Custom connector

Initializing with a custom connector
Initialize the library using an a custom connector object is useful when the developer does not have the private key of the account but to a library that handles it. 
Javascript & Node
const defire = Defire({
  connector: myCustomConnector, 
  address: "0x41186AE17A2a11B7259D8c60b40AFd0256b9DdC7"
}, { network: 'rinkeby' });
 Method parameters
mainAccount required object  :
connector required Connector object  (Ethereum API custom object)
address required string  (Ethereum address of the main account to use)
Params to load the main account from a private key
options optional object
Configuration options for Defire Platform.
Connector object 
Field / Method
Description
send(params) =>  object
Method to submit JSON-RPC request. Returns response object.
sign(string) => { v, r, s}
Method to sign. Returns signature.
Example:
Node
const ethUtils = require("ethereumjs-utils");
​
//Main account
const address = "0x41186AE17A2a11B7259D8c60b40AFd0256b9DdC7"; 
const pk = "4759582d5d163f2c269575b62d11abd99403166b036e7f828a2b3afcaa67d6a8";
//Provider URL
const provider = "https://rinkeby.infura.io/v3/16a004343234ffb464f22567147";
//Custom connector
const myCustomConnector = {
  sign: async (msgHash) => {
    const msgBuff = Buffer.from(ethUtils.stripHexPrefix(msgHash), "hex");
    const sig = ethUtils.ecsign(
      msgBuff,
      Buffer.from(pk, "hex")
    );
    return sig;
  },
​
  send: async (params) => {
    let response = await fetch(provider, {
      method: "POST",
      body: JSON.stringify(params),
      headers: {
        Accept: "application/json",
        "Content-Type": "application/json",
      },
    });
    let data = await response.json();
    if (data.error) {
      throw data.error.message;
    }
    return data.result;
  },
};
​
const defire = Defire({
  connector: myCustomConnector,
  address: address
}, { network: 'rinkeby' });

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Last modified 2yr ago

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Initializing with a custom connector

Example: