eosio-push-guarantee

Push Guarantee
Retry time between push guarantee verification can be set with the DAPP_CLIENT_PUSH_TRANSACTION_SLEEP environment variable, defaults to 10ms.
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const { PushGuarantee } = require("eosio-push-guarantee");
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const { Api, JsonRpc, RpcError } = require('eosjs');
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const { JsSignatureProvider } = require('eosjs/dist/eosjs-jssig');      // development only
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const fetch = require('node-fetch');                                    // node only; not needed in browsers
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const { TextEncoder, TextDecoder } = require('util');                   // node only; native TextEncoder/Decoder
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const defaultPrivateKey = "5JMUyaQ4qw6Zt816B1kWJjgRA5cdEE6PhCb2BW45rU8GBEDa1RC"; // bob
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const signatureProvider = new JsSignatureProvider([defaultPrivateKey]);
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const rpc = new JsonRpc('https://kylin-dsp-2.liquidapps.io', { fetch });
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const api = new Api({ rpc, signatureProvider, textDecoder: new TextDecoder(), textEncoder: new TextEncoder() });
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​
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(async () => {
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    const config = {
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        // pushGuarantee: 'none', // push guarantee level for trx
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        // readRetries: 0, // amount of times to try and verify trx before retrying trx
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        // pushRetries: 3, // amount of times to retry trx before failing
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        // backoff: 500, // time in ms between readRetries
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        // backoffExponent: 1.1 // multiplier backoff time for backoff (if 500ms and 1.1 multiplier then 550ms backoff next time, etc)
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​
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        pushGuarantee: 'in-block', 
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        readRetries: 3,
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​
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        // pushGuarantee: 'handoffs:1', 
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        // readRetries: 10,
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​
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        // pushGuarantee: 'handoffs:2', 
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        // readRetries: 20,
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​
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        // pushGuarantee: 'handoffs:3', 
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        // readRetries: 30,
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        pushGuarantee: 'irreversible', 
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        readRetries: 100,
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    }
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    const push_guarantee_rpc = new PushGuarantee(rpc, config);
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    const account = 'dappservices';
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    const actor = 'vacctstst123';
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    const action = 'transfer';
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    const serializedTrx = await api.transact({
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        actions: [{
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            account,
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            name: action,
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            authorization: [{
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                actor,
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                permission: 'active',
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            }],
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            data: {
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                from: 'vacctstst123',
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                to: 'natdeveloper',
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                quantity: '1.0000 DAPP',
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                memo: ''
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            },
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        }]
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    },  {
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        blocksBehind: 3, // in-block
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        expireSeconds: 30, // in-block
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​
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        // blocksBehind: 3, // handoffs
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        // expireSeconds: 90, // handoffs
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        // expireSeconds: 300, // irreversible
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        // useLastIrreversible: true, // irreversible,
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        broadcast: false 
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    });
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    const response = await (await getClient()).dappNetwork.push_action(rpc, serializedTrx, config);
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    console.dir(result);
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})().catch((e) => { console.log(e); });
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