledger account for staking step.

curl -0 -X POST http://localhost:8080/construction/payloads \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "operations": [
    {
      "operation_identifier": { "index": 0 },
      "type": "TRANSACTION",
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-100000000",
        "currency": { "symbol": "ICP", "decimals": 8 }
      }
    },
    {
      "operation_identifier": { "index": 1 },
      "type": "TRANSACTION",
      "account": {
        "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
      },
      "amount": {
        "value": "100000000",
        "currency": { "symbol": "ICP", "decimals": 8 }
      }
    },
    {
      "operation_identifier": { "index": 2 },
      "type": "FEE",
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-10000",
        "currency": { "symbol": "ICP", "decimals": 8 }
      }
    },
    {
      "operation_identifier": { "index": 3 },
      "type": "STAKE",
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    },
    {
      "operation_identifier": { "index": 4 },
      "type": "SET_DISSOLVE_TIMESTAMP",
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0,
        "dissolve_time_utc_seconds": 1879939507
      }
    },
    {
      "operation_identifier": { "index": 5 },
      "type": "START_DISSOLVING",
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    }
  ],
  "public_keys": [
    {
      "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
      "curve_type": "edwards25519"
    }
  ]
}
EOF

The response should look like the following:

{
  "unsigned_transaction": "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",
  "payloads": [
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d72657175657374e5f2ad1ffc1c7136c7dc59a183b9dc85af38c620d46492676eb016bb2c7b9a56",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d726571756573742eae2f191b885b6ed7238b2e67001569ce1f789873ebf312e84a8e5dbc9a38d0",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d72657175657374788935ee98703620ec63813b2036daa46989ead54a6b940264d44a9fc0241fae",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d7265717565737463166a6d97d170f9a4a49c779cc032b376b441bbb56346730ec92e3033eebe9f",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d726571756573743652695a86832a2bb361f3ba21418f461ca5f604c2d43b47d05eeb5ba77f114f",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d72657175657374f80fa04953de2944d8d8a0c1ec24fd43008f9636ccb2eaa3e4163145a4071e60",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d72657175657374f79dc941816eb5744a48e0ba6ed493442c4089ac5430de5b3e11d925db436a20",
      "signature_type": "ed25519"
    },
    {
      "account_identifier": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "hex_bytes": "0a69632d726571756573748a67e5347e053335269988ff1a00b19b426ea389ad1b9f17e38a698b21f9884a",
      "signature_type": "ed25519"
    }
  ]
}

The payloads field of the response contains the list of payloads that need to be signed before the transaction can be submitted.

According to the Rosetta API specification (Flow of Operations), the client should call /construction/preprocess and /construction/metadata before calling /construction/payloads because there might be some metadata that needs to be attached to the payloads request. Currently, there is no need to do it for the ICP Rosetta node implementation, so these unnecessary steps were skipped.

Check the contents of the transaction you’re about to sign

Call /construction/parse endpoint to decode the contents of a transaction.

Replace the value of the transaction field below with the value of the unsigned_transaction field that you got from the previous step. Note that the signed field is set to false.

curl -0 -X POST http://localhost:8080/construction/parse \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "signed": false,
  "transaction": "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"
}
EOF

The response must match the transaction intent.

{
  "operations": [
    {
      "operation_identifier": {"index": 0},
      "type": "TRANSACTION",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-100000000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 1},
      "type": "TRANSACTION",
      "status": null,
      "account": {
        "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
      },
      "amount": {
        "value": "100000000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 2},
      "type": "FEE",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-10000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 3},
      "type": "STAKE",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    },
    {
      "operation_identifier": {"index": 4},
      "type": "SET_DISSOLVE_TIMESTAMP",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "dissolve_time_utc_seconds": 1879939507,
        "neuron_index": 0
      }
    },
    {
      "operation_identifier": {"index": 5},
      "type": "START_DISSOLVING",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    }
  ],
  "account_identifier_signers": []
}

