batchPostHistory

This function uses fetch to hit the POST history endpoint of multiple didery servers. The POST history endpoint saves new key histories. Data posted to the server will be verified against signatures. If any discrepancies are found the operation will fail. This function is asynchronous.

Parameters

batchPostHistory has three required parameters. First is a signature string that will be placed in the required signature header. This string should be of the format:

'signer="AeYbsHot0pmdWAcgTo5sD8iAuSQAfnH5U6wiIGpVNJQQoYKBYrPPxAoIc1i5SHCIDS8KFFgf8i0tDq8XGizaCg==";'

or:

'signer="AeYbsHot0pmdWAcgTo5sD8iAuSQAfnH5U6wiIGpVNJQQoYKBYrPPxAoIc1i5SHCIDS8KFFgf8i0tDq8XGizaCg=="; kind="ed25519"; ...'

Second is an object containing the data to be posted. This data object should be of the format:

{
    "id": DID string,
    "changed": datetime string,
    "signer": integer representing the current key index,
    "signers": [current public key, pre-rotated public key]
}

Third is a urls parameter that takes an array of URL strings.

Return

batchPostHistory returns a promise that when fulfilled returns the servers’ responses to the fetch operations.

Example

const didery = require('didery');

let urls = [
     "http://myDideryServer.com",
     "http://anotherDideryServer.com",
     "http://oneMoreServer.com"
];
let signature = 'signer="AeYbsHot0pmdWAcgTo5sD8iAuSQAfnH5U6wiIGpVNJQQoYKBYrPPxAoIc1i5SHCIDS8KFFgf8i0tDq8XGizaCg==";';
let data = {
     "id": "did:dad:Ymx_0Ri3Lnuun-bvG_cA32v0Go3KMRZ79eQ-AUQK4ms=",
     "changed": "2018-07-04T01:46:56-06:00",
     "signer": 0,
     "signers": [
         "Ymx_0Ri3Lnuun-bvG_cA32v0Go3KMRZ79eQ-AUQK4ms=",
         "8qOLfvSJfuDX2YjKh_BAUwSRD-TnDLhEpn9zP7cwf6Q="
     ]
};
didery.batchPostHistory(signature, data, urls).then(function (response) {
     // Do something with response
}).catch(function (error) {
    console.error(error);
});