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