Sign payloads and construct a signed transaction

Sign the payloads from the /construction/payloads response using the tool of your choice. Include the signatures into a /construction/combine request as demonstrated in the command below.

curl -0 -X POST http://localhost:8080/construction/combine \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "signatures": [
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d72657175657374e5f2ad1ffc1c7136c7dc59a183b9dc85af38c620d46492676eb016bb2c7b9a56",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "5a5297f7555df2d98bd945ecff7afb11456164621da2439f665900abaaa17655e2e4801284c458639fc0e648037cc70116bfafe0315338897f63f9c3bb8b150b"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d726571756573742eae2f191b885b6ed7238b2e67001569ce1f789873ebf312e84a8e5dbc9a38d0",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "ab973292cdcbe1c3f54d07a7a822d3c48616abfd9067987e105d8901d0ab946a4b2b6ea038a28e4c8af66e4aecaf503909d67c8dd4153625a5dd121ea45fa301"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d72657175657374788935ee98703620ec63813b2036daa46989ead54a6b940264d44a9fc0241fae",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "adc30181799a4474ad03c3a909dcd1d8ee08fe9d23f74314a031ebeb69a340a87680d9549ed6632956130d9e62ee3fa487402c7ab1dd3497aeaf83d36bedec05"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d7265717565737463166a6d97d170f9a4a49c779cc032b376b441bbb56346730ec92e3033eebe9f",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "e5a4c7bdd8a17e6581f05c25d9532fd322ea18b1fdd03b06ea40f886c50a74e6adfa530dc9a5a6a0754535004eaa4cf2dbf3fab9684e0d495f3b4eb4ff449b0e"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d726571756573743652695a86832a2bb361f3ba21418f461ca5f604c2d43b47d05eeb5ba77f114f",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "e2ada2cf653ebbba2a93d1b013415c5102881ae6a5c58e9abf8683a33aa624e404d2958e1b47e0e98f9e37092221fd816fc13b965ca98fc1e61c4653a279640f"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d72657175657374f80fa04953de2944d8d8a0c1ec24fd43008f9636ccb2eaa3e4163145a4071e60",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "0dc0bce4b86c0fd6a1b21ddaa5380b432a637bc5084c1b77356188308618bd9f97513ae5d351a2067c6e8ae8ce7f022ded21f21c3aaaf030a2f47040df1db90b"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d72657175657374f79dc941816eb5744a48e0ba6ed493442c4089ac5430de5b3e11d925db436a20",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "fb216f00ff6540e9759e8b6095487a7ea258f4d3fa459f30bb58816932082a14df78c22924941ff3a1897bf3dc468ceefe0e83d94580cdd2ec21ba3a51380e05"
    },
    {
      "signing_payload": {
        "account_identifier": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "hex_bytes": "0a69632d726571756573748a67e5347e053335269988ff1a00b19b426ea389ad1b9f17e38a698b21f9884a",
        "signature_type": "ed25519"
      },
      "public_key": {
        "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
        "curve_type": "edwards25519"
      },
      "signature_type": "ed25519",
      "hex_bytes": "b120ab9da353f23cbc854f09df28e8a59a9227a4e9d615dbe102ea0f7f6991a34f109accd03d9c8ac3e30ecf2f22fdcea2019424c851bd8a3d68bcd2dba6fc00"
    }
  ],
  "unsigned_transaction": "a2677570646174657384826b5452414e53414354494f4ea56b63616e69737465725f69644a000000000000000201016b6d6574686f645f6e616d656773656e645f706263617267584b0a0b089a8fa881d7d8b4b0c50112070a050880c2d72f1a0308904e2a220a2092bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc63a0a08a8edf6e0fd928cdf166673656e646572581d48c5a6e93d9a3d10c4ba3c7927c97c18df4b0fcdac3a38ad3f08106e026e696e67726573735f6578706972790082a1655354414b45a1716e6575726f6e5f6964656e74696669657200a66b63616e69737465725f69644a000000000000000101016b6d6574686f645f6e616d657824636c61696d5f6f725f726566726573685f6e6575726f6e5f66