RE: Steem-lib, Intro.

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RE: Steem-lib, Intro.

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noisy (67)in #steem-lib • 8 years ago (edited)

how those settings with multiple servers works? Can I set up a threshold after which request will be made to next server as fallback?

PS. Upvoted, Resteemed on Steemit and Stared on Github :)

PS.2. I've just noticed, that you also published guide to this library - to not miss next ones, I also following you now :)

8 years ago in #steem-lib by noisy (67)

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ripplerm (62) 8 years ago

by default, the client will only sent the API calls to one of the connected servers, and it won't fallback to next servers should any error occur.

However, there's a workaround to force an API request to be submitted to all servers.

To use this, you have to call the method in the form of taking arguments as an options-object (as explained in the Guide), and pass in a validating function as 'broadcast' property. The client will sent the APi calls to all servers simultaneously, and callback as soon as it saw a response that pass the validating function... if all failed then the callback will be called with last-received-result.

Example:

var validator =  function (res) {
    // check if it's a valid block
    if (res && res.previous) return true;
    return false;
}

remote.get_block_with({
    blockNum: 960123,
    broadcast: validator,
}, function(err, res) {
    console.log(err, res)
})

$5.92

2 votes

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fyrstikken (75) 8 years ago

thank you for advertising this post @noisy - be happy to upvote @ripplerm over these libraries.
Let me introduce you to http://steemspeak.com where information travels faster, @ripplerm. :)

$0.05

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RE: Steem-lib, Intro.

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