@chaintelligence/node-red-contrib-tezos v0.2.5

node-red nodes for Tezos

Tezos is an open-source blockchain for assets and applications that can evolve by upgrading itself. Stakeholders govern upgrades to the core protocol, including upgrades to the amendment process itself.

This package provides the following node-red nodes to interact with the Tezos blockchain:

• transfer
• originate
• call-contract
• generate-keys
• get-contrat
• confirm

The RPC provider is set in the configuration panel of the nodes.

transfer

Transfers Tezis from an account to another.

This node may be paramterized by the following payload JSON object:

{
    "secret": "... sender's private key ...",
    "destination": "tz1... receiver address...",
    "amount": ... number of tezis ...
}

If success, the node returns the following payload:

{
    "res": true,
    "op": { ... operation object ... }
}

If fail:

{
    "res": false
}

originate

Originates a smart contract.

This node may be paramterized by the following payload JSON object:

{
    "secret": "... originator's private key ...",
    "code": [ ... Michelin code of contract ... ],
    "storage": { ... Michelin code of contract  storage ... }
}

The Michelin code may be obtained from Tezos client's originate command in dry and verbose mode.

If success, the node returns the following payload:

{
    "res": true,
    "op": { ... operation object ... }
}

If fail:

{
    "res": false
}

call-contract

Calls a smart contract's entry point.

This node may be paramterized by the following payload JSON object:

{
    "secret": "... originator's private key ...",
    "addr": "KT1... address of the smart contract ... ",
    "entry": "... name of the entry point ...",
    "args": [ ... list of arguments ... ],
    "amount" : ... number of tezis to transfer ...
}

For example, say the contract has an exec entry point which takes a string and an integer as argments; the following is an example value of the args entry:

{
    "args" : [ "this is a string", 1 ]
}

The order in which arguments are passed may be derived for example from the "interact" panel of you.better-call.dev

If success, the node returns the following payload:

{
    "res": true,
    "op": { ... operation object ... }
}

If fail:

{
    "res": false
}

generate-keys

Generates keys for a new account.

If no menomic is provided, the node generates a random one.

It generates the following payload structure:

{
    "mnemonic" : [... list of mnemonic words ...],
    "publicKeyHash": "...",
    "publicKey": "...",
    "privateKey": "..."
}

get-contract

Set msg.payload to be the POJO version of the storage of a smart contract.

This node does not currently work for big maps.

confirm

Confirms an operation.

Operations object are currently too big for node-red to be passed from one node to the other ...

All nodes except generate-keys use the Taquito library.

The generate-key node uses the Conseiljs library.

Nodes developped by

a service by edukera.