726f6d5f6163636f756e7463617267581f4449444c026c029cb1fa2501ba89e5c204786e6801000000000000000000006673656e646572581d48c5a6e93d9a3d10c4ba3c7927c97c18df4b0fcdac3a38ad3f08106e026e696e67726573735f65787069727900656e6f6e63654f4449444c000178000000000000000082a1765345545f444953534f4c56455f54494d455354414d50a1716e6575726f6e5f6964656e74696669657200a66b63616e69737465725f69644a000000000000000101016b6d6574686f645f6e616d656d6d616e6167655f6e6575726f6e636172675902bc4449444c3a6c03dbb70101cbe2b58b0803f1bb8b880d386e026c01dbb701786e046b0a9b9cd0a40105bab5f1a40107918bacf10208fc9fc683050ac6b3bb91060f8db2d592091691b2fab80a17e0f8fffd0b1889b8b3b30e34a3f3c0ad0f356c01dbe2be9509066e686c01b9ef938008786c02afa3bda10175c2cee0d80c096d026c01d7ab010b6e0c6b039ef5cc0f0d9992ccd0010edae1c99903786c006c029cb1fa2506ba89e5c204786c01a78882820a106e116b0796a7f71512f381d4ab0213b09b9ba4070dd0fb87af070d90f29afe0714e4ac938d0c0dc3a2f6c90e156c01f6b0989a08066c018eddc3a60d066c018dc3b2b303796c01c88ecad50a786c02ea99cff20475b2b8d4960b016c05f5bbe3900178d2bbf0d9017eb9ef93800878dbe2be950906ef9999fe09786c04efd6e4027198abec810119b6f798b2011aa696a48708716e716e1b6b09d881c9c40300d69ce79d0a1c82ffcfaa0c1ee3c3c5990e27b1a5aea10e2bf5d9d7a50e2dfad5ddf40e2edb9cebf70e30d6f4c7ff0f336c02e4d7bee905758effd6e90e1d6d7b6c03ce9ca6ce011ff382ccb30723b9ef938008786e206c02dbb701069df1afe707216e226c01cedfa0a8041d6e246b02fdf59aec0b25e3b586ff0c266c01f5bbe39001786c01a9ddf49b07216c0184aead33286d296c020075012a6c01c2cee0d80c096c01a4ccf7dd0a2c6d1e6c089eb493cf0378befa8dd40479be8fe6e30478ce89be97067886f998bc0978c5cae3d40a7893a190e00c78f5e1d0e70d786c018594e2c50b2f6d686c01f0a2cabb0b316e326b02bf80e42b20c6a6e4b90a206c0196bdb4e904716c01b99d9da50b796c02a9ddf49b0721d8a38ca80d366e376c01e0a9b302786e396b02cd8e8eb9041dcebee1d3080201000001040106b3990d70000000000100201c76a1738350f93180d6b6f170b573d0862d574d5a69ae3c0aeb74315494b3ca6673656e646572581d48c5a6e93d9a3d10c4ba3c7927c97c18df4b0fcdac3a38ad3f08106e026e696e67726573735f65787069727900656e6f6e63654f4449444c000178000000000000000082a16e53544152545f444953534f4c5645a1716e6575726f6e5f6964656e74696669657200a66b63616e69737465725f69644a000000000000000101016b6d6574686f645f6e616d656d6d616e6167655f6e6575726f6e636172675902b44449444c3a6c03dbb70101cbe2b58b0803f1bb8b880d386e026c01dbb701786e046b0a9b9cd0a40105bab5f1a40107918bacf10208fc9fc683050ac6b3bb91060f8db2d592091691b2fab80a17e0f8fffd0b1889b8b3b30e34a3f3c0ad0f356c01dbe2be9509066e686c01b9ef938008786c02afa3bda10175c2cee0d80c096d026c01d7ab010b6e0c6b039ef5cc0f0d9992ccd0010edae1c99903786c006c029cb1fa2506ba89e5c204786c01a78882820a106e116b0796a7f71512f381d4ab0213b09b9ba4070dd0fb87af070d90f29afe0714e4ac938d0c0dc3a2f6c90e156c01f6b0989a08066c018eddc3a60d066c018dc3b2b303796c01c88ecad50a786c02ea99cff20475b2b8d4960b016c05f5bbe3900178d2bbf0d9017eb9ef93800878dbe2be950906ef9999fe09786c04efd6e4027198abec810119b6f798b2011aa696a48708716e716e1b6b09d881c9c40300d69ce79d0a1c82ffcfaa0c1ee3c3c5990e27b1a5aea10e2bf5d9d7a50e2dfad5ddf40e2edb9cebf70e30d6f4c7ff0f336c02e4d7bee905758effd6e90e1d6d7b6c03ce9ca6ce011ff382ccb30723b9ef938008786e206c02dbb701069df1afe707216e226c01cedfa0a8041d6e246b02fdf59aec0b25e3b586ff0c266c01f5bbe39001786c01a9ddf49b07216c0184aead33286d296c020075012a6c01c2cee0d80c096c01a4ccf7dd0a2c6d1e6c089eb493cf0378befa8dd40479be8fe6e30478ce89be97067886f998bc0978c5cae3d40a7893a190e00c78f5e1d0e70d786c018594e2c50b2f6d686c01f0a2cabb0b316e326b02bf80e42b20c6a6e4b90a206c0196bdb4e904716c01b99d9da50b796c02a9ddf49b0721d8a38ca80d366e376c01e0a9b302786e396b02cd8e8eb9041dcebee1d30802010000010401030100201c76a1738350f93180d6b6f170b573d0862d574d5a69ae3c0aeb74315494b3ca6673656e646572581d48c5a6e93d9a3d10c4ba3c7927c97c18df4b0fcdac3a38ad3f08106e026e696e67726573735f65787069727900656e6f6e63654f4449444c000178000000000000000070696e67726573735f6578706972696573811b16be30cfbd3b16a8"
}
EOF

