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20 lines
577 B
JavaScript
20 lines
577 B
JavaScript
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const BlockTracker = require('eth-block-tracker')
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/**
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* Creates a block tracker that sends platform events on success and failure
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*/
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module.exports = function createBlockTracker (args, platform) {
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const blockTracker = new BlockTracker(args)
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blockTracker.on('latest', () => {
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if (platform && platform.sendMessage) {
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platform.sendMessage({ action: 'ethereum-ping-success' })
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}
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})
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blockTracker.on('error', () => {
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if (platform && platform.sendMessage) {
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platform.sendMessage({ action: 'ethereum-ping-error' })
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}
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})
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return blockTracker
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}
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