The response should look like the following:

{
  "signed_transaction": "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}

Check the contents of the transaction you’re about to submit

Call /construction/parse endpoint to decode the contents of a transaction.

Replace the value of the transaction field below with the value of the signed_transaction field that you got from the previous step. Note that the signed field is set to true.

curl -0 -X POST http://localhost:8080/construction/parse \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "signed": true,
  "transaction": 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}
EOF

The response must match the transaction intent.

{
  "operations": [
    {
      "operation_identifier": {"index": 0},
      "type": "TRANSACTION",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-100000000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 1},
      "type": "TRANSACTION",
      "status": null,
      "account": {
        "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
      },
      "amount": {
        "value": "100000000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 2},
      "type": "FEE",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "amount": {
        "value": "-10000",
        "currency": {"symbol": "ICP", "decimals": 8}
      }
    },
    {
      "operation_identifier": {"index": 3},
      "type": "STAKE",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    },
    {
      "operation_identifier": {"index": 4},
      "type": "SET_DISSOLVE_TIMESTAMP",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "dissolve_time_utc_seconds": 1879939507,
        "neuron_index": 0
      }
    },
    {
      "operation_identifier": {"index": 5},
      "type": "START_DISSOLVING",
      "status": null,
      "account": {
        "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
      },
      "metadata": {
        "neuron_index": 0
      }
    }
  ],
  "account_identifier_signers": [
    {
      "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
    }
  ]
}

Submit the transaction

Call /construction/submit endpoint to submit a signed transaction. Replace the signed_transaction field in the request below with the value of the signed_transaction field you got from the /construction/combine endpoint.

curl -0 -X POST http://localhost:8080/construction/submit \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "signed_transaction": 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}
EOF

The response should look like the following:

{
  "transaction_identifier": {
    "hash": "aa0de8d73d930e49f6e3fd4db66cb34360710ee57b9aef5ef66e2c1cb0513b65"
  },
  "metadata": {
    "operations": [
      {
        "operation_identifier": { "index": 0 },
        "status": "COMPLETED",
        "type": "TRANSACTION",
        "account": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "amount": {
          "value": "-100000000",
          "currency": { "symbol": "ICP", "decimals": 8 }
        }
      },
      {
        "operation_identifier": { "index": 1 },
        "status": "COMPLETED",
        "type": "TRANSACTION",
        "account": {
          "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
        },
        "amount": {
          "value": "100000000",
          "currency": { "symbol": "ICP", "decimals": 8 }
        }
      },
      {
        "operation_identifier": { "index": 2 },
        "status": "COMPLETED",
        "type": "FEE",
        "account": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "amount": {
          "value": "-10000",
          "currency": { "symbol": "ICP", "decimals": 8 }
        }
      },
      {
        "operation_identifier": { "index": 3 },
        "status": "COMPLETED",
        "type": "STAKE",
        "account": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "metadata": {
          "neuron_index": 0,
          "neuron_id": 8654960738044813476
        }
      },
      {
        "operation_identifier": { "index": 4 },
        "status": "COMPLETED",
        "type": "SET_DISSOLVE_TIMESTAMP",
        "account": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "metadata": {
          "neuron_index": 0,
          "dissolve_time_utc_seconds": 1879939507
        }
      },
      {
        "operation_identifier": { "index": 5 },
        "status": "COMPLETED",
        "type": "START_DISSOLVING",
        "account": {
          "address": "8af54f1fa09faeca18d294e0787346264f9f1d6189ed20ff14f029a160b787e8"
        },
        "metadata": {
          "neuron_index": 0
        }
      }
    ]
  }
}

• Neuron management operations don’t strictly adhere to the Rosetta specification. If you look up the transaction above by hash using the /block/transaction endpoint, it will only contain the ledger transfer. Furthermore, if the transaction only contains the neuron management operations, the returned transaction hash won’t be on the ledger chain at all. That’s why the response metadata field includes statuses of all the operations in the same format /block/transaction would return them.

• The STAKE operation returns the unique identifier of the neuron that the Governance smart contract created. You can use this identifier to find the neuron in the NNS dapp or on https://ic.rocks.

Check the status of the neuron

Let us now check the status of the newly created neuron.

• Replace address fields below with addresses of the neuron that you got at step Compute the ledger account for staking.

• Replace public_key.hex_bytes with the hex of your public key.

curl -0 -X POST http://localhost:8080/account/balance \
  -H 'Content-Type: application/json; charset=utf-8' \
  --data-binary @- <<EOF
{
  "network_identifier": { "blockchain": "Internet Computer", "network": "00000000000000020101" },
  "account_identifier": {
    "address": "92bfc8dd46076c46de4444f15afbb8f7a5050af240384a8a2d115b359f100fc6"
  },
  "metadata": {
    "account_type": "neuron",
    "neuron_index": 0,
    "public_key": {
      "hex_bytes": "ba5242d02642aede88a5f9fe82482a9fd0b6dc25f38c729253116c6865384a9d",
      "curve_type": "edwards25519"
    }
  }
}
EOF

The response should look like the following:

{
  "block_identifier": {
    "index": 1157,
    "hash": "04012aff1447b92589ccafab3c45243db4aa4b7c36c93fc5d22a7cac15ce7797"
  },
  "balances": [
    {
      "value": "100000000",
      "currency": { "symbol": "ICP", "decimals": 8 }
    }
  ],
  "metadata": {
    "verified_query": false,
    "retrieved_at_timestamp_seconds": 1640273314,
    "state": "DISSOLVING",
    "age_seconds": 0,
    "dissolve_delay_seconds": 239666197,
    "voting_power": 779728174,
    "created_timestamp_seconds": 1638799843
  }
}